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...) Cc: Paolo Abeni <pabeni@xxxxxxxxxx> Cc: mptcp@xxxxxxxxxxxx Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> --- net/mptcp/crypto.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/mptcp/crypto.c b/net/mptcp/crypto.c index c151628bd4161a..81b06d875f9249 100644 --- a/net/mptcp/crypto.c +++ b/net/mptcp/crypto.c @@ -61,7 +61,7 @@ void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac) put_unaligned_be64(key2, key2be); /* Generate key xored with ipad */ - memset(input, 0x36, SHA_MESSAGE_BYTES); + memset(input, 0x36, SHA256_BLOCK_SIZE); for (i = 0; i < 8; i++) input[i] ^= key1be[i]; for (i = 0; i < 8; i++) @@ -78,7 +78,7 @@ void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac) sha256_final(&state, &input[SHA256_BLOCK_SIZE]); /* Prepare second part of hmac */ - memset(input, 0x5C, SHA_MESSAGE_BYTES); + memset(input, 0x5C, SHA256_BLOCK_SIZE); for (i = 0; i < 8; i++) input[i] ^= key1be[i]; for (i = 0; i < 8; i++) -- 2.26.2
