mirror of
https://github.com/curl/curl.git
synced 2026-04-11 12:01:42 +08:00
e9eddedf38
This reverts commit 21fc17b265.
That was not properly thought through. PowerPC can run in either endian
and the preprocessor does not know which.
Ref: #20985
Closes #21058
442 lines
13 KiB
C
442 lines
13 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#ifdef USE_CURL_NTLM_CORE
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#include "curl_md4.h"
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#ifdef USE_OPENSSL
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#include <openssl/opensslv.h>
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#if OPENSSL_VERSION_NUMBER >= 0x30000000L && !defined(USE_AMISSL)
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/* OpenSSL 3.0.0 marks the MD4 functions as deprecated */
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#define OPENSSL_NO_MD4
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#else
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/* Cover also OPENSSL_NO_MD4 configured in openssl */
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#include <openssl/opensslconf.h>
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#endif
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#endif /* USE_OPENSSL */
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#ifdef USE_WOLFSSL
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#include <wolfssl/options.h>
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#endif
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/* When OpenSSL or wolfSSL is available, we use their MD4 functions. */
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#if defined(USE_WOLFSSL) && !defined(NO_MD4)
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#include <wolfssl/openssl/md4.h>
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#define VOID_MD4_INIT
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#ifdef OPENSSL_COEXIST
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# define MD4_CTX WOLFSSL_MD4_CTX
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# define MD4_Init wolfSSL_MD4_Init
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# define MD4_Update wolfSSL_MD4_Update
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# define MD4_Final wolfSSL_MD4_Final
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#endif
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#elif defined(USE_OPENSSL) && !defined(OPENSSL_NO_MD4)
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#include <openssl/md4.h>
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#elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \
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(__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040) && \
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defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \
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(__MAC_OS_X_VERSION_MIN_REQUIRED < 101500)) || \
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(defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \
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(__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000) && \
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defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && \
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(__IPHONE_OS_VERSION_MIN_REQUIRED < 130000))
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#include <CommonCrypto/CommonDigest.h>
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typedef CC_MD4_CTX MD4_CTX;
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static int MD4_Init(MD4_CTX *ctx)
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{
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return CC_MD4_Init(ctx);
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}
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static void MD4_Update(MD4_CTX *ctx, const void *input, unsigned long len)
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{
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(void)CC_MD4_Update(ctx, input, (CC_LONG)len);
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}
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static void MD4_Final(unsigned char *digest, MD4_CTX *ctx)
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{
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(void)CC_MD4_Final(digest, ctx);
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}
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#elif defined(USE_WIN32_CRYPTO)
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#include <wincrypt.h>
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struct md4_ctx {
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HCRYPTPROV hCryptProv;
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HCRYPTHASH hHash;
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};
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typedef struct md4_ctx MD4_CTX;
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static int MD4_Init(MD4_CTX *ctx)
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{
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ctx->hCryptProv = 0;
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ctx->hHash = 0;
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if(!CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_FULL,
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CRYPT_VERIFYCONTEXT | CRYPT_SILENT))
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return 0;
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if(!CryptCreateHash(ctx->hCryptProv, CALG_MD4, 0, 0, &ctx->hHash)) {
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CryptReleaseContext(ctx->hCryptProv, 0);
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ctx->hCryptProv = 0;
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return 0;
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}
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return 1;
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}
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static void MD4_Update(MD4_CTX *ctx, const void *input, unsigned long len)
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{
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CryptHashData(ctx->hHash, (const BYTE *)input, (unsigned int)len, 0);
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}
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static void MD4_Final(unsigned char *digest, MD4_CTX *ctx)
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{
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unsigned long length = 0;
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CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
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if(length == MD4_DIGEST_LENGTH)
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CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0);
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if(ctx->hHash)
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CryptDestroyHash(ctx->hHash);
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if(ctx->hCryptProv)
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CryptReleaseContext(ctx->hCryptProv, 0);
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}
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#elif defined(USE_GNUTLS)
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#include <nettle/md4.h>
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typedef struct md4_ctx MD4_CTX;
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static int MD4_Init(MD4_CTX *ctx)
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{
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md4_init(ctx);
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return 1;
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}
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static void MD4_Update(MD4_CTX *ctx, const void *input, unsigned long len)
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{
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md4_update(ctx, len, input);
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}
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static void MD4_Final(unsigned char *digest, MD4_CTX *ctx)
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{
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md4_digest(ctx, MD4_DIGEST_SIZE, digest);
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}
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#else
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/* When no other crypto library is available, or the crypto library does not
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* support MD4, we use this code segment this implementation of it
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*
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* This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
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* MD4 Message-Digest Algorithm (RFC 1320).
