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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 | |
6f9079fd | 12 | |
0f113f3e | 13 | # include <openssl/opensslconf.h> |
940767b0 | 14 | |
0f113f3e | 15 | # include <stddef.h> |
3c27208f RS |
16 | # ifdef __cplusplus |
17 | extern "C" { | |
18 | # endif | |
f768be81 | 19 | |
0f113f3e MC |
20 | # define AES_ENCRYPT 1 |
21 | # define AES_DECRYPT 0 | |
aa18245f | 22 | |
0f113f3e MC |
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 | |
6f9079fd | 29 | |
6f9079fd RL |
30 | /* This should be a hidden type, but EVP requires that the size be known */ |
31 | struct aes_key_st { | |
0f113f3e MC |
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 | |
6f9079fd RL |
37 | int rounds; |
38 | }; | |
39 | typedef struct aes_key_st AES_KEY; | |
40 | ||
41 | const char *AES_options(void); | |
42 | ||
97879bcd | 43 | int AES_set_encrypt_key(const unsigned char *userKey, const int bits, |
0f113f3e | 44 | AES_KEY *key); |
97879bcd | 45 | int AES_set_decrypt_key(const unsigned char *userKey, const int bits, |
0f113f3e | 46 | AES_KEY *key); |
6f9079fd | 47 | |
97879bcd | 48 | void AES_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e | 49 | const AES_KEY *key); |
97879bcd | 50 | void AES_decrypt(const unsigned char *in, unsigned char *out, |
0f113f3e | 51 | const AES_KEY *key); |
6f9079fd RL |
52 | |
53 | void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e | 54 | const AES_KEY *key, const int enc); |
6f9079fd | 55 | void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
56 | size_t length, const AES_KEY *key, |
57 | unsigned char *ivec, const int enc); | |
97879bcd | 58 | void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
59 | size_t length, const AES_KEY *key, |
60 | unsigned char *ivec, int *num, const int enc); | |
8d1ebe0b | 61 | void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
62 | size_t length, const AES_KEY *key, |
63 | unsigned char *ivec, int *num, const int enc); | |
8d1ebe0b | 64 | void AES_cfb8_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); | |
97879bcd | 67 | void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, |
0f113f3e MC |
68 | size_t length, const AES_KEY *key, |
69 | unsigned char *ivec, int *num); | |
fd367b4c | 70 | # if !OPENSSL_API_3 |
aa6d1a0c BL |
71 | /* NB: the IV is _two_ blocks long */ |
72 | void AES_ige_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e MC |
73 | size_t length, const AES_KEY *key, |
74 | unsigned char *ivec, const int enc); | |
aa6d1a0c BL |
75 | /* NB: the IV is _four_ blocks long */ |
76 | void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, | |
0f113f3e MC |
77 | size_t length, const AES_KEY *key, |
78 | const AES_KEY *key2, const unsigned char *ivec, | |
79 | const int enc); | |
fd367b4c | 80 | # endif |
97879bcd | 81 | |
6e3bc4f0 | 82 | int AES_wrap_key(AES_KEY *key, const unsigned char *iv, |
0f113f3e MC |
83 | unsigned char *out, |
84 | const unsigned char *in, unsigned int inlen); | |
6e3bc4f0 | 85 | int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, |
0f113f3e MC |
86 | unsigned char *out, |
87 | const unsigned char *in, unsigned int inlen); | |
6e3bc4f0 | 88 | |
6f9079fd | 89 | |
3c27208f | 90 | # ifdef __cplusplus |
6f9079fd | 91 | } |
3c27208f | 92 | # endif |
6f9079fd | 93 | |
3c27208f | 94 | #endif |