diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/include/mbedtls/des.h')
| -rw-r--r-- | lib/mbedtls-2.27.0/include/mbedtls/des.h | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/lib/mbedtls-2.27.0/include/mbedtls/des.h b/lib/mbedtls-2.27.0/include/mbedtls/des.h deleted file mode 100644 index 549d19b..0000000 --- a/lib/mbedtls-2.27.0/include/mbedtls/des.h +++ /dev/null @@ -1,354 +0,0 @@ -/** - * \file des.h - * - * \brief DES block cipher - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * 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_DES_H -#define MBEDTLS_DES_H - -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif - -#include <stddef.h> -#include <stdint.h> - -#define MBEDTLS_DES_ENCRYPT 1 -#define MBEDTLS_DES_DECRYPT 0 - -#define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH -0x0032 /**< The data input has an invalid length. */ - -/* MBEDTLS_ERR_DES_HW_ACCEL_FAILED is deprecated and should not be used. */ -#define MBEDTLS_ERR_DES_HW_ACCEL_FAILED -0x0033 /**< DES hardware accelerator failed. */ - -#define MBEDTLS_DES_KEY_SIZE 8 - -#ifdef __cplusplus -extern "C" { -#endif - -#if !defined(MBEDTLS_DES_ALT) -// Regular implementation -// - -/** - * \brief DES context structure - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -typedef struct mbedtls_des_context -{ - uint32_t sk[32]; /*!< DES subkeys */ -} -mbedtls_des_context; - -/** - * \brief Triple-DES context structure - */ -typedef struct mbedtls_des3_context -{ - uint32_t sk[96]; /*!< 3DES subkeys */ -} -mbedtls_des3_context; - -#else /* MBEDTLS_DES_ALT */ -#include "des_alt.h" -#endif /* MBEDTLS_DES_ALT */ - -/** - * \brief Initialize DES context - * - * \param ctx DES context to be initialized - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -void mbedtls_des_init( mbedtls_des_context *ctx ); - -/** - * \brief Clear DES context - * - * \param ctx DES context to be cleared - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -void mbedtls_des_free( mbedtls_des_context *ctx ); - -/** - * \brief Initialize Triple-DES context - * - * \param ctx DES3 context to be initialized - */ -void mbedtls_des3_init( mbedtls_des3_context *ctx ); - -/** - * \brief Clear Triple-DES context - * - * \param ctx DES3 context to be cleared - */ -void mbedtls_des3_free( mbedtls_des3_context *ctx ); - -/** - * \brief Set key parity on the given key to odd. - * - * DES keys are 56 bits long, but each byte is padded with - * a parity bit to allow verification. - * - * \param key 8-byte secret key - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -void mbedtls_des_key_set_parity( unsigned char key[MBEDTLS_DES_KEY_SIZE] ); - -/** - * \brief Check that key parity on the given key is odd. - * - * DES keys are 56 bits long, but each byte is padded with - * a parity bit to allow verification. - * - * \param key 8-byte secret key - * - * \return 0 is parity was ok, 1 if parity was not correct. - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -int mbedtls_des_key_check_key_parity( const unsigned char key[MBEDTLS_DES_KEY_SIZE] ); - -/** - * \brief Check that key is not a weak or semi-weak DES key - * - * \param key 8-byte secret key - * - * \return 0 if no weak key was found, 1 if a weak key was identified. - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -int mbedtls_des_key_check_weak( const unsigned char key[MBEDTLS_DES_KEY_SIZE] ); - -/** - * \brief DES key schedule (56-bit, encryption) - * - * \param ctx DES context to be initialized - * \param key 8-byte secret key - * - * \return 0 - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -int mbedtls_des_setkey_enc( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] ); - -/** - * \brief DES key schedule (56-bit, decryption) - * - * \param ctx DES context to be initialized - * \param key 8-byte secret key - * - * \return 0 - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -int mbedtls_des_setkey_dec( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] ); - -/** - * \brief Triple-DES key schedule (112-bit, encryption) - * - * \param ctx 3DES context to be initialized - * \param key 16-byte secret key - * - * \return 0 - */ -int mbedtls_des3_set2key_enc( mbedtls_des3_context *ctx, - const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] ); - -/** - * \brief