openssl/crypto/rc4/rc4.org

* crypto/rc4/rc4.org * /* Copyright (C) 1995-1997 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.
• 1. 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.
• 1. 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 :-).
• 1. 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.]

*/

/* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING

• Always modify rc4.org since rc4.h is automatically generated from
• it during SSLeay configuration.
• WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING

*/

#ifndef HEADER_RC4_H #define HEADER_RC4_H

#ifdef __cplusplus extern "C" { #endif

/* using int types make the structure larger but make the code faster

• on most boxes I have tested - up to %20 faster. */

#define RC4_INT unsigned int

typedef struct rc4_key_st { RC4_INT x,y; RC4_INT data[256]; } RC4_KEY;

#ifndef NOPROTO

char *RC4_options(void); void RC4_set_key(RC4_KEY *key, int len, unsigned char *data); void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata, unsigned char *outdata);

#else

char *RC4_options(); void RC4_set_key(); void RC4();

#endif

#ifdef __cplusplus } #endif

#endif