File size: 2,342 Bytes
258fb37 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 |
/*
* Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* Copyright (C) 2019-2020 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if !defined(OGS_CRYPT_INSIDE) && !defined(OGS_CRYPT_COMPILATION)
#error "This header cannot be included directly."
#endif
#ifndef OGS_AES_H
#define OGS_AES_H
#ifdef __cplusplus
extern "C" {
#endif
#define OGS_AES_BLOCK_SIZE 16
#define OGS_AES_MAX_KEY_BITS 256
#define OGS_AES_KEYLENGTH(keybits) ((keybits)/8)
#define OGS_AES_RKLENGTH(keybits) ((keybits)/8+28)
#define OGS_AES_NROUNDS(keybits) ((keybits)/32+6)
int ogs_aes_setup_enc(uint32_t *rk, const uint8_t *key, int keybits);
int ogs_aes_setup_dec(uint32_t *rk, const uint8_t *key, int keybits);
void ogs_aes_encrypt(const uint32_t *rk, int nrounds,
const uint8_t plaintext[16], uint8_t ciphertext[16]);
void ogs_aes_decrypt(const uint32_t *rk, int nrounds,
const uint8_t ciphertext[16], uint8_t plaintext[16]);
int ogs_aes_cbc_encrypt(const uint8_t *key,
const uint32_t keybits, uint8_t *ivec,
const uint8_t *in, const uint32_t inlen,
uint8_t *out, uint32_t *outlen);
int ogs_aes_cbc_decrypt(const uint8_t *key,
const uint32_t keybits, uint8_t *ivec,
const uint8_t *in, const uint32_t inlen,
uint8_t *out, uint32_t *outlen);
int ogs_aes_ctr128_encrypt(const uint8_t *key,
uint8_t *ivec, const uint8_t *in, const uint32_t inlen,
uint8_t *out);
#ifdef __cplusplus
}
#endif
#endif /* OGS_AES_H */
|