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rom/riscv3/romlib/crypto/mbedtls-2.4.0/include/mbedtls/kdf.h

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+/**
+ * Copyright (C) 2015-2016 Virgil Security Inc.
+ *
+ * Lead Maintainer: Virgil Security Inc. <support@virgilsecurity.com>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     (1) Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *     (2) Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *
+ *     (3) Neither the name of the copyright holder nor the names of its
+ *     contributors may be used to endorse or promote products derived from
+ *     this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This file is part of extension to mbed TLS (https://tls.mbed.org)
+ */
+
+#ifndef MBEDTLS_KDF_H
+#define MBEDTLS_KDF_H
+
+#include <string.h>
+
+#include "md.h"
+
+#define MBEDTLS_ERR_KDF_BAD_INPUT_DATA                     -0x5F80  /**< Bad input parameters to function. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    MBEDTLS_KDF_NONE=0,
+    MBEDTLS_KDF_KDF1,
+    MBEDTLS_KDF_KDF2,
+} mbedtls_kdf_type_t;
+
+/**
+ * Opaque struct defined in kdf_internal.h
+ */
+typedef struct mbedtls_kdf_info_t mbedtls_kdf_info_t;
+
+/**
+ * \brief Returns the list of key derivation functions supported by the key derivation module.
+ *
+ * \return          a statically allocated array of key derivation functions, the last entry
+ *                  is 0.
+ */
+const int *mbedtls_kdf_list( void );
+
+/**
+ * \brief           Returns the key derivation function information associated with the
+ *                  given key derivation function name.
+ *
+ * \param kdf_name  Name of the key derivation function to search for.
+ *
+ * \return          The key derivation function information associated with kdf_name or
+ *                  NULL if not found.
+ */
+const mbedtls_kdf_info_t *mbedtls_kdf_info_from_string( const char *kdf_name );
+
+/**
+ * \brief           Returns the key derivation function information associated with the
+ *                  given key derivation function type.
+ *
+ * \param kdf_type  type of key derivation function to search for.
+ *
+ * \return          The key derivation function information associated with kdf_type or
+ *                  NULL if not found.
+ */
+const mbedtls_kdf_info_t *mbedtls_kdf_info_from_type( mbedtls_kdf_type_t kdf_type );
+
+/**
+ * \brief           Returns the name of the key derivation function.
+ *
+ * \param kdf_info  key derivation function info
+ *
+ * \return          name of the key derivation function.
+ */
+const char *mbedtls_kdf_get_name( const mbedtls_kdf_info_t *kdf_info );
+
+/**
+ * \brief           Returns the type of the key derivation function.
+ *
+ * \param kdf_info  key derivation function info
+ *
+ * \return          type of the key derivation function.
+ */
+mbedtls_kdf_type_t mbedtls_kdf_get_type( const mbedtls_kdf_info_t *kdf_info );
+
+/**
+ * \brief          Output = message_key derivation function( input buffer )
+ *
+ * \param kdf_info key derivation function info
+ * \param md_info  message digest info
+ * \param input    buffer holding the  data
+ * \param ilen     length of the input data
+ * \param output   Generic key derivation function checksum result
+ * \param olen     Generic key derivation function checksum result length
+ *
+ * \returns        0 on success, MBEDTLS_ERR_MD_BAD_INPUT_DATA if parameter
+ *                 verification fails.
+ */
+int mbedtls_kdf( const mbedtls_kdf_info_t *kdf_info, const mbedtls_md_info_t *md_info,
+        const unsigned char *input, size_t ilen, unsigned char *output, size_t olen );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MBEDTLS_KDF_H */