lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | #ifndef HEADER_AES_H |
| 11 | # define HEADER_AES_H |
| 12 | |
| 13 | # include <openssl/opensslconf.h> |
| 14 | |
| 15 | # include <stddef.h> |
| 16 | # ifdef __cplusplus |
| 17 | extern "C" { |
| 18 | # endif |
| 19 | |
| 20 | # define AES_ENCRYPT 1 |
| 21 | # define AES_DECRYPT 0 |
| 22 | |
| 23 | /* |
| 24 | * Because array size can't be a const in C, the following two are macros. |
| 25 | * Both sizes are in bytes. |
| 26 | */ |
| 27 | # define AES_MAXNR 14 |
| 28 | # define AES_BLOCK_SIZE 16 |
| 29 | |
| 30 | /* This should be a hidden type, but EVP requires that the size be known */ |
| 31 | struct aes_key_st { |
| 32 | # ifdef AES_LONG |
| 33 | unsigned long rd_key[4 * (AES_MAXNR + 1)]; |
| 34 | # else |
| 35 | unsigned int rd_key[4 * (AES_MAXNR + 1)]; |
| 36 | # endif |
| 37 | int rounds; |
| 38 | }; |
| 39 | typedef struct aes_key_st AES_KEY; |
| 40 | |
| 41 | const char *AES_options(void); |
| 42 | |
| 43 | int AES_set_encrypt_key(const unsigned char *userKey, const int bits, |
| 44 | AES_KEY *key); |
| 45 | int AES_set_decrypt_key(const unsigned char *userKey, const int bits, |
| 46 | AES_KEY *key); |
| 47 | |
| 48 | void AES_encrypt(const unsigned char *in, unsigned char *out, |
| 49 | const AES_KEY *key); |
| 50 | void AES_decrypt(const unsigned char *in, unsigned char *out, |
| 51 | const AES_KEY *key); |
| 52 | |
| 53 | void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, |
| 54 | const AES_KEY *key, const int enc); |
| 55 | void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, |
| 56 | size_t length, const AES_KEY *key, |
| 57 | unsigned char *ivec, const int enc); |
| 58 | void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, |
| 59 | size_t length, const AES_KEY *key, |
| 60 | unsigned char *ivec, int *num, const int enc); |
| 61 | void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, |
| 62 | size_t length, const AES_KEY *key, |
| 63 | unsigned char *ivec, int *num, const int enc); |
| 64 | void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, |
| 65 | size_t length, const AES_KEY *key, |
| 66 | unsigned char *ivec, int *num, const int enc); |
| 67 | void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, |
| 68 | size_t length, const AES_KEY *key, |
| 69 | unsigned char *ivec, int *num); |
| 70 | /* NB: the IV is _two_ blocks long */ |
| 71 | void AES_ige_encrypt(const unsigned char *in, unsigned char *out, |
| 72 | size_t length, const AES_KEY *key, |
| 73 | unsigned char *ivec, const int enc); |
| 74 | /* NB: the IV is _four_ blocks long */ |
| 75 | void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, |
| 76 | size_t length, const AES_KEY *key, |
| 77 | const AES_KEY *key2, const unsigned char *ivec, |
| 78 | const int enc); |
| 79 | |
| 80 | int AES_wrap_key(AES_KEY *key, const unsigned char *iv, |
| 81 | unsigned char *out, |
| 82 | const unsigned char *in, unsigned int inlen); |
| 83 | int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, |
| 84 | unsigned char *out, |
| 85 | const unsigned char *in, unsigned int inlen); |
| 86 | |
| 87 | |
| 88 | # ifdef __cplusplus |
| 89 | } |
| 90 | # endif |
| 91 | |
| 92 | #endif |