Release Mbed Crypto 0.1.0a
diff --git a/include/mbedcrypto/sha512.h b/include/mbedcrypto/sha512.h
new file mode 100644
index 0000000..f3f0fdf
--- /dev/null
+++ b/include/mbedcrypto/sha512.h
@@ -0,0 +1,270 @@
+/**
+ * \file sha512.h
+ * \brief This file contains SHA-384 and SHA-512 definitions and functions.
+ *
+ * The Secure Hash Algorithms 384 and 512 (SHA-384 and SHA-512) cryptographic
+ * hash functions are defined in <em>FIPS 180-4: Secure Hash Standard (SHS)</em>.
+ */
+/*
+ * Copyright (C) 2006-2018, Arm Limited (or its affiliates), 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_SHA512_H
+#define MBEDCRYPTO_SHA512_H
+
+#if !defined(MBEDCRYPTO_CONFIG_FILE)
+#include "config.h"
+#else
+#include MBEDCRYPTO_CONFIG_FILE
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define MBEDCRYPTO_ERR_SHA512_HW_ACCEL_FAILED -0x0039 /**< SHA-512 hardware accelerator failed */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(MBEDCRYPTO_SHA512_ALT)
+// Regular implementation
+//
+
+/**
+ * \brief The SHA-512 context structure.
+ *
+ * The structure is used both for SHA-384 and for SHA-512
+ * checksum calculations. The choice between these two is
+ * made in the call to mbedcrypto_sha512_starts_ret().
+ */
+typedef struct
+{
+ uint64_t total[2]; /*!< The number of Bytes processed. */
+ uint64_t state[8]; /*!< The intermediate digest state. */
+ unsigned char buffer[128]; /*!< The data block being processed. */
+ int is384; /*!< Determines which function to use:
+ 0: Use SHA-512, or 1: Use SHA-384. */
+}
+mbedcrypto_sha512_context;
+
+#else /* MBEDCRYPTO_SHA512_ALT */
+#include "sha512_alt.h"
+#endif /* MBEDCRYPTO_SHA512_ALT */
+
+/**
+ * \brief This function initializes a SHA-512 context.
+ *
+ * \param ctx The SHA-512 context to initialize.
+ */
+void mbedcrypto_sha512_init( mbedcrypto_sha512_context *ctx );
+
+/**
+ * \brief This function clears a SHA-512 context.
+ *
+ * \param ctx The SHA-512 context to clear.
+ */
+void mbedcrypto_sha512_free( mbedcrypto_sha512_context *ctx );
+
+/**
+ * \brief This function clones the state of a SHA-512 context.
+ *
+ * \param dst The destination context.
+ * \param src The context to clone.
+ */
+void mbedcrypto_sha512_clone( mbedcrypto_sha512_context *dst,
+ const mbedcrypto_sha512_context *src );
+
+/**
+ * \brief This function starts a SHA-384 or SHA-512 checksum
+ * calculation.
+ *
+ * \param ctx The SHA-512 context to initialize.
+ * \param is384 Determines which function to use:
+ * 0: Use SHA-512, or 1: Use SHA-384.
+ *
+ * \return \c 0 on success.
+ */
+int mbedcrypto_sha512_starts_ret( mbedcrypto_sha512_context *ctx, int is384 );
+
+/**
+ * \brief This function feeds an input buffer into an ongoing
+ * SHA-512 checksum calculation.
+ *
+ * \param ctx The SHA-512 context.
+ * \param input The buffer holding the input data.
+ * \param ilen The length of the input data.
+ *
+ * \return \c 0 on success.
+ */
+int mbedcrypto_sha512_update_ret( mbedcrypto_sha512_context *ctx,
+ const unsigned char *input,
+ size_t ilen );
+
+/**
+ * \brief This function finishes the SHA-512 operation, and writes
+ * the result to the output buffer. This function is for
+ * internal use only.
+ *
+ * \param ctx The SHA-512 context.
+ * \param output The SHA-384 or SHA-512 checksum result.
+ *
+ * \return \c 0 on success.
+ */
+int mbedcrypto_sha512_finish_ret( mbedcrypto_sha512_context *ctx,
+ unsigned char output[64] );
+
+/**
+ * \brief This function processes a single data block within
+ * the ongoing SHA-512 computation.
+ *
+ * \param ctx The SHA-512 context.
+ * \param data The buffer holding one block of data.
+ *
+ * \return \c 0 on success.
