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tempfork/x509: moved to tailscale/go's crypto/x509 instead

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reviewable/pr331/r1
Brad Fitzpatrick 5 years ago
parent 172d72a060
commit 58e83d8f66
35 changed files with 0 additions and 18616 deletions
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227
tempfork/x509/cert_pool.go
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"crypto/sha256"
"encoding/pem"
"errors"
"runtime"
"sync"
)
type sum224 [sha256.Size224]byte
// CertPool is a set of certificates.
type CertPool struct {
bySubjectKeyId map[string][]int // cert.SubjectKeyId => getCert index(es)
byName map[string][]int // cert.RawSubject => getCert index(es)
// haveSum maps from sum224(cert.Raw) to true. It's used only
// for AddCert duplicate detection, to avoid CertPool.contains
// calls in the AddCert path (because the contains method can
// call getCert and otherwise negate savings from lazy getCert
// funcs).
haveSum map[sum224]bool
// getCert contains funcs that return the certificates.
getCert []func() (*Certificate, error)
// rawSubjects is each cert's RawSubject field.
// Its indexes correspond to the getCert indexes.
rawSubjects [][]byte
}
// NewCertPool returns a new, empty CertPool.
func NewCertPool() *CertPool {
return &CertPool{
bySubjectKeyId: make(map[string][]int),
byName: make(map[string][]int),
haveSum: make(map[sum224]bool),
}
}
// len returns the number of certs in the set.
// A nil set is a valid empty set.
func (s *CertPool) len() int {
if s == nil {
return 0
}
return len(s.getCert)
}
// cert returns cert index n in s.
func (s *CertPool) cert(n int) (*Certificate, error) {
return s.getCert[n]()
}
func (s *CertPool) copy() *CertPool {
p := &CertPool{
bySubjectKeyId: make(map[string][]int, len(s.bySubjectKeyId)),
byName: make(map[string][]int, len(s.byName)),
haveSum: make(map[sum224]bool, len(s.haveSum)),
getCert: make([]func() (*Certificate, error), len(s.getCert)),
rawSubjects: make([][]byte, len(s.rawSubjects)),
}
for k, v := range s.bySubjectKeyId {
indexes := make([]int, len(v))
copy(indexes, v)
p.bySubjectKeyId[k] = indexes
}
for k, v := range s.byName {
indexes := make([]int, len(v))
copy(indexes, v)
p.byName[k] = indexes
}
for k := range s.haveSum {
p.haveSum[k] = true
}
copy(p.getCert, s.getCert)
copy(p.rawSubjects, s.rawSubjects)
return p
}
// SystemCertPool returns a copy of the system cert pool.
//
// Any mutations to the returned pool are not written to disk and do
// not affect any other pool returned by SystemCertPool.
//
// New changes in the system cert pool might not be reflected
// in subsequent calls.
func SystemCertPool() (*CertPool, error) {
if runtime.GOOS == "windows" {
// Issue 16736, 18609:
return nil, errors.New("crypto/x509: system root pool is not available on Windows")
}
if sysRoots := systemRootsPool(); sysRoots != nil {
return sysRoots.copy(), nil
}
return loadSystemRoots()
}
// findPotentialParents returns the indexes of certificates in s which might
// have signed cert. The caller must not modify the returned slice.
func (s *CertPool) findPotentialParents(cert *Certificate) []int {
if s == nil {
return nil
}
var candidates []int
if len(cert.AuthorityKeyId) > 0 {
candidates = s.bySubjectKeyId[string(cert.AuthorityKeyId)]
}
if len(candidates) == 0 {
candidates = s.byName[string(cert.RawIssuer)]
}
return candidates
}
func (s *CertPool) contains(cert *Certificate) (bool, error) {
if s == nil {
return false, nil
}
candidates := s.byName[string(cert.RawSubject)]
for _, i := range candidates {
c, err := s.cert(i)
if err != nil {
return false, err
}
if c.Equal(cert) {
return true, nil
}
}
return false, nil
}
// AddCert adds a certificate to a pool.
func (s *CertPool) AddCert(cert *Certificate) {
if cert == nil {
panic("adding nil Certificate to CertPool")
}
s.AddCertFunc(sha256.Sum224(cert.Raw), string(cert.RawSubject), string(cert.SubjectKeyId), func() (*Certificate, error) {
return cert, nil
})
}
// AddCertFunc adds metadata about a certificate to a pool, along with
// a func to fetch that certificate later when needed.
//
// The rawSubject is Certificate.RawSubject and must be non-empty.
// The subjectKeyID is Certificate.SubjectKeyId and may be empty.
// The getCert func may be called 0 or more times.
func (s *CertPool) AddCertFunc(rawSum224 sum224, rawSubject, subjectKeyID string, getCert func() (*Certificate, error)) {
// Check that the certificate isn't being added twice.
if s.haveSum[rawSum224] {
return
}
s.haveSum[rawSum224] = true
s.addCertFuncNotDup(rawSubject, subjectKeyID, getCert)
}
func (s *CertPool) addCertFuncNotDup(rawSubject, subjectKeyID string, getCert func() (*Certificate, error)) {
if getCert == nil {
panic("getCert can't be nil")
}
n := len(s.getCert)
s.getCert = append(s.getCert, getCert)
if subjectKeyID != "" {
s.bySubjectKeyId[subjectKeyID] = append(s.bySubjectKeyId[subjectKeyID], n)
}
s.byName[rawSubject] = append(s.byName[rawSubject], n)
s.rawSubjects = append(s.rawSubjects, []byte(rawSubject))
}
// AppendCertsFromPEM attempts to parse a series of PEM encoded certificates.
// It appends any certificates found to s and reports whether any certificates
// were successfully parsed.
//
// On many Linux systems, /etc/ssl/cert.pem will contain the system wide set
// of root CAs in a format suitable for this function.
func (s *CertPool) AppendCertsFromPEM(pemCerts []byte) (ok bool) {
for len(pemCerts) > 0 {
var block *pem.Block
block, pemCerts = pem.Decode(pemCerts)
if block == nil {
break
}
if block.Type != "CERTIFICATE" || len(block.Headers) != 0 {
continue
}
certBytes := block.Bytes
cert, err := ParseCertificate(certBytes)
if err != nil {
continue
}
var lazyCert struct {
sync.Once
v *Certificate
}
s.AddCertFunc(sha256.Sum224(cert.Raw), string(cert.RawSubject), string(cert.SubjectKeyId), func() (*Certificate, error) {
lazyCert.Do(func() {
// This can't fail, as the same bytes already parsed above.
lazyCert.v, _ = ParseCertificate(certBytes)
certBytes = nil
})
return lazyCert.v, nil
})
ok = true
}
return ok
}
// Subjects returns a list of the DER-encoded subjects of
// all of the certificates in the pool.
func (s *CertPool) Subjects() [][]byte {
res := make([][]byte, s.len())
for i, s := range s.rawSubjects {
res[i] = s
}
return res
}

4293
tempfork/x509/certs.pem
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137
tempfork/x509/example_test.go
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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509_test
import (
"crypto/dsa"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"fmt"
)
func ExampleCertificate_Verify() {
// Verifying with a custom list of root certificates.
const rootPEM = `
-----BEGIN CERTIFICATE-----
MIIEBDCCAuygAwIBAgIDAjppMA0GCSqGSIb3DQEBBQUAMEIxCzAJBgNVBAYTAlVT
MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMRswGQYDVQQDExJHZW9UcnVzdCBHbG9i
YWwgQ0EwHhcNMTMwNDA1MTUxNTU1WhcNMTUwNDA0MTUxNTU1WjBJMQswCQYDVQQG
EwJVUzETMBEGA1UEChMKR29vZ2xlIEluYzElMCMGA1UEAxMcR29vZ2xlIEludGVy
bmV0IEF1dGhvcml0eSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
AJwqBHdc2FCROgajguDYUEi8iT/xGXAaiEZ+4I/F8YnOIe5a/mENtzJEiaB0C1NP
VaTOgmKV7utZX8bhBYASxF6UP7xbSDj0U/ck5vuR6RXEz/RTDfRK/J9U3n2+oGtv
h8DQUB8oMANA2ghzUWx//zo8pzcGjr1LEQTrfSTe5vn8MXH7lNVg8y5Kr0LSy+rE
ahqyzFPdFUuLH8gZYR/Nnag+YyuENWllhMgZxUYi+FOVvuOAShDGKuy6lyARxzmZ
EASg8GF6lSWMTlJ14rbtCMoU/M4iarNOz0YDl5cDfsCx3nuvRTPPuj5xt970JSXC
DTWJnZ37DhF5iR43xa+OcmkCAwEAAaOB+zCB+DAfBgNVHSMEGDAWgBTAephojYn7
qwVkDBF9qn1luMrMTjAdBgNVHQ4EFgQUSt0GFhu89mi1dvWBtrtiGrpagS8wEgYD
VR0TAQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8EBAMCAQYwOgYDVR0fBDMwMTAvoC2g
K4YpaHR0cDovL2NybC5nZW90cnVzdC5jb20vY3Jscy9ndGdsb2JhbC5jcmwwPQYI
KwYBBQUHAQEEMTAvMC0GCCsGAQUFBzABhiFodHRwOi8vZ3RnbG9iYWwtb2NzcC5n
ZW90cnVzdC5jb20wFwYDVR0gBBAwDjAMBgorBgEEAdZ5AgUBMA0GCSqGSIb3DQEB
BQUAA4IBAQA21waAESetKhSbOHezI6B1WLuxfoNCunLaHtiONgaX4PCVOzf9G0JY
/iLIa704XtE7JW4S615ndkZAkNoUyHgN7ZVm2o6Gb4ChulYylYbc3GrKBIxbf/a/
zG+FA1jDaFETzf3I93k9mTXwVqO94FntT0QJo544evZG0R0SnU++0ED8Vf4GXjza
HFa9llF7b1cq26KqltyMdMKVvvBulRP/F/A8rLIQjcxz++iPAsbw+zOzlTvjwsto
WHPbqCRiOwY1nQ2pM714A5AuTHhdUDqB1O6gyHA43LL5Z/qHQF1hwFGPa4NrzQU6
yuGnBXj8ytqU0CwIPX4WecigUCAkVDNx
-----END CERTIFICATE-----`
const certPEM = `
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----`
// First, create the set of root certificates. For this example we only
// have one. It's also possible to omit this in order to use the
// default root set of the current operating system.
roots := x509.NewCertPool()
ok := roots.AppendCertsFromPEM([]byte(rootPEM))
if !ok {
panic("failed to parse root certificate")
}
block, _ := pem.Decode([]byte(certPEM))
if block == nil {
panic("failed to parse certificate PEM")
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
panic("failed to parse certificate: " + err.Error())
}
opts := x509.VerifyOptions{
DNSName: "mail.google.com",
Roots: roots,
}
if _, err := cert.Verify(opts); err != nil {
panic("failed to verify certificate: " + err.Error())
}
}
func ExampleParsePKIXPublicKey() {
const pubPEM = `
-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----`
block, _ := pem.Decode([]byte(pubPEM))
if block == nil {
panic("failed to parse PEM block containing the public key")
}
pub, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
panic("failed to parse DER encoded public key: " + err.Error())
}
switch pub := pub.(type) {
case *rsa.PublicKey:
fmt.Println("pub is of type RSA:", pub)
case *dsa.PublicKey:
fmt.Println("pub is of type DSA:", pub)
case *ecdsa.PublicKey:
fmt.Println("pub is of type ECDSA:", pub)
case ed25519.PublicKey:
fmt.Println("pub is of type Ed25519:", pub)
default:
panic("unknown type of public key")
}
}

