diff options
Diffstat (limited to 'lib/sha1.c')
| -rw-r--r-- | lib/sha1.c | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -1,7 +1,7 @@ /* sha1.c - Functions to compute SHA1 message digest of files or memory blocks according to the NIST specification FIPS-180-1. - Copyright (C) 2000-2001, 2003-2006, 2008-2012 Free Software Foundation, Inc. + Copyright (C) 2000-2001, 2003-2006, 2008-2013 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the @@ -70,7 +70,7 @@ sha1_init_ctx (struct sha1_ctx *ctx) /* Copy the 4 byte value from v into the memory location pointed to by *cp, If your architecture allows unaligned access this is equivalent to * (uint32_t *) cp = v */ -static inline void +static void set_uint32 (char *cp, uint32_t v) { memcpy (cp, &v, sizeof v); @@ -305,13 +305,13 @@ sha1_process_block (const void *buffer, size_t len, struct sha1_ctx *ctx) uint32_t c = ctx->C; uint32_t d = ctx->D; uint32_t e = ctx->E; + uint32_t lolen = len; /* First increment the byte count. RFC 1321 specifies the possible length of the file up to 2^64 bits. Here we only compute the number of bytes. Do a double word increment. */ - ctx->total[0] += len; - if (ctx->total[0] < len) - ++ctx->total[1]; + ctx->total[0] += lolen; + ctx->total[1] += (len >> 31 >> 1) + (ctx->total[0] < lolen); #define rol(x, n) (((x) << (n)) | ((uint32_t) (x) >> (32 - (n)))) |