+ */
+int mbedcrypto_internal_sha512_process( mbedcrypto_sha512_context *ctx,
+ const unsigned char data[128] );
+#if !defined(MBEDCRYPTO_DEPRECATED_REMOVED)
+#if defined(MBEDCRYPTO_DEPRECATED_WARNING)
+#define MBEDCRYPTO_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDCRYPTO_DEPRECATED
+#endif
+/**
+ * \brief This function starts a SHA-384 or SHA-512 checksum
+ * calculation.
+ *
+ * \deprecated Superseded by mbedcrypto_sha512_starts_ret() in 2.7.0
+ *
+ * \param ctx The SHA-512 context to initialize.
+ * \param is384 Determines which function to use:
+ * 0: Use SHA-512, or 1: Use SHA-384.
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_sha512_starts( mbedcrypto_sha512_context *ctx,
+ int is384 );
+
+/**
+ * \brief This function feeds an input buffer into an ongoing
+ * SHA-512 checksum calculation.
+ *
+ * \deprecated Superseded by mbedcrypto_sha512_update_ret() in 2.7.0.
+ *
+ * \param ctx The SHA-512 context.
+ * \param input The buffer holding the data.
+ * \param ilen The length of the input data.
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_sha512_update( mbedcrypto_sha512_context *ctx,
+ const unsigned char *input,
+ size_t ilen );
+
+/**
+ * \brief This function finishes the SHA-512 operation, and writes
+ * the result to the output buffer.
+ *
+ * \deprecated Superseded by mbedcrypto_sha512_finish_ret() in 2.7.0.
+ *
+ * \param ctx The SHA-512 context.
+ * \param output The SHA-384 or SHA-512 checksum result.
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_sha512_finish( mbedcrypto_sha512_context *ctx,
+ unsigned char output[64] );
+
+/**
+ * \brief This function processes a single data block within
+ * the ongoing SHA-512 computation. This function is for
+ * internal use only.
+ *
+ * \deprecated Superseded by mbedcrypto_internal_sha512_process() in 2.7.0.
+ *
+ * \param ctx The SHA-512 context.
+ * \param data The buffer holding one block of data.
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_sha512_process(
+ mbedcrypto_sha512_context *ctx,
+ const unsigned char data[128] );
+
+#undef MBEDCRYPTO_DEPRECATED
+#endif /* !MBEDCRYPTO_DEPRECATED_REMOVED */
+
+/**
+ * \brief This function calculates the SHA-512 or SHA-384
+ * checksum of a buffer.
+ *
+ * The function allocates the context, performs the
+ * calculation, and frees the context.
+ *
+ * The SHA-512 result is calculated as
+ * output = SHA-512(input buffer).
+ *
+ * \param input The buffer holding the input data.
+ * \param ilen The length of the input data.
+ * \param output The SHA-384 or SHA-512 checksum result.
+ * \param is384 Determines which function to use:
+ * 0: Use SHA-512, or 1: Use SHA-384.
+ *
+ * \return \c 0 on success.
+ */
+int mbedcrypto_sha512_ret( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[64],
+ int is384 );
+
+#if !defined(MBEDCRYPTO_DEPRECATED_REMOVED)
+#if defined(MBEDCRYPTO_DEPRECATED_WARNING)
+#define MBEDCRYPTO_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDCRYPTO_DEPRECATED
+#endif
+/**
+ * \brief This function calculates the SHA-512 or SHA-384
+ * checksum of a buffer.
+ *
+ * The function allocates the context, performs the
+ * calculation, and frees the context.
+ *
+ * The SHA-512 result is calculated as
+ * output = SHA-512(input buffer).
+ *
+ * \deprecated Superseded by mbedcrypto_sha512_ret() in 2.7.0
+ *
+ * \param input The buffer holding the data.
+ * \param ilen The length of the input data.
+ * \param output The SHA-384 or SHA-512 checksum result.
+ * \param is384 Determines which function to use:
+ * 0: Use SHA-512, or 1: Use SHA-384.
+ */
+MBEDCRYPTO_DEPRECATED void mbedcrypto_sha512( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[64],
+ int is384 );
+
+#undef MBEDCRYPTO_DEPRECATED
+#endif /* !MBEDCRYPTO_DEPRECATED_REMOVED */
+ /**
+ * \brief The SHA-384 or SHA-512 checkup routine.
+ *
+ * \return \c 0 on success.
+ * \return \c 1 on failure.
+ */
+int mbedcrypto_sha512_self_test( int verbose );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* mbedcrypto_sha512.h */