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- /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- #include <stdlib.h>
- #undef c2l
- #define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
- l|=((unsigned long)(*((c)++)))<< 8L, \
- l|=((unsigned long)(*((c)++)))<<16L, \
- l|=((unsigned long)(*((c)++)))<<24L)
- /* NOTE - c is not incremented as per c2l */
- #undef c2ln
- #define c2ln(c,l1,l2,n) { \
- c+=n; \
- l1=l2=0; \
- switch (n) { \
- case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
- /* fall thru */ \
- case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
- /* fall thru */ \
- case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
- /* fall thru */ \
- case 5: l2|=((unsigned long)(*(--(c)))); \
- /* fall thru */ \
- case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
- /* fall thru */ \
- case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
- /* fall thru */ \
- case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
- /* fall thru */ \
- case 1: l1|=((unsigned long)(*(--(c)))); \
- } \
- }
- #undef l2c
- #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>24L)&0xff))
- /* NOTE - c is not incremented as per l2c */
- #undef l2cn
- #define l2cn(l1,l2,c,n) { \
- c+=n; \
- switch (n) { \
- case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
- /* fall thru */ \
- case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
- /* fall thru */ \
- case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
- /* fall thru */ \
- case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
- /* fall thru */ \
- case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
- /* fall thru */ \
- case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
- /* fall thru */ \
- case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
- /* fall thru */ \
- case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
- } \
- }
- /* NOTE - c is not incremented as per n2l */
- #define n2ln(c,l1,l2,n) { \
- c+=n; \
- l1=l2=0; \
- switch (n) { \
- case 8: l2 =((unsigned long)(*(--(c)))) ; \
- /* fall thru */ \
- case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
- /* fall thru */ \
- case 6: l2|=((unsigned long)(*(--(c))))<<16; \
- /* fall thru */ \
- case 5: l2|=((unsigned long)(*(--(c))))<<24; \
- /* fall thru */ \
- case 4: l1 =((unsigned long)(*(--(c)))) ; \
- /* fall thru */ \
- case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
- /* fall thru */ \
- case 2: l1|=((unsigned long)(*(--(c))))<<16; \
- /* fall thru */ \
- case 1: l1|=((unsigned long)(*(--(c))))<<24; \
- } \
- }
- /* NOTE - c is not incremented as per l2n */
- #define l2nn(l1,l2,c,n) { \
- c+=n; \
- switch (n) { \
- case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
- /* fall thru */ \
- case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
- /* fall thru */ \
- case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
- /* fall thru */ \
- case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
- /* fall thru */ \
- case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
- /* fall thru */ \
- case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
- /* fall thru */ \
- case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
- /* fall thru */ \
- case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
- } \
- }
- #undef n2l
- #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
- l|=((unsigned long)(*((c)++)))<<16L, \
- l|=((unsigned long)(*((c)++)))<< 8L, \
- l|=((unsigned long)(*((c)++))))
- #undef l2n
- #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
- *((c)++)=(unsigned char)(((l) )&0xff))
- #if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER))
- # define ROTATE_l32(a,n) _lrotl(a,n)
- # define ROTATE_r32(a,n) _lrotr(a,n)
- #elif defined(__ICC)
- # define ROTATE_l32(a,n) _rotl(a,n)
- # define ROTATE_r32(a,n) _rotr(a,n)
- #elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
- # if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
- # define ROTATE_l32(a,n) ({ register unsigned int ret; \
- asm ("roll %%cl,%0" \
- : "=r"(ret) \
- : "c"(n),"0"((unsigned int)(a)) \
- : "cc"); \
- ret; \
- })
- # define ROTATE_r32(a,n) ({ register unsigned int ret; \
- asm ("rorl %%cl,%0" \
- : "=r"(ret) \
- : "c"(n),"0"((unsigned int)(a)) \
- : "cc"); \
- ret; \
- })
- # endif
- #endif
- #ifndef ROTATE_l32
- # define ROTATE_l32(a,n) (((a)<<(n&0x1f))|(((a)&0xffffffff)>>((32-n)&0x1f)))
- #endif
- #ifndef ROTATE_r32
- # define ROTATE_r32(a,n) (((a)<<((32-n)&0x1f))|(((a)&0xffffffff)>>(n&0x1f)))
- #endif
- #define RC5_32_MASK 0xffffffffL
- #define RC5_16_P 0xB7E1
- #define RC5_16_Q 0x9E37
- #define RC5_32_P 0xB7E15163L
- #define RC5_32_Q 0x9E3779B9L
- #define RC5_64_P 0xB7E151628AED2A6BLL
- #define RC5_64_Q 0x9E3779B97F4A7C15LL
- #define E_RC5_32(a,b,s,n) \
- a^=b; \
- a=ROTATE_l32(a,b); \
- a+=s[n]; \
- a&=RC5_32_MASK; \
- b^=a; \
- b=ROTATE_l32(b,a); \
- b+=s[n+1]; \
- b&=RC5_32_MASK;
- #define D_RC5_32(a,b,s,n) \
- b-=s[n+1]; \
- b&=RC5_32_MASK; \
- b=ROTATE_r32(b,a); \
- b^=a; \
- a-=s[n]; \
- a&=RC5_32_MASK; \
- a=ROTATE_r32(a,b); \
- a^=b;
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