Add a built-in SHA256/SHA512 implementation.
This also moves the HMAC-SHA512 implementation to sha2.cpp.
This commit is contained in:
Pieter Wuille
parent
540ce6aa10
commit
977cdadea8
@ -75,6 +75,7 @@ BITCOIN_CORE_H = \
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rpcserver.h \
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script.h \
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serialize.h \
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sha2.h \
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sync.h \
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threadsafety.h \
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tinyformat.h \
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@ -152,6 +153,7 @@ libbitcoin_common_a_SOURCES = \
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protocol.cpp \
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rpcprotocol.cpp \
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script.cpp \
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sha2.cpp \
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sync.cpp \
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util.cpp \
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version.cpp \
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@ -33,6 +33,7 @@ BITCOIN_TESTS =\
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test/compress_tests.cpp \
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test/DoS_tests.cpp \
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test/getarg_tests.cpp \
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test/hash_tests.cpp \
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test/key_tests.cpp \
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test/main_tests.cpp \
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test/miner_tests.cpp \
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@ -44,6 +45,7 @@ BITCOIN_TESTS =\
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test/script_P2SH_tests.cpp \
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test/script_tests.cpp \
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test/serialize_tests.cpp \
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test/sha2_tests.cpp \
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test/sigopcount_tests.cpp \
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test/test_bitcoin.cpp \
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test/transaction_tests.cpp \
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41
src/hash.cpp
41
src/hash.cpp
@ -56,44 +56,3 @@ 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
@ -126,14 +126,4 @@ 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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19
src/key.cpp
19
src/key.cpp
@ -4,6 +4,8 @@
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#include "key.h"
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#include "sha2.h"
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#include <openssl/bn.h>
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#include <openssl/ecdsa.h>
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#include <openssl/obj_mac.h>
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@ -510,12 +512,10 @@ void static BIP32Hash(const unsigned char chainCode[32], unsigned int nChild, un
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num[1] = (nChild >> 16) & 0xFF;
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num[2] = (nChild >> 8) & 0xFF;
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num[3] = (nChild >> 0) & 0xFF;
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HMAC_SHA512_CTX ctx;
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HMAC_SHA512_Init(&ctx, chainCode, 32);
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HMAC_SHA512_Update(&ctx, &header, 1);
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HMAC_SHA512_Update(&ctx, data, 32);
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HMAC_SHA512_Update(&ctx, num, 4);
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HMAC_SHA512_Final(output, &ctx);
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CHMAC_SHA512(chainCode, 32).Write(&header, 1)
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.Write(data, 32)
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.Write(num, 4)
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.Finalize(output);
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}
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bool CKey::Derive(CKey& keyChild, unsigned char ccChild[32], unsigned int nChild, const unsigned char cc[32]) const {
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@ -562,13 +562,10 @@ bool CExtKey::Derive(CExtKey &out, unsigned int nChild) const {
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}
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void CExtKey::SetMaster(const unsigned char *seed, unsigned int nSeedLen) {
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static const char hashkey[] = {'B','i','t','c','o','i','n',' ','s','e','e','d'};
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HMAC_SHA512_CTX ctx;
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HMAC_SHA512_Init(&ctx, hashkey, sizeof(hashkey));
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HMAC_SHA512_Update(&ctx, seed, nSeedLen);
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static const unsigned char hashkey[] = {'B','i','t','c','o','i','n',' ','s','e','e','d'};
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unsigned char out[64];
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LockObject(out);
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HMAC_SHA512_Final(out, &ctx);
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CHMAC_SHA512(hashkey, sizeof(hashkey)).Write(seed, nSeedLen).Finalize(out);
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key.Set(&out[0], &out[32], true);
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memcpy(vchChainCode, &out[32], 32);
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UnlockObject(out);
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428
src/sha2.cpp
Normal file
428
src/sha2.cpp
Normal file
@ -0,0 +1,428 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "sha2.h"
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#include <string.h>
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// Internal implementation code.
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namespace {
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/** Read 4 bytes, and interpret them as a 32-bit unsigned big-endian integer. */
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uint32_t inline ReadBE32(const unsigned char *data) {
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return ((uint32_t)data[0] << 24 | (uint32_t)data[1] << 16 | (uint32_t)data[2] << 8 | (uint32_t)data[3]);
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}
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/** Write a 32-bit unsigned big-endian integer. */
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void inline WriteBE32(unsigned char *data, uint32_t x) {
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data[0] = x >> 24;
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data[1] = x >> 16;
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data[2] = x >> 8;
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data[3] = x;
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}
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/** Read 8 bytes, and interpret them as a 64-bit unsigned big-endian integer. */
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uint64_t inline ReadBE64(const unsigned char *data) {
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return ((uint64_t)data[0] << 56 | (uint64_t)data[1] << 48 | (uint64_t)data[2] << 40 | (uint64_t)data[3] << 32 |
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(uint64_t)data[4] << 24 | (uint64_t)data[5] << 16 | (uint64_t)data[6] << 8 | (uint64_t)data[7]);
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}
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/** Write a 64-bit unsigned big-endian integer. */
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void inline WriteBE64(unsigned char *data, uint64_t x) {
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data[0] = x >> 56;
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data[1] = x >> 48;
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data[2] = x >> 40;
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data[3] = x >> 32;
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data[4] = x >> 24;
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data[5] = x >> 16;
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data[6] = x >> 8;
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data[7] = x;
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}
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/// Internal SHA-256 implementation.
