1 /* ----------------------------------------------------------------------- * 2 * 3 * Copyright 2005-2008 H. Peter Anvin - All Rights Reserved 4 * 5 * Permission is hereby granted, free of charge, to any person 6 * obtaining a copy of this software and associated documentation 7 * files (the "Software"), to deal in the Software without 8 * restriction, including without limitation the rights to use, 9 * copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom 11 * the Software is furnished to do so, subject to the following 12 * conditions: 13 * 14 * The above copyright notice and this permission notice shall 15 * be included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * ----------------------------------------------------------------------- */ 27 28 /* 29 * base64.h 30 * 31 * Simple routines for handing base64 text 32 */ 33 34 #ifndef LIBUTIL_BASE64_H 35 #define LIBUTIL_BASE64_H 36 37 #include <stddef.h> 38 39 #define BASE64_PAD 0x10000 40 41 /* There is plenty of disagreement w.r.t. the last few characters... */ 42 #define BASE64_MIME ('+' + ('/' << 8)) 43 #define BASE64_SAFE ('-' + ('_' << 8)) 44 #define BASE64_CRYPT ('.' + ('/' << 8)) 45 #define BASE64_URL ('*' + ('-' << 8)) /* Haven't seen myself */ 46 #define BASE64_REGEX ('|' + ('-' << 8)) /* Ditto... */ 47 48 size_t genbase64(char *output, const void *digest, size_t size, int flags); 49 size_t unbase64(unsigned char *, size_t, const char *); 50 51 #endif 52
