/* * Copyright (c) 2015 Egor Tensin * This file is part of the "AES tools" project. * For details, see https://github.com/egor-tensin/aes-tools. * Distributed under the MIT License. */ #include #include #include static AES_StatusCode aes_box_derive_params_aes128( const AES_BoxKey* box_key, AES_BoxEncryptionRoundKeys* encryption_keys, AES_BoxDecryptionRoundKeys* decryption_keys, AES_ErrorDetails* err_details) { aes_AES128_expand_key_( box_key->aes128_key.key, &encryption_keys->aes128_encryption_keys); aes_AES128_derive_decryption_keys_( &encryption_keys->aes128_encryption_keys, &decryption_keys->aes128_decryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_derive_params_aes192( const AES_BoxKey* box_key, AES_BoxEncryptionRoundKeys* encryption_keys, AES_BoxDecryptionRoundKeys* decryption_keys, AES_ErrorDetails* err_details) { aes_AES192_expand_key_( box_key->aes192_key.lo, box_key->aes192_key.hi, &encryption_keys->aes192_encryption_keys); aes_AES192_derive_decryption_keys_( &encryption_keys->aes192_encryption_keys, &decryption_keys->aes192_decryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_derive_params_aes256( const AES_BoxKey* box_key, AES_BoxEncryptionRoundKeys* encryption_keys, AES_BoxDecryptionRoundKeys* decryption_keys, AES_ErrorDetails* err_details) { aes_AES256_expand_key_( box_key->aes256_key.lo, box_key->aes256_key.hi, &encryption_keys->aes256_encryption_keys); aes_AES256_derive_decryption_keys_( &encryption_keys->aes256_encryption_keys, &decryption_keys->aes256_decryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_parse_block_aes( AES_BoxBlock* dest, const char* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); return aes_AES_parse_block(&dest->aes_block, src, err_details); } static AES_StatusCode aes_box_parse_key_aes128( AES_BoxKey* dest, const char* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); return aes_AES128_parse_key(&dest->aes128_key, src, err_details); } static AES_StatusCode aes_box_parse_key_aes192( AES_BoxKey* dest, const char* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); return aes_AES192_parse_key(&dest->aes192_key, src, err_details); } static AES_StatusCode aes_box_parse_key_aes256( AES_BoxKey* dest, const char* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); return aes_AES256_parse_key(&dest->aes256_key, src, err_details); } static AES_StatusCode aes_box_format_block_aes( AES_BoxBlockString* dest, const AES_BoxBlock* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); if (src == NULL) return aes_error_null_argument(err_details, "src"); return aes_AES128_format_block(&dest->aes, &src->aes_block, err_details); } static AES_StatusCode aes_box_format_key_aes128( AES_BoxKeyString* dest, const AES_BoxKey* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); if (src == NULL) return aes_error_null_argument(err_details, "src"); return aes_AES128_format_key(&dest->aes128, &src->aes128_key, err_details); } static AES_StatusCode aes_box_format_key_aes192( AES_BoxKeyString* dest, const AES_BoxKey* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); if (src == NULL) return aes_error_null_argument(err_details, "src"); return aes_AES192_format_key(&dest->aes192, &src->aes192_key, err_details); } static AES_StatusCode aes_box_format_key_aes256( AES_BoxKeyString* dest, const AES_BoxKey* src, AES_ErrorDetails* err_details) { if (dest == NULL) return aes_error_null_argument(err_details, "dest"); if (src == NULL) return aes_error_null_argument(err_details, "src"); return aes_AES256_format_key(&dest->aes256, &src->aes256_key, err_details); } static AES_StatusCode aes_box_xor_block_aes( AES_BoxBlock* dest, const