Merge branch 'debian'

[hcoop/debian/courier-authlib.git] / libs / sha1 / static / git-logo.png

diff --git a/sha1/sha1.c b/sha1/sha1.c
deleted file mode 100644 (file)
index d5adb5e..0000000
--- a/sha1/sha1.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
-** Copyright 2001 Double Precision, Inc.
-** See COPYING for distribution information.
-*/
-
-#define        SHA1_INTERNAL
-#include       "sha1.h"
-
-#include       <string.h>
-#include       <stdlib.h>
-
-static const char rcsid[]="$Id: sha1.c,v 1.3 2008/12/18 12:08:26 mrsam Exp $";
-
-#define        K0 0x5A827999
-#define        K1 0x6ED9EBA1
-#define        K2 0x8F1BBCDC
-#define        K3 0XCA62C1D6
-
-#define        K20(x)  x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x
-
-static SHA1_WORD K[80] = { K20(K0), K20(K1), K20(K2), K20(K3) };
-
-void sha1_context_init(struct SHA1_CONTEXT *c)
-{
-       if (sizeof(SHA1_WORD) != 4)
-               abort();
-
-       c->H[0] = 0x67452301;
-       c->H[1] = 0xEFCDAB89;
-       c->H[2] = 0x98BADCFE;
-       c->H[3] = 0x10325476;
-       c->H[4] = 0xC3D2E1F0;
-       c->blk_ptr=0;
-}
-
-void sha1_context_hash(struct SHA1_CONTEXT *c,
-               const unsigned char blk[SHA1_BLOCK_SIZE])
-{
-SHA1_WORD      A,B,C,D,E;
-SHA1_WORD      TEMP;
-SHA1_WORD      W[80];
-unsigned       i, t;
-
-#define f(t,B,C,D)     ( \
-       (t) < 20 ? ( (B) & (C) ) | ( (~(B)) & (D) ) : \
-       (t) >= 40 && (t) < 60 ? ( (B) & (C) ) | ( (B) & (D) ) | ( (C) & (D) ):\
-               (B) ^ (C) ^ (D) )
-
-#define S(a,b) ( ((SHA1_WORD)(a) << (b)) | ((SHA1_WORD)(a) >> (32 - (b))))
-
-       for (i=t=0; t<16; t++)
-       {
-               W[t]= blk[i]; i++;
-               W[t] = (W[t] << 8) | blk[i]; i++;
-               W[t] = (W[t] << 8) | blk[i]; i++;
-               W[t] = (W[t] << 8) | blk[i]; i++;
-       }
-
-       for (t=16; t<80; t++)
-       {
-               TEMP= W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16];
-               W[t]= S(TEMP, 1);
-       }
-
-       A=c->H[0];
-       B=c->H[1];
-       C=c->H[2];
-       D=c->H[3];
-       E=c->H[4];
-
-       for (t=0; t<80; t++)
-       {
-               TEMP = S(A,5);
-               TEMP += f(t, B, C, D);
-               TEMP += E;
-               TEMP += W[t];
-               TEMP += K[t];
-
-               E=D;
-               D=C;
-               C= S(B, 30);
-               B=A;
-               A=TEMP;
-       }
-
-       c->H[0] += A;
-       c->H[1] += B;
-       c->H[2] += C;
-       c->H[3] += D;
-       c->H[4] += E;
-}
-
-void sha1_context_hashstream(struct SHA1_CONTEXT *c, const void *p, unsigned l)
-{
-const unsigned char *cp=(const unsigned char *)p;
-unsigned ll;
-
-       while (l)
-       {
-               if (c->blk_ptr == 0 && l >= SHA1_BLOCK_SIZE)
-               {
-                       sha1_context_hash(c, cp);
-                       cp += SHA1_BLOCK_SIZE;
-                       l -= SHA1_BLOCK_SIZE;
-                       continue;
-               }
-
-               ll=l;
-               if (ll > SHA1_BLOCK_SIZE - c->blk_ptr)
-                       ll=SHA1_BLOCK_SIZE - c->blk_ptr;
-               memcpy(c->blk + c->blk_ptr, cp, ll);
-               c->blk_ptr += ll;
-               cp += ll;
-               l -= ll;
-               if (c->blk_ptr >= SHA1_BLOCK_SIZE)
-               {
-                       sha1_context_hash(c, c->blk);
-                       c->blk_ptr=0;
-               }
-       }
-}
-
-void sha1_context_endstream(struct SHA1_CONTEXT *c, unsigned long l)
-{
-       unsigned char buf[8];
-       static const unsigned char zero[SHA1_BLOCK_SIZE-8];
-
-       buf[0]=0x80;
-       sha1_context_hashstream(c, &buf, 1);
-       while (c->blk_ptr != SHA1_BLOCK_SIZE-8)
-       {
-               if (c->blk_ptr > SHA1_BLOCK_SIZE-8)
-               {
-                       sha1_context_hashstream(c, zero,
-                               SHA1_BLOCK_SIZE - c->blk_ptr);
-                       continue;
-               }
-               sha1_context_hashstream(c, zero,
-                       SHA1_BLOCK_SIZE-8-c->blk_ptr);
-       }
-
-       l *= 8;
-       buf[7] = l;
-       buf[6] = (l >>= 8);
-       buf[5] = (l >>= 8);
-       buf[4] = (l >> 8);
-       buf[3]=buf[2]=buf[1]=buf[0]=0;
-
-       sha1_context_hashstream(c, buf, 8);
-}
-
-void sha1_context_digest(struct SHA1_CONTEXT *c, SHA1_DIGEST d)
-{
-unsigned char *dp=d + SHA1_DIGEST_SIZE;
-unsigned i;
-
-       for ( i=5; i; )
-       {
-       SHA1_WORD       w=c->H[--i];
-
-               *--dp=w; w >>= 8;
-               *--dp=w; w >>= 8;
-               *--dp=w; w >>= 8;
-               *--dp=w;
-       }
-}
-
-void sha1_context_restore(struct SHA1_CONTEXT *c, const SHA1_DIGEST d)
-{
-const unsigned char *dp=d;
-unsigned i;
-
-       for (i=0; i<5; i++)
-       {
-       SHA1_WORD       w= *dp++;
-
-               w=(w << 8) | *dp++;
-               w=(w << 8) | *dp++;
-               w=(w << 8) | *dp++;
-               c->H[i]=w;
-       }
-       c->blk_ptr=0;
-}
-
-void sha1_digest(const void *msg, unsigned len, SHA1_DIGEST d)
-{
-struct SHA1_CONTEXT c;
-
-       sha1_context_init( &c );
-       sha1_context_hashstream(&c, msg, len);
-       sha1_context_endstream(&c, len);
-       sha1_context_digest( &c, d );
-}