Mbed TLS v2.28.9
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blowfish.h
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1
6/*
7 * Copyright The Mbed TLS Contributors
8 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9 */
10#ifndef MBEDTLS_BLOWFISH_H
11#define MBEDTLS_BLOWFISH_H
12
13#if !defined(MBEDTLS_CONFIG_FILE)
14#include "mbedtls/config.h"
15#else
16#include MBEDTLS_CONFIG_FILE
17#endif
18
19#include <stddef.h>
20#include <stdint.h>
21
23
24#define MBEDTLS_BLOWFISH_ENCRYPT 1
25#define MBEDTLS_BLOWFISH_DECRYPT 0
26#define MBEDTLS_BLOWFISH_MAX_KEY_BITS 448
27#define MBEDTLS_BLOWFISH_MIN_KEY_BITS 32
28#define MBEDTLS_BLOWFISH_ROUNDS 16
29#define MBEDTLS_BLOWFISH_BLOCKSIZE 8 /* Blowfish uses 64 bit blocks */
30
31#if !defined(MBEDTLS_DEPRECATED_REMOVED)
32#define MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH MBEDTLS_DEPRECATED_NUMERIC_CONSTANT(-0x0016)
33#endif /* !MBEDTLS_DEPRECATED_REMOVED */
35#define MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA -0x0016
36
38#define MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018
39
40/* MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED is deprecated and should not be used.
41 */
43#define MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED -0x0017
44
45#ifdef __cplusplus
46extern "C" {
47#endif
48
49#if !defined(MBEDTLS_BLOWFISH_ALT)
50// Regular implementation
51//
52
57 uint32_t P[MBEDTLS_BLOWFISH_ROUNDS + 2];
58 uint32_t S[4][256];
59}
61
62#else /* MBEDTLS_BLOWFISH_ALT */
63#include "blowfish_alt.h"
64#endif /* MBEDTLS_BLOWFISH_ALT */
65
73
83
96int mbedtls_blowfish_setkey(mbedtls_blowfish_context *ctx, const unsigned char *key,
97 unsigned int keybits);
98
116 int mode,
117 const unsigned char input[MBEDTLS_BLOWFISH_BLOCKSIZE],
118 unsigned char output[MBEDTLS_BLOWFISH_BLOCKSIZE]);
119
120#if defined(MBEDTLS_CIPHER_MODE_CBC)
150 int mode,
151 size_t length,
152 unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
153 const unsigned char *input,
154 unsigned char *output);
155#endif /* MBEDTLS_CIPHER_MODE_CBC */
156
157#if defined(MBEDTLS_CIPHER_MODE_CFB)
190 int mode,
191 size_t length,
192 size_t *iv_off,
193 unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
194 const unsigned char *input,
195 unsigned char *output);
196#endif /*MBEDTLS_CIPHER_MODE_CFB */
197
198#if defined(MBEDTLS_CIPHER_MODE_CTR)
263 size_t length,
264 size_t *nc_off,
265 unsigned char nonce_counter[MBEDTLS_BLOWFISH_BLOCKSIZE],
266 unsigned char stream_block[MBEDTLS_BLOWFISH_BLOCKSIZE],
267 const unsigned char *input,
268 unsigned char *output);
269#endif /* MBEDTLS_CIPHER_MODE_CTR */
270
271#ifdef __cplusplus
272}
273#endif
274
275#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:28
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:29
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:56
uint32_t P[MBEDTLS_BLOWFISH_ROUNDS+2]
Definition blowfish.h:57
uint32_t S[4][256]
Definition blowfish.h:58