From 02dcb6c5a240aa6c80ac55748a9ef88532427d06 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Wed, 15 Aug 2012 20:49:45 +0200 Subject: Fix BZ#14090 - md5/sha512 with large sizes --- crypt/md5.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'crypt/md5.c') diff --git a/crypt/md5.c b/crypt/md5.c index 292bee1..3d2e79b 100644 --- a/crypt/md5.c +++ b/crypt/md5.c @@ -1,7 +1,6 @@ /* Functions to compute MD5 message digest of files or memory blocks. according to the definition of MD5 in RFC 1321 from April 1992. - Copyright (C) 1995,1996,1997,1999,2000,2001,2005,2011 - Free Software Foundation, Inc. + Copyright (C) 1995-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -312,13 +311,13 @@ md5_process_block (buffer, len, ctx) md5_uint32 B = ctx->B; md5_uint32 C = ctx->C; md5_uint32 D = ctx->D; + md5_uint32 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); /* Process all bytes in the buffer with 64 bytes in each round of the loop. */ -- cgit v1.1