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Diffstat (limited to 'include/openssl/rc5.h')
| -rw-r--r-- | include/openssl/rc5.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/openssl/rc5.h b/include/openssl/rc5.h new file mode 100644 index 0000000000..026a1147a9 --- /dev/null +++ b/include/openssl/rc5.h @@ -0,0 +1,113 @@ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#ifndef HEADER_RC5_H +# define HEADER_RC5_H + +# include <openssl/opensslconf.h>/* OPENSSL_NO_RC5 */ + +#ifdef __cplusplus +extern "C" { +#endif + +# ifdef OPENSSL_NO_RC5 +# error RC5 is disabled. +# endif + +# define RC5_ENCRYPT 1 +# define RC5_DECRYPT 0 + +# define RC5_32_INT unsigned int + +# define RC5_32_BLOCK 8 +# define RC5_32_KEY_LENGTH 16/* This is a default, max is 255 */ + +/* + * This are the only values supported. Tweak the code if you want more The + * most supported modes will be RC5-32/12/16 RC5-32/16/8 + */ +# define RC5_8_ROUNDS 8 +# define RC5_12_ROUNDS 12 +# define RC5_16_ROUNDS 16 + +typedef struct rc5_key_st { + /* Number of rounds */ + int rounds; + RC5_32_INT data[2 * (RC5_16_ROUNDS + 1)]; +} RC5_32_KEY; + +void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data, + int rounds); +void RC5_32_ecb_encrypt(const unsigned char *in, unsigned char *out, + RC5_32_KEY *key, int enc); +void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key); +void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key); +void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out, + long length, RC5_32_KEY *ks, unsigned char *iv, + int enc); +void RC5_32_cfb64_encrypt(const unsigned char *in, unsigned char *out, + long length, RC5_32_KEY *schedule, + unsigned char *ivec, int *num, int enc); +void RC5_32_ofb64_encrypt(const unsigned char *in, unsigned char *out, + long length, RC5_32_KEY *schedule, + unsigned char *ivec, int *num); + +#ifdef __cplusplus +} +#endif + +#endif |