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*
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* Homepage:
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* https://openwall.info/wiki/people/solar/software/public-domain-source-code/md4
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*
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* Author:
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* Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
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*
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* This software was written by Alexander Peslyak in 2001. No copyright is
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* claimed, and the software is hereby placed in the public domain. In case
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* this attempt to disclaim copyright and place the software in the public
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* domain is deemed null and void, then the software is Copyright (c) 2001
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* Alexander Peslyak and it is hereby released to the general public under
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* the following terms:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted.
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*
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* There is ABSOLUTELY NO WARRANTY, express or implied.
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*
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* (This is a heavily cut-down "BSD license".)
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*/
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struct md4_ctx {
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uint32_t lo, hi;
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uint32_t a, b, c, d;
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unsigned char buffer[64];
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uint32_t block[16];
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};
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typedef struct md4_ctx MD4_CTX;
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/*
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* The basic MD4 functions.
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*
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* F and G are optimized compared to their RFC 1320 definitions, with the
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* optimization for F borrowed from Colin Plumb's MD5 implementation.
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*/
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#define MD4_F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
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#define MD4_G(x, y, z) (((x) & ((y) | (z))) | ((y) & (z)))
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#define MD4_H(x, y, z) ((x) ^ (y) ^ (z))
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/*
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* The MD4 transformation for all three rounds.
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*/
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#define MD4_STEP(f, a, b, c, d, x, s) \
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(a) += f(b, c, d) + (x); \
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(a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s))));
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/*
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* SET reads 4 input bytes in little-endian byte order and stores them
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* in a properly aligned word in host byte order.
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*
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* The check for little-endian architectures that tolerate unaligned memory
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* accesses is an optimization. Nothing will break if it does not work.
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*/
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#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
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#define MD4_SET(n) (*(const uint32_t *)(const void *)&ptr[(n) * 4])
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#define MD4_GET(n) MD4_SET(n)
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#else
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#define MD4_SET(n) (ctx->block[n] = \
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(uint32_t)ptr[(n) * 4] | \
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((uint32_t)ptr[((n) * 4) + 1] << 8) | \
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((uint32_t)ptr[((n) * 4) + 2] << 16) | \
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((uint32_t)ptr[((n) * 4) + 3] << 24))
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#define MD4_GET(n) ctx->block[n]
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#endif
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/*
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* This processes one or more 64-byte data blocks, but does NOT update
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* the bit counters. There are no alignment requirements.
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*/
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static const void *my_md4_body(MD4_CTX *ctx,
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const void *input, unsigned long size)
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{
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const unsigned char *ptr;
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uint32_t a, b, c, d;
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ptr = (const unsigned char *)input;
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a = ctx->a;
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b = ctx->b;
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c = ctx->c;
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d = ctx->d;
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do {
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uint32_t saved_a, saved_b, saved_c, saved_d;
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saved_a = a;
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saved_b = b;
