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authorJim Posen <jim.posen@gmail.com>2018-08-24 14:48:23 -0700
committerJim Posen <jim.posen@gmail.com>2018-11-05 09:25:15 -0800
commit4fb789e9b2ffdf48fd50293b3982b3fce4d5fbdf (patch)
tree24f14fbfe6b2079e3dbc0952d72477431f679535 /src/hash.cpp
parent6b8d0a2164b30eab76e7bccb1ffb056a10fba406 (diff)
Extract CSipHasher to it's own file in crypto/ directory.
This is a move-only commit with the exception of changes to includes.
Diffstat (limited to 'src/hash.cpp')
-rw-r--r--src/hash.cpp168
1 files changed, 0 insertions, 168 deletions
diff --git a/src/hash.cpp b/src/hash.cpp
index c049eea716..26150e5ca8 100644
--- a/src/hash.cpp
+++ b/src/hash.cpp
@@ -77,171 +77,3 @@ void BIP32Hash(const ChainCode &chainCode, unsigned int nChild, unsigned char he
num[3] = (nChild >> 0) & 0xFF;
CHMAC_SHA512(chainCode.begin(), chainCode.size()).Write(&header, 1).Write(data, 32).Write(num, 4).Finalize(output);
}
-
-#define ROTL(x, b) (uint64_t)(((x) << (b)) | ((x) >> (64 - (b))))
-
-#define SIPROUND do { \
- v0 += v1; v1 = ROTL(v1, 13); v1 ^= v0; \
- v0 = ROTL(v0, 32); \
- v2 += v3; v3 = ROTL(v3, 16); v3 ^= v2; \
- v0 += v3; v3 = ROTL(v3, 21); v3 ^= v0; \
- v2 += v1; v1 = ROTL(v1, 17); v1 ^= v2; \
- v2 = ROTL(v2, 32); \
-} while (0)
-
-CSipHasher::CSipHasher(uint64_t k0, uint64_t k1)
-{
- v[0] = 0x736f6d6570736575ULL ^ k0;
- v[1] = 0x646f72616e646f6dULL ^ k1;
- v[2] = 0x6c7967656e657261ULL ^ k0;
- v[3] = 0x7465646279746573ULL ^ k1;
- count = 0;
- tmp = 0;
-}
-
-CSipHasher& CSipHasher::Write(uint64_t data)
-{
- uint64_t v0 = v[0], v1 = v[1], v2 = v[2], v3 = v[3];
-
- assert(count % 8 == 0);
-
- v3 ^= data;
- SIPROUND;
- SIPROUND;
- v0 ^= data;
-
- v[0] = v0;
- v[1] = v1;
- v[2] = v2;
- v[3] = v3;
-
- count += 8;
- return *this;
-}
-
-CSipHasher& CSipHasher::Write(const unsigned char* data, size_t size)
-{
- uint64_t v0 = v[0], v1 = v[1], v2 = v[2], v3 = v[3];
- uint64_t t = tmp;
- int c = count;
-
- while (size--) {
- t |= ((uint64_t)(*(data++))) << (8 * (c % 8));
- c++;
- if ((c & 7) == 0) {
- v3 ^= t;
- SIPROUND;
- SIPROUND;
- v0 ^= t;
- t = 0;
- }
- }
-
- v[0] = v0;
- v[1] = v1;
- v[2] = v2;
- v[3] = v3;
- count = c;
- tmp = t;
-
- return *this;
-}
-
-uint64_t CSipHasher::Finalize() const
-{
- uint64_t v0 = v[0], v1 = v[1], v2 = v[2], v3 = v[3];
-
- uint64_t t = tmp | (((uint64_t)count) << 56);
-
- v3 ^= t;
- SIPROUND;
- SIPROUND;
- v0 ^= t;
- v2 ^= 0xFF;
- SIPROUND;
- SIPROUND;
- SIPROUND;
- SIPROUND;
- return v0 ^ v1 ^ v2 ^ v3;
-}
-
-uint64_t SipHashUint256(uint64_t k0, uint64_t k1, const uint256& val)
-{
- /* Specialized implementation for efficiency */
- uint64_t d = val.GetUint64(0);
-
- uint64_t v0 = 0x736f6d6570736575ULL ^ k0;
- uint64_t v1 = 0x646f72616e646f6dULL ^ k1;
- uint64_t v2 = 0x6c7967656e657261ULL ^ k0;
- uint64_t v3 = 0x7465646279746573ULL ^ k1 ^ d;
-
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- d = val.GetUint64(1);
- v3 ^= d;
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- d = val.GetUint64(2);
- v3 ^= d;
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- d = val.GetUint64(3);
- v3 ^= d;
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- v3 ^= ((uint64_t)4) << 59;
- SIPROUND;
- SIPROUND;
- v0 ^= ((uint64_t)4) << 59;
- v2 ^= 0xFF;
- SIPROUND;
- SIPROUND;
- SIPROUND;
- SIPROUND;
- return v0 ^ v1 ^ v2 ^ v3;
-}
-
-uint64_t SipHashUint256Extra(uint64_t k0, uint64_t k1, const uint256& val, uint32_t extra)
-{
- /* Specialized implementation for efficiency */
- uint64_t d = val.GetUint64(0);
-
- uint64_t v0 = 0x736f6d6570736575ULL ^ k0;
- uint64_t v1 = 0x646f72616e646f6dULL ^ k1;
- uint64_t v2 = 0x6c7967656e657261ULL ^ k0;
- uint64_t v3 = 0x7465646279746573ULL ^ k1 ^ d;
-
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- d = val.GetUint64(1);
- v3 ^= d;
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- d = val.GetUint64(2);
- v3 ^= d;
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- d = val.GetUint64(3);
- v3 ^= d;
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- d = (((uint64_t)36) << 56) | extra;
- v3 ^= d;
- SIPROUND;
- SIPROUND;
- v0 ^= d;
- v2 ^= 0xFF;
- SIPROUND;
- SIPROUND;
- SIPROUND;
- SIPROUND;
- return v0 ^ v1 ^ v2 ^ v3;
-}