1 /* crypto/rc2/rc2.h */ 2 /* Copyright (C) 1995-1997 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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_RC2_H 60 #define HEADER_RC2_H 61 62 #include <openssl/opensslconf.h> /* OPENSSL_NO_RC2, RC2_INT */ 63 #ifdef OPENSSL_NO_RC2 64 #error RC2 is disabled. 65 #endif 66 67 #define RC2_ENCRYPT 1 68 #define RC2_DECRYPT 0 69 70 #define RC2_BLOCK 8 71 #define RC2_KEY_LENGTH 16 72 73 #ifdef __cplusplus 74 extern "C" { 75 #endif 76 77 typedef struct rc2_key_st 78 { 79 RC2_INT data[64]; 80 } RC2_KEY; 81 82 #ifdef OPENSSL_FIPS 83 void private_RC2_set_key(RC2_KEY *key, int len, const unsigned char *data,int bits); 84 #endif 85 void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data,int bits); 86 void RC2_ecb_encrypt(const unsigned char *in,unsigned char *out,RC2_KEY *key, 87 int enc); 88 void RC2_encrypt(unsigned long *data,RC2_KEY *key); 89 void RC2_decrypt(unsigned long *data,RC2_KEY *key); 90 void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, 91 RC2_KEY *ks, unsigned char *iv, int enc); 92 void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out, 93 long length, RC2_KEY *schedule, unsigned char *ivec, 94 int *num, int enc); 95 void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out, 96 long length, RC2_KEY *schedule, unsigned char *ivec, 97 int *num); 98 99 #ifdef __cplusplus 100 } 101 #endif 102 103 #endif 104
