mbed TLS Build
include/mbedtls/aesni.h@1:1a219dea6cb5, 2019-06-04 (annotated)
- Committer:
- williequesada
- Date:
- Tue Jun 04 16:03:38 2019 +0000
- Revision:
- 1:1a219dea6cb5
- Parent:
- 0:cdf462088d13
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
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markrad | 0:cdf462088d13 | 1 | /** |
markrad | 0:cdf462088d13 | 2 | * \file aesni.h |
markrad | 0:cdf462088d13 | 3 | * |
markrad | 0:cdf462088d13 | 4 | * \brief AES-NI for hardware AES acceleration on some Intel processors |
markrad | 0:cdf462088d13 | 5 | * |
markrad | 0:cdf462088d13 | 6 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
markrad | 0:cdf462088d13 | 7 | * SPDX-License-Identifier: Apache-2.0 |
markrad | 0:cdf462088d13 | 8 | * |
markrad | 0:cdf462088d13 | 9 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
markrad | 0:cdf462088d13 | 10 | * not use this file except in compliance with the License. |
markrad | 0:cdf462088d13 | 11 | * You may obtain a copy of the License at |
markrad | 0:cdf462088d13 | 12 | * |
markrad | 0:cdf462088d13 | 13 | * http://www.apache.org/licenses/LICENSE-2.0 |
markrad | 0:cdf462088d13 | 14 | * |
markrad | 0:cdf462088d13 | 15 | * Unless required by applicable law or agreed to in writing, software |
markrad | 0:cdf462088d13 | 16 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
markrad | 0:cdf462088d13 | 17 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
markrad | 0:cdf462088d13 | 18 | * See the License for the specific language governing permissions and |
markrad | 0:cdf462088d13 | 19 | * limitations under the License. |
markrad | 0:cdf462088d13 | 20 | * |
markrad | 0:cdf462088d13 | 21 | * This file is part of mbed TLS (https://tls.mbed.org) |
markrad | 0:cdf462088d13 | 22 | */ |
markrad | 0:cdf462088d13 | 23 | #ifndef MBEDTLS_AESNI_H |
markrad | 0:cdf462088d13 | 24 | #define MBEDTLS_AESNI_H |
markrad | 0:cdf462088d13 | 25 | |
markrad | 0:cdf462088d13 | 26 | #include "aes.h" |
markrad | 0:cdf462088d13 | 27 | |
markrad | 0:cdf462088d13 | 28 | #define MBEDTLS_AESNI_AES 0x02000000u |
markrad | 0:cdf462088d13 | 29 | #define MBEDTLS_AESNI_CLMUL 0x00000002u |
markrad | 0:cdf462088d13 | 30 | |
markrad | 0:cdf462088d13 | 31 | #if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && \ |
markrad | 0:cdf462088d13 | 32 | ( defined(__amd64__) || defined(__x86_64__) ) && \ |
markrad | 0:cdf462088d13 | 33 | ! defined(MBEDTLS_HAVE_X86_64) |
markrad | 0:cdf462088d13 | 34 | #define MBEDTLS_HAVE_X86_64 |
markrad | 0:cdf462088d13 | 35 | #endif |
markrad | 0:cdf462088d13 | 36 | |
markrad | 0:cdf462088d13 | 37 | #if defined(MBEDTLS_HAVE_X86_64) |
markrad | 0:cdf462088d13 | 38 | |
markrad | 0:cdf462088d13 | 39 | #ifdef __cplusplus |
markrad | 0:cdf462088d13 | 40 | extern "C" { |
markrad | 0:cdf462088d13 | 41 | #endif |
markrad | 0:cdf462088d13 | 42 | |
markrad | 0:cdf462088d13 | 43 | /** |
markrad | 0:cdf462088d13 | 44 | * \brief AES-NI features detection routine |
markrad | 0:cdf462088d13 | 45 | * |
markrad | 0:cdf462088d13 | 46 | * \param what The feature to detect |
markrad | 0:cdf462088d13 | 47 | * (MBEDTLS_AESNI_AES or MBEDTLS_AESNI_CLMUL) |
markrad | 0:cdf462088d13 | 48 | * |
markrad | 0:cdf462088d13 | 49 | * \return 1 if CPU has support for the feature, 0 otherwise |
markrad | 0:cdf462088d13 | 50 | */ |
markrad | 0:cdf462088d13 | 51 | int mbedtls_aesni_has_support( unsigned int what ); |
markrad | 0:cdf462088d13 | 52 | |
markrad | 0:cdf462088d13 | 53 | /** |
