Don't repeat fast hash bit

pull/977/head
Andrew Morgan 5 years ago
parent 027c2d7260
commit 6660768d85

@ -130,10 +130,7 @@ Clients and identity servers MUST support SHA-256 as defined by [RFC
4634](https://tools.ietf.org/html/rfc4634), identified by the value 4634](https://tools.ietf.org/html/rfc4634), identified by the value
`"sha256"` in the `algorithms` array. SHA-256 was chosen as it is currently `"sha256"` in the `algorithms` array. SHA-256 was chosen as it is currently
used throughout the Matrix spec, as well as its properties of being quick to used throughout the Matrix spec, as well as its properties of being quick to
hash. While this reduces the resources necessary to generate a rainbow table hash.
for attackers, a fast hash is necessary if particularly slow mobile clients
are going to be hashing thousands of contact details. Other algorithms are
negotiated by the client and server at their discretion.
There are certain situations when an identity server cannot be expected to There are certain situations when an identity server cannot be expected to
compare hashed 3PID values; for example, when a server is connected to a compare hashed 3PID values; for example, when a server is connected to a

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