AES_BoxBlock* src, AES_ErrorDetails* err_details) { dest->aes_block = aes_AES_xor_blocks(dest->aes_block, src->aes_block); return AES_SUCCESS; } static AES_StatusCode aes_box_inc_block_aes( AES_BoxBlock* ctr, AES_ErrorDetails* err_details) { ctr->aes_block = aes_AES_inc_block(ctr->aes_block); return AES_SUCCESS; } static AES_StatusCode aes_box_get_block_size_aes( size_t* block_size, AES_ErrorDetails* err_details) { *block_size = 16; return AES_SUCCESS; } static AES_StatusCode aes_box_store_block_aes( void* dest, const AES_BoxBlock* src, AES_ErrorDetails* err_details) { aes_store_block128(dest, src->aes_block); return AES_SUCCESS; } static AES_StatusCode aes_box_load_block_aes( AES_BoxBlock* dest, const void* src, AES_ErrorDetails* err_details) { dest->aes_block = aes_load_block128(src); return AES_SUCCESS; } static AES_StatusCode aes_box_encrypt_block_aes128( const AES_BoxBlock* input, const AES_BoxEncryptionRoundKeys* params, AES_BoxBlock* output, AES_ErrorDetails* err_details) { output->aes_block = aes_AES128_encrypt_block_( input->aes_block, ¶ms->aes128_encryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_decrypt_block_aes128( const AES_BoxBlock* input, const AES_BoxDecryptionRoundKeys* params, AES_BoxBlock* output, AES_ErrorDetails* err_details) { output->aes_block = aes_AES128_decrypt_block_( input->aes_block, ¶ms->aes128_decryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_encrypt_block_aes192( const AES_BoxBlock* input, const AES_BoxEncryptionRoundKeys* params, AES_BoxBlock* output, AES_ErrorDetails* err_details) { output->aes_block = aes_AES192_encrypt_block_( input->aes_block, ¶ms->aes192_encryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_decrypt_block_aes192( const AES_BoxBlock* input, const AES_BoxDecryptionRoundKeys* params, AES_BoxBlock* output, AES_ErrorDetails* err_details) { output->aes_block = aes_AES192_decrypt_block_( input->aes_block, ¶ms->aes192_decryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_encrypt_block_aes256( const AES_BoxBlock* input, const AES_BoxEncryptionRoundKeys* params, AES_BoxBlock* output, AES_ErrorDetails* err_details) { output->aes_block = aes_AES256_encrypt_block_( input->aes_block, ¶ms->aes256_encryption_keys); return AES_SUCCESS; } static AES_StatusCode aes_box_decrypt_block_aes256( const AES_BoxBlock* input, const AES_BoxDecryptionRoundKeys* params, AES_BoxBlock* output, AES_ErrorDetails* err_details) { output->aes_block = aes_AES256_decrypt_block_( input->aes_block, ¶ms->aes256_decryption_keys); return AES_SUCCESS; } AES_BoxAlgorithmInterface aes_box_algorithm_aes128 = { &aes_box_derive_params_aes128, &aes_box_parse_block_aes, &aes_box_parse_key_aes128, &aes_box_format_block_aes, &aes_box_format_key_aes128, &aes_box_encrypt_block_aes128, &aes_box_decrypt_block_aes128, &aes_box_xor_block_aes, &aes_box_inc_block_aes, &aes_box_get_block_size_aes, &aes_box_store_block_aes, &aes_box_load_block_aes, }; AES_BoxAlgorithmInterface aes_box_algorithm_aes192 = { &aes_box_derive_params_aes192, &aes_box_parse_block_aes, &aes_box_parse_key_aes192, &aes_box_format_block_aes, &aes_box_format_key_aes192, &aes_box_encrypt_block_aes192, &aes_box_decrypt_block_aes192, &aes_box_xor_block_aes, &aes_box_inc_block_aes, &aes_box_get_block_size_aes, &aes_box_store_block_aes, &aes_box_load_block_aes, }; AES_BoxAlgorithmInterface aes_box_algorithm_aes256 = { &aes_box_derive_params_aes256, &aes_box_parse_block_aes, &aes_box_parse_key_aes256, &aes_box_format_block_aes, &aes_box_format_key_aes256, &aes_box_encrypt_block_aes256, &aes_box_decrypt_block_aes256, &aes_box_xor_block_aes, &aes_box_inc_block_aes, &aes_box_get_block_size_aes, &aes_box_store_block_aes, &aes_box_load_block_aes, };