diff options
Diffstat (limited to 'lib/sha512.h')
| -rw-r--r-- | lib/sha512.h | 59 |
1 files changed, 38 insertions, 21 deletions
diff --git a/lib/sha512.h b/lib/sha512.h index 995511e..b8a8251 100644 --- a/lib/sha512.h +++ b/lib/sha512.h @@ -1,11 +1,11 @@ /* Declarations of functions and data types used for SHA512 and SHA384 sum library functions. - Copyright (C) 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2005-2006, 2008-2016 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 - Free Software Foundation; either version 2, or (at your option) any - later version. + 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 Free Software Foundation, either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -13,16 +13,31 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef SHA512_H # define SHA512_H 1 # include <stdio.h> - # include "u64.h" +# if HAVE_OPENSSL_SHA512 +# include <openssl/sha.h> +# endif + +# ifdef __cplusplus +extern "C" { +# endif + +enum { SHA384_DIGEST_SIZE = 384 / 8 }; +enum { SHA512_DIGEST_SIZE = 512 / 8 }; + +# if HAVE_OPENSSL_SHA512 +# define GL_OPENSSL_NAME 384 +# include "gl_openssl.h" +# define GL_OPENSSL_NAME 512 +# include "gl_openssl.h" +# else /* Structure to save state of computation between the single steps. */ struct sha512_ctx { @@ -33,7 +48,6 @@ struct sha512_ctx u64 buffer[32]; }; - /* Initialize structure containing state of computation. */ extern void sha512_init_ctx (struct sha512_ctx *ctx); extern void sha384_init_ctx (struct sha512_ctx *ctx); @@ -43,22 +57,19 @@ extern void sha384_init_ctx (struct sha512_ctx *ctx); starting at BUFFER. It is necessary that LEN is a multiple of 128!!! */ extern void sha512_process_block (const void *buffer, size_t len, - struct sha512_ctx *ctx); + struct sha512_ctx *ctx); /* Starting with the result of former calls of this function (or the initialization function update the context for the next LEN bytes starting at BUFFER. It is NOT required that LEN is a multiple of 128. */ extern void sha512_process_bytes (const void *buffer, size_t len, - struct sha512_ctx *ctx); + struct sha512_ctx *ctx); /* Process the remaining bytes in the buffer and put result from CTX in first 64 (48) 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 64 bits value. */ + ASCII representation of the message digest. */ extern void *sha512_finish_ctx (struct sha512_ctx *ctx, void *resbuf); extern void *sha384_finish_ctx (struct sha512_ctx *ctx, void *resbuf); @@ -73,12 +84,6 @@ extern void *sha512_read_ctx (const struct sha512_ctx *ctx, void *resbuf); extern void *sha384_read_ctx (const struct sha512_ctx *ctx, void *resbuf); -/* Compute SHA512 (SHA384) message digest for bytes read from STREAM. The - resulting message digest number will be written into the 64 (48) bytes - beginning at RESBLOCK. */ -extern int sha512_stream (FILE *stream, void *resblock); -extern int sha384_stream (FILE *stream, void *resblock); - /* Compute SHA512 (SHA384) message digest for LEN bytes beginning at BUFFER. The result is always in little endian byte order, so that a byte-wise output yields to the wanted ASCII representation of the message @@ -86,4 +91,16 @@ extern int sha384_stream (FILE *stream, void *resblock); extern void *sha512_buffer (const char *buffer, size_t len, void *resblock); extern void *sha384_buffer (const char *buffer, size_t len, void *resblock); +# endif +/* Compute SHA512 (SHA384) message digest for bytes read from STREAM. The + resulting message digest number will be written into the 64 (48) bytes + beginning at RESBLOCK. */ +extern int sha512_stream (FILE *stream, void *resblock); +extern int sha384_stream (FILE *stream, void *resblock); + + +# ifdef __cplusplus +} +# endif + #endif |