1 /* 2 Copyright (c) 2007, Adobe Systems, Incorporated 3 All rights reserved. 4 5 Redistribution and use in source and binary forms, with or without 6 modification, are permitted provided that the following conditions are 7 met: 8 9 * Redistributions of source code must retain the above copyright 10 notice, this list of conditions and the following disclaimer. 11 12 * Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 * Neither the name of Adobe Systems, Network Resonance nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 34 35 #ifndef _nr_crypto_h 36 #define _nr_crypto_h 37 38 39 typedef struct nr_ice_crypto_vtbl_ { 40 int (*random_bytes)(UCHAR *buf, size_t len); 41 int (*hmac_sha1)(UCHAR *key, size_t key_l, UCHAR *buf, size_t buf_l, UCHAR digest[20]); 42 int (*md5)(UCHAR *buf, size_t buf_l, UCHAR digest[16]); 43 } nr_ice_crypto_vtbl; 44 45 extern nr_ice_crypto_vtbl *nr_crypto_vtbl; 46 47 #define nr_crypto_random_bytes(a,b) nr_crypto_vtbl->random_bytes(a,b) 48 #define nr_crypto_hmac_sha1(a,b,c,d,e) nr_crypto_vtbl->hmac_sha1(a,b,c,d,e) 49 #define nr_crypto_md5(a,b,c) nr_crypto_vtbl->md5(a,b,c) 50 51 #endif 52 53