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cryb-to/include/cryb/rfc4648.h

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2014-07-04 11:18:53 +00:00
/*-
* Copyright (c) 2012-2013 Universitetet i Oslo
* All rights reserved.
*
* 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 above 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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.
*
* Author: Dag-Erling Smørgrav <des@des.no>
* Sponsor: the University of Oslo
*
2014-07-04 11:20:46 +00:00
* $Cryb$
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*/
#ifndef CRYB_RFC4648_H_INCLUDED
#define CRYB_RFC4648_H_INCLUDED
/* estimate of output length for base32 encoding / decoding */
#define base32_enclen(l) (size_t)(((l + 4) / 5) * 8)
#define base32_declen(l) (size_t)(((l + 7) / 8) * 5)
/* base32 encoding / decoding */
#define base32_encode cryb_base32_encode
#define base32_decode cryb_base32_decode
int base32_encode(const uint8_t *, size_t, char *, size_t *);
int base32_decode(const char *, size_t, uint8_t *, size_t *);
/* estimate of output length for base64 encoding / decoding */
#define base64_enclen(l) (size_t)(((l + 2) / 3) * 4)
#define base64_declen(l) (size_t)(((l + 3) / 4) * 3)
/* base64 encoding / decoding */
#define base64_encode cryb_base64_encode
#define base64_decode cryb_base64_decode
int base64_encode(const uint8_t *, size_t, char *, size_t *);
int base64_decode(const char *, size_t, uint8_t *, size_t *);
#endif