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tempfork/x509/name_constraints_test.go
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tempfork/x509/pem_decrypt.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
// RFC 1423 describes the encryption of PEM blocks. The algorithm used to
// generate a key from the password was derived by looking at the OpenSSL
// implementation.
import (
"crypto/aes"
"crypto/cipher"
"crypto/des"
"crypto/md5"
"encoding/hex"
"encoding/pem"
"errors"
"io"
"strings"
)
type PEMCipher int
// Possible values for the EncryptPEMBlock encryption algorithm.
const (
_ PEMCipher = iota
PEMCipherDES
PEMCipher3DES
PEMCipherAES128
PEMCipherAES192
PEMCipherAES256
)
// rfc1423Algo holds a method for enciphering a PEM block.
type rfc1423Algo struct {
cipher PEMCipher
name string
cipherFunc func(key []byte) (cipher.Block, error)
keySize int
blockSize int
}
// rfc1423Algos holds a slice of the possible ways to encrypt a PEM
// block. The ivSize numbers were taken from the OpenSSL source.
var rfc1423Algos = []rfc1423Algo{{
cipher: PEMCipherDES,
name: "DES-CBC",
cipherFunc: des.NewCipher,
keySize: 8,
blockSize: des.BlockSize,
}, {
cipher: PEMCipher3DES,
name: "DES-EDE3-CBC",
cipherFunc: des.NewTripleDESCipher,
keySize: 24,
blockSize: des.BlockSize,
}, {
cipher: PEMCipherAES128,
name: "AES-128-CBC",
cipherFunc: aes.NewCipher,
keySize: 16,
blockSize: aes.BlockSize,
}, {
cipher: PEMCipherAES192,
name: "AES-192-CBC",
cipherFunc: aes.NewCipher,
keySize: 24,
blockSize: aes.BlockSize,
}, {
cipher: PEMCipherAES256,
name: "AES-256-CBC",
cipherFunc: aes.NewCipher,
keySize: 32,
blockSize: aes.BlockSize,
},
}
// deriveKey uses a key derivation function to stretch the password into a key
// with the number of bits our cipher requires. This algorithm was derived from
// the OpenSSL source.
func (c rfc1423Algo) deriveKey(password, salt []byte) []byte {
hash := md5.New()
out := make([]byte, c.keySize)
var digest []byte
for i := 0; i < len(out); i += len(digest) {
hash.Reset()
hash.Write(digest)
hash.Write(password)
hash.Write(salt)
digest = hash.Sum(digest[:0])
copy(out[i:], digest)
}
return out
}
// IsEncryptedPEMBlock returns if the PEM block is password encrypted.
func IsEncryptedPEMBlock(b *pem.Block) bool {
_, ok := b.Headers["DEK-Info"]
return ok
}
// IncorrectPasswordError is returned when an incorrect password is detected.
var IncorrectPasswordError = errors.New("x509: decryption password incorrect")
// DecryptPEMBlock takes a password encrypted PEM block and the password used to
// encrypt it and returns a slice of decrypted DER encoded bytes. It inspects
// the DEK-Info header to determine the algorithm used for decryption. If no
// DEK-Info header is present, an error is returned. If an incorrect password
// is detected an IncorrectPasswordError is returned. Because of deficiencies
// in the encrypted-PEM format, it's not always possible to detect an incorrect
// password. In these cases no error will be returned but the decrypted DER
// bytes will be random noise.
func DecryptPEMBlock(b *pem.Block, password []byte) ([]byte, error) {
dek, ok := b.Headers["DEK-Info"]
if !ok {
return nil, errors.New("x509: no DEK-Info header in block")
}
idx := strings.Index(dek, ",")
if idx == -1 {
return nil, errors.New("x509: malformed DEK-Info header")
}
mode, hexIV := dek[:idx], dek[idx+1:]
ciph := cipherByName(mode)
if ciph == nil {
return nil, errors.New("x509: unknown encryption mode")
}
iv, err := hex.DecodeString(hexIV)
if err != nil {
return nil, err
}
if len(iv) != ciph.blockSize {
return nil, errors.New("x509: incorrect IV size")
}
// Based on the OpenSSL implementation. The salt is the first 8 bytes
// of the initialization vector.
key := ciph.deriveKey(password, iv[:8])
block, err := ciph.cipherFunc(key)
if err != nil {
return nil, err
}
if len(b.Bytes)%block.BlockSize() != 0 {
return nil, errors.New("x509: encrypted PEM data is not a multiple of the block size")
}
data := make([]byte, len(b.Bytes))
dec := cipher.NewCBCDecrypter(block, iv)
dec.CryptBlocks(data, b.Bytes)
// Blocks are padded using a scheme where the last n bytes of padding are all
// equal to n. It can pad from 1 to blocksize bytes inclusive. See RFC 1423.
// For example:
// [x y z 2 2]
// [x y 7 7 7 7 7 7 7]
// If we detect a bad padding, we assume it is an invalid password.
dlen := len(data)
if dlen == 0 || dlen%ciph.blockSize != 0 {
return nil, errors.New("x509: invalid padding")
}
last := int(data[dlen-1])
if dlen < last {
return nil, IncorrectPasswordError
}
if last == 0 || last > ciph.blockSize {
return nil, IncorrectPasswordError
}
for _, val := range data[dlen-last:] {
if int(val) != last {
return nil, IncorrectPasswordError
}
}
return data[:dlen-last], nil
}
// EncryptPEMBlock returns a PEM block of the specified type holding the
// given DER-encoded data encrypted with the specified algorithm and
// password.
func EncryptPEMBlock(rand io.Reader, blockType string, data, password []byte, alg PEMCipher) (*pem.Block, error) {
ciph := cipherByKey(alg)
if ciph == nil {
return nil, errors.New("x509: unknown encryption mode")
}
iv := make([]byte, ciph.blockSize)
if _, err := io.ReadFull(rand, iv); err != nil {
return nil, errors.New("x509: cannot generate IV: " + err.Error())
}
// The salt is the first 8 bytes of the initialization vector,
// matching the key derivation in DecryptPEMBlock.
key := ciph.deriveKey(password, iv[:8])
block, err := ciph.cipherFunc(key)
if err != nil {
return nil, err
}
enc := cipher.NewCBCEncrypter(block, iv)
pad := ciph.blockSize - len(data)%ciph.blockSize
encrypted := make([]byte, len(data), len(data)+pad)
// We could save this copy by encrypting all the whole blocks in
// the data separately, but it doesn't seem worth the additional
// code.
copy(encrypted, data)
// See RFC 1423, Section 1.1.
for i := 0; i < pad; i++ {
encrypted = append(encrypted, byte(pad))
}
enc.CryptBlocks(encrypted, encrypted)
return &pem.Block{
Type: blockType,
Headers: map[string]string{
"Proc-Type": "4,ENCRYPTED",
"DEK-Info": ciph.name + "," + hex.EncodeToString(iv),
},
Bytes: encrypted,
}, nil
}
func cipherByName(name string) *rfc1423Algo {
for i := range rfc1423Algos {
alg := &rfc1423Algos[i]
if alg.name == name {
return alg
}
}
return nil
}
func cipherByKey(key PEMCipher) *rfc1423Algo {
for i := range rfc1423Algos {
alg := &rfc1423Algos[i]
if alg.cipher == key {
return alg
}
}
return nil
}

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tempfork/x509/pem_decrypt_test.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"bytes"
"crypto/rand"
"encoding/base64"
"encoding/pem"
"strings"
"testing"
)
func TestDecrypt(t *testing.T) {
for i, data := range testData {
t.Logf("test %v. %v", i, data.kind)
block, rest := pem.Decode(data.pemData)
if len(rest) > 0 {
t.Error("extra data")
}
der, err := DecryptPEMBlock(block, data.password)
if err != nil {
t.Error("decrypt failed: ", err)
continue
}
if _, err := ParsePKCS1PrivateKey(der); err != nil {
t.Error("invalid private key: ", err)
}
plainDER, err := base64.StdEncoding.DecodeString(data.plainDER)
if err != nil {
t.Fatal("cannot decode test DER data: ", err)
}
if !bytes.Equal(der, plainDER) {
t.Error("data mismatch")
}
}
}
func TestEncrypt(t *testing.T) {
for i, data := range testData {
t.Logf("test %v. %v", i, data.kind)
plainDER, err := base64.StdEncoding.DecodeString(data.plainDER)
if err != nil {
t.Fatal("cannot decode test DER data: ", err)
}
password := []byte("kremvax1")
block, err := EncryptPEMBlock(rand.Reader, "RSA PRIVATE KEY", plainDER, password, data.kind)
if err != nil {
t.Error("encrypt: ", err)
continue
}
if !IsEncryptedPEMBlock(block) {
t.Error("PEM block does not appear to be encrypted")
}
if block.Type != "RSA PRIVATE KEY" {
t.Errorf("unexpected block type; got %q want %q", block.Type, "RSA PRIVATE KEY")
}
if block.Headers["Proc-Type"] != "4,ENCRYPTED" {
t.Errorf("block does not have correct Proc-Type header")
}
der, err := DecryptPEMBlock(block, password)
if err != nil {
t.Error("decrypt: ", err)
continue
}
if !bytes.Equal(der, plainDER) {
t.Errorf("data mismatch")
}
}
}
var testData = []struct {
kind PEMCipher
password []byte
pemData []byte
plainDER string
}{
{
kind: PEMCipherDES,
password: []byte("asdf"),
pemData: []byte(testingKey(`
-----BEGIN RSA TESTING KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: DES-CBC,34F09A4FC8DE22B5
WXxy8kbZdiZvANtKvhmPBLV7eVFj2A5z6oAxvI9KGyhG0ZK0skfnt00C24vfU7m5
ICXeoqP67lzJ18xCzQfHjDaBNs53DSDT+Iz4e8QUep1xQ30+8QKX2NA2coee3nwc
6oM1cuvhNUDemBH2i3dKgMVkfaga0zQiiOq6HJyGSncCMSruQ7F9iWEfRbFcxFCx
qtHb1kirfGKEtgWTF+ynyco6+2gMXNu70L7nJcnxnV/RLFkHt7AUU1yrclxz7eZz
XOH9VfTjb52q/I8Suozq9coVQwg4tXfIoYUdT//O+mB7zJb9HI9Ps77b9TxDE6Gm
4C9brwZ3zg2vqXcwwV6QRZMtyll9rOpxkbw6NPlpfBqkc3xS51bbxivbO/Nve4KD
r12ymjFNF4stXCfJnNqKoZ50BHmEEUDu5Wb0fpVn82XrGw7CYc4iug==
-----END RSA TESTING KEY-----`)),
plainDER: `
MIIBPAIBAAJBAPASZe+tCPU6p80AjHhDkVsLYa51D35e/YGa8QcZyooeZM8EHozo
KD0fNiKI+53bHdy07N+81VQ8/ejPcRoXPlsCAwEAAQJBAMTxIuSq27VpR+zZ7WJf
c6fvv1OBvpMZ0/d1pxL/KnOAgq2rD5hDtk9b0LGhTPgQAmrrMTKuSeGoIuYE+gKQ
QvkCIQD+GC1m+/do+QRurr0uo46Kx1LzLeSCrjBk34wiOp2+dwIhAPHfTLRXS2fv
7rljm0bYa4+eDZpz+E8RcXEgzhhvcQQ9AiAI5eHZJGOyml3MXnQjiPi55WcDOw0w
glcRgT6QCEtz2wIhANSyqaFtosIkHKqrDUGfz/bb5tqMYTAnBruVPaf/WEOBAiEA
9xORWeRG1tRpso4+dYy4KdDkuLPIO01KY6neYGm3BCM=`,
},
{
kind: PEMCipher3DES,
password: []byte("asdf"),
pemData: []byte(testingKey(`
-----BEGIN RSA TESTING KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: DES-EDE3-CBC,C1F4A6A03682C2C7
0JqVdBEH6iqM7drTkj+e2W/bE3LqakaiWhb9WUVonFkhyu8ca/QzebY3b5gCvAZQ
YwBvDcT/GHospKqPx+cxDHJNsUASDZws6bz8ZXWJGwZGExKzr0+Qx5fgXn44Ms3x
8g1ENFuTXtxo+KoNK0zuAMAqp66Llcds3Fjl4XR18QaD0CrVNAfOdgATWZm5GJxk
Fgx5f84nT+/ovvreG+xeOzWgvtKo0UUZVrhGOgfKLpa57adumcJ6SkUuBtEFpZFB
ldw5w7WC7d13x2LsRkwo8ZrDKgIV+Y9GNvhuCCkTzNP0V3gNeJpd201HZHR+9n3w
3z0VjR/MGqsfcy1ziEWMNOO53At3zlG6zP05aHMnMcZoVXadEK6L1gz++inSSDCq
gI0UJP4e3JVB7AkgYymYAwiYALAkoEIuanxoc50njJk=
-----END RSA TESTING KEY-----`)),
plainDER: `
MIIBOwIBAAJBANOCXKdoNS/iP/MAbl9cf1/SF3P+Ns7ZeNL27CfmDh0O6Zduaax5
NBiumd2PmjkaCu7lQ5JOibHfWn+xJsc3kw0CAwEAAQJANX/W8d1Q/sCqzkuAn4xl
B5a7qfJWaLHndu1QRLNTRJPn0Ee7OKJ4H0QKOhQM6vpjRrz+P2u9thn6wUxoPsef
QQIhAP/jCkfejFcy4v15beqKzwz08/tslVjF+Yq41eJGejmxAiEA05pMoqfkyjcx
fyvGhpoOyoCp71vSGUfR2I9CR65oKh0CIC1Msjs66LlfJtQctRq6bCEtFCxEcsP+
eEjYo/Sk6WphAiEAxpgWPMJeU/shFT28gS+tmhjPZLpEoT1qkVlC14u0b3ECIQDX
tZZZxCtPAm7shftEib0VU77Lk8MsXJcx2C4voRsjEw==`,
},
{
kind: PEMCipherAES128,
password: []byte("asdf"),
pemData: []byte(testingKey(`
-----BEGIN RSA TESTING KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,D4492E793FC835CC038A728ED174F78A
EyfQSzXSjv6BaNH+NHdXRlkHdimpF9izWlugVJAPApgXrq5YldPe2aGIOFXyJ+QE
ZIG20DYqaPzJRjTEbPNZ6Es0S2JJ5yCpKxwJuDkgJZKtF39Q2i36JeGbSZQIuWJE
GZbBpf1jDH/pr0iGonuAdl2PCCZUiy+8eLsD2tyviHUkFLOB+ykYoJ5t8ngZ/B6D
33U43LLb7+9zD4y3Q9OVHqBFGyHcxCY9+9Qh4ZnFp7DTf6RY5TNEvE3s4g6aDpBs
3NbvRVvYTgs8K9EPk4K+5R+P2kD8J8KvEIGxVa1vz8QoCJ/jr7Ka2rvNgPCex5/E
080LzLHPCrXKdlr/f50yhNWq08ZxMWQFkui+FDHPDUaEELKAXV8/5PDxw80Rtybo
AVYoCVIbZXZCuCO81op8UcOgEpTtyU5Lgh3Mw5scQL0=
-----END RSA TESTING KEY-----`)),
plainDER: `
MIIBOgIBAAJBAMBlj5FxYtqbcy8wY89d/S7n0+r5MzD9F63BA/Lpl78vQKtdJ5dT
cDGh/rBt1ufRrNp0WihcmZi7Mpl/3jHjiWECAwEAAQJABNOHYnKhtDIqFYj1OAJ3
k3GlU0OlERmIOoeY/cL2V4lgwllPBEs7r134AY4wMmZSBUj8UR/O4SNO668ElKPE
cQIhAOuqY7/115x5KCdGDMWi+jNaMxIvI4ETGwV40ykGzqlzAiEA0P9oEC3m9tHB
kbpjSTxaNkrXxDgdEOZz8X0uOUUwHNsCIAwzcSCiGLyYJTULUmP1ESERfW1mlV78
XzzESaJpIM/zAiBQkSTcl9VhcJreQqvjn5BnPZLP4ZHS4gPwJAGdsj5J4QIhAOVR
B3WlRNTXR2WsJ5JdByezg9xzdXzULqmga0OE339a`,
},
{
kind: PEMCipherAES192,
password: []byte("asdf"),
pemData: []byte(testingKey(`
-----BEGIN RSA TESTING KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-192-CBC,E2C9FB02BCA23ADE1829F8D8BC5F5369
cqVslvHqDDM6qwU6YjezCRifXmKsrgEev7ng6Qs7UmDJOpHDgJQZI9fwMFUhIyn5
FbCu1SHkLMW52Ld3CuEqMnzWMlhPrW8tFvUOrMWPYSisv7nNq88HobZEJcUNL2MM
Y15XmHW6IJwPqhKyLHpWXyOCVEh4ODND2nV15PCoi18oTa475baxSk7+1qH7GuIs
Rb7tshNTMqHbCpyo9Rn3UxeFIf9efdl8YLiMoIqc7J8E5e9VlbeQSdLMQOgDAQJG
ReUtTw8exmKsY4gsSjhkg5uiw7/ZB1Ihto0qnfQJgjGc680qGkT1d6JfvOfeYAk6
xn5RqS/h8rYAYm64KnepfC9vIujo4NqpaREDmaLdX5MJPQ+SlytITQvgUsUq3q/t
Ss85xjQEZH3hzwjQqdJvmA4hYP6SUjxYpBM+02xZ1Xw=
-----END RSA TESTING KEY-----`)),
plainDER: `
MIIBOwIBAAJBAMGcRrZiNNmtF20zyS6MQ7pdGx17aFDl+lTl+qnLuJRUCMUG05xs
OmxmL/O1Qlf+bnqR8Bgg65SfKg21SYuLhiMCAwEAAQJBAL94uuHyO4wux2VC+qpj
IzPykjdU7XRcDHbbvksf4xokSeUFjjD3PB0Qa83M94y89ZfdILIqS9x5EgSB4/lX
qNkCIQD6cCIqLfzq/lYbZbQgAAjpBXeQVYsbvVtJrPrXJAlVVQIhAMXpDKMeFPMn
J0g2rbx1gngx0qOa5r5iMU5w/noN4W2XAiBjf+WzCG5yFvazD+dOx3TC0A8+4x3P
uZ3pWbaXf5PNuQIgAcdXarvhelH2w2piY1g3BPeFqhzBSCK/yLGxR82KIh8CIQDD
+qGKsd09NhQ/G27y/DARzOYtml1NvdmCQAgsDIIOLA==`,
},
{
kind: PEMCipherAES256,
password: []byte("asdf"),
pemData: []byte(testingKey(`
-----BEGIN RSA TESTING KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-256-CBC,8E7ED5CD731902CE938957A886A5FFBD
4Mxr+KIzRVwoOP0wwq6caSkvW0iS+GE2h2Ov/u+n9ZTMwL83PRnmjfjzBgfRZLVf
JFPXxUK26kMNpIdssNnqGOds+DhB+oSrsNKoxgxSl5OBoYv9eJTVYm7qOyAFIsjr
DRKAcjYCmzfesr7PVTowwy0RtHmYwyXMGDlAzzZrEvaiySFFmMyKKvtoavwaFoc7
Pz3RZScwIuubzTGJ1x8EzdffYOsdCa9Mtgpp3L136+23dOd6L/qK2EG2fzrJSHs/
2XugkleBFSMKzEp9mxXKRfa++uidQvMZTFLDK9w5YjrRvMBo/l2BoZIsq0jAIE1N
sv5Z/KwlX+3MDEpPQpUwGPlGGdLnjI3UZ+cjgqBcoMiNc6HfgbBgYJSU6aDSHuCk
clCwByxWkBNgJ2GrkwNrF26v+bGJJJNR4SKouY1jQf0=
-----END RSA TESTING KEY-----`)),
plainDER: `
MIIBOgIBAAJBAKy3GFkstoCHIEeUU/qO8207m8WSrjksR+p9B4tf1w5k+2O1V/GY
AQ5WFCApItcOkQe/I0yZZJk/PmCqMzSxrc8CAwEAAQJAOCAz0F7AW9oNelVQSP8F
Sfzx7O1yom+qWyAQQJF/gFR11gpf9xpVnnyu1WxIRnDUh1LZwUsjwlDYb7MB74id
oQIhANPcOiLwOPT4sIUpRM5HG6BF1BI7L77VpyGVk8xNP7X/AiEA0LMHZtk4I+lJ
nClgYp4Yh2JZ1Znbu7IoQMCEJCjwKDECIGd8Dzm5tViTkUW6Hs3Tlf73nNs65duF
aRnSglss8I3pAiEAonEnKruawgD8RavDFR+fUgmQiPz4FnGGeVgfwpGG1JECIBYq
PXHYtPqxQIbD2pScR5qum7iGUh11lEUPkmt+2uqS`,
},
{
// generated with:
// openssl genrsa -aes128 -passout pass:asdf -out server.orig.key 128
kind: PEMCipherAES128,
password: []byte("asdf"),
pemData: []byte(testingKey(`
-----BEGIN RSA TESTING KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,74611ABC2571AF11B1BF9B69E62C89E7
6ei/MlytjE0FFgZOGQ+jrwomKfpl8kdefeE0NSt/DMRrw8OacHAzBNi3pPEa0eX3
eND9l7C9meCirWovjj9QWVHrXyugFuDIqgdhQ8iHTgCfF3lrmcttVrbIfMDw+smD
hTP8O1mS/MHl92NE0nhv0w==
-----END RSA TESTING KEY-----`)),
plainDER: `
MGMCAQACEQC6ssxmYuauuHGOCDAI54RdAgMBAAECEQCWIn6Yv2O+kBcDF7STctKB
AgkA8SEfu/2i3g0CCQDGNlXbBHX7kQIIK3Ww5o0cYbECCQDCimPb0dYGsQIIeQ7A
jryIst8=`,
},
}
var incompleteBlockPEM = testingKey(`
-----BEGIN RSA TESTING KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,74611ABC2571AF11B1BF9B69E62C89E7
6L8yXK2MTQUWBk4ZD6OvCiYp+mXyR1594TQ1K38MxGvDw5pwcDME2Lek8RrR5fd40P2XsL2Z4KKt
ai+OP1BZUetfK6AW4MiqB2FDyIdOAJ8XeWuZy21Wtsh8wPD6yYOFM/w7WZL8weX3Y0TSeG/T
-----END RSA TESTING KEY-----`)
func TestIncompleteBlock(t *testing.T) {
// incompleteBlockPEM contains ciphertext that is not a multiple of the
// block size. This previously panicked. See #11215.
block, _ := pem.Decode([]byte(incompleteBlockPEM))
_, err := DecryptPEMBlock(block, []byte("foo"))
if err == nil {
t.Fatal("Bad PEM data decrypted successfully")
}
const expectedSubstr = "block size"
if e := err.Error(); !strings.Contains(e, expectedSubstr) {
t.Fatalf("Expected error containing %q but got: %q", expectedSubstr, e)
}
}
func testingKey(s string) string { return strings.ReplaceAll(s, "TESTING KEY", "PRIVATE KEY") }

