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Diffstat (limited to 'lib/mbedtls-2.27.0/include/mbedtls/md2.h')
| -rw-r--r-- | lib/mbedtls-2.27.0/include/mbedtls/md2.h | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/include/mbedtls/md2.h b/lib/mbedtls-2.27.0/include/mbedtls/md2.h new file mode 100644 index 0000000..23c48f4 --- /dev/null +++ b/lib/mbedtls-2.27.0/include/mbedtls/md2.h @@ -0,0 +1,304 @@ +/** + * \file md2.h + * + * \brief MD2 message digest algorithm (hash function) + * + * \warning MD2 is considered a weak message digest and its use constitutes a + * security risk. We recommend considering stronger message digests + * instead. + */ +/* + * 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_MD2_H +#define MBEDTLS_MD2_H + +#if !defined(MBEDTLS_CONFIG_FILE) +#include "mbedtls/config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +#include <stddef.h> + +/* MBEDTLS_ERR_MD2_HW_ACCEL_FAILED is deprecated and should not be used. */ +#define MBEDTLS_ERR_MD2_HW_ACCEL_FAILED -0x002B /**< MD2 hardware accelerator failed */ + +#ifdef __cplusplus +extern "C" { +#endif + +#if !defined(MBEDTLS_MD2_ALT) +// Regular implementation +// + +/** + * \brief MD2 context structure + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +typedef struct mbedtls_md2_context +{ + unsigned char cksum[16]; /*!< checksum of the data block */ + unsigned char state[48]; /*!< intermediate digest state */ + unsigned char buffer[16]; /*!< data block being processed */ + size_t left; /*!< amount of data in buffer */ +} +mbedtls_md2_context; + +#else /* MBEDTLS_MD2_ALT */ +#include "md2_alt.h" +#endif /* MBEDTLS_MD2_ALT */ + +/** + * \brief Initialize MD2 context + * + * \param ctx MD2 context to be initialized + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +void mbedtls_md2_init( mbedtls_md2_context *ctx ); + +/** + * \brief Clear MD2 context + * + * \param ctx MD2 context to be cleared + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +void mbedtls_md2_free( mbedtls_md2_context *ctx ); + +/** + * \brief Clone (the state of) an MD2 context + * + * \param dst The destination context + * \param src The context to be cloned + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +void mbedtls_md2_clone( mbedtls_md2_context *dst, + const mbedtls_md2_context *src ); + +/** + * \brief MD2 context setup + * + * \param ctx context to be initialized + * + * \return 0 if successful + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +int mbedtls_md2_starts_ret( mbedtls_md2_context *ctx ); + +/** + * \brief MD2 process buffer + * + * \param ctx MD2 context + * \param input buffer holding the data + * \param ilen length of the input data + * + * \return 0 if successful + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +int mbedtls_md2_update_ret( mbedtls_md2_context *ctx, + const unsigned char *input, + size_t ilen ); + +/** + * \brief MD2 final digest + * + * \param ctx MD2 context + * \param output MD2 checksum result + * + * \return 0 if successful + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +int mbedtls_md2_finish_ret( mbedtls_md2_context *ctx, + unsigned char output[16] ); + +/** + * \brief MD2 process data block (internal use only) + * + * \param ctx MD2 context + * + * \return 0 if successful + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +int mbedtls_internal_md2_process( mbedtls_md2_context *ctx ); + +#if !defined(MBEDTLS_DEPRECATED_REMOVED) +#if defined(MBEDTLS_DEPRECATED_WARNING) +#define MBEDTLS_DEPRECATED __attribute__((deprecated)) +#else +#define MBEDTLS_DEPRECATED +#endif +/** + * \brief MD2 context setup + * + * \deprecated Superseded by mbedtls_md2_starts_ret() in 2.7.0 + * + * \param ctx context to be initialized + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +MBEDTLS_DEPRECATED void mbedtls_md2_starts( mbedtls_md2_context *ctx ); + +/** + * \brief MD2 process buffer + * + * \deprecated Superseded by mbedtls_md2_update_ret() in 2.7.0 + * + * \param ctx MD2 context + * \param input buffer holding the data + * \param ilen length of the input data + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +MBEDTLS_DEPRECATED void mbedtls_md2_update( mbedtls_md2_context *ctx, + const unsigned char *input, + size_t ilen ); + +/** + * \brief MD2 final digest + * + * \deprecated Superseded by mbedtls_md2_finish_ret() in 2.7.0 + * + * \param ctx MD2 context + * \param output MD2 checksum result + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +MBEDTLS_DEPRECATED void mbedtls_md2_finish( mbedtls_md2_context *ctx, + unsigned char output[16] ); + +/** + * \brief MD2 process data block (internal use only) + * + * \deprecated Superseded by mbedtls_internal_md2_process() in 2.7.0 + * + * \param ctx MD2 context + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +MBEDTLS_DEPRECATED void mbedtls_md2_process( mbedtls_md2_context *ctx ); + +#undef MBEDTLS_DEPRECATED +#endif /* !MBEDTLS_DEPRECATED_REMOVED */ + +/** + * \brief Output = MD2( input buffer ) + * + * \param input buffer holding the data + * \param ilen length of the input data + * \param output MD2 checksum result + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +int mbedtls_md2_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 = MD2( input buffer ) + * + * \deprecated Superseded by mbedtls_md2_ret() in 2.7.0 + * + * \param input buffer holding the data + * \param ilen length of the input data + * \param output MD2 checksum result + * + * \warning MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +MBEDTLS_DEPRECATED void mbedtls_md2( 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 MD2 is considered a weak message digest and its use + * constitutes a security risk. We recommend considering + * stronger message digests instead. + * + */ +int mbedtls_md2_self_test( int verbose ); + +#endif /* MBEDTLS_SELF_TEST */ + +#ifdef __cplusplus +} +#endif + +#endif /* mbedtls_md2.h */ |