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fixed HMAC calculation. Tested and verified

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orignal 2014-02-01 09:06:28 -05:00
parent a6625a770f
commit bf2e8d2350
1 changed files with 2 additions and 3 deletions
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5
hmac.h
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@ -18,7 +18,6 @@ namespace crypto
// digest is 16 bytes
// block size is 64 bytes
{
size_t totalLen = len + 64 + 32;
uint8_t buf[2048];
// ikeypad
((uint64_t *)buf)[0] = ((uint64_t *)key)[0] ^ IPAD;
@ -47,10 +46,10 @@ namespace crypto
// copy first hash after okeypad
memcpy (buf + 64, hash, 16);
// fill next 16 bytes with zeros (first hash size assumed 32 bytes in I2P)
memset (buf + 72, 0, 16);
memset (buf + 80, 0, 16);
// calculate digest
CryptoPP::Weak1::MD5().CalculateDigest (digest, buf, totalLen);
CryptoPP::Weak1::MD5().CalculateDigest (digest, buf, 96);
}
}
}