diff options
Diffstat (limited to 'lib/libc/hash/sha1.c')
| -rw-r--r-- | lib/libc/hash/sha1.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/lib/libc/hash/sha1.c b/lib/libc/hash/sha1.c index 6d2be6a3394..64ebf133dca 100644 --- a/lib/libc/hash/sha1.c +++ b/lib/libc/hash/sha1.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sha1.c,v 1.6 1997/07/11 04:17:10 millert Exp $ */ +/* $OpenBSD: sha1.c,v 1.7 1997/07/12 00:51:18 millert Exp $ */ /* * SHA-1 in C @@ -45,8 +45,9 @@ #define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); -/* Hash a single 512-bit block. This is the core of the algorithm. */ - +/* + * Hash a single 512-bit block. This is the core of the algorithm. + */ void SHA1Transform(state, buffer) u_int32_t state[5]; u_char buffer[64]; @@ -56,14 +57,14 @@ void SHA1Transform(state, buffer) u_char c[64]; u_int l[16]; } CHAR64LONG16; - CHAR64LONG16* block; + CHAR64LONG16 *block; #ifdef SHA1HANDSOFF static u_char workspace[64]; - block = (CHAR64LONG16*)workspace; - memcpy(block, buffer, 64); + block = (CHAR64LONG16 *)workspace; + (void)memcpy(block, buffer, 64); #else - block = (CHAR64LONG16*)buffer; + block = (CHAR64LONG16 *)buffer; #endif /* Copy context->state[] to working vars */ @@ -113,6 +114,7 @@ void SHA1Transform(state, buffer) void SHA1Init(context) SHA1_CTX *context; { + /* SHA1 initialization constants */ context->state[0] = 0x67452301; context->state[1] = 0xEFCDAB89; @@ -131,15 +133,14 @@ void SHA1Update(context, data, len) u_char *data; u_int len; { - u_int i; - u_int j; + u_int i, j; j = context->count[0]; if ((context->count[0] += len << 3) < j) context->count[1] += (len>>29)+1; j = (j >> 3) & 63; if ((j + len) > 63) { - memcpy(&context->buffer[j], data, (i = 64-j)); + (void)memcpy(&context->buffer[j], data, (i = 64-j)); SHA1Transform(context->state, context->buffer); for ( ; i + 63 < len; i += 64) SHA1Transform(context->state, &data[i]); @@ -147,7 +148,7 @@ void SHA1Update(context, data, len) } else { i = 0; } - memcpy(&context->buffer[j], &data[i], len - i); + (void)memcpy(&context->buffer[j], &data[i], len - i); } |