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namespace sha256 {
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uint32_t inline Ch(uint32_t x, uint32_t y, uint32_t z) { return z ^ (x & (y ^ z)); }
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uint32_t inline Maj(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (z & (x | y)); }
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uint32_t inline Sigma0(uint32_t x) { return (x >> 2 | x << 30) ^ (x >> 13 | x << 19) ^ (x >> 22 | x << 10); }
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uint32_t inline Sigma1(uint32_t x) { return (x >> 6 | x << 26) ^ (x >> 11 | x << 21) ^ (x >> 25 | x << 7); }
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uint32_t inline sigma0(uint32_t x) { return (x >> 7 | x << 25) ^ (x >> 18 | x << 14) ^ (x >> 3); }
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uint32_t inline sigma1(uint32_t x) { return (x >> 17 | x << 15) ^ (x >> 19 | x << 13) ^ (x >> 10); }
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/** One round of SHA-256. */
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void inline Round(uint32_t a, uint32_t b, uint32_t c, uint32_t &d,
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uint32_t e, uint32_t f, uint32_t g, uint32_t &h,
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uint32_t k, uint32_t w) {
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uint32_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w;
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uint32_t t2 = Sigma0(a) + Maj(a, b, c);
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d += t1;
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h = t1 + t2;
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}
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/** Initialize SHA-256 state. */
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void inline Initialize(uint32_t *s) {
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s[0] = 0x6a09e667ul;
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s[1] = 0xbb67ae85ul;
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s[2] = 0x3c6ef372ul;
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s[3] = 0xa54ff53aul;
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s[4] = 0x510e527ful;
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s[5] = 0x9b05688cul;
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s[6] = 0x1f83d9abul;
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s[7] = 0x5be0cd19ul;
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}
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/** Perform one SHA-256 transformation, processing a 64-byte chunk. */
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void Transform(uint32_t *s, const unsigned char *chunk) {
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uint32_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4], f = s[5], g = s[6], h = s[7];
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uint32_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
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Round(a, b, c, d, e, f, g, h, 0x428a2f98, w0 = ReadBE32(chunk + 0));
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Round(h, a, b, c, d, e, f, g, 0x71374491, w1 = ReadBE32(chunk + 4));
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Round(g, h, a, b, c, d, e, f, 0xb5c0fbcf, w2 = ReadBE32(chunk + 8));
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Round(f, g, h, a, b, c, d, e, 0xe9b5dba5, w3 = ReadBE32(chunk + 12));
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Round(e, f, g, h, a, b, c, d, 0x3956c25b, w4 = ReadBE32(chunk + 16));
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Round(d, e, f, g, h, a, b, c, 0x59f111f1, w5 = ReadBE32(chunk + 20));
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Round(c, d, e, f, g, h, a, b, 0x923f82a4, w6 = ReadBE32(chunk + 24));
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Round(b, c, d, e, f, g, h, a, 0xab1c5ed5, w7 = ReadBE32(chunk + 28));
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Round(a, b, c, d, e, f, g, h, 0xd807aa98, w8 = ReadBE32(chunk + 32));
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Round(h, a, b, c, d, e, f, g, 0x12835b01, w9 = ReadBE32(chunk + 36));
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Round(g, h, a, b, c, d, e, f, 0x243185be, w10 = ReadBE32(chunk + 40));
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Round(f, g, h, a, b, c, d, e, 0x550c7dc3, w11 = ReadBE32(chunk + 44));
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Round(e, f, g, h, a, b, c, d, 0x72be5d74, w12 = ReadBE32(chunk + 48));
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Round(d, e, f, g, h, a, b, c, 0x80deb1fe, w13 = ReadBE32(chunk + 52));
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Round(c, d, e, f, g, h, a, b, 0x9bdc06a7, w14 = ReadBE32(chunk + 56));
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Round(b, c, d, e, f, g, h, a, 0xc19bf174, w15 = ReadBE32(chunk + 60));
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Round(a, b, c, d, e, f, g, h, 0xe49b69c1, w0 += sigma1(w14) + w9 + sigma0( w1));
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Round(h, a, b, c, d, e, f, g, 0xefbe4786, w1 += sigma1(w15) + w10 + sigma0( w2));
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Round(g, h, a, b, c, d, e, f, 0x0fc19dc6, w2 += sigma1( w0) + w11 + sigma0( w3));
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Round(f, g, h, a, b, c, d, e, 0x240ca1cc, w3 += sigma1( w1) + w12 + sigma0( w4));
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Round(e, f, g, h, a, b, c, d, 0x2de92c6f, w4 += sigma1( w2) + w13 + sigma0( w5));
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Round(d, e, f, g, h, a, b, c, 0x4a7484aa, w5 += sigma1( w3) + w14 + sigma0( w6));
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Round(c, d, e, f, g, h, a, b, 0x5cb0a9dc, w6 += sigma1( w4) + w15 + sigma0( w7));
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Round(b, c, d, e, f, g, h, a, 0x76f988da, w7 += sigma1( w5) + w0 + sigma0( w8));
