mbed TLS v2.14.1

blowfish.h
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1
6 /*
7 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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 * This file is part of mbed TLS (https://tls.mbed.org)
23 */
24 #ifndef MBEDTLS_BLOWFISH_H
25 #define MBEDTLS_BLOWFISH_H
26
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32
33 #include <stddef.h>
34 #include <stdint.h>
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 #define MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH -0x0016
45 /* MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED is deprecated and should not be used.
46 */
47 #define MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED -0x0017
49 #define MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018
51 #ifdef __cplusplus
52 extern "C" {
53 #endif
54
55 #if !defined(MBEDTLS_BLOWFISH_ALT)
56 // Regular implementation
57 //
58
62 typedef struct mbedtls_blowfish_context
63 {
64 uint32_t P[MBEDTLS_BLOWFISH_ROUNDS + 2];
65 uint32_t S[4][256];
66 }
67 mbedtls_blowfish_context;
68
69 #else /* MBEDTLS_BLOWFISH_ALT */
70 #include "blowfish_alt.h"
71 #endif /* MBEDTLS_BLOWFISH_ALT */
72
78 void mbedtls_blowfish_init( mbedtls_blowfish_context *ctx );
79
85 void mbedtls_blowfish_free( mbedtls_blowfish_context *ctx );
86
96 int mbedtls_blowfish_setkey( mbedtls_blowfish_context *ctx, const unsigned char *key,
97 unsigned int keybits );
98
109 int mbedtls_blowfish_crypt_ecb( mbedtls_blowfish_context *ctx,
110 int mode,
111 const unsigned char input[MBEDTLS_BLOWFISH_BLOCKSIZE],
112 unsigned char output[MBEDTLS_BLOWFISH_BLOCKSIZE] );
113
114 #if defined(MBEDTLS_CIPHER_MODE_CBC)
115
138 int mbedtls_blowfish_crypt_cbc( mbedtls_blowfish_context *ctx,
139 int mode,
140 size_t length,
141 unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
142 const unsigned char *input,
143 unsigned char *output );
144 #endif /* MBEDTLS_CIPHER_MODE_CBC */
145
146 #if defined(MBEDTLS_CIPHER_MODE_CFB)
147
168 int mbedtls_blowfish_crypt_cfb64( mbedtls_blowfish_context *ctx,
169 int mode,
170 size_t length,
171 size_t *iv_off,
172 unsigned char iv[MBEDTLS_BLOWFISH_BLOCKSIZE],
173 const unsigned char *input,
174 unsigned char *output );
175 #endif /*MBEDTLS_CIPHER_MODE_CFB */
176
177 #if defined(MBEDTLS_CIPHER_MODE_CTR)
178
235 int mbedtls_blowfish_crypt_ctr( mbedtls_blowfish_context *ctx,
236 size_t length,
237 size_t *nc_off,
238 unsigned char nonce_counter[MBEDTLS_BLOWFISH_BLOCKSIZE],
239 unsigned char stream_block[MBEDTLS_BLOWFISH_BLOCKSIZE],
240 const unsigned char *input,
241 unsigned char *output );
242 #endif /* MBEDTLS_CIPHER_MODE_CTR */
243
244 #ifdef __cplusplus
245 }
246 #endif
247
248 #endif /* blowfish.h */
MBEDTLS_BLOWFISH_BLOCKSIZE
#define MBEDTLS_BLOWFISH_BLOCKSIZE
Definition: blowfish.h:41
mbedtls_blowfish_crypt_ctr
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)
Blowfish-CTR buffer encryption/decryption.
config.h
Configuration options (set of defines)
mbedtls_blowfish_context
struct mbedtls_blowfish_context mbedtls_blowfish_context
Blowfish context structure.
mbedtls_blowfish_context
Blowfish context structure.
Definition: blowfish.h:62
mbedtls_blowfish_init
void mbedtls_blowfish_init(mbedtls_blowfish_context *ctx)
Initialize Blowfish context.
mbedtls_blowfish_crypt_cfb64
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)
Blowfish CFB buffer encryption/decryption.
mbedtls_blowfish_crypt_cbc
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)
Blowfish-CBC buffer encryption/decryption Length should be a multiple of the block size (8 bytes) ...
mbedtls_blowfish_crypt_ecb
int mbedtls_blowfish_crypt_ecb(mbedtls_blowfish_context *ctx, int mode, const unsigned char input[MBEDTLS_BLOWFISH_BLOCKSIZE], unsigned char output[MBEDTLS_BLOWFISH_BLOCKSIZE])
Blowfish-ECB block encryption/decryption.
mbedtls_blowfish_context::S
uint32_t S[4][256]
Definition: blowfish.h:65
mbedtls_blowfish_setkey
int mbedtls_blowfish_setkey(mbedtls_blowfish_context *ctx, const unsigned char *key, unsigned int keybits)
Blowfish key schedule.
MBEDTLS_BLOWFISH_ROUNDS
#define MBEDTLS_BLOWFISH_ROUNDS
Definition: blowfish.h:40
mbedtls_blowfish_context::P
uint32_t P[MBEDTLS_BLOWFISH_ROUNDS+2]
Definition: blowfish.h:64
mbedtls_blowfish_free
void mbedtls_blowfish_free(mbedtls_blowfish_context *ctx)
Clear Blowfish context.