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ocb.h
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1/*
2 * Copyright (C) 2018 Mathias Tausig
3 *
4 * This file is subject to the terms and conditions of the GNU Lesser
5 * General Public License v2.1. See the file LICENSE in the top level
6 * directory for more details.
7 */
8
23#ifndef CRYPTO_MODES_OCB_H
24#define CRYPTO_MODES_OCB_H
25
26#include "crypto/ciphers.h"
27#include <stdint.h>
28#include <stddef.h>
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
42#define OCB_ERR_INVALID_NONCE_LENGTH (-2)
46#define OCB_ERR_INVALID_BLOCK_LENGTH (-3)
50#define OCB_ERR_INVALID_DATA_LENGTH (-3)
54#define OCB_ERR_INVALID_TAG_LENGTH (-4)
58#define OCB_ERR_INVALID_TAG (-5)
59
80int32_t cipher_encrypt_ocb(const cipher_t *cipher,
81 const uint8_t *auth_data, size_t auth_data_len,
82 uint8_t tag_len,
83 const uint8_t *nonce, size_t nonce_len,
84 const uint8_t *input, size_t input_len,
85 uint8_t *output);
86
105int32_t cipher_decrypt_ocb(const cipher_t *cipher,
106 const uint8_t *auth_data, size_t auth_data_len,
107 uint8_t tag_len,
108 const uint8_t *nonce, size_t nonce_len,
109 const uint8_t *input, size_t input_len,
110 uint8_t *output);
111#ifdef __cplusplus
112}
113#endif
114
115#endif /* CRYPTO_MODES_OCB_H */
ciphers.h
Headers for the packet encryption class.
cipher_decrypt_ocb
int32_t cipher_decrypt_ocb(const cipher_t *cipher, const uint8_t *auth_data, size_t auth_data_len, uint8_t tag_len, const uint8_t *nonce, size_t nonce_len, const uint8_t *input, size_t input_len, uint8_t *output)
Decrypt and verify the authentication of OCB encrypted data.
cipher_encrypt_ocb
int32_t cipher_encrypt_ocb(const cipher_t *cipher, const uint8_t *auth_data, size_t auth_data_len, uint8_t tag_len, const uint8_t *nonce, size_t nonce_len, const uint8_t *input, size_t input_len, uint8_t *output)
Encrypt and authenticate data of arbitrary length in OCB mode.
cipher_t
basic struct for using block ciphers contains the cipher interface and the context
Definition ciphers.h:119