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authorAdam Harrison <adamdharrison@gmail.com>2022-11-26 16:20:59 -0500
committerAdam Harrison <adamdharrison@gmail.com>2022-11-29 18:39:46 -0500
commitfc0c4ed9a3103e0e6534311923668879fc8e0875 (patch)
tree6e7723c3f45d39f06c243d9c18a3c038da948793 /lib/mbedtls-2.27.0/include/mbedtls/sha256.h
parent3836606e2b735ba7b2dc0f580231843660587fb4 (diff)
downloadlite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.tar.gz
lite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.zip
Removed openssl, and curl, and added mbedded tls.curl-removal
Almost fully removed curl, needs more testing. Fixed most issues, now trying to cross compile. Fix? Sigh.
Diffstat (limited to 'lib/mbedtls-2.27.0/include/mbedtls/sha256.h')
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+/**
+ * \file sha256.h
+ *
+ * \brief This file contains SHA-224 and SHA-256 definitions and functions.
+ *
+ * The Secure Hash Algorithms 224 and 256 (SHA-224 and SHA-256) cryptographic
+ * hash functions are defined in <em>FIPS 180-4: Secure Hash Standard (SHS)</em>.
+ */
+/*
+ * Copyright The Mbed TLS Contributors
+ * 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.
+ */
+#ifndef MBEDTLS_SHA256_H
+#define MBEDTLS_SHA256_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+/* MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED is deprecated and should not be used. */
+#define MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED -0x0037 /**< SHA-256 hardware accelerator failed */
+#define MBEDTLS_ERR_SHA256_BAD_INPUT_DATA -0x0074 /**< SHA-256 input data was malformed. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(MBEDTLS_SHA256_ALT)
+// Regular implementation
+//
+
+/**
+ * \brief The SHA-256 context structure.
+ *
+ * The structure is used both for SHA-256 and for SHA-224
+ * checksum calculations. The choice between these two is
+ * made in the call to mbedtls_sha256_starts_ret().
+ */
+typedef struct mbedtls_sha256_context
+{
+ uint32_t total[2]; /*!< The number of Bytes processed. */
+ uint32_t state[8]; /*!< The intermediate digest state. */
+ unsigned char buffer[64]; /*!< The data block being processed. */
+ int is224; /*!< Determines which function to use:
+ 0: Use SHA-256, or 1: Use SHA-224. */
+}
+mbedtls_sha256_context;
+
+#else /* MBEDTLS_SHA256_ALT */
+#include "sha256_alt.h"
+#endif /* MBEDTLS_SHA256_ALT */
+
+/**
+ * \brief This function initializes a SHA-256 context.
+ *
+ * \param ctx The SHA-256 context to initialize. This must not be \c NULL.
+ */
+void mbedtls_sha256_init( mbedtls_sha256_context *ctx );
+
+/**
+ * \brief This function clears a SHA-256 context.
+ *
+ * \param ctx The SHA-256 context to clear. This may be \c NULL, in which
+ * case this function returns immediately. If it is not \c NULL,
+ * it must point to an initialized SHA-256 context.
+ */
+void mbedtls_sha256_free( mbedtls_sha256_context *ctx );
+
+/**
+ * \brief This function clones the state of a SHA-256 context.
+ *
+ * \param dst The destination context. This must be initialized.
+ * \param src The context to clone. This must be initialized.
+ */
+void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
+ const mbedtls_sha256_context *src );
+
+/**
+ * \brief This function starts a SHA-224 or SHA-256 checksum
+ * calculation.
+ *
+ * \param ctx The context to use. This must be initialized.
+ * \param is224 This determines which function to use. This must be
+ * either \c 0 for SHA-256, or \c 1 for SHA-224.
+ *
+ * \return \c 0 on success.
+ * \return A negative error code on failure.
+ */
+int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 );
+
+/**
+ * \brief This function feeds an input buffer into an ongoing
+ * SHA-256 checksum calculation.
+ *
+ * \param ctx The SHA-256 context. This must be initialized
+ * and have a hash operation started.
+ * \param input The buffer holding the data. This must be a readable
+ * buffer of length \p ilen Bytes.
+ * \param ilen The length of the input data in Bytes.
+ *
+ * \return \c 0 on success.
+ * \return A negative error code on failure.
+ */
+int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
+ const unsigned char *input,
+ size_t ilen );
+
+/**
+ * \brief This function finishes the SHA-256 operation, and writes
+ * the result to the output buffer.
+ *
+ * \param ctx The SHA-256 context. This must be initialized
+ * and have a hash operation started.
+ * \param output The SHA-224 or SHA-256 checksum result.
+ * This must be a writable buffer of length \c 32 Bytes.
+ *
+ * \return \c 0 on success.
+ * \return A negative error code on failure.
+ */
+int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
+ unsigned char output[32] );
+
+/**
+ * \brief This function processes a single data block within
+ * the ongoing SHA-256 computation. This function is for
+ * internal use only.