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Round(a, b, c, d, e, f, g, h, 0x983e5152, w8 += sigma1( w6) + w1 + sigma0( w9));
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Round(h, a, b, c, d, e, f, g, 0xa831c66d, w9 += sigma1( w7) + w2 + sigma0(w10));
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Round(g, h, a, b, c, d, e, f, 0xb00327c8, w10 += sigma1( w8) + w3 + sigma0(w11));
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Round(f, g, h, a, b, c, d, e, 0xbf597fc7, w11 += sigma1( w9) + w4 + sigma0(w12));
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Round(e, f, g, h, a, b, c, d, 0xc6e00bf3, w12 += sigma1(w10) + w5 + sigma0(w13));
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Round(d, e, f, g, h, a, b, c, 0xd5a79147, w13 += sigma1(w11) + w6 + sigma0(w14));
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Round(c, d, e, f, g, h, a, b, 0x06ca6351, w14 += sigma1(w12) + w7 + sigma0(w15));
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Round(b, c, d, e, f, g, h, a, 0x14292967, w15 += sigma1(w13) + w8 + sigma0( w0));
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Round(a, b, c, d, e, f, g, h, 0x27b70a85, w0 += sigma1(w14) + w9 + sigma0( w1));
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Round(h, a, b, c, d, e, f, g, 0x2e1b2138, w1 += sigma1(w15) + w10 + sigma0( w2));
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Round(g, h, a, b, c, d, e, f, 0x4d2c6dfc, w2 += sigma1( w0) + w11 + sigma0( w3));
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Round(f, g, h, a, b, c, d, e, 0x53380d13, w3 += sigma1( w1) + w12 + sigma0( w4));
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Round(e, f, g, h, a, b, c, d, 0x650a7354, w4 += sigma1( w2) + w13 + sigma0( w5));
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Round(d, e, f, g, h, a, b, c, 0x766a0abb, w5 += sigma1( w3) + w14 + sigma0( w6));
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Round(c, d, e, f, g, h, a, b, 0x81c2c92e, w6 += sigma1( w4) + w15 + sigma0( w7));
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Round(b, c, d, e, f, g, h, a, 0x92722c85, w7 += sigma1( w5) + w0 + sigma0( w8));
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Round(a, b, c, d, e, f, g, h, 0xa2bfe8a1, w8 += sigma1( w6) + w1 + sigma0( w9));
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Round(h, a, b, c, d, e, f, g, 0xa81a664b, w9 += sigma1( w7) + w2 + sigma0(w10));
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Round(g, h, a, b, c, d, e, f, 0xc24b8b70, w10 += sigma1( w8) + w3 + sigma0(w11));
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Round(f, g, h, a, b, c, d, e, 0xc76c51a3, w11 += sigma1( w9) + w4 + sigma0(w12));
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Round(e, f, g, h, a, b, c, d, 0xd192e819, w12 += sigma1(w10) + w5 + sigma0(w13));
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Round(d, e, f, g, h, a, b, c, 0xd6990624, w13 += sigma1(w11) + w6 + sigma0(w14));
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Round(c, d, e, f, g, h, a, b, 0xf40e3585, w14 += sigma1(w12) + w7 + sigma0(w15));
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Round(b, c, d, e, f, g, h, a, 0x106aa070, w15 += sigma1(w13) + w8 + sigma0( w0));
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Round(a, b, c, d, e, f, g, h, 0x19a4c116, w0 += sigma1(w14) + w9 + sigma0( w1));
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Round(h, a, b, c, d, e, f, g, 0x1e376c08, w1 += sigma1(w15) + w10 + sigma0( w2));
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Round(g, h, a, b, c, d, e, f, 0x2748774c, w2 += sigma1( w0) + w11 + sigma0( w3));
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Round(f, g, h, a, b, c, d, e, 0x34b0bcb5, w3 += sigma1( w1) + w12 + sigma0( w4));
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Round(e, f, g, h, a, b, c, d, 0x391c0cb3, w4 += sigma1( w2) + w13 + sigma0( w5));
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Round(d, e, f, g, h, a, b, c, 0x4ed8aa4a, w5 += sigma1( w3) + w14 + sigma0( w6));
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Round(c, d, e, f, g, h, a, b, 0x5b9cca4f, w6 += sigma1( w4) + w15 + sigma0( w7));
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Round(b, c, d, e, f, g, h, a, 0x682e6ff3, w7 += sigma1( w5) + w0 + sigma0( w8));
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Round(a, b, c, d, e, f, g, h, 0x748f82ee, w8 += sigma1( w6) + w1 + sigma0( w9));
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Round(h, a, b, c, d, e, f, g, 0x78a5636f, w9 += sigma1( w7) + w2 + sigma0(w10));
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Round(g, h, a, b, c, d, e, f, 0x84c87814, w10 += sigma1( w8) + w3 + sigma0(w11));
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Round(f, g, h, a, b, c, d, e, 0x8cc70208, w11 += sigma1( w9) + w4 + sigma0(w12));
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Round(e, f, g, h, a, b, c, d, 0x90befffa, w12 += sigma1(w10) + w5 + sigma0(w13));
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Round(d, e, f, g, h, a, b, c, 0xa4506ceb, w13 += sigma1(w11) + w6 + sigma0(w14));
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Round(c, d, e, f, g, h, a, b, 0xbef9a3f7, w14 + sigma1(w12) + w7 + sigma0(w15));
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Round(b, c, d, e, f, g, h, a, 0xc67178f2, w15 + sigma1(w13) + w8 + sigma0( w0));
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s[0] += a;
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s[1] += b;
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s[2] += c;
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s[3] += d;
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s[4] += e;
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s[5] += f;
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s[6] += g;
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s[7] += h;
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}
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} // namespace sha256
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/// Internal SHA-512 implementation.
