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21dcbebc RS |
1 | /* |
2 | * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved. | |
6f9079fd | 3 | * |
48f4ad77 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
21dcbebc RS |
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 | |
6f9079fd RL |
8 | */ |
9 | ||
ae4186b0 DMSP |
10 | #ifndef OPENSSL_AES_H |
11 | # define OPENSSL_AES_H | |
d86167ec DMSP |
12 | # pragma once |
13 | ||
14 | # include <openssl/macros.h> | |
936c2b9e | 15 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
d86167ec DMSP |
16 | # define HEADER_AES_H |
17 | # endif | |
6f9079fd | 18 | |
0f113f3e | 19 | # include <openssl/opensslconf.h> |
940767b0 | 20 | |
0f113f3e | 21 | # include <stddef.h> |
3c27208f RS |
22 | # ifdef __cplusplus |
23 | extern "C" { | |
24 | # endif | |
f768be81 | 25 | |
0f113f3e MC |
26 | # define AES_ENCRYPT 1 |
27 | # define AES_DECRYPT 0 | |
aa18245f | 28 | |
0f113f3e MC |
29 | /* |
30 | * Because array size can't be a const in C, the following two are macros. | |
31 | * Both sizes are in bytes. | |
32 | */ | |
33 | # define AES_MAXNR 14 | |
34 | # define AES_BLOCK_SIZE 16 | |
6f9079fd | 35 | |
6f9079fd RL |
36 | /* This should be a hidden type, but EVP requires that the size be known */ |
37 | struct aes_key_st { | |
0f113f3e MC |
38 | # ifdef AES_LONG |
39 | unsigned long rd_key[4 * (AES_MAXNR + 1)]; | |
40 | # else | |
41 | unsigned int rd_key[4 * (AES_MAXNR + 1)]; | |
42 | # endif | |
6f9079fd RL |
43 | int rounds; |
44 | }; | |
45 | typedef struct aes_key_st AES_KEY; | |
46 | ||
47 | const char *AES_options(void); | |
48 | ||
97879bcd | 49 | int AES_set_encrypt_key(const unsigned char *userKey, const int bits, |
0f113f3e | 50 | AES_KEY *key); |
97879bcd | 51 | int AES_set_decrypt_key(const unsigned char *userKey, const int bits, |
0f113f3e | 52 | AES_KEY *key); |
6f9079fd | 53 | |
97879bcd | 54 | void AES_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e | 55 | const AES_KEY *key); |
97879bcd | 56 | void AES_decrypt(const unsigned char *in, unsigned char *out, |
0f113f3e | 57 | const AES_KEY *key); |
6f9079fd RL |
58 | |
59 | void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e | 60 | const AES_KEY *key, const int enc); |
6f9079fd | 61 | void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
62 | size_t length, const AES_KEY *key, |
63 | unsigned char *ivec, const int enc); | |
97879bcd | 64 | void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
65 | size_t length, const AES_KEY *key, |
66 | unsigned char *ivec, int *num, const int enc); | |
8d1ebe0b | 67 | void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
68 | size_t length, const AES_KEY *key, |
69 | unsigned char *ivec, int *num, const int enc); | |
8d1ebe0b | 70 | void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
71 | size_t length, const AES_KEY *key, |
72 | unsigned char *ivec, int *num, const int enc); | |
97879bcd | 73 | void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
74 | size_t length, const AES_KEY *key, |
75 | unsigned char *ivec, int *num); | |
7573fe1a | 76 | |
aa6d1a0c | 77 | /* NB: the IV is _two_ blocks long */ |
7573fe1a MC |
78 | DEPRECATEDIN_3_0(void |
79 | AES_ige_encrypt(const unsigned char *in, unsigned char *out, | |
80 | size_t length, const AES_KEY *key, | |
81 | unsigned char *ivec, const int enc)) | |
aa6d1a0c | 82 | /* NB: the IV is _four_ blocks long */ |
7573fe1a MC |
83 | DEPRECATEDIN_3_0(void |
84 | AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, | |
85 | size_t length, const AES_KEY *key, | |
86 | const AES_KEY *key2, | |
87 | const unsigned char *ivec, const int enc)) | |
97879bcd | 88 | |
6e3bc4f0 | 89 | int AES_wrap_key(AES_KEY *key, const unsigned char *iv, |
0f113f3e MC |
90 | unsigned char *out, |
91 | const unsigned char *in, unsigned int inlen); | |
6e3bc4f0 | 92 | int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, |
0f113f3e MC |
93 | unsigned char *out, |
94 | const unsigned char *in, unsigned int inlen); | |
6e3bc4f0 | 95 | |
6f9079fd | 96 | |
3c27208f | 97 | # ifdef __cplusplus |
6f9079fd | 98 | } |
3c27208f | 99 | # endif |
6f9079fd | 100 | |
3c27208f | 101 | #endif |