173
tempfork/x509/pkcs1.go
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@ -1,173 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"crypto/rsa"
"encoding/asn1"
"errors"
"math/big"
)
// pkcs1PrivateKey is a structure which mirrors the PKCS#1 ASN.1 for an RSA private key.
type pkcs1PrivateKey struct {
Version int
N *big.Int
E int
D *big.Int
P *big.Int
Q *big.Int
// We ignore these values, if present, because rsa will calculate them.
Dp *big.Int `asn1:"optional"`
Dq *big.Int `asn1:"optional"`
Qinv *big.Int `asn1:"optional"`
AdditionalPrimes []pkcs1AdditionalRSAPrime `asn1:"optional,omitempty"`
}
type pkcs1AdditionalRSAPrime struct {
Prime *big.Int
// We ignore these values because rsa will calculate them.
Exp *big.Int
Coeff *big.Int
}
// pkcs1PublicKey reflects the ASN.1 structure of a PKCS#1 public key.
type pkcs1PublicKey struct {
N *big.Int
E int
}
// ParsePKCS1PrivateKey parses an RSA private key in PKCS#1, ASN.1 DER form.
//
// This kind of key is commonly encoded in PEM blocks of type "RSA PRIVATE KEY".
func ParsePKCS1PrivateKey(der []byte) (*rsa.PrivateKey, error) {
var priv pkcs1PrivateKey
rest, err := asn1.Unmarshal(der, &priv)
if len(rest) > 0 {
return nil, asn1.SyntaxError{Msg: "trailing data"}
}
if err != nil {
if _, err := asn1.Unmarshal(der, &ecPrivateKey{}); err == nil {
return nil, errors.New("x509: failed to parse private key (use ParseECPrivateKey instead for this key format)")
}
if _, err := asn1.Unmarshal(der, &pkcs8{}); err == nil {
return nil, errors.New("x509: failed to parse private key (use ParsePKCS8PrivateKey instead for this key format)")
}
return nil, err
}
if priv.Version > 1 {
return nil, errors.New("x509: unsupported private key version")
}
if priv.N.Sign() <= 0 || priv.D.Sign() <= 0 || priv.P.Sign() <= 0 || priv.Q.Sign() <= 0 {
return nil, errors.New("x509: private key contains zero or negative value")
}
key := new(rsa.PrivateKey)
key.PublicKey = rsa.PublicKey{
E: priv.E,
N: priv.N,
}
key.D = priv.D
key.Primes = make([]*big.Int, 2+len(priv.AdditionalPrimes))
key.Primes[0] = priv.P
key.Primes[1] = priv.Q
for i, a := range priv.AdditionalPrimes {
if a.Prime.Sign() <= 0 {
return nil, errors.New("x509: private key contains zero or negative prime")
}
key.Primes[i+2] = a.Prime
// We ignore the other two values because rsa will calculate
// them as needed.
}
err = key.Validate()
if err != nil {
return nil, err
}
key.Precompute()
return key, nil
}
// MarshalPKCS1PrivateKey converts an RSA private key to PKCS#1, ASN.1 DER form.
//
// This kind of key is commonly encoded in PEM blocks of type "RSA PRIVATE KEY".
// For a more flexible key format which is not RSA specific, use
// MarshalPKCS8PrivateKey.
func MarshalPKCS1PrivateKey(key *rsa.PrivateKey) []byte {
key.Precompute()
version := 0
if len(key.Primes) > 2 {
version = 1
}
priv := pkcs1PrivateKey{
Version: version,
N: key.N,
E: key.PublicKey.E,
D: key.D,
P: key.Primes[0],
Q: key.Primes[1],
Dp: key.Precomputed.Dp,
Dq: key.Precomputed.Dq,
Qinv: key.Precomputed.Qinv,
}
priv.AdditionalPrimes = make([]pkcs1AdditionalRSAPrime, len(key.Precomputed.CRTValues))
for i, values := range key.Precomputed.CRTValues {
priv.AdditionalPrimes[i].Prime = key.Primes[2+i]
priv.AdditionalPrimes[i].Exp = values.Exp
priv.AdditionalPrimes[i].Coeff = values.Coeff
}
b, _ := asn1.Marshal(priv)
return b
}
// ParsePKCS1PublicKey parses an RSA public key in PKCS#1, ASN.1 DER form.
//
// This kind of key is commonly encoded in PEM blocks of type "RSA PUBLIC KEY".
func ParsePKCS1PublicKey(der []byte) (*rsa.PublicKey, error) {
var pub pkcs1PublicKey
rest, err := asn1.Unmarshal(der, &pub)
if err != nil {
if _, err := asn1.Unmarshal(der, &publicKeyInfo{}); err == nil {
return nil, errors.New("x509: failed to parse public key (use ParsePKIXPublicKey instead for this key format)")
}
return nil, err
}
if len(rest) > 0 {
return nil, asn1.SyntaxError{Msg: "trailing data"}
}
if pub.N.Sign() <= 0 || pub.E <= 0 {
return nil, errors.New("x509: public key contains zero or negative value")
}
if pub.E > 1<<31-1 {
return nil, errors.New("x509: public key contains large public exponent")
}
return &rsa.PublicKey{
E: pub.E,
N: pub.N,
}, nil
}
// MarshalPKCS1PublicKey converts an RSA public key to PKCS#1, ASN.1 DER form.
//
// This kind of key is commonly encoded in PEM blocks of type "RSA PUBLIC KEY".
func MarshalPKCS1PublicKey(key *rsa.PublicKey) []byte {
derBytes, _ := asn1.Marshal(pkcs1PublicKey{
N: key.N,
E: key.E,
})
return derBytes
}

