*
* \brief MD4 message digest algorithm (hash function)
*
+ * \warning MD4 is considered a weak message digest and its use constitutes a
+ * security risk. We recommend considering stronger message digests
+ * instead.
+ */
+/*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
+ *
*/
#ifndef MBEDTLS_MD4_H
#define MBEDTLS_MD4_H
#include <stddef.h>
#include <stdint.h>
-#if !defined(MBEDTLS_MD4_ALT)
-// Regular implementation
-//
+/* MBEDTLS_ERR_MD4_HW_ACCEL_FAILED is deprecated and should not be used. */
+#define MBEDTLS_ERR_MD4_HW_ACCEL_FAILED -0x002D /**< MD4 hardware accelerator failed */
#ifdef __cplusplus
extern "C" {
#endif
+#if !defined(MBEDTLS_MD4_ALT)
+// Regular implementation
+//
+
/**
* \brief MD4 context structure
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
-typedef struct
+typedef struct mbedtls_md4_context
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[4]; /*!< intermediate digest state */
}
mbedtls_md4_context;
+#else /* MBEDTLS_MD4_ALT */
+#include "md4_alt.h"
+#endif /* MBEDTLS_MD4_ALT */
+
/**
* \brief Initialize MD4 context
*
* \param ctx MD4 context to be initialized
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
void mbedtls_md4_init( mbedtls_md4_context *ctx );
* \brief Clear MD4 context
*
* \param ctx MD4 context to be cleared
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
void mbedtls_md4_free( mbedtls_md4_context *ctx );
*
* \param dst The destination context
* \param src The context to be cloned
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
void mbedtls_md4_clone( mbedtls_md4_context *dst,
const mbedtls_md4_context *src );
* \brief MD4 context setup
*
* \param ctx context to be initialized
+ *
+ * \return 0 if successful
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
*/
-void mbedtls_md4_starts( mbedtls_md4_context *ctx );
+int mbedtls_md4_starts_ret( mbedtls_md4_context *ctx );
/**
* \brief MD4 process buffer
*
* \param ctx MD4 context
- * \param input buffer holding the data
+ * \param input buffer holding the data
* \param ilen length of the input data
+ *
+ * \return 0 if successful
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
-void mbedtls_md4_update( mbedtls_md4_context *ctx, const unsigned char *input, size_t ilen );
+int mbedtls_md4_update_ret( mbedtls_md4_context *ctx,
+ const unsigned char *input,
+ size_t ilen );
/**
* \brief MD4 final digest
*
* \param ctx MD4 context
* \param output MD4 checksum result
+ *
+ * \return 0 if successful
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
-void mbedtls_md4_finish( mbedtls_md4_context *ctx, unsigned char output[16] );
+int mbedtls_md4_finish_ret( mbedtls_md4_context *ctx,
+ unsigned char output[16] );
-#ifdef __cplusplus
-}
+/**
+ * \brief MD4 process data block (internal use only)
+ *
+ * \param ctx MD4 context
+ * \param data buffer holding one block of data
+ *
+ * \return 0 if successful
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
+ */
+int mbedtls_internal_md4_process( mbedtls_md4_context *ctx,
+ const unsigned char data[64] );
+
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+#if defined(MBEDTLS_DEPRECATED_WARNING)
+#define MBEDTLS_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDTLS_DEPRECATED
#endif
+/**
+ * \brief MD4 context setup
+ *
+ * \deprecated Superseded by mbedtls_md4_starts_ret() in 2.7.0
+ *
+ * \param ctx context to be initialized
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
+ */
+MBEDTLS_DEPRECATED void mbedtls_md4_starts( mbedtls_md4_context *ctx );
-#else /* MBEDTLS_MD4_ALT */
-#include "md4_alt.h"
-#endif /* MBEDTLS_MD4_ALT */
+/**
+ * \brief MD4 process buffer
+ *
+ * \deprecated Superseded by mbedtls_md4_update_ret() in 2.7.0
+ *
+ * \param ctx MD4 context
+ * \param input buffer holding the data
+ * \param ilen length of the input data
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
+ */
+MBEDTLS_DEPRECATED void mbedtls_md4_update( mbedtls_md4_context *ctx,
+ const unsigned char *input,
+ size_t ilen );
-#ifdef __cplusplus
-extern "C" {
-#endif
+/**
+ * \brief MD4 final digest
+ *
+ * \deprecated Superseded by mbedtls_md4_finish_ret() in 2.7.0
+ *
+ * \param ctx MD4 context
+ * \param output MD4 checksum result
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
+ */
+MBEDTLS_DEPRECATED void mbedtls_md4_finish( mbedtls_md4_context *ctx,
+ unsigned char output[16] );
+
+/**
+ * \brief MD4 process data block (internal use only)
+ *
+ * \deprecated Superseded by mbedtls_internal_md4_process() in 2.7.0
+ *
+ * \param ctx MD4 context
+ * \param data buffer holding one block of data
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
+ */
+MBEDTLS_DEPRECATED void mbedtls_md4_process( mbedtls_md4_context *ctx,
+ const unsigned char data[64] );
+
+#undef MBEDTLS_DEPRECATED
+#endif /* !MBEDTLS_DEPRECATED_REMOVED */
/**
* \brief Output = MD4( input buffer )
*
- * \param input buffer holding the data
+ * \param input buffer holding the data
* \param ilen length of the input data
* \param output MD4 checksum result
+ *
+ * \return 0 if successful
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
-void mbedtls_md4( const unsigned char *input, size_t ilen, unsigned char output[16] );
+int mbedtls_md4_ret( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[16] );
+
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+#if defined(MBEDTLS_DEPRECATED_WARNING)
+#define MBEDTLS_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDTLS_DEPRECATED
+#endif
+/**
+ * \brief Output = MD4( input buffer )
+ *
+ * \deprecated Superseded by mbedtls_md4_ret() in 2.7.0
+ *
+ * \param input buffer holding the data
+ * \param ilen length of the input data
+ * \param output MD4 checksum result
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
+ */
+MBEDTLS_DEPRECATED void mbedtls_md4( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[16] );
+
+#undef MBEDTLS_DEPRECATED
+#endif /* !MBEDTLS_DEPRECATED_REMOVED */
+
+#if defined(MBEDTLS_SELF_TEST)
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
+ *
+ * \warning MD4 is considered a weak message digest and its use
+ * constitutes a security risk. We recommend considering
+ * stronger message digests instead.
+ *
*/
int mbedtls_md4_self_test( int verbose );
-/* Internal use */
-void mbedtls_md4_process( mbedtls_md4_context *ctx, const unsigned char data[64] );
+#endif /* MBEDTLS_SELF_TEST */
#ifdef __cplusplus
}
projects / platform / upstream / iotivity.git / blobdiff