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ocb.h
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1/*
2 * SPDX-FileCopyrightText: 2018 Mathias Tausig
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
21
22#include "crypto/ciphers.h"
23#include <stdint.h>
24#include <stddef.h>
25
26#ifdef __cplusplus
27extern "C" {
28#endif
29
34
38#define OCB_ERR_INVALID_NONCE_LENGTH (-2)
42#define OCB_ERR_INVALID_BLOCK_LENGTH (-3)
46#define OCB_ERR_INVALID_DATA_LENGTH (-3)
50#define OCB_ERR_INVALID_TAG_LENGTH (-4)
54#define OCB_ERR_INVALID_TAG (-5)
55
57
76int32_t cipher_encrypt_ocb(const cipher_t *cipher,
77 const uint8_t *auth_data, size_t auth_data_len,
78 uint8_t tag_len,
79 const uint8_t *nonce, size_t nonce_len,
80 const uint8_t *input, size_t input_len,
81 uint8_t *output);
82
101int32_t cipher_decrypt_ocb(const cipher_t *cipher,
102 const uint8_t *auth_data, size_t auth_data_len,
103 uint8_t tag_len,
104 const uint8_t *nonce, size_t nonce_len,
105 const uint8_t *input, size_t input_len,
106 uint8_t *output);
107#ifdef __cplusplus
108}
109#endif
110
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:115