diff options
Diffstat (limited to 'crypto/sha/sha_locl.h')
| -rw-r--r-- | crypto/sha/sha_locl.h | 82 |
1 files changed, 65 insertions, 17 deletions
diff --git a/crypto/sha/sha_locl.h b/crypto/sha/sha_locl.h index 0a5cf46990..2814ad15fa 100644 --- a/crypto/sha/sha_locl.h +++ b/crypto/sha/sha_locl.h @@ -1,5 +1,5 @@ /* crypto/sha/sha_locl.h */ -/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written @@ -120,7 +120,51 @@ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) -/* I have taken some of this code from my MD5 implementation */ +#undef c2l +#define c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \ + l|=(((unsigned long)(*((c)++)))<< 8), \ + l|=(((unsigned long)(*((c)++)))<<16), \ + l|=(((unsigned long)(*((c)++)))<<24)) + +#undef p_c2l +#define p_c2l(c,l,n) { \ + switch (n) { \ + case 0: l =((unsigned long)(*((c)++))); \ + case 1: l|=((unsigned long)(*((c)++)))<< 8; \ + case 2: l|=((unsigned long)(*((c)++)))<<16; \ + case 3: l|=((unsigned long)(*((c)++)))<<24; \ + } \ + } + +#undef c2l_p +/* NOTE the pointer is not incremented at the end of this */ +#define c2l_p(c,l,n) { \ + l=0; \ + (c)+=n; \ + switch (n) { \ + case 3: l =((unsigned long)(*(--(c))))<<16; \ + case 2: l|=((unsigned long)(*(--(c))))<< 8; \ + case 1: l|=((unsigned long)(*(--(c)))); \ + } \ + } + +#undef p_c2l_p +#define p_c2l_p(c,l,sc,len) { \ + switch (sc) \ + { \ + case 0: l =((unsigned long)(*((c)++))); \ + if (--len == 0) break; \ + case 1: l|=((unsigned long)(*((c)++)))<< 8; \ + if (--len == 0) break; \ + case 2: l|=((unsigned long)(*((c)++)))<<16; \ + } \ + } + +#undef l2c +#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16)&0xff), \ + *((c)++)=(unsigned char)(((l)>>24)&0xff)) #undef ROTATE #if defined(WIN32) @@ -161,38 +205,42 @@ #ifdef SHA_0 #undef Xupdate -#define Xupdate(a,i) \ - X[(i)&0x0f]=(a)=\ - (X[(i)&0x0f]^X[((i)+2)&0x0f]^X[((i)+8)&0x0f]^X[((i)+13)&0x0f]); +#define Xupdate(a,i,ia,ib,ic,id) X[(i)&0x0f]=(a)=\ + (ia[(i)&0x0f]^ib[((i)+2)&0x0f]^ic[((i)+8)&0x0f]^id[((i)+13)&0x0f]); #endif #ifdef SHA_1 #undef Xupdate -#define Xupdate(a,i) \ - (a)=(X[(i)&0x0f]^X[((i)+2)&0x0f]^X[((i)+8)&0x0f]^X[((i)+13)&0x0f]); \ +#define Xupdate(a,i,ia,ib,ic,id) (a)=\ + (ia[(i)&0x0f]^ib[((i)+2)&0x0f]^ic[((i)+8)&0x0f]^id[((i)+13)&0x0f]);\ X[(i)&0x0f]=(a)=ROTATE((a),1); #endif -#define BODY_00_15(i,a,b,c,d,e,f) \ - (f)=X[i]+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ +#define BODY_00_15(i,a,b,c,d,e,f,xa) \ + (f)=xa[i]+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ (b)=ROTATE((b),30); -#define BODY_16_19(i,a,b,c,d,e,f) \ - Xupdate(f,i); \ +#define BODY_16_19(i,a,b,c,d,e,f,xa,xb,xc,xd) \ + Xupdate(f,i,xa,xb,xc,xd); \ (f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ (b)=ROTATE((b),30); -#define BODY_20_39(i,a,b,c,d,e,f) \ - Xupdate(f,i); \ +#define BODY_20_31(i,a,b,c,d,e,f,xa,xb,xc,xd) \ + Xupdate(f,i,xa,xb,xc,xd); \ + (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ + (b)=ROTATE((b),30); + +#define BODY_32_39(i,a,b,c,d,e,f,xa) \ + Xupdate(f,i,xa,xa,xa,xa); \ (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ (b)=ROTATE((b),30); -#define BODY_40_59(i,a,b,c,d,e,f) \ - Xupdate(f,i); \ +#define BODY_40_59(i,a,b,c,d,e,f,xa) \ + Xupdate(f,i,xa,xa,xa,xa); \ (f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \ (b)=ROTATE((b),30); -#define BODY_60_79(i,a,b,c,d,e,f) \ - Xupdate(f,i); \ +#define BODY_60_79(i,a,b,c,d,e,f,xa) \ + Xupdate(f,i,xa,xa,xa,xa); \ (f)=X[(i)&0x0f]+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \ (b)=ROTATE((b),30); |