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namespace sha512 {
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uint64_t inline Ch(uint64_t x, uint64_t y, uint64_t z) { return z ^ (x & (y ^ z)); }
|
||||
uint64_t inline Maj(uint64_t x, uint64_t y, uint64_t z) { return (x & y) | (z & (x | y)); }
|
||||
uint64_t inline Sigma0(uint64_t x) { return (x >> 28 | x << 36) ^ (x >> 34 | x << 30) ^ (x >> 39 | x << 25); }
|
||||
uint64_t inline Sigma1(uint64_t x) { return (x >> 14 | x << 50) ^ (x >> 18 | x << 46) ^ (x >> 41 | x << 23); }
|
||||
uint64_t inline sigma0(uint64_t x) { return (x >> 1 | x << 63) ^ (x >> 8 | x << 56) ^ (x >> 7); }
|
||||
uint64_t inline sigma1(uint64_t x) { return (x >> 19 | x << 45) ^ (x >> 61 | x << 3) ^ (x >> 6); }
|
||||
|
||||
/** One round of SHA-512. */
|
||||
void inline Round(uint64_t a, uint64_t b, uint64_t c, uint64_t &d,
|
||||
uint64_t e, uint64_t f, uint64_t g, uint64_t &h,
|
||||
uint64_t k, uint64_t w) {
|
||||
uint64_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w;
|
||||
uint64_t t2 = Sigma0(a) + Maj(a, b, c);
|
||||
d += t1;
|
||||
h = t1 + t2;
|
||||
}
|
||||
|
||||
/** Initialize SHA-256 state. */
|
||||
void inline Initialize(uint64_t *s) {
|
||||
s[0] = 0x6a09e667f3bcc908ull;
|
||||
s[1] = 0xbb67ae8584caa73bull;
|
||||
s[2] = 0x3c6ef372fe94f82bull;
|
||||
s[3] = 0xa54ff53a5f1d36f1ull;
|
||||
s[4] = 0x510e527fade682d1ull;
|
||||
s[5] = 0x9b05688c2b3e6c1full;
|
||||
s[6] = 0x1f83d9abfb41bd6bull;
|
||||
s[7] = 0x5be0cd19137e2179ull;
|
||||
}
|
||||
|
||||
/** Perform one SHA-512 transformation, processing a 128-byte chunk. */
|
||||
void Transform(uint64_t *s, const unsigned char *chunk) {
|
||||
uint64_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4], f = s[5], g = s[6], h = s[7];
|
||||
uint64_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
|
||||
|
||||
Round(a, b, c, d, e, f, g, h, 0x428a2f98d728ae22ull, w0 = ReadBE64(chunk + 0));
|
||||
Round(h, a, b, c, d, e, f, g, 0x7137449123ef65cdull, w1 = ReadBE64(chunk + 8));
|
||||
Round(g, h, a, b, c, d, e, f, 0xb5c0fbcfec4d3b2full, w2 = ReadBE64(chunk + 16));
|
||||
Round(f, g, h, a, b, c, d, e, 0xe9b5dba58189dbbcull, w3 = ReadBE64(chunk + 24));
|
||||
Round(e, f, g, h, a, b, c, d, 0x3956c25bf348b538ull, w4 = ReadBE64(chunk + 32));
|
||||
Round(d, e, f, g, h, a, b, c, 0x59f111f1b605d019ull, w5 = ReadBE64(chunk + 40));
|
||||
Round(c, d, e, f, g, h, a, b, 0x923f82a4af194f9bull, w6 = ReadBE64(chunk + 48));
|
||||
Round(b, c, d, e, f, g, h, a, 0xab1c5ed5da6d8118ull, w7 = ReadBE64(chunk + 56));
|
||||
Round(a, b, c, d, e, f, g, h, 0xd807aa98a3030242ull, w8 = ReadBE64(chunk + 64));
|
||||
Round(h, a, b, c, d, e, f, g, 0x12835b0145706fbeull, w9 = ReadBE64(chunk + 72));
|
||||
Round(g, h, a, b, c, d, e, f, 0x243185be4ee4b28cull, w10 = ReadBE64(chunk + 80));
|
||||
Round(f, g, h, a, b, c, d, e, 0x550c7dc3d5ffb4e2ull, w11 = ReadBE64(chunk + 88));
|
||||
Round(e, f, g, h, a, b, c, d, 0x72be5d74f27b896full, w12 = ReadBE64(chunk + 96));
|
||||
Round(d, e, f, g, h, a, b, c, 0x80deb1fe3b1696b1ull, w13 = ReadBE64(chunk + 104));
|
||||
Round(c, d, e, f, g, h, a, b, 0x9bdc06a725c71235ull, w14 = ReadBE64(chunk + 112));
|
||||
Round(b, c, d, e, f, g, h, a, 0xc19bf174cf692694ull, w15 = ReadBE64(chunk + 120));
|
||||
|
||||
Round(a, b, c, d, e, f, g, h, 0xe49b69c19ef14ad2ull, w0 += sigma1(w14) + w9 + sigma0( w1));
|
||||
Round(h, a, b, c, d, e, f, g, 0xefbe4786384f25e3ull, w1 += sigma1(w15) + w10 + sigma0( w2));
