1 /* 2 * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* 11 * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Neither the name of author nor the names of its contributors may 19 * be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef HEADER_SEED_H 36 # define HEADER_SEED_H 37 38 # include <openssl/opensslconf.h> 39 40 # ifndef OPENSSL_NO_SEED 41 # include <openssl/e_os2.h> 42 # include <openssl/crypto.h> 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 /* look whether we need 'long' to get 32 bits */ 49 # ifdef AES_LONG 50 # ifndef SEED_LONG 51 # define SEED_LONG 1 52 # endif 53 # endif 54 55 # include <sys/types.h> 56 57 # define SEED_BLOCK_SIZE 16 58 # define SEED_KEY_LENGTH 16 59 60 typedef struct seed_key_st { 61 # ifdef SEED_LONG 62 unsigned long data[32]; 63 # else 64 unsigned int data[32]; 65 # endif 66 } SEED_KEY_SCHEDULE; 67 68 void SEED_set_key(const unsigned char rawkey[SEED_KEY_LENGTH], 69 SEED_KEY_SCHEDULE *ks); 70 71 void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE], 72 unsigned char d[SEED_BLOCK_SIZE], 73 const SEED_KEY_SCHEDULE *ks); 74 void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE], 75 unsigned char d[SEED_BLOCK_SIZE], 76 const SEED_KEY_SCHEDULE *ks); 77 78 void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out, 79 const SEED_KEY_SCHEDULE *ks, int enc); 80 void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len, 81 const SEED_KEY_SCHEDULE *ks, 82 unsigned char ivec[SEED_BLOCK_SIZE], int enc); 83 void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out, 84 size_t len, const SEED_KEY_SCHEDULE *ks, 85 unsigned char ivec[SEED_BLOCK_SIZE], int *num, 86 int enc); 87 void SEED_ofb128_encrypt(const unsigned char *in, unsigned char *out, 88 size_t len, const SEED_KEY_SCHEDULE *ks, 89 unsigned char ivec[SEED_BLOCK_SIZE], int *num); 90 91 # ifdef __cplusplus 92 } 93 # endif 94 # endif 95 96 #endif 97