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saved_c = c;
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saved_d = d;
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/* Round 1 */
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MD4_STEP(MD4_F, a, b, c, d, MD4_SET(0), 3)
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MD4_STEP(MD4_F, d, a, b, c, MD4_SET(1), 7)
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MD4_STEP(MD4_F, c, d, a, b, MD4_SET(2), 11)
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MD4_STEP(MD4_F, b, c, d, a, MD4_SET(3), 19)
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MD4_STEP(MD4_F, a, b, c, d, MD4_SET(4), 3)
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MD4_STEP(MD4_F, d, a, b, c, MD4_SET(5), 7)
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MD4_STEP(MD4_F, c, d, a, b, MD4_SET(6), 11)
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MD4_STEP(MD4_F, b, c, d, a, MD4_SET(7), 19)
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MD4_STEP(MD4_F, a, b, c, d, MD4_SET(8), 3)
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MD4_STEP(MD4_F, d, a, b, c, MD4_SET(9), 7)
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MD4_STEP(MD4_F, c, d, a, b, MD4_SET(10), 11)
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MD4_STEP(MD4_F, b, c, d, a, MD4_SET(11), 19)
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MD4_STEP(MD4_F, a, b, c, d, MD4_SET(12), 3)
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MD4_STEP(MD4_F, d, a, b, c, MD4_SET(13), 7)
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MD4_STEP(MD4_F, c, d, a, b, MD4_SET(14), 11)
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MD4_STEP(MD4_F, b, c, d, a, MD4_SET(15), 19)
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/* Round 2 */
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MD4_STEP(MD4_G, a, b, c, d, MD4_GET(0) + 0x5a827999, 3)
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MD4_STEP(MD4_G, d, a, b, c, MD4_GET(4) + 0x5a827999, 5)
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MD4_STEP(MD4_G, c, d, a, b, MD4_GET(8) + 0x5a827999, 9)
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MD4_STEP(MD4_G, b, c, d, a, MD4_GET(12) + 0x5a827999, 13)
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MD4_STEP(MD4_G, a, b, c, d, MD4_GET(1) + 0x5a827999, 3)
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MD4_STEP(MD4_G, d, a, b, c, MD4_GET(5) + 0x5a827999, 5)
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MD4_STEP(MD4_G, c, d, a, b, MD4_GET(9) + 0x5a827999, 9)
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MD4_STEP(MD4_G, b, c, d, a, MD4_GET(13) + 0x5a827999, 13)
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MD4_STEP(MD4_G, a, b, c, d, MD4_GET(2) + 0x5a827999, 3)
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MD4_STEP(MD4_G, d, a, b, c, MD4_GET(6) + 0x5a827999, 5)
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MD4_STEP(MD4_G, c, d, a, b, MD4_GET(10) + 0x5a827999, 9)
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MD4_STEP(MD4_G, b, c, d, a, MD4_GET(14) + 0x5a827999, 13)
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MD4_STEP(MD4_G, a, b, c, d, MD4_GET(3) + 0x5a827999, 3)
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MD4_STEP(MD4_G, d, a, b, c, MD4_GET(7) + 0x5a827999, 5)
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MD4_STEP(MD4_G, c, d, a, b, MD4_GET(11) + 0x5a827999, 9)
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MD4_STEP(MD4_G, b, c, d, a, MD4_GET(15) + 0x5a827999, 13)
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/* Round 3 */
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MD4_STEP(MD4_H, a, b, c, d, MD4_GET(0) + 0x6ed9eba1, 3)
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MD4_STEP(MD4_H, d, a, b, c, MD4_GET(8) + 0x6ed9eba1, 9)
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MD4_STEP(MD4_H, c, d, a, b, MD4_GET(4) + 0x6ed9eba1, 11)
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MD4_STEP(MD4_H, b, c, d, a, MD4_GET(12) + 0x6ed9eba1, 15)
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MD4_STEP(MD4_H, a, b, c, d, MD4_GET(2) + 0x6ed9eba1, 3)
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MD4_STEP(MD4_H, d, a, b, c, MD4_GET(10) + 0x6ed9eba1, 9)
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MD4_STEP(MD4_H, c, d, a, b, MD4_GET(6) + 0x6ed9eba1, 11)
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MD4_STEP(MD4_H, b, c, d, a, MD4_GET(14) + 0x6ed9eba1, 15)
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MD4_STEP(MD4_H, a, b, c, d, MD4_GET(1) + 0x6ed9eba1, 3)
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MD4_STEP(MD4_H, d, a, b, c, MD4_GET(9) + 0x6ed9eba1, 9)
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MD4_STEP(MD4_H, c, d, a, b, MD4_GET(5) + 0x6ed9eba1, 11)
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MD4_STEP(MD4_H, b, c, d, a, MD4_GET(13) + 0x6ed9eba1, 15)
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MD4_STEP(MD4_H, a, b, c, d, MD4_GET(3) + 0x6ed9eba1, 3)
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MD4_STEP(MD4_H, d, a, b, c, MD4_GET(11) + 0x6ed9eba1, 9)
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MD4_STEP(MD4_H, c, d, a, b, MD4_GET(7) + 0x6ed9eba1, 11)
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MD4_STEP(MD4_H, b, c, d, a, MD4_GET(15) + 0x6ed9eba1, 15)
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a += saved_a;
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b += saved_b;
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c += saved_c;
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d += saved_d;
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ptr += 64;
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} while(size -= 64);
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ctx->a = a;
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ctx->b = b;
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ctx->c = c;
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ctx->d = d;
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return ptr;
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}
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static int MD4_Init(MD4_CTX *ctx)
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{
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ctx->a = 0x67452301;
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ctx->b = 0xefcdab89;
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ctx->c = 0x98badcfe;
