Blowfish block cipher. More...
#include "config.h"
#include <string.h>
#include <inttypes.h>
Go to the source code of this file.
Data Structures | |
struct | blowfish_context |
Blowfish context structure. More... | |
Defines | |
#define | BLOWFISH_ENCRYPT 1 |
#define | BLOWFISH_DECRYPT 0 |
#define | BLOWFISH_MAX_KEY 448 |
#define | BLOWFISH_MIN_KEY 32 |
#define | BLOWFISH_ROUNDS 16 |
#define | BLOWFISH_BLOCKSIZE 8 |
#define | POLARSSL_ERR_BLOWFISH_INVALID_KEY_LENGTH -0x0016 |
Invalid key length. | |
#define | POLARSSL_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018 |
Invalid data input length. | |
Functions | |
int | blowfish_setkey (blowfish_context *ctx, const unsigned char *key, unsigned int keysize) |
Blowfish key schedule. | |
int | blowfish_crypt_ecb (blowfish_context *ctx, int mode, const unsigned char input[BLOWFISH_BLOCKSIZE], unsigned char output[BLOWFISH_BLOCKSIZE]) |
Blowfish-ECB block encryption/decryption. |
Blowfish block cipher.
Copyright (C) 2012-2013, Brainspark B.V.
This file is part of PolarSSL (http://www.polarssl.org) Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
All rights reserved.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Definition in file blowfish.h.
#define BLOWFISH_BLOCKSIZE 8 |
Definition at line 46 of file blowfish.h.
#define BLOWFISH_DECRYPT 0 |
Definition at line 42 of file blowfish.h.
Referenced by blowfish_crypt_cbc(), blowfish_crypt_cfb64(), blowfish_crypt_ecb(), test_suite_blowfish_decrypt_cbc(), test_suite_blowfish_decrypt_cfb64(), and test_suite_blowfish_decrypt_ecb().
#define BLOWFISH_ENCRYPT 1 |
Definition at line 41 of file blowfish.h.
Referenced by blowfish_crypt_cfb64(), blowfish_crypt_ctr(), test_suite_blowfish_encrypt_cbc(), test_suite_blowfish_encrypt_cfb64(), and test_suite_blowfish_encrypt_ecb().
#define BLOWFISH_MAX_KEY 448 |
Definition at line 43 of file blowfish.h.
Referenced by blowfish_setkey().
#define BLOWFISH_MIN_KEY 32 |
Definition at line 44 of file blowfish.h.
#define BLOWFISH_ROUNDS 16 |
Definition at line 45 of file blowfish.h.
Referenced by blowfish_dec(), blowfish_enc(), and blowfish_setkey().
#define POLARSSL_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018 |
Invalid data input length.
Definition at line 49 of file blowfish.h.
Referenced by blowfish_crypt_cbc(), polarssl_strerror(), and verify_int().
#define POLARSSL_ERR_BLOWFISH_INVALID_KEY_LENGTH -0x0016 |
Invalid key length.
Definition at line 48 of file blowfish.h.
Referenced by blowfish_setkey(), polarssl_strerror(), and verify_int().
int blowfish_crypt_ecb | ( | blowfish_context * | ctx, | |
int | mode, | |||
const unsigned char | input[BLOWFISH_BLOCKSIZE], | |||
unsigned char | output[BLOWFISH_BLOCKSIZE] | |||
) |
Blowfish-ECB block encryption/decryption.
ctx | Blowfish context | |
mode | BLOWFISH_ENCRYPT or BLOWFISH_DECRYPT | |
input | 8-byte input block | |
output | 8-byte output block |
Definition at line 211 of file blowfish.c.
References blowfish_dec(), BLOWFISH_DECRYPT, blowfish_enc(), GET_UINT32_BE, and PUT_UINT32_BE.
Referenced by blowfish_crypt_cbc(), blowfish_crypt_cfb64(), blowfish_crypt_ctr(), blowfish_crypt_ecb_wrap(), test_suite_blowfish_decrypt_ecb(), and test_suite_blowfish_encrypt_ecb().
int blowfish_setkey | ( | blowfish_context * | ctx, | |
const unsigned char * | key, | |||
unsigned int | keysize | |||
) |
Blowfish key schedule.
ctx | Blowfish context to be initialized | |
key | encryption key | |
keysize | must be between 32 and 448 bits |
Definition at line 154 of file blowfish.c.
References blowfish_enc(), BLOWFISH_MAX_KEY, BLOWFISH_ROUNDS, P, blowfish_context::P, POLARSSL_ERR_BLOWFISH_INVALID_KEY_LENGTH, S, and blowfish_context::S.
Referenced by blowfish_setkey_wrap(), test_suite_blowfish_decrypt_cbc(), test_suite_blowfish_decrypt_cfb64(), test_suite_blowfish_decrypt_ecb(), test_suite_blowfish_encrypt_cbc(), test_suite_blowfish_encrypt_cfb64(), test_suite_blowfish_encrypt_ctr(), and test_suite_blowfish_encrypt_ecb().