|
||||
Round(g, h, a, b, c, d, e, f, 0x0fc19dc68b8cd5b5ull, w2 += sigma1( w0) + w11 + sigma0( w3));
|
||||
Round(f, g, h, a, b, c, d, e, 0x240ca1cc77ac9c65ull, w3 += sigma1( w1) + w12 + sigma0( w4));
|
||||
Round(e, f, g, h, a, b, c, d, 0x2de92c6f592b0275ull, w4 += sigma1( w2) + w13 + sigma0( w5));
|
||||
Round(d, e, f, g, h, a, b, c, 0x4a7484aa6ea6e483ull, w5 += sigma1( w3) + w14 + sigma0( w6));
|
||||
Round(c, d, e, f, g, h, a, b, 0x5cb0a9dcbd41fbd4ull, w6 += sigma1( w4) + w15 + sigma0( w7));
|
||||
Round(b, c, d, e, f, g, h, a, 0x76f988da831153b5ull, w7 += sigma1( w5) + w0 + sigma0( w8));
|
||||
Round(a, b, c, d, e, f, g, h, 0x983e5152ee66dfabull, w8 += sigma1( w6) + w1 + sigma0( w9));
|
||||
Round(h, a, b, c, d, e, f, g, 0xa831c66d2db43210ull, w9 += sigma1( w7) + w2 + sigma0(w10));
|
||||
Round(g, h, a, b, c, d, e, f, 0xb00327c898fb213full, w10 += sigma1( w8) + w3 + sigma0(w11));
|
||||
Round(f, g, h, a, b, c, d, e, 0xbf597fc7beef0ee4ull, w11 += sigma1( w9) + w4 + sigma0(w12));
|
||||
Round(e, f, g, h, a, b, c, d, 0xc6e00bf33da88fc2ull, w12 += sigma1(w10) + w5 + sigma0(w13));
|
||||
Round(d, e, f, g, h, a, b, c, 0xd5a79147930aa725ull, w13 += sigma1(w11) + w6 + sigma0(w14));
|
||||
Round(c, d, e, f, g, h, a, b, 0x06ca6351e003826full, w14 += sigma1(w12) + w7 + sigma0(w15));
|
||||
Round(b, c, d, e, f, g, h, a, 0x142929670a0e6e70ull, w15 += sigma1(w13) + w8 + sigma0( w0));
|
||||
|
||||
Round(a, b, c, d, e, f, g, h, 0x27b70a8546d22ffcull, w0 += sigma1(w14) + w9 + sigma0( w1));
|
||||
Round(h, a, b, c, d, e, f, g, 0x2e1b21385c26c926ull, w1 += sigma1(w15) + w10 + sigma0( w2));
|
||||
Round(g, h, a, b, c, d, e, f, 0x4d2c6dfc5ac42aedull, w2 += sigma1( w0) + w11 + sigma0( w3));
|
||||
Round(f, g, h, a, b, c, d, e, 0x53380d139d95b3dfull, w3 += sigma1( w1) + w12 + sigma0( w4));
|
||||
Round(e, f, g, h, a, b, c, d, 0x650a73548baf63deull, w4 += sigma1( w2) + w13 + sigma0( w5));
|
||||
Round(d, e, f, g, h, a, b, c, 0x766a0abb3c77b2a8ull, w5 += sigma1( w3) + w14 + sigma0( w6));
|
||||
Round(c, d, e, f, g, h, a, b, 0x81c2c92e47edaee6ull, w6 += sigma1( w4) + w15 + sigma0( w7));
|
||||
Round(b, c, d, e, f, g, h, a, 0x92722c851482353bull, w7 += sigma1( w5) + w0 + sigma0( w8));
|
||||
Round(a, b, c, d, e, f, g, h, 0xa2bfe8a14cf10364ull, w8 += sigma1( w6) + w1 + sigma0( w9));
|
||||
Round(h, a, b, c, d, e, f, g, 0xa81a664bbc423001ull, w9 += sigma1( w7) + w2 + sigma0(w10));
|
||||
Round(g, h, a, b, c, d, e, f, 0xc24b8b70d0f89791ull, w10 += sigma1( w8) + w3 + sigma0(w11));
|
||||
Round(f, g, h, a, b, c, d, e, 0xc76c51a30654be30ull, w11 += sigma1( w9) + w4 + sigma0(w12));
|
||||
Round(e, f, g, h, a, b, c, d, 0xd192e819d6ef5218ull, w12 += sigma1(w10) + w5 + sigma0(w13));
|
||||
Round(d, e, f, g, h, a, b, c, 0xd69906245565a910ull, w13 += sigma1(w11) + w6 + sigma0(w14));
|
||||
Round(c, d, e, f, g, h, a, b, 0xf40e35855771202aull, w14 += sigma1(w12) + w7 + sigma0(w15));
|
||||
Round(b, c, d, e, f, g, h, a, 0x106aa07032bbd1b8ull, w15 += sigma1(w13) + w8 + sigma0( w0));
|
||||
|
||||
Round(a, b, c, d, e, f, g, h, 0x19a4c116b8d2d0c8ull, w0 += sigma1(w14) + w9 + sigma0( w1));
|
||||
Round(h, a, b, c, d, e, f, g, 0x1e376c085141ab53ull, w1 += sigma1(w15) + w10 + sigma0( w2));
|
||||
Round(g, h, a, b, c, d, e, f, 0x2748774cdf8eeb99ull, w2 += sigma1( w0) + w11 + sigma0( w3));
|
||||
Round(f, g, h, a, b, c, d, e, 0x34b0bcb5e19b48a8ull, w3 += sigma1( w1) + w12 + sigma0( w4));