136
tempfork/x509/pkcs8.go
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@ -1,136 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"crypto/ecdsa"
"crypto/ed25519"
"crypto/rsa"
"crypto/x509/pkix"
"encoding/asn1"
"errors"
"fmt"
)
// pkcs8 reflects an ASN.1, PKCS#8 PrivateKey. See
// ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-8/pkcs-8v1_2.asn
// and RFC 5208.
type pkcs8 struct {
Version int
Algo pkix.AlgorithmIdentifier
PrivateKey []byte
// optional attributes omitted.
}
// ParsePKCS8PrivateKey parses an unencrypted private key in PKCS#8, ASN.1 DER form.
//
// It returns a *rsa.PrivateKey, a *ecdsa.PrivateKey, or a ed25519.PrivateKey.
// More types might be supported in the future.
//
// This kind of key is commonly encoded in PEM blocks of type "PRIVATE KEY".
func ParsePKCS8PrivateKey(der []byte) (key interface{}, err error) {
var privKey pkcs8
if _, err := asn1.Unmarshal(der, &privKey); err != nil {
if _, err := asn1.Unmarshal(der, &ecPrivateKey{}); err == nil {
return nil, errors.New("x509: failed to parse private key (use ParseECPrivateKey instead for this key format)")
}
if _, err := asn1.Unmarshal(der, &pkcs1PrivateKey{}); err == nil {
return nil, errors.New("x509: failed to parse private key (use ParsePKCS1PrivateKey instead for this key format)")
}
return nil, err
}
switch {
case privKey.Algo.Algorithm.Equal(oidPublicKeyRSA):
key, err = ParsePKCS1PrivateKey(privKey.PrivateKey)
if err != nil {
return nil, errors.New("x509: failed to parse RSA private key embedded in PKCS#8: " + err.Error())
}
return key, nil
case privKey.Algo.Algorithm.Equal(oidPublicKeyECDSA):
bytes := privKey.Algo.Parameters.FullBytes
namedCurveOID := new(asn1.ObjectIdentifier)
if _, err := asn1.Unmarshal(bytes, namedCurveOID); err != nil {
namedCurveOID = nil
}
key, err = parseECPrivateKey(namedCurveOID, privKey.PrivateKey)
if err != nil {
return nil, errors.New("x509: failed to parse EC private key embedded in PKCS#8: " + err.Error())
}
return key, nil
case privKey.Algo.Algorithm.Equal(oidPublicKeyEd25519):
if l := len(privKey.Algo.Parameters.FullBytes); l != 0 {
return nil, errors.New("x509: invalid Ed25519 private key parameters")
}
var curvePrivateKey []byte
if _, err := asn1.Unmarshal(privKey.PrivateKey, &curvePrivateKey); err != nil {
return nil, fmt.Errorf("x509: invalid Ed25519 private key: %v", err)
}
if l := len(curvePrivateKey); l != ed25519.SeedSize {
return nil, fmt.Errorf("x509: invalid Ed25519 private key length: %d", l)
}
return ed25519.NewKeyFromSeed(curvePrivateKey), nil
default:
return nil, fmt.Errorf("x509: PKCS#8 wrapping contained private key with unknown algorithm: %v", privKey.Algo.Algorithm)
}
}
// MarshalPKCS8PrivateKey converts a private key to PKCS#8, ASN.1 DER form.
//
// The following key types are currently supported: *rsa.PrivateKey, *ecdsa.PrivateKey
// and ed25519.PrivateKey. Unsupported key types result in an error.
//
// This kind of key is commonly encoded in PEM blocks of type "PRIVATE KEY".
func MarshalPKCS8PrivateKey(key interface{}) ([]byte, error) {
var privKey pkcs8
switch k := key.(type) {
case *rsa.PrivateKey:
privKey.Algo = pkix.AlgorithmIdentifier{
Algorithm: oidPublicKeyRSA,
Parameters: asn1.NullRawValue,
}
privKey.PrivateKey = MarshalPKCS1PrivateKey(k)
case *ecdsa.PrivateKey:
oid, ok := oidFromNamedCurve(k.Curve)
if !ok {
return nil, errors.New("x509: unknown curve while marshaling to PKCS#8")
}
oidBytes, err := asn1.Marshal(oid)
if err != nil {
return nil, errors.New("x509: failed to marshal curve OID: " + err.Error())
}
privKey.Algo = pkix.AlgorithmIdentifier{
Algorithm: oidPublicKeyECDSA,
Parameters: asn1.RawValue{
FullBytes: oidBytes,
},
}
if privKey.PrivateKey, err = marshalECPrivateKeyWithOID(k, nil); err != nil {
return nil, errors.New("x509: failed to marshal EC private key while building PKCS#8: " + err.Error())
}
case ed25519.PrivateKey:
privKey.Algo = pkix.AlgorithmIdentifier{
Algorithm: oidPublicKeyEd25519,
}
curvePrivateKey, err := asn1.Marshal(k.Seed())
if err != nil {
return nil, fmt.Errorf("x509: failed to marshal private key: %v", err)
}
privKey.PrivateKey = curvePrivateKey
default:
return nil, fmt.Errorf("x509: unknown key type while marshaling PKCS#8: %T", key)
}
return asn1.Marshal(privKey)
}

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"bytes"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/elliptic"
"crypto/rsa"
"encoding/hex"
"reflect"
"strings"
"testing"
)
// Generated using:
// openssl genrsa 1024 | openssl pkcs8 -topk8 -nocrypt
var pkcs8RSAPrivateKeyHex = `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`
// Generated using:
// openssl ecparam -genkey -name secp224r1 | openssl pkcs8 -topk8 -nocrypt
var pkcs8P224PrivateKeyHex = `3078020100301006072a8648ce3d020106052b810400210461305f020101041cca3d72b3e88fed2684576dad9b80a9180363a5424986900e3abcab3fa13c033a0004f8f2a6372872a4e61263ed893afb919576a4cacfecd6c081a2cbc76873cf4ba8530703c6042b3a00e2205087e87d2435d2e339e25702fae1`
// Generated using:
// openssl ecparam -genkey -name secp256r1 | openssl pkcs8 -topk8 -nocrypt
var pkcs8P256PrivateKeyHex = `308187020100301306072a8648ce3d020106082a8648ce3d030107046d306b0201010420dad6b2f49ca774c36d8ae9517e935226f667c929498f0343d2424d0b9b591b43a14403420004b9c9b90095476afe7b860d8bd43568cab7bcb2eed7b8bf2fa0ce1762dd20b04193f859d2d782b1e4cbfd48492f1f533113a6804903f292258513837f07fda735`
// Generated using:
// openssl ecparam -genkey -name secp384r1 | openssl pkcs8 -topk8 -nocrypt
var pkcs8P384PrivateKeyHex = `3081b6020100301006072a8648ce3d020106052b8104002204819e30819b02010104309bf832f6aaaeacb78ce47ffb15e6fd0fd48683ae79df6eca39bfb8e33829ac94aa29d08911568684c2264a08a4ceb679a164036200049070ad4ed993c7770d700e9f6dc2baa83f63dd165b5507f98e8ff29b5d2e78ccbe05c8ddc955dbf0f7497e8222cfa49314fe4e269459f8e880147f70d785e530f2939e4bf9f838325bb1a80ad4cf59272ae0e5efe9a9dc33d874492596304bd3`
// Generated using:
// openssl ecparam -genkey -name secp521r1 | openssl pkcs8 -topk8 -nocrypt
//
// Note that OpenSSL will truncate the private key if it can (i.e. it emits it
// like an integer, even though it's an OCTET STRING field). Thus if you
// regenerate this you may, randomly, find that it's a byte shorter than
// expected and the Go test will fail to recreate it exactly.
var pkcs8P521PrivateKeyHex = `3081ee020100301006072a8648ce3d020106052b810400230481d63081d3020101044200cfe0b87113a205cf291bb9a8cd1a74ac6c7b2ebb8199aaa9a5010d8b8012276fa3c22ac913369fa61beec2a3b8b4516bc049bde4fb3b745ac11b56ab23ac52e361a1818903818600040138f75acdd03fbafa4f047a8e4b272ba9d555c667962b76f6f232911a5786a0964e5edea6bd21a6f8725720958de049c6e3e6661c1c91b227cebee916c0319ed6ca003db0a3206d372229baf9dd25d868bf81140a518114803ce40c1855074d68c4e9dab9e65efba7064c703b400f1767f217dac82715ac1f6d88c74baf47a7971de4ea`
// From RFC 8410, Section 7.
var pkcs8Ed25519PrivateKeyHex = `302e020100300506032b657004220420d4ee72dbf913584ad5b6d8f1f769f8ad3afe7c28cbf1d4fbe097a88f44755842`
func TestPKCS8(t *testing.T) {
tests := []struct {
name string
keyHex string
keyType reflect.Type
curve elliptic.Curve
}{
{
name: "RSA private key",
keyHex: pkcs8RSAPrivateKeyHex,
keyType: reflect.TypeOf(&rsa.PrivateKey{}),
},
{
name: "P-224 private key",
keyHex: pkcs8P224PrivateKeyHex,
keyType: reflect.TypeOf(&ecdsa.PrivateKey{}),
curve: elliptic.P224(),
},
{
name: "P-256 private key",
keyHex: pkcs8P256PrivateKeyHex,
keyType: reflect.TypeOf(&ecdsa.PrivateKey{}),
curve: elliptic.P256(),
},
{
name: "P-384 private key",
keyHex: pkcs8P384PrivateKeyHex,
keyType: reflect.TypeOf(&ecdsa.PrivateKey{}),
curve: elliptic.P384(),
},
{
name: "P-521 private key",
keyHex: pkcs8P521PrivateKeyHex,
keyType: reflect.TypeOf(&ecdsa.PrivateKey{}),
curve: elliptic.P521(),
},
{
name: "Ed25519 private key",
keyHex: pkcs8Ed25519PrivateKeyHex,
keyType: reflect.TypeOf(ed25519.PrivateKey{}),
},
}
for _, test := range tests {
derBytes, err := hex.DecodeString(test.keyHex)
if err != nil {
t.Errorf("%s: failed to decode hex: %s", test.name, err)
continue
}
privKey, err := ParsePKCS8PrivateKey(derBytes)
if err != nil {
t.Errorf("%s: failed to decode PKCS#8: %s", test.name, err)
continue
}
if reflect.TypeOf(privKey) != test.keyType {
t.Errorf("%s: decoded PKCS#8 returned unexpected key type: %T", test.name, privKey)
continue
}
if ecKey, isEC := privKey.(*ecdsa.PrivateKey); isEC && ecKey.Curve != test.curve {
t.Errorf("%s: decoded PKCS#8 returned unexpected curve %#v", test.name, ecKey.Curve)
continue
}
reserialised, err := MarshalPKCS8PrivateKey(privKey)
if err != nil {
t.Errorf("%s: failed to marshal into PKCS#8: %s", test.name, err)
continue
}
if !bytes.Equal(derBytes, reserialised) {
t.Errorf("%s: marshaled PKCS#8 didn't match original: got %x, want %x", test.name, reserialised, derBytes)
continue
}
}
}
const hexPKCS8TestPKCS1Key = "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"
const hexPKCS8TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50"
var pkcs8MismatchKeyTests = []struct {
hexKey string
errorContains string
}{
{hexKey: hexPKCS8TestECKey, errorContains: "use ParseECPrivateKey instead"},
{hexKey: hexPKCS8TestPKCS1Key, errorContains: "use ParsePKCS1PrivateKey instead"},
}
func TestPKCS8MismatchKeyFormat(t *testing.T) {
for i, test := range pkcs8MismatchKeyTests {
derBytes, _ := hex.DecodeString(test.hexKey)
_, err := ParsePKCS8PrivateKey(derBytes)
if !strings.Contains(err.Error(), test.errorContains) {
t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err)
}
}
}

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// Copyright 2020 Tailscale Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"compress/gzip"
"io/ioutil"
"strings"
"sync"
)
func certUncompressor(zcertBytes string) func() (*Certificate, error) {
var once sync.Once
var c *Certificate
var err error
return func() (*Certificate, error) {
once.Do(func() {
var certBytes []byte
var zr *gzip.Reader
zr, err = gzip.NewReader(strings.NewReader(zcertBytes))
if err != nil {
return
}
certBytes, err = ioutil.ReadAll(zr)
if err != nil {
return
}
c, err = ParseCertificate(certBytes)
})
return c, err
}
}

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tempfork/x509/root.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import "sync"
var (
once sync.Once
systemRoots *CertPool
systemRootsErr error
)
func systemRootsPool() *CertPool {
once.Do(initSystemRoots)
return systemRoots
}
func initSystemRoots() {
systemRoots, systemRootsErr = loadSystemRoots()
if systemRootsErr != nil {
systemRoots = nil
}
}

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tempfork/x509/root_aix.go
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
// Possible certificate files; stop after finding one.
var certFiles = []string{
"/var/ssl/certs/ca-bundle.crt",
}

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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build dragonfly freebsd netbsd openbsd
package x509
// Possible certificate files; stop after finding one.
var certFiles = []string{
"/usr/local/etc/ssl/cert.pem", // FreeBSD
"/etc/ssl/cert.pem", // OpenBSD
"/usr/local/share/certs/ca-root-nss.crt", // DragonFly
"/etc/openssl/certs/ca-certificates.crt", // NetBSD
}

