cleanup

2004-02-20 02:41:48 +00:00
parent d68211f027
commit d2ddd0ac53
299 changed files with 0 additions and 63252 deletions
@@ -1,85 +0,0 @@
-// misc.cpp - written and placed in the public domain by Wei Dai
-
-#include "global.h"
-
-#include "pch.h"
-#include "misc.h"
-#include "words.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-byte OAEP_P_DEFAULT[1];
-
-template<> void ByteReverse(word16 *, const word16 *, unsigned int);
-template<> void ByteReverse(word32 *, const word32 *, unsigned int);
-#ifdef WORD64_AVAILABLE
-template<> void ByteReverse(word64 *, const word64 *, unsigned int);
-#endif
-
-void xorbuf(byte *buf, const byte *mask, unsigned int count)
-{
-	if (((unsigned int)buf | (unsigned int)mask | count) % WORD_SIZE == 0)
-		XorWords((word *)buf, (const word *)mask, count/WORD_SIZE);
-	else
-	{
-		for (unsigned int i=0; i<count; i++)
-			buf[i] ^= mask[i];
-	}
-}
-
-void xorbuf(byte *output, const byte *input, const byte *mask, unsigned int count)
-{
-	if (((unsigned int)output | (unsigned int)input | (unsigned int)mask | count) % WORD_SIZE == 0)
-		XorWords((word *)output, (const word *)input, (const word *)mask, count/WORD_SIZE);
-	else
-	{
-		for (unsigned int i=0; i<count; i++)
-			output[i] = input[i] ^ mask[i];
-	}
-}
-
-unsigned int Parity(unsigned long value)
-{
-	for (unsigned int i=8*sizeof(value)/2; i>0; i/=2)
-		value ^= value >> i;
-	return (unsigned int)value&1;
-}
-
-unsigned int BytePrecision(unsigned long value)
-{
-	unsigned int i;
-	for (i=sizeof(value); i; --i)
-		if (value >> (i-1)*8)
-			break;
-
-	return i;
-}
-
-unsigned int BitPrecision(unsigned long value)
-{
-	if (!value)
-		return 0;
-
-	unsigned int l=0, h=8*sizeof(value);
-
-	while (h-l > 1)
-	{
-		unsigned int t = (l+h)/2;
-		if (value >> t)
-			l = t;
-		else
-			h = t;
-	}
-
-	return h;
-}
-
-unsigned long Crop(unsigned long value, unsigned int size)
-{
-	if (size < 8*sizeof(value))
-    	return (value & ((1L << size) - 1));
-	else
-		return value;
-}
-
-NAMESPACE_END