diff options
| -rw-r--r-- | src/hash.cpp | 41 | ||||
| -rw-r--r-- | src/hash.h | 10 | ||||
| -rw-r--r-- | src/test/hmac_tests.cpp | 125 |
3 files changed, 176 insertions, 0 deletions
diff --git a/src/hash.cpp b/src/hash.cpp index bddd8abf38..7b054bd154 100644 --- a/src/hash.cpp +++ b/src/hash.cpp @@ -56,3 +56,44 @@ unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char return h1; } + +int HMAC_SHA512_Init(HMAC_SHA512_CTX *pctx, const void *pkey, size_t len) +{ + unsigned char key[128]; + if (len <= 128) + { + memcpy(key, pkey, len); + memset(key + len, 0, 128-len); + } + else + { + SHA512_CTX ctxKey; + SHA512_Init(&ctxKey); + SHA512_Update(&ctxKey, pkey, len); + SHA512_Final(key, &ctxKey); + memset(key + 64, 0, 64); + } + + for (int n=0; n<128; n++) + key[n] ^= 0x5c; + SHA512_Init(&pctx->ctxOuter); + SHA512_Update(&pctx->ctxOuter, key, 128); + + for (int n=0; n<128; n++) + key[n] ^= 0x5c ^ 0x36; + SHA512_Init(&pctx->ctxInner); + return SHA512_Update(&pctx->ctxInner, key, 128); +} + +int HMAC_SHA512_Update(HMAC_SHA512_CTX *pctx, const void *pdata, size_t len) +{ + return SHA512_Update(&pctx->ctxInner, pdata, len); +} + +int HMAC_SHA512_Final(unsigned char *pmd, HMAC_SHA512_CTX *pctx) +{ + unsigned char buf[64]; + SHA512_Final(buf, &pctx->ctxInner); + SHA512_Update(&pctx->ctxOuter, buf, 64); + return SHA512_Final(pmd, &pctx->ctxOuter); +} diff --git a/src/hash.h b/src/hash.h index 536ab71165..880468a2d2 100644 --- a/src/hash.h +++ b/src/hash.h @@ -123,4 +123,14 @@ inline uint160 Hash160(const std::vector<unsigned char>& vch) unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char>& vDataToHash); +typedef struct +{ + SHA512_CTX ctxInner; + SHA512_CTX ctxOuter; +} HMAC_SHA512_CTX; + +int HMAC_SHA512_Init(HMAC_SHA512_CTX *pctx, const void *pkey, size_t len); +int HMAC_SHA512_Update(HMAC_SHA512_CTX *pctx, const void *pdata, size_t len); +int HMAC_SHA512_Final(unsigned char *pmd, HMAC_SHA512_CTX *pctx); + #endif diff --git a/src/test/hmac_tests.cpp b/src/test/hmac_tests.cpp new file mode 100644 index 0000000000..92ca5e6aff --- /dev/null +++ b/src/test/hmac_tests.cpp @@ -0,0 +1,125 @@ +#include <boost/test/unit_test.hpp> + +#include "hash.h" +#include "util.h" + +using namespace std; + +BOOST_AUTO_TEST_SUITE(hmac_tests) + +typedef struct { + const char *pszKey; + const char *pszData; + const char *pszMAC; +} testvec_t; + +// test cases 1, 2, 3, 4, 6 and 7 of RFC 4231 +static const testvec_t vtest[] = { + { + "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b" + "0b0b0b0b", + "4869205468657265", + "87aa7cdea5ef619d4ff0b4241a1d6cb0" + "2379f4e2ce4ec2787ad0b30545e17cde" + "daa833b7d6b8a702038b274eaea3f4e4" + "be9d914eeb61f1702e696c203a126854" + }, + { + "4a656665", + "7768617420646f2079612077616e7420" + "666f72206e6f7468696e673f", + "164b7a7bfcf819e2e395fbe73b56e0a3" + "87bd64222e831fd610270cd7ea250554" + "9758bf75c05a994a6d034f65f8f0e6fd" + "caeab1a34d4a6b4b636e070a38bce737" + }, + { + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaa", + "dddddddddddddddddddddddddddddddd" + "dddddddddddddddddddddddddddddddd" + "dddddddddddddddddddddddddddddddd" + "dddd", + "fa73b0089d56a284efb0f0756c890be9" + "b1b5dbdd8ee81a3655f83e33b2279d39" + "bf3e848279a722c806b485a47e67c807" + "b946a337bee8942674278859e13292fb" + }, + { + "0102030405060708090a0b0c0d0e0f10" + "111213141516171819", + "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd" + "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd" + "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd" + "cdcd", + "b0ba465637458c6990e5a8c5f61d4af7" + "e576d97ff94b872de76f8050361ee3db" + "a91ca5c11aa25eb4d679275cc5788063" + "a5f19741120c4f2de2adebeb10a298dd" + }, + { + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaa", + "54657374205573696e67204c61726765" + "72205468616e20426c6f636b2d53697a" + "65204b6579202d2048617368204b6579" + "204669727374", + "80b24263c7c1a3ebb71493c1dd7be8b4" + "9b46d1f41b4aeec1121b013783f8f352" + "6b56d037e05f2598bd0fd2215d6a1e52" + "95e64f73f63f0aec8b915a985d786598" + }, + { + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaa", + "54686973206973206120746573742075" + "73696e672061206c6172676572207468" + "616e20626c6f636b2d73697a65206b65" + "7920616e642061206c61726765722074" + "68616e20626c6f636b2d73697a652064" + "6174612e20546865206b6579206e6565" + "647320746f2062652068617368656420" + "6265666f7265206265696e6720757365" + "642062792074686520484d414320616c" + "676f726974686d2e", + "e37b6a775dc87dbaa4dfa9f96e5e3ffd" + "debd71f8867289865df5a32d20cdc944" + "b6022cac3c4982b10d5eeb55c3e4de15" + "134676fb6de0446065c97440fa8c6a58" + } +}; + +BOOST_AUTO_TEST_CASE(hmacsha512_testvectors) +{ + for (unsigned int n=0; n<sizeof(vtest)/sizeof(vtest[0]); n++) + { + vector<unsigned char> vchKey = ParseHex(vtest[n].pszKey); + vector<unsigned char> vchData = ParseHex(vtest[n].pszData); + vector<unsigned char> vchMAC = ParseHex(vtest[n].pszMAC); + unsigned char vchTemp[64]; + + HMAC_SHA512_CTX ctx; + HMAC_SHA512_Init(&ctx, &vchKey[0], vchKey.size()); + HMAC_SHA512_Update(&ctx, &vchData[0], vchData.size()); + HMAC_SHA512_Final(&vchTemp[0], &ctx); + + BOOST_CHECK(memcmp(&vchTemp[0], &vchMAC[0], 64) == 0); + + } +} + +BOOST_AUTO_TEST_SUITE_END() |