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tempfork/x509/root_cgo_darwin.go
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build cgo,!arm64,!ios
package x509
/*
#cgo CFLAGS: -mmacosx-version-min=10.11
#cgo LDFLAGS: -framework CoreFoundation -framework Security
#include <errno.h>
#include <sys/sysctl.h>
#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
static Boolean isSSLPolicy(SecPolicyRef policyRef) {
if (!policyRef) {
return false;
}
CFDictionaryRef properties = SecPolicyCopyProperties(policyRef);
if (properties == NULL) {
return false;
}
Boolean isSSL = false;
CFTypeRef value = NULL;
if (CFDictionaryGetValueIfPresent(properties, kSecPolicyOid, (const void **)&value)) {
isSSL = CFEqual(value, kSecPolicyAppleSSL);
}
CFRelease(properties);
return isSSL;
}
// sslTrustSettingsResult obtains the final kSecTrustSettingsResult value
// for a certificate in the user or admin domain, combining usage constraints
// for the SSL SecTrustSettingsPolicy, ignoring SecTrustSettingsKeyUsage and
// kSecTrustSettingsAllowedError.
// https://developer.apple.com/documentation/security/1400261-sectrustsettingscopytrustsetting
static SInt32 sslTrustSettingsResult(SecCertificateRef cert) {
CFArrayRef trustSettings = NULL;
OSStatus err = SecTrustSettingsCopyTrustSettings(cert, kSecTrustSettingsDomainUser, &trustSettings);
// According to Apple's SecTrustServer.c, "user trust settings overrule admin trust settings",
// but the rules of the override are unclear. Let's assume admin trust settings are applicable
// if and only if user trust settings fail to load or are NULL.
if (err != errSecSuccess || trustSettings == NULL) {
if (trustSettings != NULL) CFRelease(trustSettings);
err = SecTrustSettingsCopyTrustSettings(cert, kSecTrustSettingsDomainAdmin, &trustSettings);
}
// > no trust settings [...] means "this certificate must be verified to a known trusted certificate”
// (Should this cause a fallback from user to admin domain? It's unclear.)
if (err != errSecSuccess || trustSettings == NULL) {
if (trustSettings != NULL) CFRelease(trustSettings);
return kSecTrustSettingsResultUnspecified;
}
// > An empty trust settings array means "always trust this certificate” with an
// > overall trust setting for the certificate of kSecTrustSettingsResultTrustRoot.
if (CFArrayGetCount(trustSettings) == 0) {
CFRelease(trustSettings);
return kSecTrustSettingsResultTrustRoot;
}
// kSecTrustSettingsResult is defined as CFSTR("kSecTrustSettingsResult"),
// but the Go linker's internal linking mode can't handle CFSTR relocations.
// Create our own dynamic string instead and release it below.
CFStringRef _kSecTrustSettingsResult = CFStringCreateWithCString(
NULL, "kSecTrustSettingsResult", kCFStringEncodingUTF8);
CFStringRef _kSecTrustSettingsPolicy = CFStringCreateWithCString(
NULL, "kSecTrustSettingsPolicy", kCFStringEncodingUTF8);
CFStringRef _kSecTrustSettingsPolicyString = CFStringCreateWithCString(
NULL, "kSecTrustSettingsPolicyString", kCFStringEncodingUTF8);
CFIndex m; SInt32 result = 0;
for (m = 0; m < CFArrayGetCount(trustSettings); m++) {
CFDictionaryRef tSetting = (CFDictionaryRef)CFArrayGetValueAtIndex(trustSettings, m);
// First, check if this trust setting is constrained to a non-SSL policy.
SecPolicyRef policyRef;
if (CFDictionaryGetValueIfPresent(tSetting, _kSecTrustSettingsPolicy, (const void**)&policyRef)) {
if (!isSSLPolicy(policyRef)) {
continue;
}
}
if (CFDictionaryContainsKey(tSetting, _kSecTrustSettingsPolicyString)) {
// Restricted to a hostname, not a root.
continue;
}
CFNumberRef cfNum;
if (CFDictionaryGetValueIfPresent(tSetting, _kSecTrustSettingsResult, (const void**)&cfNum)) {
CFNumberGetValue(cfNum, kCFNumberSInt32Type, &result);
} else {
// > If this key is not present, a default value of
// > kSecTrustSettingsResultTrustRoot is assumed.
result = kSecTrustSettingsResultTrustRoot;
}
// If multiple dictionaries match, we are supposed to "OR" them,
// the semantics of which are not clear. Since TrustRoot and TrustAsRoot
// are mutually exclusive, Deny should probably override, and Invalid and
// Unspecified be overridden, approximate this by stopping at the first
// TrustRoot, TrustAsRoot or Deny.
if (result == kSecTrustSettingsResultTrustRoot) {
break;
} else if (result == kSecTrustSettingsResultTrustAsRoot) {
break;
} else if (result == kSecTrustSettingsResultDeny) {
break;
}
}
// If trust settings are present, but none of them match the policy...
// the docs don't tell us what to do.
//
// "Trust settings for a given use apply if any of the dictionaries in the
// certificate’s trust settings array satisfies the specified use." suggests
// that it's as if there were no trust settings at all, so we should probably
// fallback to the admin trust settings. TODO.
if (result == 0) {
result = kSecTrustSettingsResultUnspecified;
}
CFRelease(_kSecTrustSettingsPolicy);
CFRelease(_kSecTrustSettingsPolicyString);
CFRelease(_kSecTrustSettingsResult);
CFRelease(trustSettings);
return result;
}
// isRootCertificate reports whether Subject and Issuer match.
static Boolean isRootCertificate(SecCertificateRef cert, CFErrorRef *errRef) {
CFDataRef subjectName = SecCertificateCopyNormalizedSubjectContent(cert, errRef);
if (*errRef != NULL) {
return false;
}
CFDataRef issuerName = SecCertificateCopyNormalizedIssuerContent(cert, errRef);
if (*errRef != NULL) {
CFRelease(subjectName);
return false;
}
Boolean equal = CFEqual(subjectName, issuerName);
CFRelease(subjectName);
CFRelease(issuerName);
return equal;
}
// CopyPEMRoots fetches the system's list of trusted X.509 root certificates
// for the kSecTrustSettingsPolicy SSL.
//
// On success it returns 0 and fills pemRoots with a CFDataRef that contains the extracted root
// certificates of the system. On failure, the function returns -1.
// Additionally, it fills untrustedPemRoots with certs that must be removed from pemRoots.
//
// Note: The CFDataRef returned in pemRoots and untrustedPemRoots must
// be released (using CFRelease) after we've consumed its content.
static int CopyPEMRoots(CFDataRef *pemRoots, CFDataRef *untrustedPemRoots, bool debugDarwinRoots) {
int i;
if (debugDarwinRoots) {
fprintf(stderr, "crypto/x509: kSecTrustSettingsResultInvalid = %d\n", kSecTrustSettingsResultInvalid);
fprintf(stderr, "crypto/x509: kSecTrustSettingsResultTrustRoot = %d\n", kSecTrustSettingsResultTrustRoot);
fprintf(stderr, "crypto/x509: kSecTrustSettingsResultTrustAsRoot = %d\n", kSecTrustSettingsResultTrustAsRoot);
fprintf(stderr, "crypto/x509: kSecTrustSettingsResultDeny = %d\n", kSecTrustSettingsResultDeny);
fprintf(stderr, "crypto/x509: kSecTrustSettingsResultUnspecified = %d\n", kSecTrustSettingsResultUnspecified);
}
// Get certificates from all domains, not just System, this lets
// the user add CAs to their "login" keychain, and Admins to add
// to the "System" keychain
SecTrustSettingsDomain domains[] = { kSecTrustSettingsDomainSystem,
kSecTrustSettingsDomainAdmin, kSecTrustSettingsDomainUser };
int numDomains = sizeof(domains)/sizeof(SecTrustSettingsDomain);
if (pemRoots == NULL || untrustedPemRoots == NULL) {
return -1;
}
CFMutableDataRef combinedData = CFDataCreateMutable(kCFAllocatorDefault, 0);
CFMutableDataRef combinedUntrustedData = CFDataCreateMutable(kCFAllocatorDefault, 0);
for (i = 0; i < numDomains; i++) {
int j;
CFArrayRef certs = NULL;
OSStatus err = SecTrustSettingsCopyCertificates(domains[i], &certs);
if (err != noErr) {
continue;
}
CFIndex numCerts = CFArrayGetCount(certs);
for (j = 0; j < numCerts; j++) {
SecCertificateRef cert = (SecCertificateRef)CFArrayGetValueAtIndex(certs, j);
if (cert == NULL) {
continue;
}
SInt32 result;
if (domains[i] == kSecTrustSettingsDomainSystem) {
// Certs found in the system domain are always trusted. If the user
// configures "Never Trust" on such a cert, it will also be found in the
// admin or user domain, causing it to be added to untrustedPemRoots. The
// Go code will then clean this up.
result = kSecTrustSettingsResultTrustRoot;
} else {
result = sslTrustSettingsResult(cert);
if (debugDarwinRoots) {
CFErrorRef errRef = NULL;
CFStringRef summary = SecCertificateCopyShortDescription(NULL, cert, &errRef);
if (errRef != NULL) {
fprintf(stderr, "crypto/x509: SecCertificateCopyShortDescription failed\n");
CFRelease(errRef);
continue;
}
CFIndex length = CFStringGetLength(summary);
CFIndex maxSize = CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8) + 1;
char *buffer = malloc(maxSize);
if (CFStringGetCString(summary, buffer, maxSize, kCFStringEncodingUTF8)) {
fprintf(stderr, "crypto/x509: %s returned %d\n", buffer, (int)result);
}
free(buffer);
CFRelease(summary);
}
}
CFMutableDataRef appendTo;
// > Note the distinction between the results kSecTrustSettingsResultTrustRoot
// > and kSecTrustSettingsResultTrustAsRoot: The former can only be applied to
// > root (self-signed) certificates; the latter can only be applied to
// > non-root certificates.
if (result == kSecTrustSettingsResultTrustRoot) {
CFErrorRef errRef = NULL;
if (!isRootCertificate(cert, &errRef) || errRef != NULL) {
if (errRef != NULL) CFRelease(errRef);
continue;
}
appendTo = combinedData;
} else if (result == kSecTrustSettingsResultTrustAsRoot) {
CFErrorRef errRef = NULL;
if (isRootCertificate(cert, &errRef) || errRef != NULL) {
if (errRef != NULL) CFRelease(errRef);
continue;
}
appendTo = combinedData;
} else if (result == kSecTrustSettingsResultDeny) {
appendTo = combinedUntrustedData;
} else if (result == kSecTrustSettingsResultUnspecified) {
// Certificates with unspecified trust should probably be added to a pool of
// intermediates for chain building, or checked for transitive trust and
// added to the root pool (which is an imprecise approximation because it
// cuts chains short) but we don't support either at the moment. TODO.
continue;
} else {
continue;
}
CFDataRef data = NULL;
err = SecItemExport(cert, kSecFormatX509Cert, kSecItemPemArmour, NULL, &data);
if (err != noErr) {
continue;
}
if (data != NULL) {
CFDataAppendBytes(appendTo, CFDataGetBytePtr(data), CFDataGetLength(data));
CFRelease(data);
}
}
CFRelease(certs);
}
*pemRoots = combinedData;
*untrustedPemRoots = combinedUntrustedData;
return 0;
}
*/
import "C"
import (
"errors"
"unsafe"
)
func loadSystemRoots() (*CertPool, error) {
var data, untrustedData C.CFDataRef
err := C.CopyPEMRoots(&data, &untrustedData, C.bool(debugDarwinRoots))
if err == -1 {
return nil, errors.New("crypto/x509: failed to load darwin system roots with cgo")
}
defer C.CFRelease(C.CFTypeRef(data))
defer C.CFRelease(C.CFTypeRef(untrustedData))
buf := C.GoBytes(unsafe.Pointer(C.CFDataGetBytePtr(data)), C.int(C.CFDataGetLength(data)))
roots := NewCertPool()
roots.AppendCertsFromPEM(buf)
if C.CFDataGetLength(untrustedData) == 0 {
return roots, nil
}
buf = C.GoBytes(unsafe.Pointer(C.CFDataGetBytePtr(untrustedData)), C.int(C.CFDataGetLength(untrustedData)))
untrustedRoots := NewCertPool()
untrustedRoots.AppendCertsFromPEM(buf)
trustedRoots := NewCertPool()
for i := 0; i < roots.len(); i++ {
c, err := roots.cert(i)
if err != nil {
return nil, err
}
contains, err := untrustedRoots.contains(c)
if err != nil {
return nil, err
}
if !contains {
trustedRoots.AddCert(c)
}
}
return trustedRoots, nil
}

