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Add HMAC-SHA512 to hash
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parent
ee4949794b
commit
12dff9801f
41
src/hash.cpp
41
src/hash.cpp
@ -56,3 +56,44 @@ unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char
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return h1;
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}
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int HMAC_SHA512_Init(HMAC_SHA512_CTX *pctx, const void *pkey, size_t len)
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{
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unsigned char key[128];
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if (len <= 128)
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{
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memcpy(key, pkey, len);
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memset(key + len, 0, 128-len);
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}
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else
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{
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SHA512_CTX ctxKey;
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SHA512_Init(&ctxKey);
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SHA512_Update(&ctxKey, pkey, len);
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SHA512_Final(key, &ctxKey);
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memset(key + 64, 0, 64);
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}
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for (int n=0; n<128; n++)
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key[n] ^= 0x5c;
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SHA512_Init(&pctx->ctxOuter);
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SHA512_Update(&pctx->ctxOuter, key, 128);
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for (int n=0; n<128; n++)
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key[n] ^= 0x5c ^ 0x36;
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SHA512_Init(&pctx->ctxInner);
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return SHA512_Update(&pctx->ctxInner, key, 128);
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}
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int HMAC_SHA512_Update(HMAC_SHA512_CTX *pctx, const void *pdata, size_t len)
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{
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return SHA512_Update(&pctx->ctxInner, pdata, len);
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}
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int HMAC_SHA512_Final(unsigned char *pmd, HMAC_SHA512_CTX *pctx)
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{
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unsigned char buf[64];
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SHA512_Final(buf, &pctx->ctxInner);
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SHA512_Update(&pctx->ctxOuter, buf, 64);
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return SHA512_Final(pmd, &pctx->ctxOuter);
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}
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10
src/hash.h
10
src/hash.h
@ -123,4 +123,14 @@ inline uint160 Hash160(const std::vector<unsigned char>& vch)
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unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char>& vDataToHash);
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typedef struct
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{
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SHA512_CTX ctxInner;
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SHA512_CTX ctxOuter;
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} HMAC_SHA512_CTX;
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int HMAC_SHA512_Init(HMAC_SHA512_CTX *pctx, const void *pkey, size_t len);
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int HMAC_SHA512_Update(HMAC_SHA512_CTX *pctx, const void *pdata, size_t len);
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int HMAC_SHA512_Final(unsigned char *pmd, HMAC_SHA512_CTX *pctx);
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#endif
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125
src/test/hmac_tests.cpp
Normal file
125
src/test/hmac_tests.cpp
Normal file
@ -0,0 +1,125 @@
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#include <boost/test/unit_test.hpp>
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#include "hash.h"
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#include "util.h"
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using namespace std;
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BOOST_AUTO_TEST_SUITE(hmac_tests)
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typedef struct {
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const char *pszKey;
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const char *pszData;
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const char *pszMAC;
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} testvec_t;
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// test cases 1, 2, 3, 4, 6 and 7 of RFC 4231
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static const testvec_t vtest[] = {
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{
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"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"
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"0b0b0b0b",
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"4869205468657265",
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"87aa7cdea5ef619d4ff0b4241a1d6cb0"
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"2379f4e2ce4ec2787ad0b30545e17cde"
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"daa833b7d6b8a702038b274eaea3f4e4"
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"be9d914eeb61f1702e696c203a126854"
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},
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{
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"4a656665",
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"7768617420646f2079612077616e7420"
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"666f72206e6f7468696e673f",
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"164b7a7bfcf819e2e395fbe73b56e0a3"
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"87bd64222e831fd610270cd7ea250554"
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"9758bf75c05a994a6d034f65f8f0e6fd"
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"caeab1a34d4a6b4b636e070a38bce737"
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},
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{
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaa",
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"dddddddddddddddddddddddddddddddd"
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"dddddddddddddddddddddddddddddddd"
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"dddddddddddddddddddddddddddddddd"
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"dddd",
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"fa73b0089d56a284efb0f0756c890be9"
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"b1b5dbdd8ee81a3655f83e33b2279d39"
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"bf3e848279a722c806b485a47e67c807"
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"b946a337bee8942674278859e13292fb"
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},
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{
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"0102030405060708090a0b0c0d0e0f10"
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"111213141516171819",
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"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
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"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
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"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
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"cdcd",
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"b0ba465637458c6990e5a8c5f61d4af7"
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"e576d97ff94b872de76f8050361ee3db"
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"a91ca5c11aa25eb4d679275cc5788063"
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"a5f19741120c4f2de2adebeb10a298dd"
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},
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{
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaa",
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"54657374205573696e67204c61726765"
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"72205468616e20426c6f636b2d53697a"
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"65204b6579202d2048617368204b6579"
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"204669727374",
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"80b24263c7c1a3ebb71493c1dd7be8b4"
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"9b46d1f41b4aeec1121b013783f8f352"
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"6b56d037e05f2598bd0fd2215d6a1e52"
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"95e64f73f63f0aec8b915a985d786598"
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},
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{
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaa",
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"54686973206973206120746573742075"
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"73696e672061206c6172676572207468"
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"616e20626c6f636b2d73697a65206b65"
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"7920616e642061206c61726765722074"
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"68616e20626c6f636b2d73697a652064"
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"6174612e20546865206b6579206e6565"
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"647320746f2062652068617368656420"
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"6265666f7265206265696e6720757365"
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"642062792074686520484d414320616c"
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"676f726974686d2e",
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"e37b6a775dc87dbaa4dfa9f96e5e3ffd"
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"debd71f8867289865df5a32d20cdc944"
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"b6022cac3c4982b10d5eeb55c3e4de15"
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"134676fb6de0446065c97440fa8c6a58"
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}
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};
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BOOST_AUTO_TEST_CASE(hmacsha512_testvectors)
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{
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for (unsigned int n=0; n<sizeof(vtest)/sizeof(vtest[0]); n++)
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{
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vector<unsigned char> vchKey = ParseHex(vtest[n].pszKey);
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vector<unsigned char> vchData = ParseHex(vtest[n].pszData);
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vector<unsigned char> vchMAC = ParseHex(vtest[n].pszMAC);
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unsigned char vchTemp[64];
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HMAC_SHA512_CTX ctx;
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HMAC_SHA512_Init(&ctx, &vchKey[0], vchKey.size());
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HMAC_SHA512_Update(&ctx, &vchData[0], vchData.size());
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HMAC_SHA512_Final(&vchTemp[0], &ctx);
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BOOST_CHECK(memcmp(&vchTemp[0], &vchMAC[0], 64) == 0);
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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