-/* crypto/sha/sha_dgst.c */
+/* crypto/sha/sha1dgst.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* [including the GNU Public Licence.]
*/
-#include <stdio.h>
-#include <string.h>
-#define SHA_0
-#undef SHA_1
-#include "sha.h"
-#include "sha_locl.h"
-
-char *SHA_version="SHA part of SSLeay 0.9.0b 29-Jun-1998";
-
-/* Implemented from SHA-0 document - The Secure Hash Algorithm
- */
-
-#define INIT_DATA_h0 (unsigned long)0x67452301L
-#define INIT_DATA_h1 (unsigned long)0xefcdab89L
-#define INIT_DATA_h2 (unsigned long)0x98badcfeL
-#define INIT_DATA_h3 (unsigned long)0x10325476L
-#define INIT_DATA_h4 (unsigned long)0xc3d2e1f0L
-
-#define K_00_19 0x5a827999L
-#define K_20_39 0x6ed9eba1L
-#define K_40_59 0x8f1bbcdcL
-#define K_60_79 0xca62c1d6L
-
-#ifndef NOPROTO
- void sha_block(SHA_CTX *c, register unsigned long *p, int num);
-#else
- void sha_block();
-#endif
-
-#define M_c2nl c2nl
-#define M_p_c2nl p_c2nl
-#define M_c2nl_p c2nl_p
-#define M_p_c2nl_p p_c2nl_p
-#define M_nl2c nl2c
-
-void SHA_Init(c)
-SHA_CTX *c;
- {
- c->h0=INIT_DATA_h0;
- c->h1=INIT_DATA_h1;
- c->h2=INIT_DATA_h2;
- c->h3=INIT_DATA_h3;
- c->h4=INIT_DATA_h4;
- c->Nl=0;
- c->Nh=0;
- c->num=0;
- }
-
-void SHA_Update(c, data, len)
-SHA_CTX *c;
-register unsigned char *data;
-unsigned long len;
- {
- register ULONG *p;
- int ew,ec,sw,sc;
- ULONG l;
-
- if (len == 0) return;
-
- l=(c->Nl+(len<<3))&0xffffffffL;
- if (l < c->Nl) /* overflow */
- c->Nh++;
- c->Nh+=(len>>29);
- c->Nl=l;
-
- if (c->num != 0)
- {
- p=c->data;
- sw=c->num>>2;
- sc=c->num&0x03;
-
- if ((c->num+len) >= SHA_CBLOCK)
- {
- l= p[sw];
- M_p_c2nl(data,l,sc);
- p[sw++]=l;
- for (; sw<SHA_LBLOCK; sw++)
- {
- M_c2nl(data,l);
- p[sw]=l;
- }
- len-=(SHA_CBLOCK-c->num);
-
- sha_block(c,p,64);
- c->num=0;
- /* drop through and do the rest */
- }
- else
- {
- c->num+=(int)len;
- if ((sc+len) < 4) /* ugly, add char's to a word */
- {
- l= p[sw];
- M_p_c2nl_p(data,l,sc,len);
- p[sw]=l;
- }
- else
- {
- ew=(c->num>>2);
- ec=(c->num&0x03);
- l= p[sw];
- M_p_c2nl(data,l,sc);
- p[sw++]=l;
- for (; sw < ew; sw++)
- { M_c2nl(data,l); p[sw]=l; }
- if (ec)
- {
- M_c2nl_p(data,l,ec);
- p[sw]=l;
- }
- }
- return;
- }
- }
- /* We can only do the following code for assember, the reason
- * being that the sha_block 'C' version changes the values
- * in the 'data' array. The assember code avoids this and
- * copies it to a local array. I should be able to do this for
- * the C version as well....
