From 5e03c718f4e7ff13cb6834eda737c269ebed02ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:04:52 +0200 Subject: Adding upstream version 1.21.3. Signed-off-by: Daniel Baumann --- lib/md5.h | 148 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 lib/md5.h (limited to 'lib/md5.h') diff --git a/lib/md5.h b/lib/md5.h new file mode 100644 index 0000000..5b92eac --- /dev/null +++ b/lib/md5.h @@ -0,0 +1,148 @@ +/* Declaration of functions and data types used for MD5 sum computing + library functions. + Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2022 Free Software + Foundation, Inc. + This file is part of the GNU C Library. + + 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 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +#ifndef _MD5_H +#define _MD5_H 1 + +#include +#include + +# if HAVE_OPENSSL_MD5 +# include +# endif + +#define MD5_DIGEST_SIZE 16 +#define MD5_BLOCK_SIZE 64 + +#ifndef __GNUC_PREREQ +# if defined __GNUC__ && defined __GNUC_MINOR__ +# define __GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +# else +# define __GNUC_PREREQ(maj, min) 0 +# endif +#endif + +#ifndef __THROW +# if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major__ >= 4) +# define __THROW throw () +# else +# define __THROW +# endif +#endif + +#ifndef _LIBC +# define __md5_buffer md5_buffer +# define __md5_finish_ctx md5_finish_ctx +# define __md5_init_ctx md5_init_ctx +# define __md5_process_block md5_process_block +# define __md5_process_bytes md5_process_bytes +# define __md5_read_ctx md5_read_ctx +# define __md5_stream md5_stream +#endif + +# ifdef __cplusplus +extern "C" { +# endif + +# if HAVE_OPENSSL_MD5 +# define GL_OPENSSL_NAME 5 +# include "gl_openssl.h" +# else +/* Structure to save state of computation between the single steps. */ +struct md5_ctx +{ + uint32_t A; + uint32_t B; + uint32_t C; + uint32_t D; + + uint32_t total[2]; + uint32_t buflen; /* ≥ 0, ≤ 128 */ + uint32_t buffer[32]; /* 128 bytes; the first buflen bytes are in use */ +}; + +/* + * The following three functions are build up the low level used in + * the functions 'md5_stream' and 'md5_buffer'. + */ + +/* Initialize structure containing state of computation. + (RFC 1321, 3.3: Step 3) */ +extern void __md5_init_ctx (struct md5_ctx *ctx) __THROW; + +/* 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 necessary that LEN is a multiple of 64!!! */ +extern void __md5_process_block (const void *buffer, size_t len, + struct md5_ctx *ctx) __THROW; + +/* 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 64. */ +extern void __md5_process_bytes (const void *buffer, size_t len, + struct md5_ctx *ctx) __THROW; + +/* Process the remaining bytes in the buffer and put result from CTX + in first 16 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 *__md5_finish_ctx (struct md5_ctx *ctx, void *restrict resbuf) + __THROW; + + +/* Put result from CTX in first 16 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 *__md5_read_ctx (const struct md5_ctx *ctx, void *restrict resbuf) + __THROW; + + +/* Compute MD5 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 *__md5_buffer (const char *buffer, size_t len, + void *restrict resblock) __THROW; + +# endif + +/* Compute MD5 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 16 bytes + beginning at RESBLOCK. */ +extern int __md5_stream (FILE *stream, void *resblock) __THROW; + + +# ifdef __cplusplus +} +# endif + +#endif /* md5.h */ + +/* + * Hey Emacs! + * Local Variables: + * coding: utf-8 + * End: + */ -- cgit v1.2.3