|
||||
Round(e, f, g, h, a, b, c, d, 0x391c0cb3c5c95a63ull, w4 += sigma1( w2) + w13 + sigma0( w5));
|
||||
Round(d, e, f, g, h, a, b, c, 0x4ed8aa4ae3418acbull, w5 += sigma1( w3) + w14 + sigma0( w6));
|
||||
Round(c, d, e, f, g, h, a, b, 0x5b9cca4f7763e373ull, w6 += sigma1( w4) + w15 + sigma0( w7));
|
||||
Round(b, c, d, e, f, g, h, a, 0x682e6ff3d6b2b8a3ull, w7 += sigma1( w5) + w0 + sigma0( w8));
|
||||
Round(a, b, c, d, e, f, g, h, 0x748f82ee5defb2fcull, w8 += sigma1( w6) + w1 + sigma0( w9));
|
||||
Round(h, a, b, c, d, e, f, g, 0x78a5636f43172f60ull, w9 += sigma1( w7) + w2 + sigma0(w10));
|
||||
Round(g, h, a, b, c, d, e, f, 0x84c87814a1f0ab72ull, w10 += sigma1( w8) + w3 + sigma0(w11));
|
||||
Round(f, g, h, a, b, c, d, e, 0x8cc702081a6439ecull, w11 += sigma1( w9) + w4 + sigma0(w12));
|
||||
Round(e, f, g, h, a, b, c, d, 0x90befffa23631e28ull, w12 += sigma1(w10) + w5 + sigma0(w13));
|
||||
Round(d, e, f, g, h, a, b, c, 0xa4506cebde82bde9ull, w13 += sigma1(w11) + w6 + sigma0(w14));
|
||||
Round(c, d, e, f, g, h, a, b, 0xbef9a3f7b2c67915ull, w14 += sigma1(w12) + w7 + sigma0(w15));
|
||||
Round(b, c, d, e, f, g, h, a, 0xc67178f2e372532bull, w15 += sigma1(w13) + w8 + sigma0( w0));
|
||||
|
||||
Round(a, b, c, d, e, f, g, h, 0xca273eceea26619cull, w0 += sigma1(w14) + w9 + sigma0( w1));
|
||||
Round(h, a, b, c, d, e, f, g, 0xd186b8c721c0c207ull, w1 += sigma1(w15) + w10 + sigma0( w2));
|
||||
Round(g, h, a, b, c, d, e, f, 0xeada7dd6cde0eb1eull, w2 += sigma1( w0) + w11 + sigma0( w3));
|
||||
Round(f, g, h, a, b, c, d, e, 0xf57d4f7fee6ed178ull, w3 += sigma1( w1) + w12 + sigma0( w4));
|
||||
Round(e, f, g, h, a, b, c, d, 0x06f067aa72176fbaull, w4 += sigma1( w2) + w13 + sigma0( w5));
|
||||
Round(d, e, f, g, h, a, b, c, 0x0a637dc5a2c898a6ull, w5 += sigma1( w3) + w14 + sigma0( w6));
|
||||
Round(c, d, e, f, g, h, a, b, 0x113f9804bef90daeull, w6 += sigma1( w4) + w15 + sigma0( w7));
|
||||
Round(b, c, d, e, f, g, h, a, 0x1b710b35131c471bull, w7 += sigma1( w5) + w0 + sigma0( w8));
|
||||
Round(a, b, c, d, e, f, g, h, 0x28db77f523047d84ull, w8 += sigma1( w6) + w1 + sigma0( w9));
|
||||
Round(h, a, b, c, d, e, f, g, 0x32caab7b40c72493ull, w9 += sigma1( w7) + w2 + sigma0(w10));
|
||||
Round(g, h, a, b, c, d, e, f, 0x3c9ebe0a15c9bebcull, w10 += sigma1( w8) + w3 + sigma0(w11));
|
||||
Round(f, g, h, a, b, c, d, e, 0x431d67c49c100d4cull, w11 += sigma1( w9) + w4 + sigma0(w12));
|
||||
Round(e, f, g, h, a, b, c, d, 0x4cc5d4becb3e42b6ull, w12 += sigma1(w10) + w5 + sigma0(w13));
|
||||
Round(d, e, f, g, h, a, b, c, 0x597f299cfc657e2aull, w13 += sigma1(w11) + w6 + sigma0(w14));
|
||||
Round(c, d, e, f, g, h, a, b, 0x5fcb6fab3ad6faecull, w14 += sigma1(w12) + w7 + sigma0(w15));
|
||||
Round(b, c, d, e, f, g, h, a, 0x6c44198c4a475817ull, w15 += sigma1(w13) + w8 + sigma0( w0));
|
||||
|
||||
s[0] += a;
|
||||
s[1] += b;
|
||||
s[2] += c;
|
||||
s[3] += d;
|
||||
s[4] += e;
|
||||
s[5] += f;
|
||||
s[6] += g;
|
||||
s[7] += h;
|
||||
}
|
||||
|
||||
} // namespace sha512
|
||||
|
||||
} // namespace
|
||||
|
||||
|
||||
////// SHA-256
|
||||
|
||||
CSHA256::CSHA256() : bytes(0) {
|
||||
sha256::Initialize(s);
|
||||
}
|
||||
|
||||
CSHA256& CSHA256::Write(const unsigned char *data, size_t len) {
|
||||
const unsigned char *end = data + len;
|
||||
size_t bufsize = bytes % 64;
|
||||
if (bufsize && bufsize + len >= 64) {
|
||||
// Fill the buffer, and process it.