288
tempfork/x509/root_darwin.go
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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:generate go run root_darwin_arm_gen.go -output root_darwin_armx.go
package x509
import (
"bufio"
"bytes"
"crypto/sha1"
"encoding/pem"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"sync"
)
var debugDarwinRoots = strings.Contains(os.Getenv("GODEBUG"), "x509roots=1")
func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) {
return nil, nil
}
// This code is only used when compiling without cgo.
// It is here, instead of root_nocgo_darwin.go, so that tests can check it
// even if the tests are run with cgo enabled.
// The linker will not include these unused functions in binaries built with cgo enabled.
// execSecurityRoots finds the macOS list of trusted root certificates
// using only command-line tools. This is our fallback path when cgo isn't available.
//
// The strategy is as follows:
//
// 1. Run "security trust-settings-export" and "security
// trust-settings-export -d" to discover the set of certs with some
// user-tweaked trust policy. We're too lazy to parse the XML
// (Issue 26830) to understand what the trust
// policy actually is. We just learn that there is _some_ policy.
//
// 2. Run "security find-certificate" to dump the list of system root
// CAs in PEM format.
//
// 3. For each dumped cert, conditionally verify it with "security
// verify-cert" if that cert was in the set discovered in Step 1.
// Without the Step 1 optimization, running "security verify-cert"
// 150-200 times takes 3.5 seconds. With the optimization, the
// whole process takes about 180 milliseconds with 1 untrusted root
// CA. (Compared to 110ms in the cgo path)
func execSecurityRoots() (*CertPool, error) {
hasPolicy, err := getCertsWithTrustPolicy()
if err != nil {
return nil, err
}
if debugDarwinRoots {
fmt.Fprintf(os.Stderr, "crypto/x509: %d certs have a trust policy\n", len(hasPolicy))
}
keychains := []string{"/Library/Keychains/System.keychain"}
// Note that this results in trusting roots from $HOME/... (the environment
// variable), which might not be expected.
home, err := os.UserHomeDir()
if err != nil {
if debugDarwinRoots {
fmt.Fprintf(os.Stderr, "crypto/x509: can't get user home directory: %v\n", err)
}
} else {
keychains = append(keychains,
filepath.Join(home, "/Library/Keychains/login.keychain"),
// Fresh installs of Sierra use a slightly different path for the login keychain
filepath.Join(home, "/Library/Keychains/login.keychain-db"),
)
}
type rootCandidate struct {
c *Certificate
system bool
}
var (
mu sync.Mutex
roots = NewCertPool()
numVerified int // number of execs of 'security verify-cert', for debug stats
wg sync.WaitGroup
verifyCh = make(chan rootCandidate)
)
// Using 4 goroutines to pipe into verify-cert seems to be
// about the best we can do. The verify-cert binary seems to
// just RPC to another server with coarse locking anyway, so
// running 16 at a time for instance doesn't help at all. Due
// to the "if hasPolicy" check below, though, we will rarely
// (or never) call verify-cert on stock macOS systems, though.
// The hope is that we only call verify-cert when the user has
// tweaked their trust policy. These 4 goroutines are only
// defensive in the pathological case of many trust edits.
for i := 0; i < 4; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for cert := range verifyCh {
sha1CapHex := fmt.Sprintf("%X", sha1.Sum(cert.c.Raw))
var valid bool
verifyChecks := 0
if hasPolicy[sha1CapHex] {
verifyChecks++
valid = verifyCertWithSystem(cert.c)
} else {
// Certificates not in SystemRootCertificates without user
// or admin trust settings are not trusted.
valid = cert.system
}
mu.Lock()
numVerified += verifyChecks
if valid {
roots.AddCert(cert.c)
}
mu.Unlock()
}
}()
}
err = forEachCertInKeychains(keychains, func(cert *Certificate) {
verifyCh <- rootCandidate{c: cert, system: false}
})
if err != nil {
close(verifyCh)
return nil, err
}
err = forEachCertInKeychains([]string{
"/System/Library/Keychains/SystemRootCertificates.keychain",
}, func(cert *Certificate) {
verifyCh <- rootCandidate{c: cert, system: true}
})
if err != nil {
close(verifyCh)
return nil, err
}
close(verifyCh)
wg.Wait()
if debugDarwinRoots {
fmt.Fprintf(os.Stderr, "crypto/x509: ran security verify-cert %d times\n", numVerified)
}
return roots, nil
}
func forEachCertInKeychains(paths []string, f func(*Certificate)) error {
args := append([]string{"find-certificate", "-a", "-p"}, paths...)
cmd := exec.Command("/usr/bin/security", args...)
data, err := cmd.Output()
if err != nil {
return err
}
for len(data) > 0 {
var block *pem.Block
block, data = pem.Decode(data)
if block == nil {
break
}
if block.Type != "CERTIFICATE" || len(block.Headers) != 0 {
continue
}
cert, err := ParseCertificate(block.Bytes)
if err != nil {
continue
}
f(cert)
}
return nil
}
func verifyCertWithSystem(cert *Certificate) bool {
data := pem.EncodeToMemory(&pem.Block{
Type: "CERTIFICATE", Bytes: cert.Raw,
})
f, err := ioutil.TempFile("", "cert")
if err != nil {
fmt.Fprintf(os.Stderr, "can't create temporary file for cert: %v", err)
return false
}
defer os.Remove(f.Name())
if _, err := f.Write(data); err != nil {
fmt.Fprintf(os.Stderr, "can't write temporary file for cert: %v", err)
return false
}
if err := f.Close(); err != nil {
fmt.Fprintf(os.Stderr, "can't write temporary file for cert: %v", err)
return false
}
cmd := exec.Command("/usr/bin/security", "verify-cert", "-p", "ssl", "-c", f.Name(), "-l", "-L")
var stderr bytes.Buffer
if debugDarwinRoots {
cmd.Stderr = &stderr
}
if err := cmd.Run(); err != nil {
if debugDarwinRoots {
fmt.Fprintf(os.Stderr, "crypto/x509: verify-cert rejected %s: %q\n", cert.Subject, bytes.TrimSpace(stderr.Bytes()))
}
return false
}
if debugDarwinRoots {
fmt.Fprintf(os.Stderr, "crypto/x509: verify-cert approved %s\n", cert.Subject)
}
return true
}
// getCertsWithTrustPolicy returns the set of certs that have a
// possibly-altered trust policy. The keys of the map are capitalized
// sha1 hex of the raw cert.
// They are the certs that should be checked against `security
// verify-cert` to see whether the user altered the default trust
// settings. This code is only used for cgo-disabled builds.
func getCertsWithTrustPolicy() (map[string]bool, error) {
set := map[string]bool{}
td, err := ioutil.TempDir("", "x509trustpolicy")
if err != nil {
return nil, err
}
defer os.RemoveAll(td)
run := func(file string, args ...string) error {
file = filepath.Join(td, file)
args = append(args, file)
cmd := exec.Command("/usr/bin/security", args...)
var stderr bytes.Buffer
cmd.Stderr = &stderr
if err := cmd.Run(); err != nil {
// If there are no trust settings, the
// `security trust-settings-export` command
// fails with:
// exit status 1, SecTrustSettingsCreateExternalRepresentation: No Trust Settings were found.
// Rather than match on English substrings that are probably
// localized on macOS, just interpret any failure to mean that
// there are no trust settings.
if debugDarwinRoots {
fmt.Fprintf(os.Stderr, "crypto/x509: exec %q: %v, %s\n", cmd.Args, err, stderr.Bytes())
}
return nil
}
f, err := os.Open(file)
if err != nil {
return err
}
defer f.Close()
// Gather all the runs of 40 capitalized hex characters.
br := bufio.NewReader(f)
var hexBuf bytes.Buffer
for {
b, err := br.ReadByte()
isHex := ('A' <= b && b <= 'F') || ('0' <= b && b <= '9')
if isHex {
hexBuf.WriteByte(b)
} else {
if hexBuf.Len() == 40 {
set[hexBuf.String()] = true
}
hexBuf.Reset()
}
if err == io.EOF {
break
}
if err != nil {
return err
}
}
return nil
}
if err := run("user", "trust-settings-export"); err != nil {
return nil, fmt.Errorf("dump-trust-settings (user): %v", err)
}
if err := run("admin", "trust-settings-export", "-d"); err != nil {
return nil, fmt.Errorf("dump-trust-settings (admin): %v", err)
}
return set, nil
}

176
tempfork/x509/root_darwin_arm64.go
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109
tempfork/x509/root_darwin_arm_gen.go
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// Generates root_darwin_arm64.go.
//
// As of iOS 8, there is no API for querying the system trusted X.509 root
// certificates. We could use SecTrustEvaluate to verify that a trust chain
// exists for a certificate, but the x509 API requires returning the entire
// chain.
//
// Apple publishes the list of trusted root certificates for iOS on
// support.apple.com. So we parse the list and extract the certificates from
// an OS X machine and embed them into the x509 package.
package main
import (
"bytes"
"compress/gzip"
"crypto/x509"
"encoding/pem"
"flag"
"fmt"
"go/format"
"io/ioutil"
"log"
)
var output = flag.String("output", "root_darwin_arm64.go", "file name to write")
func main() {
certs, err := selectCerts()
if err != nil {
log.Fatal(err)
}
buf := new(bytes.Buffer)
fmt.Fprintf(buf, "// Code generated by root_darwin_arm_gen --output %s; DO NOT EDIT.\n", *output)
fmt.Fprintf(buf, "%s", header)
for _, cert := range certs {
gzbuf := new(bytes.Buffer)
zw, err := gzip.NewWriterLevel(gzbuf, gzip.BestCompression)
if err != nil {
log.Fatal(err)
}
if _, err := zw.Write(cert.Raw); err != nil {
log.Fatal(err)
}
if err := zw.Close(); err != nil {
log.Fatal(err)
}
fmt.Fprintf(buf, "p.addCertFuncNotDup(%q, %q, certUncompressor(%q))\n",
cert.RawSubject,
cert.SubjectKeyId,
gzbuf.Bytes())
}
fmt.Fprintf(buf, "%s", footer)
source, err := format.Source(buf.Bytes())
if err != nil {
log.Fatal("source format error:", err)
}
if err := ioutil.WriteFile(*output, source, 0644); err != nil {
log.Fatal(err)
}
}
func selectCerts() (certs []*x509.Certificate, err error) {
pemCerts, err := ioutil.ReadFile("certs.pem")
if err != nil {
return nil, err
}
for len(pemCerts) > 0 {
var block *pem.Block
block, pemCerts = pem.Decode(pemCerts)
if block == nil {
break
}
if block.Type != "CERTIFICATE" || len(block.Headers) != 0 {
continue
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return nil, err
}
certs = append(certs, cert)
}
return certs, nil
}
const header = `
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
func loadSystemRoots() (*CertPool, error) {
p := NewCertPool()
`
const footer = `
return p, nil
}
`

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tempfork/x509/root_darwin_test.go
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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"crypto/rsa"
"os"
"os/exec"
"path/filepath"
"runtime"
"testing"
"time"
)
func TestSystemRoots(t *testing.T) {
switch runtime.GOARCH {
case "arm64":
t.Skipf("skipping on %s/%s, no system root", runtime.GOOS, runtime.GOARCH)
}
t0 := time.Now()
sysRoots := systemRootsPool() // actual system roots
sysRootsDuration := time.Since(t0)
t1 := time.Now()
execRoots, err := execSecurityRoots() // non-cgo roots
execSysRootsDuration := time.Since(t1)
if err != nil {
t.Fatalf("failed to read system roots: %v", err)
}
t.Logf(" cgo sys roots: %v", sysRootsDuration)
t.Logf("non-cgo sys roots: %v", execSysRootsDuration)
// On Mavericks, there are 212 bundled certs, at least there was at
// one point in time on one machine. (Maybe it was a corp laptop
// with extra certs?) Other OS X users report 135, 142, 145...
// Let's try requiring at least 100, since this is just a sanity
// check.
if want, have := 100, sysRoots.len(); have < want {
t.Errorf("want at least %d system roots, have %d", want, have)
}
// Fetch any intermediate certificate that verify-cert might be aware of.
out, err := exec.Command("/usr/bin/security", "find-certificate", "-a", "-p",
"/Library/Keychains/System.keychain",
filepath.Join(os.Getenv("HOME"), "/Library/Keychains/login.keychain"),
filepath.Join(os.Getenv("HOME"), "/Library/Keychains/login.keychain-db")).Output()
if err != nil {
t.Fatal(err)
}
allCerts := NewCertPool()
allCerts.AppendCertsFromPEM(out)
// Check that the two cert pools are the same.
sysPool := make(map[string]*Certificate, sysRoots.len())
for i := 0; i < sysRoots.len(); i++ {
c := sysRoots.mustCert(i)
sysPool[string(c.Raw)] = c
}
for i := 0; i < execRoots.len(); i++ {
c := execRoots.mustCert(i)
if _, ok := sysPool[string(c.Raw)]; ok {
delete(sysPool, string(c.Raw))
} else {
// verify-cert lets in certificates that are not trusted roots, but
// are signed by trusted roots. This is not great, but unavoidable
// until we parse real policies without cgo, so confirm that's the
// case and skip them.
if _, err := c.Verify(VerifyOptions{
Roots: sysRoots,
Intermediates: allCerts,
KeyUsages: []ExtKeyUsage{ExtKeyUsageAny},
CurrentTime: c.NotBefore, // verify-cert does not check expiration
}); err != nil {
t.Errorf("certificate only present in non-cgo pool: %v (verify error: %v)", c.Subject, err)
} else {
t.Logf("signed certificate only present in non-cgo pool (acceptable): %v", c.Subject)
}
}
}
for _, c := range sysPool {
// The nocgo codepath uses verify-cert with the ssl policy, which also
// happens to check EKUs, so some certificates will appear only in the
// cgo pool. We can't easily make them consistent because the EKU check
// is only applied to the certificates passed to verify-cert.
var ekuOk bool
for _, eku := range c.ExtKeyUsage {
if eku == ExtKeyUsageServerAuth || eku == ExtKeyUsageNetscapeServerGatedCrypto ||
eku == ExtKeyUsageMicrosoftServerGatedCrypto || eku == ExtKeyUsageAny {
ekuOk = true
}
}
if len(c.ExtKeyUsage) == 0 && len(c.UnknownExtKeyUsage) == 0 {
ekuOk = true
}
if !ekuOk {
t.Logf("off-EKU certificate only present in cgo pool (acceptable): %v", c.Subject)
continue
}
// Same for expired certificates. We don't chain to them anyway.
now := time.Now()
if now.Before(c.NotBefore) || now.After(c.NotAfter) {
t.Logf("expired certificate only present in cgo pool (acceptable): %v", c.Subject)
continue
}
// On 10.11 there are five unexplained roots that only show up from the
// C API. They have in common the fact that they are old, 1024-bit
// certificates. It's arguably better to ignore them anyway.
if key, ok := c.PublicKey.(*rsa.PublicKey); ok && key.N.BitLen() == 1024 {
t.Logf("1024-bit certificate only present in cgo pool (acceptable): %v", c.Subject)
continue
}
t.Errorf("certificate only present in cgo pool: %v", c.Subject)
}
if t.Failed() && debugDarwinRoots {
cmd := exec.Command("security", "dump-trust-settings")
cmd.Stdout, cmd.Stderr = os.Stderr, os.Stderr
cmd.Run()
cmd = exec.Command("security", "dump-trust-settings", "-d")
cmd.Stdout, cmd.Stderr = os.Stderr, os.Stderr
cmd.Run()
}
}

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tempfork/x509/root_js.go
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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build js,wasm
package x509
// Possible certificate files; stop after finding one.
var certFiles = []string{}

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tempfork/x509/root_linux.go
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
// Possible certificate files; stop after finding one.
var certFiles = []string{
"/etc/ssl/certs/ca-certificates.crt", // Debian/Ubuntu/Gentoo etc.
"/etc/pki/tls/certs/ca-bundle.crt", // Fedora/RHEL 6
"/etc/ssl/ca-bundle.pem", // OpenSUSE
"/etc/pki/tls/cacert.pem", // OpenELEC
"/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem", // CentOS/RHEL 7
"/etc/ssl/cert.pem", // Alpine Linux
}

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tempfork/x509/root_nocgo_darwin.go
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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !cgo,!arm64
package x509
func loadSystemRoots() (*CertPool, error) {
return execSecurityRoots()
}

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tempfork/x509/root_plan9.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build plan9
package x509
import (
"io/ioutil"
"os"
)
// Possible certificate files; stop after finding one.
var certFiles = []string{
"/sys/lib/tls/ca.pem",
}
func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) {
return nil, nil
}
func loadSystemRoots() (*CertPool, error) {
roots := NewCertPool()
var bestErr error
for _, file := range certFiles {
data, err := ioutil.ReadFile(file)
if err == nil {
roots.AppendCertsFromPEM(data)
return roots, nil
}
if bestErr == nil || (os.IsNotExist(bestErr) && !os.IsNotExist(err)) {
bestErr = err
}
}
if bestErr == nil {
return roots, nil
}
return nil, bestErr
}

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tempfork/x509/root_solaris.go
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
// Possible certificate files; stop after finding one.
var certFiles = []string{
"/etc/certs/ca-certificates.crt", // Solaris 11.2+
"/etc/ssl/certs/ca-certificates.crt", // Joyent SmartOS
"/etc/ssl/cacert.pem", // OmniOS
}

