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134 lines
7 KiB
C
134 lines
7 KiB
C
/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#undef c2l
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#define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
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l|=((unsigned long)(*((c)++)))<< 8L, \
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l|=((unsigned long)(*((c)++)))<<16L, \
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l|=((unsigned long)(*((c)++)))<<24L)
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/* NOTE - c is not incremented as per c2l */
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#undef c2ln
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#define c2ln(c,l1,l2,n) { \
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c+=n; \
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l1=l2=0; \
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switch (n) { \
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case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
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/* fall thru */ \
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case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
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/* fall thru */ \
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case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
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/* fall thru */ \
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case 5: l2|=((unsigned long)(*(--(c)))); \
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/* fall thru */ \
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case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
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/* fall thru */ \
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case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
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/* fall thru */ \
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case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
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/* fall thru */ \
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case 1: l1|=((unsigned long)(*(--(c)))); \
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} \
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}
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#undef l2c
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#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24L)&0xff))
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/* NOTE - c is not incremented as per l2c */
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#undef l2cn
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#define l2cn(l1,l2,c,n) { \
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c+=n; \
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switch (n) { \
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case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
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/* fall thru */ \
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case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
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/* fall thru */ \
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case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
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/* fall thru */ \
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case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
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/* fall thru */ \
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case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
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/* fall thru */ \
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case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
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/* fall thru */ \
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case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
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/* fall thru */ \
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case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
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} \
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}
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/* NOTE - c is not incremented as per n2l */
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#define n2ln(c,l1,l2,n) { \
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c+=n; \
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l1=l2=0; \
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switch (n) { \
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case 8: l2 =((unsigned long)(*(--(c)))) ; \
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/* fall thru */ \
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case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
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/* fall thru */ \
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case 6: l2|=((unsigned long)(*(--(c))))<<16; \
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/* fall thru */ \
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case 5: l2|=((unsigned long)(*(--(c))))<<24; \
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/* fall thru */ \
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case 4: l1 =((unsigned long)(*(--(c)))) ; \
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/* fall thru */ \
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case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
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/* fall thru */ \
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case 2: l1|=((unsigned long)(*(--(c))))<<16; \
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/* fall thru */ \
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case 1: l1|=((unsigned long)(*(--(c))))<<24; \
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} \
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}
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/* NOTE - c is not incremented as per l2n */
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#define l2nn(l1,l2,c,n) { \
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c+=n; \
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switch (n) { \
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case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
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/* fall thru */ \
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case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
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/* fall thru */ \
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case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
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/* fall thru */ \
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case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
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/* fall thru */ \
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case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
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/* fall thru */ \
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case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
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/* fall thru */ \
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case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
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/* fall thru */ \
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case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
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} \
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}
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#undef n2l
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#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
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l|=((unsigned long)(*((c)++)))<<16L, \
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l|=((unsigned long)(*((c)++)))<< 8L, \
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l|=((unsigned long)(*((c)++))))
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#undef l2n
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#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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#define C_RC2(n) \
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t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
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x0=(t<<1)|(t>>15); \
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t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
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x1=(t<<2)|(t>>14); \
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t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
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x2=(t<<3)|(t>>13); \
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t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
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x3=(t<<5)|(t>>11);
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