|
||||
memcpy(buf + bufsize, data, 64 - bufsize);
|
||||
bytes += 64 - bufsize;
|
||||
data += 64 - bufsize;
|
||||
sha256::Transform(s, buf);
|
||||
bufsize = 0;
|
||||
}
|
||||
while (end >= data + 64) {
|
||||
// Process full chunks directly from the source.
|
||||
sha256::Transform(s, data);
|
||||
bytes += 64;
|
||||
data += 64;
|
||||
}
|
||||
if (end > data) {
|
||||
// Fill the buffer with what remains.
|
||||
memcpy(buf + bufsize, data, end - data);
|
||||
bytes += end - data;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
void CSHA256::Finalize(unsigned char *hash) {
|
||||
static const unsigned char pad[64] = {0x80};
|
||||
unsigned char sizedesc[8];
|
||||
WriteBE64(sizedesc, bytes << 3);
|
||||
Write(pad, 1 + ((119 - (bytes % 64)) % 64));
|
||||
Write(sizedesc, 8);
|
||||
WriteBE32(hash, s[0]);
|
||||
WriteBE32(hash+4, s[1]);
|
||||
WriteBE32(hash+8, s[2]);
|
||||
WriteBE32(hash+12, s[3]);
|
||||
WriteBE32(hash+16, s[4]);
|
||||
WriteBE32(hash+20, s[5]);
|
||||
WriteBE32(hash+24, s[6]);
|
||||
WriteBE32(hash+28, s[7]);
|
||||
}
|
||||
|
||||
CSHA256& CSHA256::Reset() {
|
||||
bytes = 0;
|
||||
sha256::Initialize(s);
|
||||
return *this;
|
||||
}
|
||||
|
||||
////// SHA-512
|
||||
|
||||
CSHA512::CSHA512() : bytes(0) {
|
||||
sha512::Initialize(s);
|
||||
}
|
||||
|
||||
CSHA512& CSHA512::Write(const unsigned char *data, size_t len) {
|
||||
const unsigned char *end = data + len;
|
||||
size_t bufsize = bytes % 128;
|
||||
if (bufsize && bufsize + len >= 128) {
|
||||
// Fill the buffer, and process it.
|
||||
memcpy(buf + bufsize, data, 128 - bufsize);
|
||||
bytes += 128 - bufsize;
|
||||
data += 128 - bufsize;
|
||||
sha512::Transform(s, buf);
|
||||
bufsize = 0;
|
||||
}
|
||||
while (end >= data + 128) {
|
||||
// Process full chunks directly from the source.
|
||||
sha512::Transform(s, data);
|
||||
data += 128;
|
||||
bytes += 128;
|
||||
}
|
||||
if (end > data) {
|
||||
// Fill the buffer with what remains.
|
||||
memcpy(buf + bufsize, data, end - data);
|
||||
bytes += end - data;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
void CSHA512::Finalize(unsigned char *hash) {
|
||||
static const unsigned char pad[128] = {0x80};
|
||||
unsigned char sizedesc[16] = {0x00};
|
||||
WriteBE64(sizedesc+8, bytes << 3);
|
||||
Write(pad, 1 + ((239 - (bytes % 128)) % 128));
|
||||
Write(sizedesc, 16);
|
||||
WriteBE64(hash, s[0]);
|
||||
WriteBE64(hash+8, s[1]);
|
||||
WriteBE64(hash+16, s[2]);
|
||||
WriteBE64(hash+24, s[3]);
|
||||
WriteBE64(hash+32, s[4]);
|
||||
WriteBE64(hash+40, s[5]);
|
||||
WriteBE64(hash+48, s[6]);
|
||||
WriteBE64(hash+56, s[7]);
|
||||
}
|
||||
|
||||
CSHA512& CSHA512::Reset() {
|
||||
bytes = 0;
|
||||
sha512::Initialize(s);
|
||||
return *this;
|
||||
}
|
||||
|
||||
////// HMAC-SHA-512
|
||||
|
||||
CHMAC_SHA512::CHMAC_SHA512(const unsigned char *key, size_t keylen) {
|
||||
unsigned char rkey[128];
|
||||
if (keylen <= 128) {
|
||||
memcpy(rkey, key, keylen);
|
||||
memset(rkey + keylen, 0, 128 - keylen);
|
||||
} else {
|
||||
CSHA512().Write(key, keylen).Finalize(rkey);
|
||||
memset(rkey + 64, 0, 64);
|
||||
}
|
||||
|
||||
for (int n=0; n<128; n++)
|
||||
rkey[n] ^= 0x5c;
|
||||
outer.Write(rkey, 128);
|
||||
|
||||
for (int n=0; n<128; n++)
|
||||
rkey[n] ^= 0x5c ^ 0x36;
|
||||
inner.Write(rkey, 128);
|
||||
}
|
||||
|
||||
void CHMAC_SHA512::Finalize(unsigned char *hash) {
|
||||
unsigned char temp[64];
|
||||
inner.Finalize(temp);
|
||||
outer.Write(temp, 64).Finalize(hash);
|
||||
}
|
||||
54
src/sha2.h
Normal file
54
src/sha2.h
Normal file
@ -0,0 +1,54 @@
|
||||
// Copyright (c) 2014 The Bitcoin developers
|
||||
// Distributed under the MIT/X11 software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#ifndef BITCOIN_SHA2_H
|
||||
#define BITCOIN_SHA2_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
/** A hasher class for SHA-256. */
|
||||
class CSHA256 {
|
||||
private:
|
||||
uint32_t s[8];
|
||||
unsigned char buf[64];
|
||||
size_t bytes;
|
||||
|
||||
public:
|
||||
CSHA256();
|
||||
CSHA256& Write(const unsigned char *data, size_t len);
|
||||
void Finalize(unsigned char *hash);
|
||||
CSHA256& Reset();
|
||||
};
|
||||
|
||||
/** A hasher class for SHA-512. */
|
||||
class CSHA512 {
|
||||
private:
