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Update to 7-Zip Version 21.02

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This commit is contained in:
Tino Reichardt
2021-05-13 16:39:14 +02:00
parent 3724ecfedc
commit 48fa49f76c
620 changed files with 35032 additions and 10925 deletions
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35
CPP/7zip/Crypto/HmacSha256.cpp
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@@ -9,39 +9,38 @@
namespace NCrypto {
namespace NSha256 {
static const unsigned kBlockSize = 64;
void CHmac::SetKey(const Byte *key, size_t keySize)
{
Byte temp[kBlockSize];
MY_ALIGN (16)
UInt32 temp[SHA256_NUM_BLOCK_WORDS];
size_t i;
for (i = 0; i < kBlockSize; i++)
for (i = 0; i < SHA256_NUM_BLOCK_WORDS; i++)
temp[i] = 0;
if (keySize > kBlockSize)
{
Sha256_Init(&_sha);
Sha256_Update(&_sha, key, keySize);
Sha256_Final(&_sha, temp);
Sha256_Final(&_sha, (Byte *)temp);
}
else
for (i = 0; i < keySize; i++)
temp[i] = key[i];
memcpy(temp, key, keySize);
for (i = 0; i < kBlockSize; i++)
temp[i] ^= 0x36;
for (i = 0; i < SHA256_NUM_BLOCK_WORDS; i++)
temp[i] ^= 0x36363636;
Sha256_Init(&_sha);
Sha256_Update(&_sha, temp, kBlockSize);
Sha256_Update(&_sha, (const Byte *)temp, kBlockSize);
for (i = 0; i < kBlockSize; i++)
temp[i] ^= 0x36 ^ 0x5C;
for (i = 0; i < SHA256_NUM_BLOCK_WORDS; i++)
temp[i] ^= 0x36363636 ^ 0x5C5C5C5C;
Sha256_Init(&_sha2);
Sha256_Update(&_sha2, temp, kBlockSize);
Sha256_Update(&_sha2, (const Byte *)temp, kBlockSize);
}
void CHmac::Final(Byte *mac)
{
Sha256_Final(&_sha, mac);
@@ -49,14 +48,4 @@ void CHmac::Final(Byte *mac)
Sha256_Final(&_sha2, mac);
}
/*
void CHmac::Final(Byte *mac, size_t macSize)
{
Byte digest[SHA256_DIGEST_SIZE];
Final(digest);
for (size_t i = 0; i < macSize; i++)
mac[i] = digest[i];
}
*/
}}