diff options
Diffstat (limited to 'lib/sha256.h')
| -rw-r--r-- | lib/sha256.h | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/lib/sha256.h b/lib/sha256.h index b998aa4b634..533173a59e8 100644 --- a/lib/sha256.h +++ b/lib/sha256.h @@ -1,18 +1,18 @@ /* Declarations of functions and data types used for SHA256 and SHA224 sum library functions. - Copyright (C) 2005-2006, 2008-2017 Free Software Foundation, Inc. + Copyright (C) 2005-2006, 2008-2022 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 3 of the License, or - (at your option) any later version. + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. + GNU Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #ifndef SHA256_H @@ -22,6 +22,9 @@ # include <stdint.h> # if HAVE_OPENSSL_SHA256 +# ifndef OPENSSL_API_COMPAT +# define OPENSSL_API_COMPAT 0x10101000L /* FIXME: Use OpenSSL 1.1+ API. */ +# endif # include <openssl/sha.h> # endif @@ -70,27 +73,35 @@ extern void sha256_process_bytes (const void *buffer, size_t len, in first 32 (28) 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. */ -extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *resbuf); -extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *resbuf); +extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf); +extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf); /* Put result from CTX in first 32 (28) 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. */ -extern void *sha256_read_ctx (const struct sha256_ctx *ctx, void *resbuf); -extern void *sha224_read_ctx (const struct sha256_ctx *ctx, void *resbuf); +extern void *sha256_read_ctx (const struct sha256_ctx *ctx, + void *restrict resbuf); +extern void *sha224_read_ctx (const struct sha256_ctx *ctx, + void *restrict resbuf); -/* Compute SHA256 (SHA224) message digest for LEN bytes beginning at BUFFER. The - result is always in little endian byte order, so that a byte-wise +/* Compute SHA256 (SHA224) 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 digest. */ -extern void *sha256_buffer (const char *buffer, size_t len, void *resblock); -extern void *sha224_buffer (const char *buffer, size_t len, void *resblock); +extern void *sha256_buffer (const char *buffer, size_t len, + void *restrict resblock); +extern void *sha224_buffer (const char *buffer, size_t len, + void *restrict resblock); # endif -/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. The - resulting message digest number will be written into the 32 (28) bytes + +/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. + STREAM is an open file stream. Regular files are handled more efficiently. + The contents of STREAM from its current position to its end will be read. + The case that the last operation on STREAM was an 'ungetc' is not supported. + The resulting message digest number will be written into the 32 (28) bytes beginning at RESBLOCK. */ extern int sha256_stream (FILE *stream, void *resblock); extern int sha224_stream (FILE *stream, void *resblock); @@ -101,3 +112,10 @@ extern int sha224_stream (FILE *stream, void *resblock); # endif #endif + +/* + * Hey Emacs! + * Local Variables: + * coding: utf-8 + * End: + */ |