1 /* crypto/idea/idea.h */ 2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #ifndef HEADER_IDEA_H 60 # define HEADER_IDEA_H 61 62 # include <openssl/opensslconf.h>/* IDEA_INT, OPENSSL_NO_IDEA */ 63 64 # ifdef OPENSSL_NO_IDEA 65 # error IDEA is disabled. 66 # endif 67 68 # define IDEA_ENCRYPT 1 69 # define IDEA_DECRYPT 0 70 71 # define IDEA_BLOCK 8 72 # define IDEA_KEY_LENGTH 16 73 74 #ifdef __cplusplus 75 extern "C" { 76 #endif 77 78 typedef struct idea_key_st { 79 IDEA_INT data[9][6]; 80 } IDEA_KEY_SCHEDULE; 81 82 const char *idea_options(void); 83 void idea_ecb_encrypt(const unsigned char *in, unsigned char *out, 84 IDEA_KEY_SCHEDULE *ks); 85 # ifdef OPENSSL_FIPS 86 void private_idea_set_encrypt_key(const unsigned char *key, 87 IDEA_KEY_SCHEDULE *ks); 88 # endif 89 void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks); 90 void idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk); 91 void idea_cbc_encrypt(const unsigned char *in, unsigned char *out, 92 long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, 93 int enc); 94 void idea_cfb64_encrypt(const unsigned char *in, unsigned char *out, 95 long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, 96 int *num, int enc); 97 void idea_ofb64_encrypt(const unsigned char *in, unsigned char *out, 98 long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, 99 int *num); 100 void idea_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks); 101 #ifdef __cplusplus 102 } 103 #endif 104 105 #endif 106