pmt: revert 7f8090b
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@@ -1,178 +0,0 @@
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/* Declaration of functions and data types used for MD5 sum computing
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library functions.
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Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2024 Free Software
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Foundation, Inc.
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This file is part of the GNU C Library.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _MD5_H
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#define _MD5_H 1
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/* This file uses HAVE_OPENSSL_MD5. */
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#if !_GL_CONFIG_H_INCLUDED
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#error "Please include config.h first."
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#endif
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#include <stdio.h>
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#include <stdint.h>
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# if HAVE_OPENSSL_MD5
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# ifndef OPENSSL_API_COMPAT
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# define OPENSSL_API_COMPAT 0x10101000L /* FIXME: Use OpenSSL 1.1+ API. */
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# endif
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/* If <openssl/macros.h> would give a compile-time error, don't use OpenSSL. */
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# include <openssl/opensslv.h>
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# if OPENSSL_VERSION_MAJOR >= 3
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# include <openssl/configuration.h>
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# if (OPENSSL_CONFIGURED_API \
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< (OPENSSL_API_COMPAT < 0x900000L ? OPENSSL_API_COMPAT : \
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((OPENSSL_API_COMPAT >> 28) & 0xF) * 10000 \
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+ ((OPENSSL_API_COMPAT >> 20) & 0xFF) * 100 \
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+ ((OPENSSL_API_COMPAT >> 12) & 0xFF)))
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# undef HAVE_OPENSSL_MD5
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# endif
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# endif
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# if HAVE_OPENSSL_MD5
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# include <openssl/md5.h>
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# endif
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# endif
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#define MD5_DIGEST_SIZE 16
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#define MD5_BLOCK_SIZE 64
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#if defined __clang__
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/* clang really only groks GNU C 4.2, regardless of its value of __GNUC__. */
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# undef __GNUC_PREREQ
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# define __GNUC_PREREQ(maj, min) ((maj) < 4 + ((min) <= 2))
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#endif
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#ifndef __GNUC_PREREQ
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# if defined __GNUC__ && defined __GNUC_MINOR__
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# define __GNUC_PREREQ(maj, min) ((maj) < __GNUC__ + ((min) <= __GNUC_MINOR__))
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# else
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# define __GNUC_PREREQ(maj, min) 0
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# endif
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#endif
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#ifndef __THROW
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# if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major__ >= 4)
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# if __cplusplus >= 201103L
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# define __THROW noexcept (true)
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# else
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# define __THROW throw ()
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# endif
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# else
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# define __THROW
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# endif
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#endif
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#ifndef _LIBC
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# define __md5_buffer md5_buffer
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# define __md5_finish_ctx md5_finish_ctx
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# define __md5_init_ctx md5_init_ctx
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# define __md5_process_block md5_process_block
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# define __md5_process_bytes md5_process_bytes
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# define __md5_read_ctx md5_read_ctx
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# define __md5_stream md5_stream
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#endif
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# ifdef __cplusplus
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extern "C" {
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# endif
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# if HAVE_OPENSSL_MD5
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# define GL_OPENSSL_NAME 5
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# include "gl_openssl.h"
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# else
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/* Structure to save state of computation between the single steps. */
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struct md5_ctx
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{
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uint32_t A;
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uint32_t B;
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uint32_t C;
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uint32_t D;
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uint32_t total[2];
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uint32_t buflen; /* ≥ 0, ≤ 128 */
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uint32_t buffer[32]; /* 128 bytes; the first buflen bytes are in use */
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};
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/*
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* The following three functions are build up the low level used in
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* the functions 'md5_stream' and 'md5_buffer'.
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*/
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/* Initialize structure containing state of computation.
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(RFC 1321, 3.3: Step 3) */
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extern void __md5_init_ctx (struct md5_ctx *ctx) __THROW;
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/* Starting with the result of former calls of this function (or the
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initialization function update the context for the next LEN bytes
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starting at BUFFER.
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It is necessary that LEN is a multiple of 64!!! */
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extern void __md5_process_block (const void *buffer, size_t len,
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struct md5_ctx *ctx) __THROW;
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/* Starting with the result of former calls of this function (or the
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initialization function update the context for the next LEN bytes
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starting at BUFFER.
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It is NOT required that LEN is a multiple of 64. */
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extern void __md5_process_bytes (const void *buffer, size_t len,
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struct md5_ctx *ctx) __THROW;
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/* Process the remaining bytes in the buffer and put result from CTX
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in first 16 bytes following RESBUF. The result is always in little
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endian byte order, so that a byte-wise output yields to the wanted
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ASCII representation of the message digest. */
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extern void *__md5_finish_ctx (struct md5_ctx *ctx, void *restrict resbuf)
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__THROW;
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/* Put result from CTX in first 16 bytes following RESBUF. The result is
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always in little endian byte order, so that a byte-wise output yields
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to the wanted ASCII representation of the message digest. */
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extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *restrict resbuf)
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__THROW;
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/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
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result is always in little endian byte order, so that a byte-wise
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output yields to the wanted ASCII representation of the message
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digest. */
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extern void *__md5_buffer (const char *buffer, size_t len,
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void *restrict resblock) __THROW;
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# endif
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/* Compute MD5 message digest for bytes read from STREAM.
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STREAM is an open file stream. Regular files are handled more efficiently.
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The contents of STREAM from its current position to its end will be read.
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The case that the last operation on STREAM was an 'ungetc' is not supported.
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The resulting message digest number will be written into the 16 bytes
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beginning at RESBLOCK. */
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extern int __md5_stream (FILE *stream, void *resblock) __THROW;
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# ifdef __cplusplus
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}
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# endif
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#endif /* md5.h */
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/*
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* Hey Emacs!
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* Local Variables:
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* coding: utf-8
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* End:
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*/
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