- */
-#if 1
-#if defined(B_ENDIAN) || defined(SHA_ASM)
- if ((((unsigned int)data)%sizeof(ULONG)) == 0)
- {
- sw=len/SHA_CBLOCK;
- if (sw)
- {
- sw*=SHA_CBLOCK;
- sha_block(c,(ULONG *)data,sw);
- data+=sw;
- len-=sw;
- }
- }
-#endif
-#endif
- /* we now can process the input data in blocks of SHA_CBLOCK
- * chars and save the leftovers to c->data. */
- p=c->data;
- while (len >= SHA_CBLOCK)
- {
-#if defined(B_ENDIAN) || defined(L_ENDIAN)
- if (p != (unsigned long *)data)
- memcpy(p,data,SHA_CBLOCK);
- data+=SHA_CBLOCK;
-# ifdef L_ENDIAN
-# ifndef SHA_ASM /* Will not happen */
- for (sw=(SHA_LBLOCK/4); sw; sw--)
- {
- Endian_Reverse32(p[0]);
- Endian_Reverse32(p[1]);
- Endian_Reverse32(p[2]);
- Endian_Reverse32(p[3]);
- p+=4;
- }
- p=c->data;
-# endif
-# endif
-#else
- for (sw=(SHA_BLOCK/4); sw; sw--)
- {
- M_c2nl(data,l); *(p++)=l;
- M_c2nl(data,l); *(p++)=l;
- M_c2nl(data,l); *(p++)=l;
- M_c2nl(data,l); *(p++)=l;
- }
- p=c->data;
-#endif
- sha_block(c,p,64);
- len-=SHA_CBLOCK;
- }
- ec=(int)len;
- c->num=ec;
- ew=(ec>>2);
- ec&=0x03;
-
- for (sw=0; sw < ew; sw++)
- { M_c2nl(data,l); p[sw]=l; }
- M_c2nl_p(data,l,ec);
- p[sw]=l;
- }
-
-void SHA_Transform(c,b)
-SHA_CTX *c;
-unsigned char *b;
- {
- ULONG p[16];
-#if !defined(B_ENDIAN)
- ULONG *q;
- int i;
-#endif
-
-#if defined(B_ENDIAN) || defined(L_ENDIAN)
- memcpy(p,b,64);
-#ifdef L_ENDIAN
- q=p;
- for (i=(SHA_LBLOCK/4); i; i--)
- {
- Endian_Reverse32(q[0]);
- Endian_Reverse32(q[1]);
- Endian_Reverse32(q[2]);
- Endian_Reverse32(q[3]);
- q+=4;
- }
-#endif
-#else
- q=p;
- for (i=(SHA_LBLOCK/4); i; i--)
- {
- ULONG l;
- c2nl(b,l); *(q++)=l;
- c2nl(b,l); *(q++)=l;
- c2nl(b,l); *(q++)=l;
- c2nl(b,l); *(q++)=l;
- }
-#endif
- sha_block(c,p,64);
- }
-
-void sha_block(c, W, num)
-SHA_CTX *c;
-register unsigned long *W;
-int num;
- {
- register ULONG A,B,C,D,E,T;
- ULONG X[16];
-
- A=c->h0;
- B=c->h1;
- C=c->h2;
- D=c->h3;
- E=c->h4;
-
- for (;;)
- {
- BODY_00_15( 0,A,B,C,D,E,T,W);
- BODY_00_15( 1,T,A,B,C,D,E,W);
- BODY_00_15( 2,E,T,A,B,C,D,W);
- BODY_00_15( 3,D,E,T,A,B,C,W);
- BODY_00_15( 4,C,D,E,T,A,B,W);
- BODY_00_15( 5,B,C,D,E,T,A,W);
- BODY_00_15( 6,A,B,C,D,E,T,W);
- BODY_00_15( 7,T,A,B,C,D,E,W);
- BODY_00_15( 8,E,T,A,B,C,D,W);
- BODY_00_15( 9,D,E,T,A,B,C,W);
- BODY_00_15(10,C,D,E,T,A,B,W);
- BODY_00_15(11,B,C,D,E,T,A,W);
- BODY_00_15(12,A,B,C,D,E,T,W);
- BODY_00_15(13,T,A,B,C,D,E,W);
- BODY_00_15(14,E,T,A,B,C,D,W);
- BODY_00_15(15,D,E,T,A,B,C,W);
- BODY_16_19(16,C,D,E,T,A,B,W,W,W,W);
- BODY_16_19(17,B,C,D,E,T,A,W,W,W,W);
- BODY_16_19(18,A,B,C,D,E,T,W,W,W,W);
- BODY_16_19(19,T,A,B,C,D,E,W,W,W,X);
+#include <openssl/crypto.h>
+#include <openssl/opensslconf.h>
+#if !defined(OPENSSL_NO_SHA0) && !defined(OPENSSL_NO_SHA)
- BODY_20_31(20,E,T,A,B,C,D,W,W,W,X);
- BODY_20_31(21,D,E,T,A,B,C,W,W,W,X);
- BODY_20_31(22,C,D,E,T,A,B,W,W,W,X);
- BODY_20_31(23,B,C,D,E,T,A,W,W,W,X);
- BODY_20_31(24,A,B,C,D,E,T,W,W,X,X);
- BODY_20_31(25,T,A,B,C,D,E,W,W,X,X);
- BODY_20_31(26,E,T,A,B,C,D,W,W,X,X);
- BODY_20_31(27,D,E,T,A,B,C,W,W,X,X);
- BODY_20_31(28,C,D,E,T,A,B,W,W,X,X);
