/** * \file cipher_wrap.c * * \brief Generic cipher wrapper for Mbed TLS * * \author Adriaan de Jong <[email protected]> * * Copyright The Mbed TLS Contributors * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */ #include "common.h" #if defined(MBEDTLS_CIPHER_C) #include "cipher_wrap.h" #include "mbedtls/error.h" #if defined(MBEDTLS_CHACHAPOLY_C) #include "mbedtls/chachapoly.h" #endif #if defined(MBEDTLS_AES_C) #include "mbedtls/aes.h" #endif #if defined(MBEDTLS_CAMELLIA_C) #include "mbedtls/camellia.h" #endif #if defined(MBEDTLS_ARIA_C) #include "mbedtls/aria.h" #endif #if defined(MBEDTLS_DES_C) #include "mbedtls/des.h" #endif #if defined(MBEDTLS_CHACHA20_C) #include "mbedtls/chacha20.h" #endif #if defined(MBEDTLS_GCM_C) #include "mbedtls/gcm.h" #endif #if defined(MBEDTLS_CCM_C) #include "mbedtls/ccm.h" #endif #if defined(MBEDTLS_NIST_KW_C) #include "mbedtls/nist_kw.h" #endif #if defined(MBEDTLS_CIPHER_NULL_CIPHER) #include <string.h> #endif #include "mbedtls/platform.h" enum mbedtls_cipher_base_index { … }; #if defined(MBEDTLS_GCM_C) && \ (defined(MBEDTLS_CIPHER_HAVE_GCM_AES_VIA_LEGACY_OR_USE_PSA) || \ defined(MBEDTLS_ARIA_C) || defined(MBEDTLS_CAMELLIA_C)) /* shared by all GCM ciphers */ static void *gcm_ctx_alloc(void) { … } static void gcm_ctx_free(void *ctx) { … } #endif /* MBEDTLS_GCM_C */ #if defined(MBEDTLS_CCM_C) && \ (defined(MBEDTLS_CIPHER_HAVE_CCM_AES_VIA_LEGACY_OR_USE_PSA) || \ defined(MBEDTLS_ARIA_C) || defined(MBEDTLS_CAMELLIA_C)) /* shared by all CCM ciphers */ static void *ccm_ctx_alloc(void) { … } static void ccm_ctx_free(void *ctx) { … } #endif /* MBEDTLS_CCM_C */ #if defined(MBEDTLS_AES_C) static int aes_crypt_ecb_wrap(void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output) { … } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int aes_crypt_cbc_wrap(void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static int aes_crypt_cfb128_wrap(void *ctx, mbedtls_operation_t operation, size_t length, size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_OFB) static int aes_crypt_ofb_wrap(void *ctx, size_t length, size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_OFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static int aes_crypt_ctr_wrap(void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if defined(MBEDTLS_CIPHER_MODE_XTS) static int aes_crypt_xts_wrap(void *ctx, mbedtls_operation_t operation, size_t length, const unsigned char data_unit[16], const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_XTS */ #if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT) static int aes_setkey_dec_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } #endif static int aes_setkey_enc_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static void *aes_ctx_alloc(void) { … } static void aes_ctx_free(void *ctx) { … } static const mbedtls_cipher_base_t aes_info = …; static const mbedtls_cipher_info_t aes_128_ecb_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_ecb_info = …; static const mbedtls_cipher_info_t aes_256_ecb_info = …; #endif #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t aes_128_cbc_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_cbc_info = …; static const mbedtls_cipher_info_t aes_256_cbc_info = …; #endif #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static const mbedtls_cipher_info_t aes_128_cfb128_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_cfb128_info = …; static const mbedtls_cipher_info_t aes_256_cfb128_info = …; #endif #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_OFB) static const mbedtls_cipher_info_t aes_128_ofb_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_ofb_info = …; static const mbedtls_cipher_info_t aes_256_ofb_info = …; #endif #endif /* MBEDTLS_CIPHER_MODE_OFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static const mbedtls_cipher_info_t aes_128_ctr_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_ctr_info = …; static const mbedtls_cipher_info_t aes_256_ctr_info = …; #endif #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if defined(MBEDTLS_CIPHER_MODE_XTS) static int xts_aes_setkey_enc_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static int xts_aes_setkey_dec_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static void *xts_aes_ctx_alloc(void) { … } static void xts_aes_ctx_free(void *ctx) { … } static const mbedtls_cipher_base_t xts_aes_info = …; static const mbedtls_cipher_info_t aes_128_xts_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_256_xts_info = …; #endif #endif /* MBEDTLS_CIPHER_MODE_XTS */ #endif /* MBEDTLS_AES_C */ #if defined(MBEDTLS_GCM_C) && defined(MBEDTLS_CCM_GCM_CAN_AES) static int gcm_aes_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } #endif /* MBEDTLS_GCM_C && MBEDTLS_CCM_GCM_CAN_AES */ #if defined(MBEDTLS_CIPHER_HAVE_GCM_AES_VIA_LEGACY_OR_USE_PSA) static const mbedtls_cipher_base_t gcm_aes_info = …; #endif /* MBEDTLS_CIPHER_HAVE_GCM_AES_VIA_LEGACY_OR_USE_PSA */ #if defined(MBEDTLS_CIPHER_HAVE_GCM_AES_VIA_LEGACY_OR_USE_PSA) static const mbedtls_cipher_info_t aes_128_gcm_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_gcm_info = …; static const mbedtls_cipher_info_t aes_256_gcm_info = …; #endif #endif /* MBEDTLS_CIPHER_HAVE_GCM_AES_VIA_LEGACY_OR_USE_PSA */ #if defined(MBEDTLS_CCM_C) && defined(MBEDTLS_CCM_GCM_CAN_AES) static int ccm_aes_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } #endif /* MBEDTLS_CCM_C && MBEDTLS_CCM_GCM_CAN_AES */ #if defined(MBEDTLS_CIPHER_HAVE_CCM_AES_VIA_LEGACY_OR_USE_PSA) static const mbedtls_cipher_base_t ccm_aes_info = …; #endif /* MBEDTLS_CIPHER_HAVE_CCM_AES_VIA_LEGACY_OR_USE_PSA */ #if defined(MBEDTLS_CIPHER_HAVE_CCM_AES_VIA_LEGACY_OR_USE_PSA) static const mbedtls_cipher_info_t aes_128_ccm_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_ccm_info = …; static const mbedtls_cipher_info_t aes_256_ccm_info = …; #endif #endif /* MBEDTLS_CIPHER_HAVE_CCM_AES_VIA_LEGACY_OR_USE_PSA */ #if defined(MBEDTLS_CIPHER_HAVE_CCM_STAR_NO_TAG_AES_VIA_LEGACY_OR_USE_PSA) static const mbedtls_cipher_info_t aes_128_ccm_star_no_tag_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_ccm_star_no_tag_info = …; static const mbedtls_cipher_info_t aes_256_ccm_star_no_tag_info = …; #endif #endif /* MBEDTLS_CIPHER_HAVE_CCM_STAR_NO_TAG_AES_VIA_LEGACY_OR_USE_PSA */ #if defined(MBEDTLS_CAMELLIA_C) static int camellia_crypt_ecb_wrap(void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output) { … } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int camellia_crypt_cbc_wrap(void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static int camellia_crypt_cfb128_wrap(void *ctx, mbedtls_operation_t operation, size_t length, size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static int camellia_crypt_ctr_wrap(void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT) static int camellia_setkey_dec_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } #endif static int camellia_setkey_enc_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static void *camellia_ctx_alloc(void) { … } static void camellia_ctx_free(void *ctx) { … } static const mbedtls_cipher_base_t camellia_info = …; static const mbedtls_cipher_info_t camellia_128_ecb_info = …; static const mbedtls_cipher_info_t camellia_192_ecb_info = …; static const mbedtls_cipher_info_t camellia_256_ecb_info = …; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t camellia_128_cbc_info = …; static const mbedtls_cipher_info_t camellia_192_cbc_info = …; static const mbedtls_cipher_info_t camellia_256_cbc_info = …; #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static const mbedtls_cipher_info_t camellia_128_cfb128_info = …; static const mbedtls_cipher_info_t camellia_192_cfb128_info = …; static const mbedtls_cipher_info_t camellia_256_cfb128_info = …; #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static const mbedtls_cipher_info_t camellia_128_ctr_info = …; static const mbedtls_cipher_info_t camellia_192_ctr_info = …; static const mbedtls_cipher_info_t camellia_256_ctr_info = …; #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if defined(MBEDTLS_GCM_C) static int gcm_camellia_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static const mbedtls_cipher_base_t gcm_camellia_info = …; static const mbedtls_cipher_info_t camellia_128_gcm_info = …; static const mbedtls_cipher_info_t camellia_192_gcm_info = …; static const mbedtls_cipher_info_t camellia_256_gcm_info = …; #endif /* MBEDTLS_GCM_C */ #if defined(MBEDTLS_CCM_C) static int ccm_camellia_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static const mbedtls_cipher_base_t ccm_camellia_info = …; static const mbedtls_cipher_info_t camellia_128_ccm_info = …; static const mbedtls_cipher_info_t camellia_192_ccm_info = …; static const mbedtls_cipher_info_t camellia_256_ccm_info = …; static const mbedtls_cipher_info_t camellia_128_ccm_star_no_tag_info = …; static const mbedtls_cipher_info_t camellia_192_ccm_star_no_tag_info = …; static const mbedtls_cipher_info_t camellia_256_ccm_star_no_tag_info = …; #endif /* MBEDTLS_CCM_C */ #endif /* MBEDTLS_CAMELLIA_C */ #if defined(MBEDTLS_ARIA_C) static int aria_crypt_ecb_wrap(void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output) { … } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int aria_crypt_cbc_wrap(void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static int aria_crypt_cfb128_wrap(void *ctx, mbedtls_operation_t operation, size_t length, size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static int aria_crypt_ctr_wrap(void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, const unsigned char *input, unsigned char *output) { … } #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT) static int aria_setkey_dec_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } #endif static int aria_setkey_enc_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static void *aria_ctx_alloc(void) { … } static void aria_ctx_free(void *ctx) { … } static const mbedtls_cipher_base_t aria_info = …; static const mbedtls_cipher_info_t aria_128_ecb_info = …; static const mbedtls_cipher_info_t aria_192_ecb_info = …; static const mbedtls_cipher_info_t aria_256_ecb_info = …; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t aria_128_cbc_info = …; static const mbedtls_cipher_info_t aria_192_cbc_info = …; static const mbedtls_cipher_info_t aria_256_cbc_info = …; #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static const mbedtls_cipher_info_t aria_128_cfb128_info = …; static const mbedtls_cipher_info_t aria_192_cfb128_info = …; static const mbedtls_cipher_info_t aria_256_cfb128_info = …; #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static const mbedtls_cipher_info_t aria_128_ctr_info = …; static const mbedtls_cipher_info_t aria_192_ctr_info = …; static const mbedtls_cipher_info_t aria_256_ctr_info = …; #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if defined(MBEDTLS_GCM_C) static int gcm_aria_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static const mbedtls_cipher_base_t gcm_aria_info = …; static const mbedtls_cipher_info_t aria_128_gcm_info = …; static const mbedtls_cipher_info_t aria_192_gcm_info = …; static const mbedtls_cipher_info_t aria_256_gcm_info = …; #endif /* MBEDTLS_GCM_C */ #if defined(MBEDTLS_CCM_C) static int ccm_aria_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static const mbedtls_cipher_base_t ccm_aria_info = …; static const mbedtls_cipher_info_t aria_128_ccm_info = …; static const mbedtls_cipher_info_t aria_192_ccm_info = …; static const mbedtls_cipher_info_t aria_256_ccm_info = …; static const mbedtls_cipher_info_t aria_128_ccm_star_no_tag_info = …; static const mbedtls_cipher_info_t aria_192_ccm_star_no_tag_info = …; static const mbedtls_cipher_info_t aria_256_ccm_star_no_tag_info = …; #endif /* MBEDTLS_CCM_C */ #endif /* MBEDTLS_ARIA_C */ #if defined(MBEDTLS_DES_C) static int des_crypt_ecb_wrap(void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output) { ((void) operation); return mbedtls_des_crypt_ecb((mbedtls_des_context *) ctx, input, output); } static int des3_crypt_ecb_wrap(void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output) { ((void) operation); return mbedtls_des3_crypt_ecb((mbedtls_des3_context *) ctx, input, output); } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int des_crypt_cbc_wrap(void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output) { return mbedtls_des_crypt_cbc((mbedtls_des_context *) ctx, operation, length, iv, input, output); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CBC) static int des3_crypt_cbc_wrap(void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output) { return mbedtls_des3_crypt_cbc((mbedtls_des3_context *) ctx, operation, length, iv, input, output); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ static int des_setkey_dec_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { ((void) key_bitlen); return mbedtls_des_setkey_dec((mbedtls_des_context *) ctx, key); } static int des_setkey_enc_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { ((void) key_bitlen); return mbedtls_des_setkey_enc((mbedtls_des_context *) ctx, key); } static int des3_set2key_dec_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { ((void) key_bitlen); return mbedtls_des3_set2key_dec((mbedtls_des3_context *) ctx, key); } static int des3_set2key_enc_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { ((void) key_bitlen); return mbedtls_des3_set2key_enc((mbedtls_des3_context *) ctx, key); } static int des3_set3key_dec_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { ((void) key_bitlen); return mbedtls_des3_set3key_dec((mbedtls_des3_context *) ctx, key); } static int des3_set3key_enc_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { ((void) key_bitlen); return mbedtls_des3_set3key_enc((mbedtls_des3_context *) ctx, key); } static void *des_ctx_alloc(void) { mbedtls_des_context *des = mbedtls_calloc(1, sizeof(mbedtls_des_context)); if (des == NULL) { return NULL; } mbedtls_des_init(des); return des; } static void des_ctx_free(void *ctx) { mbedtls_des_free((mbedtls_des_context *) ctx); mbedtls_free(ctx); } static void *des3_ctx_alloc(void) { mbedtls_des3_context *des3; des3 = mbedtls_calloc(1, sizeof(mbedtls_des3_context)); if (des3 == NULL) { return NULL; } mbedtls_des3_init(des3); return des3; } static void des3_ctx_free(void *ctx) { mbedtls_des3_free((mbedtls_des3_context *) ctx); mbedtls_free(ctx); } static const mbedtls_cipher_base_t des_info = { MBEDTLS_CIPHER_ID_DES, des_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) des_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_OFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif des_setkey_enc_wrap, des_setkey_dec_wrap, des_ctx_alloc, des_ctx_free }; static const mbedtls_cipher_info_t des_ecb_info = { "DES-ECB", 8, 0 >> MBEDTLS_IV_SIZE_SHIFT, MBEDTLS_KEY_LENGTH_DES >> MBEDTLS_KEY_BITLEN_SHIFT, MBEDTLS_MODE_ECB, MBEDTLS_CIPHER_DES_ECB, 0, MBEDTLS_CIPHER_BASE_INDEX_DES }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t des_cbc_info = { "DES-CBC", 8, 8 >> MBEDTLS_IV_SIZE_SHIFT, MBEDTLS_KEY_LENGTH_DES >> MBEDTLS_KEY_BITLEN_SHIFT, MBEDTLS_MODE_CBC, MBEDTLS_CIPHER_DES_CBC, 0, MBEDTLS_CIPHER_BASE_INDEX_DES }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ static const mbedtls_cipher_base_t des_ede_info = { MBEDTLS_CIPHER_ID_DES, des3_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) des3_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_OFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif des3_set2key_enc_wrap, des3_set2key_dec_wrap, des3_ctx_alloc, des3_ctx_free }; static const mbedtls_cipher_info_t des_ede_ecb_info = { "DES-EDE-ECB", 8, 0 >> MBEDTLS_IV_SIZE_SHIFT, MBEDTLS_KEY_LENGTH_DES_EDE >> MBEDTLS_KEY_BITLEN_SHIFT, MBEDTLS_MODE_ECB, MBEDTLS_CIPHER_DES_EDE_ECB, 0, MBEDTLS_CIPHER_BASE_INDEX_DES_EDE }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t des_ede_cbc_info = { "DES-EDE-CBC", 8, 8 >> MBEDTLS_IV_SIZE_SHIFT, MBEDTLS_KEY_LENGTH_DES_EDE >> MBEDTLS_KEY_BITLEN_SHIFT, MBEDTLS_MODE_CBC, MBEDTLS_CIPHER_DES_EDE_CBC, 0, MBEDTLS_CIPHER_BASE_INDEX_DES_EDE }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ static const mbedtls_cipher_base_t des_ede3_info = { MBEDTLS_CIPHER_ID_3DES, des3_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) des3_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_OFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif des3_set3key_enc_wrap, des3_set3key_dec_wrap, des3_ctx_alloc, des3_ctx_free }; static const mbedtls_cipher_info_t des_ede3_ecb_info = { "DES-EDE3-ECB", 8, 0 >> MBEDTLS_IV_SIZE_SHIFT, MBEDTLS_KEY_LENGTH_DES_EDE3 >> MBEDTLS_KEY_BITLEN_SHIFT, MBEDTLS_MODE_ECB, MBEDTLS_CIPHER_DES_EDE3_ECB, 0, MBEDTLS_CIPHER_BASE_INDEX_DES_EDE3 }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t des_ede3_cbc_info = { "DES-EDE3-CBC", 8, 8 >> MBEDTLS_IV_SIZE_SHIFT, MBEDTLS_KEY_LENGTH_DES_EDE3 >> MBEDTLS_KEY_BITLEN_SHIFT, MBEDTLS_MODE_CBC, MBEDTLS_CIPHER_DES_EDE3_CBC, 0, MBEDTLS_CIPHER_BASE_INDEX_DES_EDE3 }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ #endif /* MBEDTLS_DES_C */ #if defined(MBEDTLS_CHACHA20_C) static int chacha20_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static int chacha20_stream_wrap(void *ctx, size_t length, const unsigned char *input, unsigned char *output) { … } static void *chacha20_ctx_alloc(void) { … } static void chacha20_ctx_free(void *ctx) { … } static const mbedtls_cipher_base_t chacha20_base_info = …; static const mbedtls_cipher_info_t chacha20_info = …; #endif /* MBEDTLS_CHACHA20_C */ #if defined(MBEDTLS_CHACHAPOLY_C) static int chachapoly_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static void *chachapoly_ctx_alloc(void) { … } static void chachapoly_ctx_free(void *ctx) { … } static const mbedtls_cipher_base_t chachapoly_base_info = …; static const mbedtls_cipher_info_t chachapoly_info = …; #endif /* MBEDTLS_CHACHAPOLY_C */ #if defined(MBEDTLS_CIPHER_NULL_CIPHER) static int null_crypt_stream(void *ctx, size_t length, const unsigned char *input, unsigned char *output) { ((void) ctx); memmove(output, input, length); return 0; } static int null_setkey(void *ctx, const unsigned char *key, unsigned int key_bitlen) { ((void) ctx); ((void) key); ((void) key_bitlen); return 0; } static void *null_ctx_alloc(void) { return (void *) 1; } static void null_ctx_free(void *ctx) { ((void) ctx); } static const mbedtls_cipher_base_t null_base_info = { MBEDTLS_CIPHER_ID_NULL, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_OFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) null_crypt_stream, #endif null_setkey, #if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT) null_setkey, #endif null_ctx_alloc, null_ctx_free }; static const mbedtls_cipher_info_t null_cipher_info = { "NULL", 1, 0 >> MBEDTLS_IV_SIZE_SHIFT, 0 >> MBEDTLS_KEY_BITLEN_SHIFT, MBEDTLS_MODE_STREAM, MBEDTLS_CIPHER_NULL, 0, MBEDTLS_CIPHER_BASE_INDEX_NULL_BASE }; #endif /* defined(MBEDTLS_CIPHER_NULL_CIPHER) */ #if defined(MBEDTLS_NIST_KW_C) static void *kw_ctx_alloc(void) { … } static void kw_ctx_free(void *ctx) { … } static int kw_aes_setkey_wrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static int kw_aes_setkey_unwrap(void *ctx, const unsigned char *key, unsigned int key_bitlen) { … } static const mbedtls_cipher_base_t kw_aes_info = …; static const mbedtls_cipher_info_t aes_128_nist_kw_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_nist_kw_info = …; static const mbedtls_cipher_info_t aes_256_nist_kw_info = …; #endif static const mbedtls_cipher_info_t aes_128_nist_kwp_info = …; #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) static const mbedtls_cipher_info_t aes_192_nist_kwp_info = …; static const mbedtls_cipher_info_t aes_256_nist_kwp_info = …; #endif #endif /* MBEDTLS_NIST_KW_C */ const mbedtls_cipher_definition_t mbedtls_cipher_definitions[] = …; #define NUM_CIPHERS … int mbedtls_cipher_supported[NUM_CIPHERS]; const mbedtls_cipher_base_t *mbedtls_cipher_base_lookup_table[] = …; #endif /* MBEDTLS_CIPHER_C */
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