markrad | 0:cdf462088d13 | 54 | * \brief AES-NI AES-ECB block en(de)cryption |
markrad | 0:cdf462088d13 | 55 | * |
markrad | 0:cdf462088d13 | 56 | * \param ctx AES context |
markrad | 0:cdf462088d13 | 57 | * \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT |
markrad | 0:cdf462088d13 | 58 | * \param input 16-byte input block |
markrad | 0:cdf462088d13 | 59 | * \param output 16-byte output block |
markrad | 0:cdf462088d13 | 60 | * |
markrad | 0:cdf462088d13 | 61 | * \return 0 on success (cannot fail) |
markrad | 0:cdf462088d13 | 62 | */ |
markrad | 0:cdf462088d13 | 63 | int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx, |
markrad | 0:cdf462088d13 | 64 | int mode, |
markrad | 0:cdf462088d13 | 65 | const unsigned char input[16], |
markrad | 0:cdf462088d13 | 66 | unsigned char output[16] ); |
markrad | 0:cdf462088d13 | 67 | |
markrad | 0:cdf462088d13 | 68 | /** |
markrad | 0:cdf462088d13 | 69 | * \brief GCM multiplication: c = a * b in GF(2^128) |
markrad | 0:cdf462088d13 | 70 | * |
markrad | 0:cdf462088d13 | 71 | * \param c Result |
markrad | 0:cdf462088d13 | 72 | * \param a First operand |
markrad | 0:cdf462088d13 | 73 | * \param b Second operand |
markrad | 0:cdf462088d13 | 74 | * |
markrad | 0:cdf462088d13 | 75 | * \note Both operands and result are bit strings interpreted as |
markrad | 0:cdf462088d13 | 76 | * elements of GF(2^128) as per the GCM spec. |
markrad | 0:cdf462088d13 | 77 | */ |
markrad | 0:cdf462088d13 | 78 | void mbedtls_aesni_gcm_mult( unsigned char c[16], |
markrad | 0:cdf462088d13 | 79 | const unsigned char a[16], |
markrad | 0:cdf462088d13 | 80 | const unsigned char b[16] ); |
markrad | 0:cdf462088d13 | 81 | |
markrad | 0:cdf462088d13 | 82 | /** |
markrad | 0:cdf462088d13 | 83 | * \brief Compute decryption round keys from encryption round keys |
markrad | 0:cdf462088d13 | 84 | * |
markrad | 0:cdf462088d13 | 85 | * \param invkey Round keys for the equivalent inverse cipher |
markrad | 0:cdf462088d13 | 86 | * \param fwdkey Original round keys (for encryption) |
markrad | 0:cdf462088d13 | 87 | * \param nr Number of rounds (that is, number of round keys minus one) |
markrad | 0:cdf462088d13 | 88 | */ |
markrad | 0:cdf462088d13 | 89 | void mbedtls_aesni_inverse_key( unsigned char *invkey, |
markrad | 0:cdf462088d13 | 90 | const unsigned char *fwdkey, int nr ); |
markrad | 0:cdf462088d13 | 91 | |
markrad | 0:cdf462088d13 | 92 | /** |
markrad | 0:cdf462088d13 | 93 | * \brief Perform key expansion (for encryption) |
markrad | 0:cdf462088d13 | 94 | * |
markrad | 0:cdf462088d13 | 95 | * \param rk Destination buffer where the round keys are written |
markrad | 0:cdf462088d13 | 96 | * \param key Encryption key |
markrad | 0:cdf462088d13 | 97 | * \param bits Key size in bits (must be 128, 192 or 256) |
markrad | 0:cdf462088d13 | 98 | * |
markrad | 0:cdf462088d13 | 99 | * \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH |
markrad | 0:cdf462088d13 | 100 | */ |
markrad | 0:cdf462088d13 | 101 | int mbedtls_aesni_setkey_enc( unsigned char *rk, |
markrad | 0:cdf462088d13 | 102 | const unsigned char *key, |
markrad | 0:cdf462088d13 | 103 | size_t bits ); |
markrad | 0:cdf462088d13 | 104 | |
markrad | 0:cdf462088d13 | 105 | #ifdef __cplusplus |
markrad | 0:cdf462088d13 | 106 | } |
markrad | 0:cdf462088d13 | 107 | #endif |
markrad | 0:cdf462088d13 | 108 | |
markrad | 0:cdf462088d13 | 109 | #endif /* MBEDTLS_HAVE_X86_64 */ |
markrad | 0:cdf462088d13 | 110 | |
markrad | 0:cdf462088d13 | 111 | #endif /* MBEDTLS_AESNI_H */ |