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Restricting ciphersuite group to match hash output (#125)

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Kevin Lewi
2021-01-28 14:31:20 -08:00
committed by GitHub
parent d6ace87c21
commit be6d042d80
1 changed files with 2 additions and 1 deletions
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src/ciphersuite.rs
+2 -1
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@@ -9,6 +9,7 @@ use crate::{
hash::Hash, key_exchange::traits::KeyExchange, keypair::KeyPair, hash::Hash, key_exchange::traits::KeyExchange, keypair::KeyPair,
map_to_curve::GroupWithMapToCurve, slow_hash::SlowHash, map_to_curve::GroupWithMapToCurve, slow_hash::SlowHash,
}; };
use digest::Digest;
use rand_core::{CryptoRng, RngCore}; use rand_core::{CryptoRng, RngCore};
@@ -25,7 +26,7 @@ pub trait CipherSuite {
/// an extension trait PasswordToCurve that allows some customization on /// an extension trait PasswordToCurve that allows some customization on
/// how to hash a password to a curve point. See `group::Group` and /// how to hash a password to a curve point. See `group::Group` and
/// `map_to_curve::GroupWithMapToCurve`. /// `map_to_curve::GroupWithMapToCurve`.
type Group: GroupWithMapToCurve; type Group: GroupWithMapToCurve<UniformBytesLen = <Self::Hash as Digest>::OutputSize>;
/// A key exchange protocol /// A key exchange protocol
type KeyExchange: KeyExchange<Self::Hash, Self::Group>; type KeyExchange: KeyExchange<Self::Hash, Self::Group>;
/// The main hash function use (for HKDF computations and hashing transcripts) /// The main hash function use (for HKDF computations and hashing transcripts)