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tempfork/x509/root_unix.go
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build aix dragonfly freebsd js,wasm linux netbsd openbsd solaris
package x509
import (
"io/ioutil"
"os"
"strings"
)
// Possible directories with certificate files; stop after successfully
// reading at least one file from a directory.
var certDirectories = []string{
"/etc/ssl/certs", // SLES10/SLES11, https://golang.org/issue/12139
"/system/etc/security/cacerts", // Android
"/usr/local/share/certs", // FreeBSD
"/etc/pki/tls/certs", // Fedora/RHEL
"/etc/openssl/certs", // NetBSD
"/var/ssl/certs", // AIX
}
const (
// certFileEnv is the environment variable which identifies where to locate
// the SSL certificate file. If set this overrides the system default.
certFileEnv = "SSL_CERT_FILE"
// certDirEnv is the environment variable which identifies which directory
// to check for SSL certificate files. If set this overrides the system default.
// It is a colon separated list of directories.
// See https://www.openssl.org/docs/man1.0.2/man1/c_rehash.html.
certDirEnv = "SSL_CERT_DIR"
)
func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) {
return nil, nil
}
func loadSystemRoots() (*CertPool, error) {
roots := NewCertPool()
files := certFiles
if f := os.Getenv(certFileEnv); f != "" {
files = []string{f}
}
var firstErr error
for _, file := range files {
data, err := ioutil.ReadFile(file)
if err == nil {
roots.AppendCertsFromPEM(data)
break
}
if firstErr == nil && !os.IsNotExist(err) {
firstErr = err
}
}
dirs := certDirectories
if d := os.Getenv(certDirEnv); d != "" {
// OpenSSL and BoringSSL both use ":" as the SSL_CERT_DIR separator.
// See:
// * https://golang.org/issue/35325
// * https://www.openssl.org/docs/man1.0.2/man1/c_rehash.html
dirs = strings.Split(d, ":")
}
for _, directory := range dirs {
fis, err := ioutil.ReadDir(directory)
if err != nil {
if firstErr == nil && !os.IsNotExist(err) {
firstErr = err
}
continue
}
for _, fi := range fis {
data, err := ioutil.ReadFile(directory + "/" + fi.Name())
if err == nil {
roots.AppendCertsFromPEM(data)
}
}
}
if roots.len() > 0 || firstErr == nil {
return roots, nil
}
return nil, firstErr
}

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tempfork/x509/root_unix_test.go
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build dragonfly freebsd linux netbsd openbsd solaris
package x509
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
)
const (
testDir = "testdata"
testDirCN = "test-dir"
testFile = "test-file.crt"
testFileCN = "test-file"
testMissing = "missing"
)
func TestEnvVars(t *testing.T) {
testCases := []struct {
name string
fileEnv string
dirEnv string
files []string
dirs []string
cns []string
}{
{
// Environment variables override the default locations preventing fall through.
name: "override-defaults",
fileEnv: testMissing,
dirEnv: testMissing,
files: []string{testFile},
dirs: []string{testDir},
cns: nil,
},
{
// File environment overrides default file locations.
name: "file",
fileEnv: testFile,
dirEnv: "",
files: nil,
dirs: nil,
cns: []string{testFileCN},
},
{
// Directory environment overrides default directory locations.
name: "dir",
fileEnv: "",
dirEnv: testDir,
files: nil,
dirs: nil,
cns: []string{testDirCN},
},
{
// File & directory environment overrides both default locations.
name: "file+dir",
fileEnv: testFile,
dirEnv: testDir,
files: nil,
dirs: nil,
cns: []string{testFileCN, testDirCN},
},
{
// Environment variable empty / unset uses default locations.
name: "empty-fall-through",
fileEnv: "",
dirEnv: "",
files: []string{testFile},
dirs: []string{testDir},
cns: []string{testFileCN, testDirCN},
},
}
// Save old settings so we can restore before the test ends.
origCertFiles, origCertDirectories := certFiles, certDirectories
origFile, origDir := os.Getenv(certFileEnv), os.Getenv(certDirEnv)
defer func() {
certFiles = origCertFiles
certDirectories = origCertDirectories
os.Setenv(certFileEnv, origFile)
os.Setenv(certDirEnv, origDir)
}()
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
if err := os.Setenv(certFileEnv, tc.fileEnv); err != nil {
t.Fatalf("setenv %q failed: %v", certFileEnv, err)
}
if err := os.Setenv(certDirEnv, tc.dirEnv); err != nil {
t.Fatalf("setenv %q failed: %v", certDirEnv, err)
}
certFiles, certDirectories = tc.files, tc.dirs
r, err := loadSystemRoots()
if err != nil {
t.Fatal("unexpected failure:", err)
}
if r == nil {
t.Fatal("nil roots")
}
// Verify that the returned certs match, otherwise report where the mismatch is.
for i, cn := range tc.cns {
if i >= r.len() {
t.Errorf("missing cert %v @ %v", cn, i)
} else if r.mustCert(i).Subject.CommonName != cn {
fmt.Printf("%#v\n", r.mustCert(0).Subject)
t.Errorf("unexpected cert common name %q, want %q", r.mustCert(i).Subject.CommonName, cn)
}
}
if r.len() > len(tc.cns) {
t.Errorf("got %v certs, which is more than %v wanted", r.len(), len(tc.cns))
}
})
}
}
// Ensure that "SSL_CERT_DIR" when used as the environment
// variable delimited by colons, allows loadSystemRoots to
// load all the roots from the respective directories.
// See https://golang.org/issue/35325.
func TestLoadSystemCertsLoadColonSeparatedDirs(t *testing.T) {
origFile, origDir := os.Getenv(certFileEnv), os.Getenv(certDirEnv)
origCertFiles := certFiles[:]
// To prevent any other certs from being loaded in
// through "SSL_CERT_FILE" or from known "certFiles",
// clear them all, and they'll be reverting on defer.
certFiles = certFiles[:0]
os.Setenv(certFileEnv, "")
defer func() {
certFiles = origCertFiles[:]
os.Setenv(certDirEnv, origDir)
os.Setenv(certFileEnv, origFile)
}()
tmpDir, err := ioutil.TempDir(os.TempDir(), "x509-issue35325")
if err != nil {
t.Fatalf("Failed to create temporary directory: %v", err)
}
defer os.RemoveAll(tmpDir)
rootPEMs := []string{
geoTrustRoot,
googleLeaf,
startComRoot,
}
var certDirs []string
for i, certPEM := range rootPEMs {
certDir := filepath.Join(tmpDir, fmt.Sprintf("cert-%d", i))
if err := os.MkdirAll(certDir, 0755); err != nil {
t.Fatalf("Failed to create certificate dir: %v", err)
}
certOutFile := filepath.Join(certDir, "cert.crt")
if err := ioutil.WriteFile(certOutFile, []byte(certPEM), 0655); err != nil {
t.Fatalf("Failed to write certificate to file: %v", err)
}
certDirs = append(certDirs, certDir)
}
// Sanity check: the number of certDirs should be equal to the number of roots.
if g, w := len(certDirs), len(rootPEMs); g != w {
t.Fatalf("Failed sanity check: len(certsDir)=%d is not equal to len(rootsPEMS)=%d", g, w)
}
// Now finally concatenate them with a colon.
colonConcatCertDirs := strings.Join(certDirs, ":")
os.Setenv(certDirEnv, colonConcatCertDirs)
gotPool, err := loadSystemRoots()
if err != nil {
t.Fatalf("Failed to load system roots: %v", err)
}
subjects := gotPool.Subjects()
// We expect exactly len(rootPEMs) subjects back.
if g, w := len(subjects), len(rootPEMs); g != w {
t.Fatalf("Invalid number of subjects: got %d want %d", g, w)
}
wantPool := NewCertPool()
for _, certPEM := range rootPEMs {
wantPool.AppendCertsFromPEM([]byte(certPEM))
}
strCertPool := func(p *CertPool) string {
return string(bytes.Join(p.Subjects(), []byte("\n")))
}
zeroPoolFuncs(gotPool)
zeroPoolFuncs(wantPool)
if !reflect.DeepEqual(gotPool, wantPool) {
g, w := strCertPool(gotPool), strCertPool(wantPool)
t.Fatalf("Mismatched certPools\nGot:\n%s\n\nWant:\n%s", g, w)
}
}

290
tempfork/x509/root_windows.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"errors"
"syscall"
"unsafe"
)
// Creates a new *syscall.CertContext representing the leaf certificate in an in-memory
// certificate store containing itself and all of the intermediate certificates specified
// in the opts.Intermediates CertPool.
//
// A pointer to the in-memory store is available in the returned CertContext's Store field.
// The store is automatically freed when the CertContext is freed using
// syscall.CertFreeCertificateContext.
func createStoreContext(leaf *Certificate, opts *VerifyOptions) (*syscall.CertContext, error) {
var storeCtx *syscall.CertContext
leafCtx, err := syscall.CertCreateCertificateContext(syscall.X509_ASN_ENCODING|syscall.PKCS_7_ASN_ENCODING, &leaf.Raw[0], uint32(len(leaf.Raw)))
if err != nil {
return nil, err
}
defer syscall.CertFreeCertificateContext(leafCtx)
handle, err := syscall.CertOpenStore(syscall.CERT_STORE_PROV_MEMORY, 0, 0, syscall.CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG, 0)
if err != nil {
return nil, err
}
defer syscall.CertCloseStore(handle, 0)
err = syscall.CertAddCertificateContextToStore(handle, leafCtx, syscall.CERT_STORE_ADD_ALWAYS, &storeCtx)
if err != nil {
return nil, err
}
if opts.Intermediates != nil {
for i := 0; i < opts.Intermediates.len(); i++ {
intermediate, err := opts.Intermediates.cert(i)
if err != nil {
return nil, err
}
ctx, err := syscall.CertCreateCertificateContext(syscall.X509_ASN_ENCODING|syscall.PKCS_7_ASN_ENCODING, &intermediate.Raw[0], uint32(len(intermediate.Raw)))
if err != nil {
return nil, err
}
err = syscall.CertAddCertificateContextToStore(handle, ctx, syscall.CERT_STORE_ADD_ALWAYS, nil)
syscall.CertFreeCertificateContext(ctx)
if err != nil {
return nil, err
}
}
}
return storeCtx, nil
}
// extractSimpleChain extracts the final certificate chain from a CertSimpleChain.
func extractSimpleChain(simpleChain **syscall.CertSimpleChain, count int) (chain []*Certificate, err error) {
if simpleChain == nil || count == 0 {
return nil, errors.New("x509: invalid simple chain")
}
simpleChains := (*[1 << 20]*syscall.CertSimpleChain)(unsafe.Pointer(simpleChain))[:count:count]
lastChain := simpleChains[count-1]
elements := (*[1 << 20]*syscall.CertChainElement)(unsafe.Pointer(lastChain.Elements))[:lastChain.NumElements:lastChain.NumElements]
for i := 0; i < int(lastChain.NumElements); i++ {
// Copy the buf, since ParseCertificate does not create its own copy.
cert := elements[i].CertContext
encodedCert := (*[1 << 20]byte)(unsafe.Pointer(cert.EncodedCert))[:cert.Length:cert.Length]
buf := make([]byte, cert.Length)
copy(buf, encodedCert)
parsedCert, err := ParseCertificate(buf)
if err != nil {
return nil, err
}
chain = append(chain, parsedCert)
}
return chain, nil
}
// checkChainTrustStatus checks the trust status of the certificate chain, translating
// any errors it finds into Go errors in the process.
func checkChainTrustStatus(c *Certificate, chainCtx *syscall.CertChainContext) error {
if chainCtx.TrustStatus.ErrorStatus != syscall.CERT_TRUST_NO_ERROR {
status := chainCtx.TrustStatus.ErrorStatus
switch status {
case syscall.CERT_TRUST_IS_NOT_TIME_VALID:
return CertificateInvalidError{c, Expired, ""}
default:
return UnknownAuthorityError{c, nil, nil}
}
}
return nil
}
// checkChainSSLServerPolicy checks that the certificate chain in chainCtx is valid for
// use as a certificate chain for a SSL/TLS server.
func checkChainSSLServerPolicy(c *Certificate, chainCtx *syscall.CertChainContext, opts *VerifyOptions) error {
servernamep, err := syscall.UTF16PtrFromString(opts.DNSName)
if err != nil {
return err
}
sslPara := &syscall.SSLExtraCertChainPolicyPara{
AuthType: syscall.AUTHTYPE_SERVER,
ServerName: servernamep,
}
sslPara.Size = uint32(unsafe.Sizeof(*sslPara))
para := &syscall.CertChainPolicyPara{
ExtraPolicyPara: (syscall.Pointer)(unsafe.Pointer(sslPara)),
}
para.Size = uint32(unsafe.Sizeof(*para))
status := syscall.CertChainPolicyStatus{}
err = syscall.CertVerifyCertificateChainPolicy(syscall.CERT_CHAIN_POLICY_SSL, chainCtx, para, &status)
if err != nil {
return err
}
// TODO(mkrautz): use the lChainIndex and lElementIndex fields
// of the CertChainPolicyStatus to provide proper context, instead
// using c.
if status.Error != 0 {
switch status.Error {
case syscall.CERT_E_EXPIRED:
return CertificateInvalidError{c, Expired, ""}
case syscall.CERT_E_CN_NO_MATCH:
return HostnameError{c, opts.DNSName}
case syscall.CERT_E_UNTRUSTEDROOT:
return UnknownAuthorityError{c, nil, nil}
default:
return UnknownAuthorityError{c, nil, nil}
}
}
return nil
}
// systemVerify is like Verify, except that it uses CryptoAPI calls
// to build certificate chains and verify them.
func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) {
hasDNSName := opts != nil && len(opts.DNSName) > 0
storeCtx, err := createStoreContext(c, opts)
if err != nil {
return nil, err
}
defer syscall.CertFreeCertificateContext(storeCtx)
para := new(syscall.CertChainPara)
para.Size = uint32(unsafe.Sizeof(*para))
// If there's a DNSName set in opts, assume we're verifying
// a certificate from a TLS server.
if hasDNSName {
oids := []*byte{
&syscall.OID_PKIX_KP_SERVER_AUTH[0],
// Both IE and Chrome allow certificates with
// Server Gated Crypto as well. Some certificates
// in the wild require them.
&syscall.OID_SERVER_GATED_CRYPTO[0],
&syscall.OID_SGC_NETSCAPE[0],
}
para.RequestedUsage.Type = syscall.USAGE_MATCH_TYPE_OR
para.RequestedUsage.Usage.Length = uint32(len(oids))
para.RequestedUsage.Usage.UsageIdentifiers = &oids[0]
} else {
para.RequestedUsage.Type = syscall.USAGE_MATCH_TYPE_AND
para.RequestedUsage.Usage.Length = 0
para.RequestedUsage.Usage.UsageIdentifiers = nil
}
var verifyTime *syscall.Filetime
if opts != nil && !opts.CurrentTime.IsZero() {
ft := syscall.NsecToFiletime(opts.CurrentTime.UnixNano())
verifyTime = &ft
}
// CertGetCertificateChain will traverse Windows's root stores
// in an attempt to build a verified certificate chain. Once
// it has found a verified chain, it stops. MSDN docs on
// CERT_CHAIN_CONTEXT:
//
// When a CERT_CHAIN_CONTEXT is built, the first simple chain
// begins with an end certificate and ends with a self-signed
// certificate. If that self-signed certificate is not a root
// or otherwise trusted certificate, an attempt is made to
// build a new chain. CTLs are used to create the new chain
// beginning with the self-signed certificate from the original
// chain as the end certificate of the new chain. This process
// continues building additional simple chains until the first
// self-signed certificate is a trusted certificate or until
// an additional simple chain cannot be built.
//
// The result is that we'll only get a single trusted chain to
// return to our caller.
var chainCtx *syscall.CertChainContext
err = syscall.CertGetCertificateChain(syscall.Handle(0), storeCtx, verifyTime, storeCtx.Store, para, 0, 0, &chainCtx)
if err != nil {
return nil, err
}
defer syscall.CertFreeCertificateChain(chainCtx)
err = checkChainTrustStatus(c, chainCtx)
if err != nil {
return nil, err
}
if hasDNSName {
err = checkChainSSLServerPolicy(c, chainCtx, opts)
if err != nil {
return nil, err
}
}
chain, err := extractSimpleChain(chainCtx.Chains, int(chainCtx.ChainCount))
if err != nil {
return nil, err
}
if len(chain) < 1 {
return nil, errors.New("x509: internal error: system verifier returned an empty chain")
}
// Mitigate CVE-2020-0601, where the Windows system verifier might be
// tricked into using custom curve parameters for a trusted root, by
// double-checking all ECDSA signatures. If the system was tricked into
// using spoofed parameters, the signature will be invalid for the correct
// ones we parsed. (We don't support custom curves ourselves.)
for i, parent := range chain[1:] {
if parent.PublicKeyAlgorithm != ECDSA {
continue
}
if err := parent.CheckSignature(chain[i].SignatureAlgorithm,
chain[i].RawTBSCertificate, chain[i].Signature); err != nil {
return nil, err
}
}
return [][]*Certificate{chain}, nil
}
func loadSystemRoots() (*CertPool, error) {
// TODO: restore this functionality on Windows. We tried to do
// it in Go 1.8 but had to revert it. See Issue 18609.
// Returning (nil, nil) was the old behavior, prior to CL 30578.
// The if statement here avoids vet complaining about
// unreachable code below.
if true {
return nil, nil
}
const CRYPT_E_NOT_FOUND = 0x80092004
store, err := syscall.CertOpenSystemStore(0, syscall.StringToUTF16Ptr("ROOT"))
if err != nil {
return nil, err
}
defer syscall.CertCloseStore(store, 0)
roots := NewCertPool()
var cert *syscall.CertContext
for {
cert, err = syscall.CertEnumCertificatesInStore(store, cert)
if err != nil {
if errno, ok := err.(syscall.Errno); ok {
if errno == CRYPT_E_NOT_FOUND {
break
}
}
return nil, err
}
if cert == nil {
break
}
// Copy the buf, since ParseCertificate does not create its own copy.
buf := (*[1 << 20]byte)(unsafe.Pointer(cert.EncodedCert))[:cert.Length:cert.Length]
buf2 := make([]byte, cert.Length)
copy(buf2, buf)
if c, err := ParseCertificate(buf2); err == nil {
roots.AddCert(c)
}
}
return roots, nil
}

