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This commit is contained in:
Igor Pavlov
2005-05-30 00:00:00 +00:00
committed by Kornel Lesiński
parent 8c1b5c7b7e
commit 3c510ba80b
926 changed files with 40559 additions and 23519 deletions
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32
7zip/Crypto/7zAES/SHA256.cpp
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@@ -1,4 +1,4 @@
// Crypto/HASH/SHA256/SHA256.cpp
// Crypto/SHA256.cpp
// This code is based on code from Wei Dai's Crypto++ library.
#include "StdAfx.h"
@@ -58,10 +58,10 @@ void SHA256::Init()
#define s0(x) (rotrFixed(x,7)^rotrFixed(x,18)^(x>>3))
#define s1(x) (rotrFixed(x,17)^rotrFixed(x,19)^(x>>10))
void SHA256::Transform(UINT32 *state, const UINT32 *data)
void SHA256::Transform(UInt32 *state, const UInt32 *data)
{
UINT32 W[16];
UINT32 T[8];
UInt32 W[16];
UInt32 T[8];
/* Copy context->state[] to working vars */
// memcpy(T, state, sizeof(T));
for (int s = 0; s < 8; s++)
@@ -101,7 +101,7 @@ void SHA256::Transform(UINT32 *state, const UINT32 *data)
// memset(T, 0, sizeof(T));
}
const UINT32 SHA256::K[64] = {
const UInt32 SHA256::K[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
@@ -127,20 +127,20 @@ const UINT32 SHA256::K[64] = {
void SHA256::WriteByteBlock()
{
UINT32 data32[16];
UInt32 data32[16];
for (int i = 0; i < 16; i++)
{
data32[i] = (UINT32(_buffer[i * 4]) << 24) +
(UINT32(_buffer[i * 4 + 1]) << 16) +
(UINT32(_buffer[i * 4 + 2]) << 8) +
UINT32(_buffer[i * 4 + 3]);
data32[i] = (UInt32(_buffer[i * 4]) << 24) +
(UInt32(_buffer[i * 4 + 1]) << 16) +
(UInt32(_buffer[i * 4 + 2]) << 8) +
UInt32(_buffer[i * 4 + 3]);
}
Transform(m_digest, data32);
}
void SHA256::Update(const BYTE *data, UINT32 size)
void SHA256::Update(const Byte *data, UInt32 size)
{
UINT32 curBufferPos = UINT32(m_count) & 0x3F;
UInt32 curBufferPos = UInt32(m_count) & 0x3F;
while (size > 0)
{
while(curBufferPos < 64 && size > 0)
@@ -157,10 +157,10 @@ void SHA256::Update(const BYTE *data, UINT32 size)
}
}
void SHA256::Final(BYTE *digest)
void SHA256::Final(Byte *digest)
{
UINT64 lenInBits = (m_count << 3);
UINT32 curBufferPos = UINT32(m_count) & 0x3F;
UInt64 lenInBits = (m_count << 3);
UInt32 curBufferPos = UInt32(m_count) & 0x3F;
_buffer[curBufferPos++] = 0x80;
while (curBufferPos != (64 - 8))
{
@@ -171,7 +171,7 @@ void SHA256::Final(BYTE *digest)
}
for (int i = 0; i < 8; i++)
{
_buffer[curBufferPos++] = BYTE(lenInBits >> 56);
_buffer[curBufferPos++] = Byte(lenInBits >> 56);
lenInBits <<= 8;
}
WriteByteBlock();