- BODY_20_31(29,B,C,D,E,T,A,W,W,X,X);
- BODY_20_31(30,A,B,C,D,E,T,W,X,X,X);
- BODY_20_31(31,T,A,B,C,D,E,W,X,X,X);
- BODY_32_39(32,E,T,A,B,C,D,X);
- BODY_32_39(33,D,E,T,A,B,C,X);
- BODY_32_39(34,C,D,E,T,A,B,X);
- BODY_32_39(35,B,C,D,E,T,A,X);
- BODY_32_39(36,A,B,C,D,E,T,X);
- BODY_32_39(37,T,A,B,C,D,E,X);
- BODY_32_39(38,E,T,A,B,C,D,X);
- BODY_32_39(39,D,E,T,A,B,C,X);
+#undef SHA_1
+#define SHA_0
- BODY_40_59(40,C,D,E,T,A,B,X);
- BODY_40_59(41,B,C,D,E,T,A,X);
- BODY_40_59(42,A,B,C,D,E,T,X);
- BODY_40_59(43,T,A,B,C,D,E,X);
- BODY_40_59(44,E,T,A,B,C,D,X);
- BODY_40_59(45,D,E,T,A,B,C,X);
- BODY_40_59(46,C,D,E,T,A,B,X);
- BODY_40_59(47,B,C,D,E,T,A,X);
- BODY_40_59(48,A,B,C,D,E,T,X);
- BODY_40_59(49,T,A,B,C,D,E,X);
- BODY_40_59(50,E,T,A,B,C,D,X);
- BODY_40_59(51,D,E,T,A,B,C,X);
- BODY_40_59(52,C,D,E,T,A,B,X);
- BODY_40_59(53,B,C,D,E,T,A,X);
- BODY_40_59(54,A,B,C,D,E,T,X);
- BODY_40_59(55,T,A,B,C,D,E,X);
- BODY_40_59(56,E,T,A,B,C,D,X);
- BODY_40_59(57,D,E,T,A,B,C,X);
- BODY_40_59(58,C,D,E,T,A,B,X);
- BODY_40_59(59,B,C,D,E,T,A,X);
+#include <openssl/opensslv.h>
- BODY_60_79(60,A,B,C,D,E,T,X);
- BODY_60_79(61,T,A,B,C,D,E,X);
- BODY_60_79(62,E,T,A,B,C,D,X);
- BODY_60_79(63,D,E,T,A,B,C,X);
- BODY_60_79(64,C,D,E,T,A,B,X);
- BODY_60_79(65,B,C,D,E,T,A,X);
- BODY_60_79(66,A,B,C,D,E,T,X);
- BODY_60_79(67,T,A,B,C,D,E,X);
- BODY_60_79(68,E,T,A,B,C,D,X);
- BODY_60_79(69,D,E,T,A,B,C,X);
- BODY_60_79(70,C,D,E,T,A,B,X);
- BODY_60_79(71,B,C,D,E,T,A,X);
- BODY_60_79(72,A,B,C,D,E,T,X);
- BODY_60_79(73,T,A,B,C,D,E,X);
- BODY_60_79(74,E,T,A,B,C,D,X);
- BODY_60_79(75,D,E,T,A,B,C,X);
- BODY_60_79(76,C,D,E,T,A,B,X);
- BODY_60_79(77,B,C,D,E,T,A,X);
- BODY_60_79(78,A,B,C,D,E,T,X);
- BODY_60_79(79,T,A,B,C,D,E,X);
-
- c->h0=(c->h0+E)&0xffffffffL;
- c->h1=(c->h1+T)&0xffffffffL;
- c->h2=(c->h2+A)&0xffffffffL;
- c->h3=(c->h3+B)&0xffffffffL;
- c->h4=(c->h4+C)&0xffffffffL;
+const char SHA_version[]="SHA" OPENSSL_VERSION_PTEXT;
- num-=64;
- if (num <= 0) break;
+/* The implementation is in ../md32_common.h */
- A=c->h0;
- B=c->h1;
- C=c->h2;
- D=c->h3;
- E=c->h4;
-
- W+=16;
- }
- }
-
-void SHA_Final(md, c)
-unsigned char *md;
-SHA_CTX *c;
- {
- register int i,j;
- register ULONG l;
- register ULONG *p;
- static unsigned char end[4]={0x80,0x00,0x00,0x00};
- unsigned char *cp=end;
+#include "sha_locl.h"
- /* c->num should definitly have room for at least one more byte. */
- p=c->data;
- j=c->num;
- i=j>>2;
-#ifdef PURIFY
- if ((j&0x03) == 0) p[i]=0;
#endif
- l=p[i];
- M_p_c2nl(cp,l,j&0x03);
- p[i]=l;
- i++;
- /* i is the next 'undefined word' */
- if (c->num >= SHA_LAST_BLOCK)
- {
- for (; i<SHA_LBLOCK; i++)
- p[i]=0;
- sha_block(c,p,64);
- i=0;
- }
- for (; i<(SHA_LBLOCK-2); i++)
- p[i]=0;
- p[SHA_LBLOCK-2]=c->Nh;
- p[SHA_LBLOCK-1]=c->Nl;
- sha_block(c,p,64);
- cp=md;
- l=c->h0; nl2c(l,cp);
- l=c->h1; nl2c(l,cp);
- l=c->h2; nl2c(l,cp);
- l=c->h3; nl2c(l,cp);
- l=c->h4; nl2c(l,cp);
-
- /* clear stuff, sha_block may be leaving some stuff on the stack
- * but I'm not worried :-) */
- c->num=0;
-/* memset((char *)&c,0,sizeof(c));*/
- }
projects / openssl.git / blobdiff