03-06-2012
The xor operation is undefined in strings of arbitrary length. Please tell us what you are trying to do, not how how you think it should be done.
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The purpose of this article is revealing the unrevealed parts of the bitwise XOR.
As we aware, the truth table for the XOR operator is :
A B A^B
0 0 0
0 1 1
1 0 1
1 1 0
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First the operands... (1 Reply)
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LEARN ABOUT DEBIAN
trf_xorbuffer
Trf_XorBuffer(3) Library Functions Manual Trf_XorBuffer(3)
NAME
Trf_XorBuffer - XOR the bytes in a buffer with a mask.
SYNOPSIS
#include <transform.h>
void Trf_XorBuffer
(
void *buffer,
void *mask,
int length
);
PARAMETERS
void *buffer
Buffer to xor the mask with.
void *mask
Mask bytes xor'ed into the buffer.
int length
Length of mask and buffer (in byte).
DESCRIPTION
Internally used by the implementation of the various stream modes available to blockciphers.
SEE ALSO
Trf_Init(3), Trf_SafeInit(3), Trf_IsInitialized(3), Trf_CreateOptions(3), Trf_DeleteOptions(3), Trf_CheckOptions(3), Trf_SetOption(3),
Trf_SetObjOption(3), Trf_QueryOptions(3), Trf_SeekQueryOptions(3), Trf_WriteProc(3), Trf_CreateCtrlBlock(3), Trf_DeleteCtrlBlock(3),
Trf_TransformCharacter(3), Trf_TransformBuffer(3), Trf_FlushTransformation(3), Trf_ClearCtrlBlock(3), Trf_QueryMaxRead(3), Trf_Register(3),
Trf_ConverterOptions(3), Trf_MDStart(3), Trf_MDUpdate(3), Trf_MDUpdateBuf(3), Trf_MDFinal(3), Trf_MDCheck(3), Trf_RegisterMessageDigest(3),
Trf_LoadLibrary(3), Trf_ShiftRegister(3), Trf_FlipRegisterShort(3), Trf_FlipRegisterLong(3), Trf_InitStubs(3)
c2man transform.h 27 August 2002 Trf_XorBuffer(3)