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@ -387,8 +387,10 @@ namespace crypto |
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const uint64_t IPAD = 0x3636363636363636; |
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const uint64_t IPAD = 0x3636363636363636; |
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const uint64_t OPAD = 0x5C5C5C5C5C5C5C5C; |
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const uint64_t OPAD = 0x5C5C5C5C5C5C5C5C; |
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#if defined(__AVX__) |
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static const uint64_t ipads[] = { IPAD, IPAD, IPAD, IPAD }; |
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static const uint64_t ipads[] = { IPAD, IPAD, IPAD, IPAD }; |
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static const uint64_t opads[] = { OPAD, OPAD, OPAD, OPAD }; |
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static const uint64_t opads[] = { OPAD, OPAD, OPAD, OPAD }; |
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#endif |
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void HMACMD5Digest (uint8_t * msg, size_t len, const MACKey& key, uint8_t * digest) |
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void HMACMD5Digest (uint8_t * msg, size_t len, const MACKey& key, uint8_t * digest) |
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// key is 32 bytes
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// key is 32 bytes
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@ -413,7 +415,7 @@ namespace crypto |
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"movups %%xmm0, 80%[hash] \n" // zero last 16 bytes
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"movups %%xmm0, 80%[hash] \n" // zero last 16 bytes
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: [buf]"=m"(*buf), [hash]"=m"(*hash) |
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: [buf]"=m"(*buf), [hash]"=m"(*hash) |
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: [key]"m"(*(const uint8_t *)key), [ipad]"m"(*ipads), [opad]"m"(*opads) |
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: [key]"m"(*(const uint8_t *)key), [ipad]"m"(*ipads), [opad]"m"(*opads) |
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: "memory" |
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: "memory", "%xmm0" // TODO: change to %ymm0 later
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); |
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); |
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#else |
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#else |
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// ikeypad
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// ikeypad
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@ -421,13 +423,19 @@ namespace crypto |
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buf[1] = key.GetLL ()[1] ^ IPAD; |
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buf[1] = key.GetLL ()[1] ^ IPAD; |
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buf[2] = key.GetLL ()[2] ^ IPAD; |
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buf[2] = key.GetLL ()[2] ^ IPAD; |
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buf[3] = key.GetLL ()[3] ^ IPAD; |
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buf[3] = key.GetLL ()[3] ^ IPAD; |
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memcpy (buf + 4, ipads, 32); |
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buf[4] = IPAD; |
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buf[5] = IPAD; |
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buf[6] = IPAD; |
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buf[7] = IPAD; |
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// okeypad
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// okeypad
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hash[0] = key.GetLL ()[0] ^ OPAD; |
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hash[0] = key.GetLL ()[0] ^ OPAD; |
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hash[1] = key.GetLL ()[1] ^ OPAD; |
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hash[1] = key.GetLL ()[1] ^ OPAD; |
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hash[2] = key.GetLL ()[2] ^ OPAD; |
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hash[2] = key.GetLL ()[2] ^ OPAD; |
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hash[3] = key.GetLL ()[3] ^ OPAD; |
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hash[3] = key.GetLL ()[3] ^ OPAD; |
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memcpy (hash + 4, opads, 32); |
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hash[4] = OPAD; |
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hash[5] = OPAD; |
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hash[6] = OPAD; |
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hash[7] = OPAD; |
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// fill last 16 bytes with zeros (first hash size assumed 32 bytes in I2P)
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// fill last 16 bytes with zeros (first hash size assumed 32 bytes in I2P)
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memset (hash + 10, 0, 16); |
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memset (hash + 10, 0, 16); |
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#endif |
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#endif |
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