Triple-DES key schedule (112-bit, decryption) - * - * \param ctx 3DES context to be initialized - * \param key 16-byte secret key - * - * \return 0 - */ -int mbedtls_des3_set2key_dec( mbedtls_des3_context *ctx, - const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] ); - -/** - * \brief Triple-DES key schedule (168-bit, encryption) - * - * \param ctx 3DES context to be initialized - * \param key 24-byte secret key - * - * \return 0 - */ -int mbedtls_des3_set3key_enc( mbedtls_des3_context *ctx, - const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] ); - -/** - * \brief Triple-DES key schedule (168-bit, decryption) - * - * \param ctx 3DES context to be initialized - * \param key 24-byte secret key - * - * \return 0 - */ -int mbedtls_des3_set3key_dec( mbedtls_des3_context *ctx, - const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] ); - -/** - * \brief DES-ECB block encryption/decryption - * - * \param ctx DES context - * \param input 64-bit input block - * \param output 64-bit output block - * - * \return 0 if successful - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -int mbedtls_des_crypt_ecb( mbedtls_des_context *ctx, - const unsigned char input[8], - unsigned char output[8] ); - -#if defined(MBEDTLS_CIPHER_MODE_CBC) -/** - * \brief DES-CBC buffer encryption/decryption - * - * \note Upon exit, the content of the IV is updated so that you can - * call the function same function again on the following - * block(s) of data and get the same result as if it was - * encrypted in one call. This allows a "streaming" usage. - * If on the other hand you need to retain the contents of the - * IV, you should either save it manually or use the cipher - * module instead. - * - * \param ctx DES context - * \param mode MBEDTLS_DES_ENCRYPT or MBEDTLS_DES_DECRYPT - * \param length length of the input data - * \param iv initialization vector (updated after use) - * \param input buffer holding the input data - * \param output buffer holding the output data - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx, - int mode, - size_t length, - unsigned char iv[8], - const unsigned char *input, - unsigned char *output ); -#endif /* MBEDTLS_CIPHER_MODE_CBC */ - -/** - * \brief 3DES-ECB block encryption/decryption - * - * \param ctx 3DES context - * \param input 64-bit input block - * \param output 64-bit output block - * - * \return 0 if successful - */ -int mbedtls_des3_crypt_ecb( mbedtls_des3_context *ctx, - const unsigned char input[8], - unsigned char output[8] ); - -#if defined(MBEDTLS_CIPHER_MODE_CBC) -/** - * \brief 3DES-CBC buffer encryption/decryption - * - * \note Upon exit, the content of the IV is updated so that you can - * call the function same function again on the following - * block(s) of data and get the same result as if it was - * encrypted in one call. This allows a "streaming" usage. - * If on the other hand you need to retain the contents of the - * IV, you should either save it manually or use the cipher - * module instead. - * - * \param ctx 3DES context - * \param mode MBEDTLS_DES_ENCRYPT or MBEDTLS_DES_DECRYPT - * \param length length of the input data - * \param iv initialization vector (updated after use) - * \param input buffer holding the input data - * \param output buffer holding the output data - * - * \return 0 if successful, or MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH - */ -int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx, - int mode, - size_t length, - unsigned char iv[8], - const unsigned char *input, - unsigned char *output ); -#endif /* MBEDTLS_CIPHER_MODE_CBC */ - -/** - * \brief Internal function for key expansion. - * (Only exposed to allow overriding it, - * see MBEDTLS_DES_SETKEY_ALT) - * - * \param SK Round keys - * \param key Base key - * - * \warning DES is considered a weak cipher and its use constitutes a - * security risk. We recommend considering stronger ciphers - * instead. - */ -void mbedtls_des_setkey( uint32_t SK[32], - const unsigned char key[MBEDTLS_DES_KEY_SIZE] ); - -#if defined(MBEDTLS_SELF_TEST) - -/** - * \brief Checkup routine - * - * \return 0 if successful, or 1 if the test failed - */ -int mbedtls_des_self_test( int verbose ); - -#endif /* MBEDTLS_SELF_TEST */ - -#ifdef __cplusplus -} -#endif - -#endif /* des.h */ |