diff options
Diffstat (limited to 'third_party/git/ppc/sha1.c')
-rw-r--r-- | third_party/git/ppc/sha1.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/third_party/git/ppc/sha1.c b/third_party/git/ppc/sha1.c deleted file mode 100644 index 1b705cee1fe9..000000000000 --- a/third_party/git/ppc/sha1.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * SHA-1 implementation. - * - * Copyright (C) 2005 Paul Mackerras <paulus@samba.org> - * - * This version assumes we are running on a big-endian machine. - * It calls an external sha1_core() to process blocks of 64 bytes. - */ -#include <stdio.h> -#include <string.h> -#include "sha1.h" - -void ppc_sha1_core(uint32_t *hash, const unsigned char *p, - unsigned int nblocks); - -int ppc_SHA1_Init(ppc_SHA_CTX *c) -{ - c->hash[0] = 0x67452301; - c->hash[1] = 0xEFCDAB89; - c->hash[2] = 0x98BADCFE; - c->hash[3] = 0x10325476; - c->hash[4] = 0xC3D2E1F0; - c->len = 0; - c->cnt = 0; - return 0; -} - -int ppc_SHA1_Update(ppc_SHA_CTX *c, const void *ptr, unsigned long n) -{ - unsigned long nb; - const unsigned char *p = ptr; - - c->len += (uint64_t) n << 3; - while (n != 0) { - if (c->cnt || n < 64) { - nb = 64 - c->cnt; - if (nb > n) - nb = n; - memcpy(&c->buf.b[c->cnt], p, nb); - if ((c->cnt += nb) == 64) { - ppc_sha1_core(c->hash, c->buf.b, 1); - c->cnt = 0; - } - } else { - nb = n >> 6; - ppc_sha1_core(c->hash, p, nb); - nb <<= 6; - } - n -= nb; - p += nb; - } - return 0; -} - -int ppc_SHA1_Final(unsigned char *hash, ppc_SHA_CTX *c) -{ - unsigned int cnt = c->cnt; - - c->buf.b[cnt++] = 0x80; - if (cnt > 56) { - if (cnt < 64) - memset(&c->buf.b[cnt], 0, 64 - cnt); - ppc_sha1_core(c->hash, c->buf.b, 1); - cnt = 0; - } - if (cnt < 56) - memset(&c->buf.b[cnt], 0, 56 - cnt); - c->buf.l[7] = c->len; - ppc_sha1_core(c->hash, c->buf.b, 1); - memcpy(hash, c->hash, 20); - return 0; -} |