|
||||
uint64_t s[8];
|
||||
unsigned char buf[128];
|
||||
size_t bytes;
|
||||
|
||||
public:
|
||||
CSHA512();
|
||||
CSHA512& Write(const unsigned char *data, size_t len);
|
||||
void Finalize(unsigned char *hash);
|
||||
CSHA512& Reset();
|
||||
};
|
||||
|
||||
/** A hasher class for HMAC-SHA-512. */
|
||||
class CHMAC_SHA512 {
|
||||
private:
|
||||
CSHA512 outer;
|
||||
CSHA512 inner;
|
||||
|
||||
public:
|
||||
CHMAC_SHA512(const unsigned char *key, size_t keylen);
|
||||
CHMAC_SHA512& Write(const unsigned char *data, size_t len) {
|
||||
inner.Write(data, len);
|
||||
return *this;
|
||||
}
|
||||
void Finalize(unsigned char *hash);
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -1,15 +1,49 @@
|
||||
// Copyright (c) 2013 The Bitcoin Core developers
|
||||
// Copyright (c) 2014 The Bitcoin Core developers
|
||||
// Distributed under the MIT/X11 software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#include "hash.h"
|
||||
#include "sha2.h"
|
||||
#include "util.h"
|
||||
|
||||
#include <vector>
|
||||
|
||||
#include <boost/test/unit_test.hpp>
|
||||
|
||||
using namespace std;
|
||||
BOOST_AUTO_TEST_SUITE(sha2_tests)
|
||||
|
||||
BOOST_AUTO_TEST_SUITE(hmac_tests)
|
||||
void SHA256TestVector(const std::string &in, const std::string &out) {
|
||||
std::vector<unsigned char> hash;
|
||||
hash.resize(32);
|
||||
CSHA256().Write((unsigned char*)&in[0], in.size()).Finalize(&hash[0]);
|
||||
BOOST_CHECK_EQUAL(HexStr(hash), out);
|
||||
}
|
||||
|
||||
void SHA512TestVector(const std::string &in, const std::string &out) {
|
||||
std::vector<unsigned char> hash;
|
||||
hash.resize(64);
|
||||
CSHA512().Write((unsigned char*)&in[0], in.size()).Finalize(&hash[0]);
|
||||
BOOST_CHECK_EQUAL(HexStr(hash), out);
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(sha256_testvectors) {
|
||||
SHA256TestVector("", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
|
||||
SHA256TestVector("abc", "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad");
|
||||
SHA256TestVector("message digest", "f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650");
|
||||
SHA256TestVector("secure hash algorithm", "f30ceb2bb2829e79e4ca9753d35a8ecc00262d164cc077080295381cbd643f0d");
|
||||
SHA256TestVector("SHA256 is considered to be safe", "6819d915c73f4d1e77e4e1b52d1fa0f9cf9beaead3939f15874bd988e2a23630");
|
||||
SHA256TestVector("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1");
|
||||
SHA256TestVector("For this sample, this 63-byte string will be used as input data", "f08a78cbbaee082b052ae0708f32fa1e50c5c421aa772ba5dbb406a2ea6be342");
|
||||
SHA256TestVector("This is exactly 64 bytes long, not counting the terminating byte", "ab64eff7e88e2e46165e29f2bce41826bd4c7b3552f6b382a9e7d3af47c245f8");
|
||||
SHA256TestVector("As Bitcoin relies on 80 byte header hashes, we want to have an example for that.", "7406e8de7d6e4fffc573daef05aefb8806e7790f55eab5576f31349743cca743");
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(sha512_testvectors) {
|
||||
SHA512TestVector("abc", "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f");
|
||||
SHA512TestVector("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", "204a8fc6dda82f0a0ced7beb8e08a41657c16ef468b228a8279be331a703c33596fd15c13b1b07f9aa1d3bea57789ca031ad85c7a71dd70354ec631238ca3445");
|
||||
SHA512TestVector("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909");
|
||||
SHA512TestVector(std::string(1000000, 'a'), "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973ebde0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b");
|
||||
SHA512TestVector("", "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e");
|
||||
}
|
||||
|
||||
typedef struct {
|
||||
const char *pszKey;
|
||||
@ -111,18 +145,12 @@ 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);
|
||||
std::vector<unsigned char> vchKey = ParseHex(vtest[n].pszKey);
|
||||
std::vector<unsigned char> vchData = ParseHex(vtest[n].pszData);
|
||||
std::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);
|
||||
|
||||
CHMAC_SHA512(&vchKey[0], vchKey.size()).Write(&vchData[0], vchData.size()).Finalize(&vchTemp[0]);
|
||||
BOOST_CHECK(memcmp(&vchTemp[0], &vchMAC[0], 64) == 0);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user