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ctx->d = 0x10325476;
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ctx->lo = 0;
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ctx->hi = 0;
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return 1;
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}
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static void MD4_Update(MD4_CTX *ctx, const void *input, unsigned long len)
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{
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uint32_t saved_lo;
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unsigned long used;
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saved_lo = ctx->lo;
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ctx->lo = (saved_lo + len) & 0x1fffffff;
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if(ctx->lo < saved_lo)
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ctx->hi++;
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ctx->hi += (uint32_t)len >> 29;
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used = saved_lo & 0x3f;
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if(used) {
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unsigned long available = 64 - used;
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if(len < available) {
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memcpy(&ctx->buffer[used], input, len);
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return;
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}
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memcpy(&ctx->buffer[used], input, available);
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input = (const unsigned char *)input + available;
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len -= available;
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my_md4_body(ctx, ctx->buffer, 64);
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}
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if(len >= 64) {
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input = my_md4_body(ctx, input, len & ~(unsigned long)0x3f);
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len &= 0x3f;
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}
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memcpy(ctx->buffer, input, len);
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}
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static void MD4_Final(unsigned char *digest, MD4_CTX *ctx)
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{
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unsigned long used, available;
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used = ctx->lo & 0x3f;
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ctx->buffer[used++] = 0x80;
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available = 64 - used;
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if(available < 8) {
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memset(&ctx->buffer[used], 0, available);
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my_md4_body(ctx, ctx->buffer, 64);
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used = 0;
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available = 64;
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}
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memset(&ctx->buffer[used], 0, available - 8);
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ctx->lo <<= 3;
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ctx->buffer[56] = curlx_ultouc((ctx->lo) & 0xff);
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ctx->buffer[57] = curlx_ultouc((ctx->lo >> 8) & 0xff);
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ctx->buffer[58] = curlx_ultouc((ctx->lo >> 16) & 0xff);
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ctx->buffer[59] = curlx_ultouc((ctx->lo >> 24) & 0xff);
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ctx->buffer[60] = curlx_ultouc((ctx->hi) & 0xff);
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ctx->buffer[61] = curlx_ultouc((ctx->hi >> 8) & 0xff);
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ctx->buffer[62] = curlx_ultouc((ctx->hi >> 16) & 0xff);
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ctx->buffer[63] = curlx_ultouc(ctx->hi >> 24);
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my_md4_body(ctx, ctx->buffer, 64);
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digest[0] = curlx_ultouc((ctx->a) & 0xff);
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digest[1] = curlx_ultouc((ctx->a >> 8) & 0xff);
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digest[2] = curlx_ultouc((ctx->a >> 16) & 0xff);
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digest[3] = curlx_ultouc(ctx->a >> 24);
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digest[4] = curlx_ultouc((ctx->b) & 0xff);
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digest[5] = curlx_ultouc((ctx->b >> 8) & 0xff);
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digest[6] = curlx_ultouc((ctx->b >> 16) & 0xff);
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digest[7] = curlx_ultouc(ctx->b >> 24);
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digest[8] = curlx_ultouc((ctx->c) & 0xff);
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digest[9] = curlx_ultouc((ctx->c >> 8) & 0xff);
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digest[10] = curlx_ultouc((ctx->c >> 16) & 0xff);
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digest[11] = curlx_ultouc(ctx->c >> 24);
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digest[12] = curlx_ultouc((ctx->d) & 0xff);
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digest[13] = curlx_ultouc((ctx->d >> 8) & 0xff);
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digest[14] = curlx_ultouc((ctx->d >> 16) & 0xff);
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digest[15] = curlx_ultouc(ctx->d >> 24);
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memset(ctx, 0, sizeof(*ctx));
|
|
}
|
|
|
|
#endif /* CRYPTO LIBS */
|
|
|
|
CURLcode Curl_md4it(unsigned char *output,
|
|
const unsigned char *input, const size_t len)
|
|
{
|
|
MD4_CTX ctx;
|
|
|
|
#ifdef VOID_MD4_INIT
|
|
MD4_Init(&ctx);
|
|
#else
|
|
if(!MD4_Init(&ctx))
|
|
return CURLE_FAILED_INIT;
|
|
#endif
|
|
|
|
MD4_Update(&ctx, input, curlx_uztoui(len));
|
|
MD4_Final(output, &ctx);
|
|
return CURLE_OK;
|
|
}
|
|
|
|
#endif /* USE_CURL_NTLM_CORE */
|