X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsha1.h;h=4ffda7a994bea081aea464a698eb50e402cf365e;hb=159eae9ff30acac95b6d397f053df8cd6fca62a3;hp=a3ab132e8117a5b3f119080b35349ed226fa26e0;hpb=8523c7381469c7279a26fd88f4f3be20d43c4e1d;p=gnulib.git diff --git a/lib/sha1.h b/lib/sha1.h index a3ab132e8..4ffda7a99 100644 --- a/lib/sha1.h +++ b/lib/sha1.h @@ -1,6 +1,7 @@ /* Declarations of functions and data types used for SHA1 sum library functions. - Copyright (C) 2000, 2001, 2003, 2005 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2003, 2005, 2006, 2008 + 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 @@ -22,6 +23,8 @@ # include # include +#define SHA1_DIGEST_SIZE 20 + /* Structure to save state of computation between the single steps. */ struct sha1_ctx { @@ -33,7 +36,7 @@ struct sha1_ctx uint32_t total[2]; uint32_t buflen; - char buffer[128] __attribute__ ((__aligned__ (__alignof__ (uint32_t)))); + uint32_t buffer[32]; }; @@ -57,19 +60,13 @@ extern void sha1_process_bytes (const void *buffer, size_t len, /* Process the remaining bytes in the buffer and put result from CTX in first 20 bytes following RESBUF. The result is always in little endian byte order, so that a byte-wise output yields to the wanted - ASCII representation of the message digest. - - IMPORTANT: On some systems it is required that RESBUF be correctly - aligned for a 32 bits value. */ + ASCII representation of the message digest. */ extern void *sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf); /* Put result from CTX in first 20 bytes following RESBUF. The result is always in little endian byte order, so that a byte-wise output yields - to the wanted ASCII representation of the message digest. - - IMPORTANT: On some systems it is required that RESBUF is correctly - aligned for a 32 bits value. */ + to the wanted ASCII representation of the message digest. */ extern void *sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf);