diff options
Diffstat (limited to 'thirdparty/mbedtls/library/block_cipher.c')
| -rw-r--r-- | thirdparty/mbedtls/library/block_cipher.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/thirdparty/mbedtls/library/block_cipher.c b/thirdparty/mbedtls/library/block_cipher.c deleted file mode 100644 index 51cdcdf46b..0000000000 --- a/thirdparty/mbedtls/library/block_cipher.c +++ /dev/null @@ -1,207 +0,0 @@ -/** - * \file block_cipher.c - * - * \brief Lightweight abstraction layer for block ciphers with 128 bit blocks, - * for use by the GCM and CCM modules. - */ -/* - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later - */ - -#include "common.h" - -#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA) -#include "psa/crypto.h" -#include "psa_crypto_core.h" -#include "psa_util_internal.h" -#endif - -#include "block_cipher_internal.h" - -#if defined(MBEDTLS_BLOCK_CIPHER_C) - -#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA) -static psa_key_type_t psa_key_type_from_block_cipher_id(mbedtls_block_cipher_id_t cipher_id) -{ - switch (cipher_id) { -#if defined(MBEDTLS_BLOCK_CIPHER_AES_VIA_PSA) - case MBEDTLS_BLOCK_CIPHER_ID_AES: - return PSA_KEY_TYPE_AES; -#endif -#if defined(MBEDTLS_BLOCK_CIPHER_ARIA_VIA_PSA) - case MBEDTLS_BLOCK_CIPHER_ID_ARIA: - return PSA_KEY_TYPE_ARIA; -#endif -#if defined(MBEDTLS_BLOCK_CIPHER_CAMELLIA_VIA_PSA) - case MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA: - return PSA_KEY_TYPE_CAMELLIA; -#endif - default: - return PSA_KEY_TYPE_NONE; - } -} - -static int mbedtls_cipher_error_from_psa(psa_status_t status) -{ - return PSA_TO_MBEDTLS_ERR_LIST(status, psa_to_cipher_errors, - psa_generic_status_to_mbedtls); -} -#endif /* MBEDTLS_BLOCK_CIPHER_SOME_PSA */ - -void mbedtls_block_cipher_free(mbedtls_block_cipher_context_t *ctx) -{ - if (ctx == NULL) { - return; - } - -#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA) - if (ctx->engine == MBEDTLS_BLOCK_CIPHER_ENGINE_PSA) { - psa_destroy_key(ctx->psa_key_id); - return; - } -#endif - switch (ctx->id) { -#if defined(MBEDTLS_AES_C) - case MBEDTLS_BLOCK_CIPHER_ID_AES: - mbedtls_aes_free(&ctx->ctx.aes); - break; -#endif -#if defined(MBEDTLS_ARIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_ARIA: - mbedtls_aria_free(&ctx->ctx.aria); - break; -#endif -#if defined(MBEDTLS_CAMELLIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA: - mbedtls_camellia_free(&ctx->ctx.camellia); - break; -#endif - default: - break; - } - ctx->id = MBEDTLS_BLOCK_CIPHER_ID_NONE; -} - -int mbedtls_block_cipher_setup(mbedtls_block_cipher_context_t *ctx, - mbedtls_cipher_id_t cipher_id) -{ - ctx->id = (cipher_id == MBEDTLS_CIPHER_ID_AES) ? MBEDTLS_BLOCK_CIPHER_ID_AES : - (cipher_id == MBEDTLS_CIPHER_ID_ARIA) ? MBEDTLS_BLOCK_CIPHER_ID_ARIA : - (cipher_id == MBEDTLS_CIPHER_ID_CAMELLIA) ? MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA : - MBEDTLS_BLOCK_CIPHER_ID_NONE; - -#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA) - psa_key_type_t psa_key_type = psa_key_type_from_block_cipher_id(ctx->id); - if (psa_key_type != PSA_KEY_TYPE_NONE && - psa_can_do_cipher(psa_key_type, PSA_ALG_ECB_NO_PADDING)) { - ctx->engine = MBEDTLS_BLOCK_CIPHER_ENGINE_PSA; - return 0; - } - ctx->engine = MBEDTLS_BLOCK_CIPHER_ENGINE_LEGACY; -#endif - - switch (ctx->id) { -#if defined(MBEDTLS_AES_C) - case MBEDTLS_BLOCK_CIPHER_ID_AES: - mbedtls_aes_init(&ctx->ctx.aes); - return 0; -#endif -#if defined(MBEDTLS_ARIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_ARIA: - mbedtls_aria_init(&ctx->ctx.aria); - return 0; -#endif -#if defined(MBEDTLS_CAMELLIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA: - mbedtls_camellia_init(&ctx->ctx.camellia); - return 0; -#endif - default: - ctx->id = MBEDTLS_BLOCK_CIPHER_ID_NONE; - return MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA; - } -} - -int mbedtls_block_cipher_setkey(mbedtls_block_cipher_context_t *ctx, - const unsigned char *key, - unsigned key_bitlen) -{ -#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA) - if (ctx->engine == MBEDTLS_BLOCK_CIPHER_ENGINE_PSA) { - psa_key_attributes_t key_attr = PSA_KEY_ATTRIBUTES_INIT; - psa_status_t status; - - psa_set_key_type(&key_attr, psa_key_type_from_block_cipher_id(ctx->id)); - psa_set_key_bits(&key_attr, key_bitlen); - psa_set_key_algorithm(&key_attr, PSA_ALG_ECB_NO_PADDING); - psa_set_key_usage_flags(&key_attr, PSA_KEY_USAGE_ENCRYPT); - - status = psa_import_key(&key_attr, key, PSA_BITS_TO_BYTES(key_bitlen), &ctx->psa_key_id); - if (status != PSA_SUCCESS) { - return mbedtls_cipher_error_from_psa(status); - } - psa_reset_key_attributes(&key_attr); - - return 0; - } -#endif /* MBEDTLS_BLOCK_CIPHER_SOME_PSA */ - - switch (ctx->id) { -#if defined(MBEDTLS_AES_C) - case MBEDTLS_BLOCK_CIPHER_ID_AES: - return mbedtls_aes_setkey_enc(&ctx->ctx.aes, key, key_bitlen); -#endif -#if defined(MBEDTLS_ARIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_ARIA: - return mbedtls_aria_setkey_enc(&ctx->ctx.aria, key, key_bitlen); -#endif -#if defined(MBEDTLS_CAMELLIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA: - return mbedtls_camellia_setkey_enc(&ctx->ctx.camellia, key, key_bitlen); -#endif - default: - return MBEDTLS_ERR_CIPHER_INVALID_CONTEXT; - } -} - -int mbedtls_block_cipher_encrypt(mbedtls_block_cipher_context_t *ctx, - const unsigned char input[16], - unsigned char output[16]) -{ -#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA) - if (ctx->engine == MBEDTLS_BLOCK_CIPHER_ENGINE_PSA) { - psa_status_t status; - size_t olen; - - status = psa_cipher_encrypt(ctx->psa_key_id, PSA_ALG_ECB_NO_PADDING, - input, 16, output, 16, &olen); - if (status != PSA_SUCCESS) { - return mbedtls_cipher_error_from_psa(status); - } - return 0; - } -#endif /* MBEDTLS_BLOCK_CIPHER_SOME_PSA */ - - switch (ctx->id) { -#if defined(MBEDTLS_AES_C) - case MBEDTLS_BLOCK_CIPHER_ID_AES: - return mbedtls_aes_crypt_ecb(&ctx->ctx.aes, MBEDTLS_AES_ENCRYPT, - input, output); -#endif -#if defined(MBEDTLS_ARIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_ARIA: - return mbedtls_aria_crypt_ecb(&ctx->ctx.aria, input, output); -#endif -#if defined(MBEDTLS_CAMELLIA_C) - case MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA: - return mbedtls_camellia_crypt_ecb(&ctx->ctx.camellia, - MBEDTLS_CAMELLIA_ENCRYPT, - input, output); -#endif - default: - return MBEDTLS_ERR_CIPHER_INVALID_CONTEXT; - } -} - -#endif /* MBEDTLS_BLOCK_CIPHER_C */ |