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tempfork/x509/sec1.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"crypto/ecdsa"
"crypto/elliptic"
"encoding/asn1"
"errors"
"fmt"
"math/big"
)
const ecPrivKeyVersion = 1
// ecPrivateKey reflects an ASN.1 Elliptic Curve Private Key Structure.
// References:
// RFC 5915
// SEC1 - http://www.secg.org/sec1-v2.pdf
// Per RFC 5915 the NamedCurveOID is marked as ASN.1 OPTIONAL, however in
// most cases it is not.
type ecPrivateKey struct {
Version int
PrivateKey []byte
NamedCurveOID asn1.ObjectIdentifier `asn1:"optional,explicit,tag:0"`
PublicKey asn1.BitString `asn1:"optional,explicit,tag:1"`
}
// ParseECPrivateKey parses an EC private key in SEC 1, ASN.1 DER form.
//
// This kind of key is commonly encoded in PEM blocks of type "EC PRIVATE KEY".
func ParseECPrivateKey(der []byte) (*ecdsa.PrivateKey, error) {
return parseECPrivateKey(nil, der)
}
// MarshalECPrivateKey converts an EC private key to SEC 1, ASN.1 DER form.
//
// This kind of key is commonly encoded in PEM blocks of type "EC PRIVATE KEY".
// For a more flexible key format which is not EC specific, use
// MarshalPKCS8PrivateKey.
func MarshalECPrivateKey(key *ecdsa.PrivateKey) ([]byte, error) {
oid, ok := oidFromNamedCurve(key.Curve)
if !ok {
return nil, errors.New("x509: unknown elliptic curve")
}
return marshalECPrivateKeyWithOID(key, oid)
}
// marshalECPrivateKey marshals an EC private key into ASN.1, DER format and
// sets the curve ID to the given OID, or omits it if OID is nil.
func marshalECPrivateKeyWithOID(key *ecdsa.PrivateKey, oid asn1.ObjectIdentifier) ([]byte, error) {
privateKeyBytes := key.D.Bytes()
paddedPrivateKey := make([]byte, (key.Curve.Params().N.BitLen()+7)/8)
copy(paddedPrivateKey[len(paddedPrivateKey)-len(privateKeyBytes):], privateKeyBytes)
return asn1.Marshal(ecPrivateKey{
Version: 1,
PrivateKey: paddedPrivateKey,
NamedCurveOID: oid,
PublicKey: asn1.BitString{Bytes: elliptic.Marshal(key.Curve, key.X, key.Y)},
})
}
// parseECPrivateKey parses an ASN.1 Elliptic Curve Private Key Structure.
// The OID for the named curve may be provided from another source (such as
// the PKCS8 container) - if it is provided then use this instead of the OID
// that may exist in the EC private key structure.
func parseECPrivateKey(namedCurveOID *asn1.ObjectIdentifier, der []byte) (key *ecdsa.PrivateKey, err error) {
var privKey ecPrivateKey
if _, err := asn1.Unmarshal(der, &privKey); err != nil {
if _, err := asn1.Unmarshal(der, &pkcs8{}); err == nil {
return nil, errors.New("x509: failed to parse private key (use ParsePKCS8PrivateKey instead for this key format)")
}
if _, err := asn1.Unmarshal(der, &pkcs1PrivateKey{}); err == nil {
return nil, errors.New("x509: failed to parse private key (use ParsePKCS1PrivateKey instead for this key format)")
}
return nil, errors.New("x509: failed to parse EC private key: " + err.Error())
}
if privKey.Version != ecPrivKeyVersion {
return nil, fmt.Errorf("x509: unknown EC private key version %d", privKey.Version)
}
var curve elliptic.Curve
if namedCurveOID != nil {
curve = namedCurveFromOID(*namedCurveOID)
} else {
curve = namedCurveFromOID(privKey.NamedCurveOID)
}
if curve == nil {
return nil, errors.New("x509: unknown elliptic curve")
}
k := new(big.Int).SetBytes(privKey.PrivateKey)
curveOrder := curve.Params().N
if k.Cmp(curveOrder) >= 0 {
return nil, errors.New("x509: invalid elliptic curve private key value")
}
priv := new(ecdsa.PrivateKey)
priv.Curve = curve
priv.D = k
privateKey := make([]byte, (curveOrder.BitLen()+7)/8)
// Some private keys have leading zero padding. This is invalid
// according to [SEC1], but this code will ignore it.
for len(privKey.PrivateKey) > len(privateKey) {
if privKey.PrivateKey[0] != 0 {
return nil, errors.New("x509: invalid private key length")
}
privKey.PrivateKey = privKey.PrivateKey[1:]
}
// Some private keys remove all leading zeros, this is also invalid
// according to [SEC1] but since OpenSSL used to do this, we ignore
// this too.
copy(privateKey[len(privateKey)-len(privKey.PrivateKey):], privKey.PrivateKey)
priv.X, priv.Y = curve.ScalarBaseMult(privateKey)
return priv, nil
}

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tempfork/x509/sec1_test.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package x509
import (
"bytes"
"encoding/hex"
"strings"
"testing"
)
var ecKeyTests = []struct {
derHex string
shouldReserialize bool
}{
// Generated using:
// openssl ecparam -genkey -name secp384r1 -outform PEM
{"3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50", true},
// This key was generated by GnuTLS and has illegal zero-padding of the
// private key. See https://golang.org/issues/13699.
{"3078020101042100f9f43a04b9bdc3ab01f53be6df80e7a7bc3eaf7b87fc24e630a4a0aa97633645a00a06082a8648ce3d030107a1440342000441a51bc318461b4c39a45048a16d4fc2a935b1ea7fe86e8c1fa219d6f2438f7c7fd62957d3442efb94b6a23eb0ea66dda663dc42f379cda6630b21b7888a5d3d", false},
// This was generated using an old version of OpenSSL and is missing a
// leading zero byte in the private key that should be present.
{"3081db0201010441607b4f985774ac21e633999794542e09312073480baa69550914d6d43d8414441e61b36650567901da714f94dffb3ce0e2575c31928a0997d51df5c440e983ca17a00706052b81040023a181890381860004001661557afedd7ac8d6b70e038e576558c626eb62edda36d29c3a1310277c11f67a8c6f949e5430a37dcfb95d902c1b5b5379c389873b9dd17be3bdb088a4774a7401072f830fb9a08d93bfa50a03dd3292ea07928724ddb915d831917a338f6b0aecfbc3cf5352c4a1295d356890c41c34116d29eeb93779aab9d9d78e2613437740f6", false},
}
func TestParseECPrivateKey(t *testing.T) {
for i, test := range ecKeyTests {
derBytes, _ := hex.DecodeString(test.derHex)
key, err := ParseECPrivateKey(derBytes)
if err != nil {
t.Fatalf("#%d: failed to decode EC private key: %s", i, err)
}
serialized, err := MarshalECPrivateKey(key)
if err != nil {
t.Fatalf("#%d: failed to encode EC private key: %s", i, err)
}
matches := bytes.Equal(serialized, derBytes)
if matches != test.shouldReserialize {
t.Fatalf("#%d: when serializing key: matches=%t, should match=%t: original %x, reserialized %x", i, matches, test.shouldReserialize, serialized, derBytes)
}
}
}
const hexECTestPKCS1Key = "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"
const hexECTestPKCS8Key = "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"
var ecMismatchKeyTests = []struct {
hexKey string
errorContains string
}{
{hexKey: hexECTestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"},
{hexKey: hexECTestPKCS1Key, errorContains: "use ParsePKCS1PrivateKey instead"},
}
func TestECMismatchKeyFormat(t *testing.T) {
for i, test := range ecMismatchKeyTests {
derBytes, _ := hex.DecodeString(test.hexKey)
_, err := ParseECPrivateKey(derBytes)
if !strings.Contains(err.Error(), test.errorContains) {
t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err)
}
}
}

32
tempfork/x509/test-file.crt
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@ -1,32 +0,0 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

31
tempfork/x509/testdata/test-dir.crt vendored
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@ -1,31 +0,0 @@
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

1112
tempfork/x509/verify.go
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2126
tempfork/x509/verify_test.go
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2828
tempfork/x509/x509.go
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tempfork/x509/x509_test.go
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56
tempfork/x509/x509_test_import.go
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@ -1,56 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// This file is run by the x509 tests to ensure that a program with minimal
// imports can sign certificates without errors resulting from missing hash
// functions.
package main
import (
"crypto/rand"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"math/big"
"strings"
"time"
)
func main() {
block, _ := pem.Decode([]byte(pemPrivateKey))
rsaPriv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
panic("Failed to parse private key: " + err.Error())
}
template := x509.Certificate{
SerialNumber: big.NewInt(1),
Subject: pkix.Name{
CommonName: "test",
Organization: []string{"Σ Acme Co"},
},
NotBefore: time.Unix(1000, 0),
NotAfter: time.Unix(100000, 0),
KeyUsage: x509.KeyUsageCertSign,
}
if _, err = x509.CreateCertificate(rand.Reader, &template, &template, &rsaPriv.PublicKey, rsaPriv); err != nil {
panic("failed to create certificate with basic imports: " + err.Error())
}
}
var pemPrivateKey = testingKey(`-----BEGIN RSA TESTING KEY-----
MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0
fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu
/ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu
RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/
EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A
IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS
tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
-----END RSA TESTING KEY-----
`)
func testingKey(s string) string { return strings.ReplaceAll(s, "TESTING KEY", "PRIVATE KEY") }
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