mbed TLS v2.23.0

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 "mbedtls/config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32
33 #include <stddef.h>
34 #include <stdint.h>
35
36 #include "mbedtls/platform_util.h"
37
38 #define MBEDTLS_BLOWFISH_ENCRYPT 1
39 #define MBEDTLS_BLOWFISH_DECRYPT 0
40 #define MBEDTLS_BLOWFISH_MAX_KEY_BITS 448
41 #define MBEDTLS_BLOWFISH_MIN_KEY_BITS 32
42 #define MBEDTLS_BLOWFISH_ROUNDS 16
43 #define MBEDTLS_BLOWFISH_BLOCKSIZE 8 /* Blowfish uses 64 bit blocks */
44
45 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
46 #define MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH MBEDTLS_DEPRECATED_NUMERIC_CONSTANT( -0x0016 )
47 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
48 #define MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA -0x0016
50 #define MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018
52 /* MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED is deprecated and should not be used.
53 */
54 #define MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED -0x0017
56 #ifdef __cplusplus
57 extern "C" {
58 #endif
59
60 #if !defined(MBEDTLS_BLOWFISH_ALT)
61 // Regular implementation
62 //
63
67 typedef struct mbedtls_blowfish_context
68 {
69 uint32_t P[MBEDTLS_BLOWFISH_ROUNDS + 2];
70 uint32_t S[4][256];
71 }
72 mbedtls_blowfish_context;
73
74 #else /* MBEDTLS_BLOWFISH_ALT */
75 #include "blowfish_alt.h"
76 #endif /* MBEDTLS_BLOWFISH_ALT */
77
84 void mbedtls_blowfish_init( mbedtls_blowfish_context *ctx );
85
94 void mbedtls_blowfish_free( mbedtls_blowfish_context *ctx );
95
108 int mbedtls_blowfish_setkey( mbedtls_blowfish_context *ctx, const unsigned char *key,
109 unsigned int keybits );
110
127 int mbedtls_blowfish_crypt_ecb( mbedtls_blowfish_context *ctx,
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)
133
161 int mbedtls_blowfish_crypt_cbc( mbedtls_blowfish_context *ctx,
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)
170
201 int mbedtls_blowfish_crypt_cfb64( mbedtls_blowfish_context *ctx,
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)
211
274 int mbedtls_blowfish_crypt_ctr( mbedtls_blowfish_context *ctx,
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 */
mbedtls_blowfish_context
struct mbedtls_blowfish_context mbedtls_blowfish_context
Blowfish context structure.
mbedtls_blowfish_setkey
int mbedtls_blowfish_setkey(mbedtls_blowfish_context *ctx, const unsigned char *key, unsigned int keybits)
Perform a Blowfish key schedule operation.
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)
Perform a Blowfish-CBC buffer encryption/decryption operation.
mbedtls_blowfish_context
Blowfish context structure.
Definition: blowfish.h:68
MBEDTLS_BLOWFISH_ROUNDS
#define MBEDTLS_BLOWFISH_ROUNDS
Definition: blowfish.h:42
MBEDTLS_BLOWFISH_BLOCKSIZE
#define MBEDTLS_BLOWFISH_BLOCKSIZE
Definition: blowfish.h:43
mbedtls_blowfish_context::S
uint32_t S[4][256]
Definition: blowfish.h:70
mbedtls_blowfish_context::P
uint32_t P[MBEDTLS_BLOWFISH_ROUNDS+2]
Definition: blowfish.h:69
mbedtls_blowfish_free
void mbedtls_blowfish_free(mbedtls_blowfish_context *ctx)
Clear a 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)
Perform a Blowfish CFB buffer encryption/decryption operation.
config.h
Configuration options (set of defines)
platform_util.h
Common and shared functions used by multiple modules in the Mbed TLS library.
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])
Perform a Blowfish-ECB block encryption/decryption operation.
mbedtls_blowfish_init
void mbedtls_blowfish_init(mbedtls_blowfish_context *ctx)
Initialize a Blowfish context.
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)
Perform a Blowfish-CTR buffer encryption/decryption operation.