Differences From Artifact [8fbe25b6ab]:
- File src/OFSHA1Hash.m — part of check-in [1a86b8175b] at 2022-02-12 07:46:07 on branch trunk — Update copyright (user: js, size: 5397) [annotate] [blame] [check-ins using]
To Artifact [6da836d4ff]:
- File
src/OFSHA1Hash.m
— part of check-in
[82801897d3]
at
2022-03-25 10:22:55
on branch trunk
— OFCryptographicHash: Add -[calculate]
Before, -[digest] would do the final calculation, however, this would
mean a property modifies state, which is bad. (user: js, size: 5577) [annotate] [blame] [check-ins using] [more...]
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17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #include <string.h> #import "OFSHA1Hash.h" #import "OFSecureData.h" #import "OFHashAlreadyCalculatedException.h" #import "OFOutOfRangeException.h" static const size_t digestSize = 20; static const size_t blockSize = 64; OF_DIRECT_MEMBERS @interface OFSHA1Hash () | > | 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #include <string.h> #import "OFSHA1Hash.h" #import "OFSecureData.h" #import "OFHashAlreadyCalculatedException.h" #import "OFHashNotCalculatedException.h" #import "OFOutOfRangeException.h" static const size_t digestSize = 20; static const size_t blockSize = 64; OF_DIRECT_MEMBERS @interface OFSHA1Hash () |
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_iVars->bufferLength = 0;
}
}
}
- (const unsigned char *)digest
{
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_iVars->bufferLength = 0;
}
}
}
- (const unsigned char *)digest
{
if (!_calculated)
@throw [OFHashNotCalculatedException exceptionWithObject: self];
return (const unsigned char *)_iVars->state;
}
- (void)calculate
{
if (_calculated)
@throw [OFHashAlreadyCalculatedException
exceptionWithObject: self];
_iVars->buffer.bytes[_iVars->bufferLength] = 0x80;
OFZeroMemory(_iVars->buffer.bytes + _iVars->bufferLength + 1,
64 - _iVars->bufferLength - 1);
if (_iVars->bufferLength >= 56) {
processBlock(_iVars->state, _iVars->buffer.words);
OFZeroMemory(_iVars->buffer.bytes, 64);
}
_iVars->buffer.words[14] =
OFToBigEndian32((uint32_t)(_iVars->bits >> 32));
_iVars->buffer.words[15] =
OFToBigEndian32((uint32_t)(_iVars->bits & 0xFFFFFFFF));
processBlock(_iVars->state, _iVars->buffer.words);
OFZeroMemory(&_iVars->buffer, sizeof(_iVars->buffer));
byteSwapVectorIfLE(_iVars->state, 5);
_calculated = true;
}
- (void)reset
{
[self of_resetState];
_iVars->bits = 0;
OFZeroMemory(&_iVars->buffer, sizeof(_iVars->buffer));
_iVars->bufferLength = 0;
_calculated = false;
}
@end
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