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-rw-r--r--lib/md4.c248
1 files changed, 222 insertions, 26 deletions
diff --git a/lib/md4.c b/lib/md4.c
index 0b4ea9a3..bbf89750 100644
--- a/lib/md4.c
+++ b/lib/md4.c
@@ -1,5 +1,223 @@
-/*
- * !checksrc! disable COPYRIGHT
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+
+#include "curl_md4.h"
+#include "warnless.h"
+
+#ifdef USE_OPENSSL
+#include <openssl/opensslconf.h>
+#endif
+#ifdef USE_MBEDTLS
+#include <mbedtls/config.h>
+#endif
+
+#if defined(USE_GNUTLS_NETTLE)
+
+#include <nettle/md4.h>
+
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct md4_ctx MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+ md4_init(ctx);
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+ md4_update(ctx, size, data);
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+ md4_digest(ctx, MD4_DIGEST_SIZE, result);
+}
+
+#elif defined(USE_GNUTLS)
+
+#include <gcrypt.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct gcry_md_hd_t MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+ gcry_md_open(ctx, GCRY_MD_MD4, 0);
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+ gcry_md_write(*ctx, data, size);
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+ memcpy(result, gcry_md_read(ctx, 0), MD4_DIGEST_LENGTH);
+ gcry_md_close(ctx);
+}
+
+#elif defined(USE_OPENSSL) && !defined(OPENSSL_NO_MD4)
+/* When OpenSSL is available we use the MD4-functions from OpenSSL */
+#include <openssl/md4.h>
+
+#elif defined(USE_SECTRANSP)
+
+#include <CommonCrypto/CommonDigest.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct {
+ void *data;
+ unsigned long size;
+} MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+ ctx->data = NULL;
+ ctx->size = 0;
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+ if(ctx->data == NULL) {
+ ctx->data = malloc(size);
+ if(ctx->data != NULL) {
+ memcpy(ctx->data, data, size);
+ ctx->size = size;
+ }
+ }
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+ if(ctx->data != NULL) {
+ (void)CC_MD4(ctx->data, (CC_LONG) ctx->size, result);
+
+ Curl_safefree(ctx->data);
+ ctx->size = 0;
+ }
+}
+
+#elif defined(USE_WIN32_CRYPTO)
+
+#include <wincrypt.h>
+
+#include "curl_memory.h"
+ /* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct {
+ HCRYPTPROV hCryptProv;
+ HCRYPTHASH hHash;
+} MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+ ctx->hCryptProv = 0;
+ ctx->hHash = 0;
+
+ if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_FULL,
+ CRYPT_VERIFYCONTEXT)) {
+ CryptCreateHash(ctx->hCryptProv, CALG_MD4, 0, 0, &ctx->hHash);
+ }
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+ CryptHashData(ctx->hHash, data, (unsigned int) size, 0);
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+ unsigned long length = 0;
+
+ CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
+ if(length == MD4_DIGEST_LENGTH)
+ CryptGetHashParam(ctx->hHash, HP_HASHVAL, result, &length, 0);
+
+ if(ctx->hHash)
+ CryptDestroyHash(ctx->hHash);
+
+ if(ctx->hCryptProv)
+ CryptReleaseContext(ctx->hCryptProv, 0);
+}
+
+#elif(defined(USE_MBEDTLS) && defined(MBEDTLS_MD4_C))
+
+#include <mbedtls/md4.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct {
+ void *data;
+ unsigned long size;
+} MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+ ctx->data = NULL;
+ ctx->size = 0;
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+ if(ctx->data == NULL) {
+ ctx->data = malloc(size);
+ if(ctx->data != NULL) {
+ memcpy(ctx->data, data, size);
+ ctx->size = size;
+ }
+ }
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+ if(ctx->data != NULL) {
+ mbedtls_md4(ctx->data, ctx->size, result);
+
+ Curl_safefree(ctx->data);
+ ctx->size = 0;
+ }
+}
+
+#else
+/* When no other crypto library is available, or the crypto library doesn't
+ * support MD4, we use this code segment this implementation of it
+ *
* This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
* MD4 Message-Digest Algorithm (RFC 1320).
*
@@ -36,26 +254,6 @@
* compile-time configuration.
*/
-#include "curl_setup.h"
-
-#ifdef USE_OPENSSL
-#include <openssl/opensslconf.h>
-#endif
-#ifdef USE_MBEDTLS
-#include <mbedtls/config.h>
-#endif
-
-/* The NSS, OS/400, and when not included, OpenSSL and mbed TLS crypto
- * libraries do not provide the MD4 hash algorithm, so we use this
- * implementation of it */
-#if defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
- (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
- (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
-
-#include "curl_md4.h"
-#include "warnless.h"
-
-#ifndef HAVE_OPENSSL
#include <string.h>
@@ -305,7 +503,7 @@ static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
memset(ctx, 0, sizeof(*ctx));
}
-#endif
+#endif /* CRYPTO LIBS */
void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len)
{
@@ -315,6 +513,4 @@ void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len)
MD4_Final(output, &ctx);
}
-#endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
- (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) ||
- (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */
+#endif /* CURL_DISABLE_CRYPTO_AUTH */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-27 08:17:41 +0000