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LibTLS: Allow using other hash algorithms for HMAC

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The standard allows for ciphers to define which hash to use.
Fixes #7348
This commit is contained in:
DexesTTP 2021-05-29 08:26:10 +02:00 • committed by Ali Mohammad Pur
parent cb4a0dec8a
commit 4bbf954ad0
4 changed files with 56 additions and 14 deletions
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4
Userland/Libraries/LibTLS/HandshakeServer.cpp
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@ -81,8 +81,8 @@ ssize_t TLSv12::handle_server_hello(ReadonlyBytes buffer, WritePacketStage& writ
m_context.cipher = cipher;
dbgln_if(TLS_DEBUG, "Cipher: {}", (u16)cipher);
// The handshake hash function is _always_ SHA256
m_context.handshake_hash.initialize(Crypto::Hash::HashKind::SHA256);
// Simplification: We only support handshake hash functions via HMAC
m_context.handshake_hash.initialize(hmac_hash());
// Compression method
if (buffer.size() - res < 1)