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Merge pull request #4932 from SparkiDev/tls_hmac_fix 

TLS HMAC: fix number of blocks to not process
pull/4938/head
David Garske 2022-03-08 10:06:11 -08:00 committed by GitHub
parent 4a912f29d1 0a91d42f2c
commit a4229c6cf8
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1 changed files with 1 additions and 1 deletions
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src/tls.c
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@ -1055,7 +1055,7 @@ static int Hmac_UpdateFinal(Hmac* hmac, byte* digest, const byte* in,
blocks += ((maxSz + padSz) % blockSz) < padSz; blocks += ((maxSz + padSz) % blockSz) < padSz;
msgBlocks = realSz >> blockBits; msgBlocks = realSz >> blockBits;
/* #Extra blocks to process. */ /* #Extra blocks to process. */
blocks -= (msgBlocks + (((realSz + padSz) % blockSz) < padSz)) ? 1 : 0; blocks -= msgBlocks + ((((realSz + padSz) % blockSz) < padSz) ? 1 : 0);
/* Calculate whole blocks. */ /* Calculate whole blocks. */
msgBlocks--; msgBlocks--;