+ *
+ * \param ctx The SHA-256 context. This must be initialized.
+ * \param data The buffer holding one block of data. This must
+ * be a readable buffer of length \c 64 Bytes.
+ *
+ * \return \c 0 on success.
+ * \return A negative error code on failure.
+ */
+int mbedtls_internal_sha256_process( mbedtls_sha256_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 This function starts a SHA-224 or SHA-256 checksum
+ * calculation.
+ *
+ * \deprecated Superseded by mbedtls_sha256_starts_ret() in 2.7.0.
+ *
+ * \param ctx The context to use. This must be initialized.
+ * \param is224 Determines which function to use. This must be
+ * either \c 0 for SHA-256, or \c 1 for SHA-224.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256_starts( mbedtls_sha256_context *ctx,
+ int is224 );
+
+/**
+ * \brief This function feeds an input buffer into an ongoing
+ * SHA-256 checksum calculation.
+ *
+ * \deprecated Superseded by mbedtls_sha256_update_ret() in 2.7.0.
+ *
+ * \param ctx The SHA-256 context to use. This must be
+ * initialized and have a hash operation started.
+ * \param input The buffer holding the data. This must be a readable
+ * buffer of length \p ilen Bytes.
+ * \param ilen The length of the input data in Bytes.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256_update( mbedtls_sha256_context *ctx,
+ const unsigned char *input,
+ size_t ilen );
+
+/**
+ * \brief This function finishes the SHA-256 operation, and writes
+ * the result to the output buffer.
+ *
+ * \deprecated Superseded by mbedtls_sha256_finish_ret() in 2.7.0.
+ *
+ * \param ctx The SHA-256 context. This must be initialized and
+ * have a hash operation started.
+ * \param output The SHA-224 or SHA-256 checksum result. This must be
+ * a writable buffer of length \c 32 Bytes.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
+ unsigned char output[32] );
+
+/**
+ * \brief This function processes a single data block within
+ * the ongoing SHA-256 computation. This function is for
+ * internal use only.
+ *
+ * \deprecated Superseded by mbedtls_internal_sha256_process() in 2.7.0.
+ *
+ * \param ctx The SHA-256 context. This must be initialized.
+ * \param data The buffer holding one block of data. This must be
+ * a readable buffer of size \c 64 Bytes.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256_process( mbedtls_sha256_context *ctx,
+ const unsigned char data[64] );
+
+#undef MBEDTLS_DEPRECATED
+#endif /* !MBEDTLS_DEPRECATED_REMOVED */
+
+/**
+ * \brief This function calculates the SHA-224 or SHA-256
+ * checksum of a buffer.
+ *
+ * The function allocates the context, performs the
+ * calculation, and frees the context.
+ *
+ * The SHA-256 result is calculated as
+ * output = SHA-256(input buffer).
+ *
+ * \param input The buffer holding the data. This must be a readable
+ * buffer of length \p ilen Bytes.
+ * \param ilen The length of the input data in Bytes.
+ * \param output The SHA-224 or SHA-256 checksum result. This must
+ * be a writable buffer of length \c 32 Bytes.
+ * \param is224 Determines which function to use. This must be
+ * either \c 0 for SHA-256, or \c 1 for SHA-224.
+ */
+int mbedtls_sha256_ret( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[32],
+ int is224 );
+
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+#if defined(MBEDTLS_DEPRECATED_WARNING)
+#define MBEDTLS_DEPRECATED __attribute__((deprecated))
+#else
+#define MBEDTLS_DEPRECATED
+#endif
+
+/**
+ * \brief This function calculates the SHA-224 or SHA-256 checksum
+ * of a buffer.
+ *
+ * The function allocates the context, performs the
+ * calculation, and frees the context.
+ *
+ * The SHA-256 result is calculated as
+ * output = SHA-256(input buffer).
+ *
+ * \deprecated Superseded by mbedtls_sha256_ret() in 2.7.0.
+ *
+ * \param input The buffer holding the data. This must be a readable
+ * buffer of length \p ilen Bytes.
+ * \param ilen The length of the input data in Bytes.
+ * \param output The SHA-224 or SHA-256 checksum result. This must be
+ * a writable buffer of length \c 32 Bytes.
+ * \param is224 Determines which function to use. This must be either
+ * \c 0 for SHA-256, or \c 1 for SHA-224.
+ */
+MBEDTLS_DEPRECATED void mbedtls_sha256( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[32],
+ int is224 );
+
+#undef MBEDTLS_DEPRECATED
+#endif /* !MBEDTLS_DEPRECATED_REMOVED */
+
+#if defined(MBEDTLS_SELF_TEST)
+
+/**
+ * \brief The SHA-224 and SHA-256 checkup routine.
+ *
+ * \return \c 0 on success.
+ * \return \c 1 on failure.
+ */
+int mbedtls_sha256_self_test( int verbose );
+
+#endif /* MBEDTLS_SELF_TEST */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* mbedtls_sha256.h */