Release Mbed Crypto 0.1.0a
diff --git a/include/mbedcrypto/md4.h b/include/mbedcrypto/md4.h
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+/**
+ * \file md4.h
+ *
+ * \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
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file is part of Mbed Crypto (https://tls.mbed.org)
+ *
+ */
+#ifndef MBEDCRYPTO_MD4_H
+#define MBEDCRYPTO_MD4_H
+
+#if !defined(MBEDCRYPTO_CONFIG_FILE)
+#include "config.h"
+#else
+#include MBEDCRYPTO_CONFIG_FILE
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define MBEDCRYPTO_ERR_MD4_HW_ACCEL_FAILED -0x002D /**< MD4 hardware accelerator failed */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(MBEDCRYPTO_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
+{
+ uint32_t total[2]; /*!< number of bytes processed */
+ uint32_t state[4]; /*!< intermediate digest state */
+ unsigned char buffer[64]; /*!< data block being processed */
+}
+mbedcrypto_md4_context;
+
+#else /* MBEDCRYPTO_MD4_ALT */
+#include "md4_alt.h"
+#endif /* MBEDCRYPTO_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 mbedcrypto_md4_init( mbedcrypto_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 mbedcrypto_md4_free( mbedcrypto_md4_context *ctx );
+
+/**
+ * \brief Clone (the state of) an MD4 context
+ *
+ * \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 mbedcrypto_md4_clone( mbedcrypto_md4_context *dst,
+ const mbedcrypto_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.
+ */
+int mbedcrypto_md4_starts_ret( mbedcrypto_md4_context *ctx );
+
+/**
+ * \brief MD4 process buffer
+ *
+ * \param ctx MD4 context
+ * \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.
+ *
+ */
+int mbedcrypto_md4_update_ret( mbedcrypto_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.
+ *
+ */
+int mbedcrypto_md4_finish_ret( mbedcrypto_md4_context *ctx,
+ unsigned char output[16] );
+
+/**
+ * \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 mbedcrypto_internal_md4_process( mbedcrypto_md4_context *ctx,
+ const unsigned char data[64] );
+
+#if !defined(MBEDCRYPTO_DEPRECATED_REMOVED)
+#if defined(MBEDCRYPTO_DEPRECATED_WARNING)
+#define MBEDCRYPTO_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDCRYPTO_DEPRECATED
+#endif
+/**
+ * \brief MD4 context setup
+ *
+ * \deprecated Superseded by mbedcrypto_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.
+ *
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_md4_starts( mbedcrypto_md4_context *ctx );
+
+/**
+ * \brief MD4 process buffer
+ *
+ * \deprecated Superseded by mbedcrypto_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.
+ *
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_md4_update( mbedcrypto_md4_context *ctx,
+ const unsigned char *input,
+ size_t ilen );
+
+/**
+ * \brief MD4 final digest
+ *
+ * \deprecated Superseded by mbedcrypto_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.
+ *
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_md4_finish( mbedcrypto_md4_context *ctx,
+ unsigned char output[16] );
+
+/**
+ * \brief MD4 process data block (internal use only)
+ *
+ * \deprecated Superseded by mbedcrypto_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.
+ *
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_md4_process( mbedcrypto_md4_context *ctx,
+ const unsigned char data[64] );
+
+#undef MBEDCRYPTO_DEPRECATED
+#endif /* !MBEDCRYPTO_DEPRECATED_REMOVED */
+
+/**
+ * \brief Output = MD4( input buffer )
+ *
+ * \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.
+ *
+ */
+int mbedcrypto_md4_ret( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[16] );
+
+#if !defined(MBEDCRYPTO_DEPRECATED_REMOVED)
+#if defined(MBEDCRYPTO_DEPRECATED_WARNING)
+#define MBEDCRYPTO_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDCRYPTO_DEPRECATED
+#endif
+/**
+ * \brief Output = MD4( input buffer )
+ *
+ * \deprecated Superseded by mbedcrypto_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.
+ *
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_md4( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[16] );
+
+#undef MBEDCRYPTO_DEPRECATED
+#endif /* !MBEDCRYPTO_DEPRECATED_REMOVED */
+
+/**
+ * \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 mbedcrypto_md4_self_test( int verbose );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* mbedcrypto_md4.h */