Re: [MPTCP] [PATCH 1/7] mptcp: use SHA256_BLOCK_SIZE, not SHA_MESSAGE_BYTES

From: Matthieu Baerts
Date: Sat May 02 2020 - 14:56:44 EST


Hi Eric,

On 02/05/2020 20:24, Eric Biggers wrote:
From: Eric Biggers <ebiggers@xxxxxxxxxx>

In preparation for naming the SHA-1 stuff in <linux/cryptohash.h>
properly and moving it to a more appropriate header, fix the HMAC-SHA256
code in mptcp_crypto_hmac_sha() to use SHA256_BLOCK_SIZE instead of
"SHA_MESSAGE_BYTES" which is actually the SHA-1 block size.
(Fortunately these are both 64 bytes, so this wasn't a "real" bug...)

Good catch! I guess it was left when switching from SHA-1 to SHA-256 in 65492c5a6ab5 (mptcp: move from sha1 (v0) to sha256 (v1)).

For MPTCP related code, it looks good to me, thank you for this!

Reviewed-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx>

--
Matthieu Baerts | R&D Engineer
matthieu.baerts@xxxxxxxxxxxx
Tessares SA | Hybrid Access Solutions
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