mbed TLS v2.28.3
blowfish.h
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1
6/*
7 * Copyright The Mbed TLS Contributors
8 * SPDX-License-Identifier: Apache-2.0
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
11 * not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 */
22#ifndef MBEDTLS_BLOWFISH_H
23#define MBEDTLS_BLOWFISH_H
24
25#if !defined(MBEDTLS_CONFIG_FILE)
26#include "mbedtls/config.h"
27#else
28#include MBEDTLS_CONFIG_FILE
29#endif
30
31#include <stddef.h>
32#include <stdint.h>
33
35
36#define MBEDTLS_BLOWFISH_ENCRYPT 1
37#define MBEDTLS_BLOWFISH_DECRYPT 0
38#define MBEDTLS_BLOWFISH_MAX_KEY_BITS 448
39#define MBEDTLS_BLOWFISH_MIN_KEY_BITS 32
40#define MBEDTLS_BLOWFISH_ROUNDS 16
41#define MBEDTLS_BLOWFISH_BLOCKSIZE 8 /* Blowfish uses 64 bit blocks */
42
43#if !defined(MBEDTLS_DEPRECATED_REMOVED)
44#define MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH MBEDTLS_DEPRECATED_NUMERIC_CONSTANT(-0x0016)
45#endif /* !MBEDTLS_DEPRECATED_REMOVED */
47#define MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA -0x0016
48
50#define MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018
51
52/* MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED is deprecated and should not be used.
53 */
55#define MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED -0x0017
56
57#ifdef __cplusplus
58extern "C" {
59#endif
60
61#if !defined(MBEDTLS_BLOWFISH_ALT)
62// Regular implementation
63//
64
69 uint32_t P[MBEDTLS_BLOWFISH_ROUNDS + 2];
70 uint32_t S[4][256];
71}
73
74#else /* MBEDTLS_BLOWFISH_ALT */
75#include "blowfish_alt.h"
76#endif /* MBEDTLS_BLOWFISH_ALT */
77
85
95
108int mbedtls_blowfish_setkey(mbedtls_blowfish_context *ctx, const unsigned char *key,
109 unsigned int keybits);
110
128 int mode,
129 const unsigned char input[MBEDTLS_BLOWFISH_BLOCKSIZE],
130 unsigned char output[MBEDTLS_BLOWFISH_BLOCKSIZE]);
131
132#if defined(MBEDTLS_CIPHER_MODE_CBC)
162 int mode,
163 size_t length,
164 unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
165 const unsigned char *input,
166 unsigned char *output);
167#endif /* MBEDTLS_CIPHER_MODE_CBC */
168
169#if defined(MBEDTLS_CIPHER_MODE_CFB)
202 int mode,
203 size_t length,
204 size_t *iv_off,
205 unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
206 const unsigned char *input,
207 unsigned char *output);
208#endif /*MBEDTLS_CIPHER_MODE_CFB */
209
210#if defined(MBEDTLS_CIPHER_MODE_CTR)
275 size_t length,
276 size_t *nc_off,
277 unsigned char nonce_counter[MBEDTLS_BLOWFISH_BLOCKSIZE],
278 unsigned char stream_block[MBEDTLS_BLOWFISH_BLOCKSIZE],
279 const unsigned char *input,
280 unsigned char *output);
281#endif /* MBEDTLS_CIPHER_MODE_CTR */
282
283#ifdef __cplusplus
284}
285#endif
286
287#endif /* blowfish.h */
int mbedtls_blowfish_crypt_cbc(mbedtls_blowfish_context *ctx, int mode, size_t length, unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)
Perform a Blowfish-CBC buffer encryption/decryption operation.
int mbedtls_blowfish_setkey(mbedtls_blowfish_context *ctx, const unsigned char *key, unsigned int keybits)
Perform a Blowfish key schedule operation.
int mbedtls_blowfish_crypt_ctr(mbedtls_blowfish_context *ctx, size_t length, size_t *nc_off, unsigned char nonce_counter[MBEDTLS_BLOWFISH_BLOCKSIZE], unsigned char stream_block[MBEDTLS_BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)
Perform a Blowfish-CTR buffer encryption/decryption operation.
#define MBEDTLS_BLOWFISH_ROUNDS
Definition: blowfish.h:40
void mbedtls_blowfish_init(mbedtls_blowfish_context *ctx)
Initialize a Blowfish context.
void mbedtls_blowfish_free(mbedtls_blowfish_context *ctx)
Clear a Blowfish context.
#define MBEDTLS_BLOWFISH_BLOCKSIZE
Definition: blowfish.h:41
int mbedtls_blowfish_crypt_cfb64(mbedtls_blowfish_context *ctx, int mode, size_t length, size_t *iv_off, unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE], const unsigned char *input, unsigned char *output)
Perform a Blowfish CFB buffer encryption/decryption operation.
struct mbedtls_blowfish_context mbedtls_blowfish_context
Blowfish context structure.
int mbedtls_blowfish_crypt_ecb(mbedtls_blowfish_context *ctx, int mode, const unsigned char input[MBEDTLS_BLOWFISH_BLOCKSIZE], unsigned char output[MBEDTLS_BLOWFISH_BLOCKSIZE])
Perform a Blowfish-ECB block encryption/decryption operation.
Configuration options (set of defines)
Common and shared functions used by multiple modules in the Mbed TLS library.
Blowfish context structure.
Definition: blowfish.h:68
uint32_t P[MBEDTLS_BLOWFISH_ROUNDS+2]
Definition: blowfish.h:69
uint32_t S[4][256]
Definition: blowfish.h:70