1 /* 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef _CRYPTO_SHA1_H_ 30 #define _CRYPTO_SHA1_H_ 31 32 #if KERNEL 33 #include <sys/types.h> 34 #else /* !KERNEL */ 35 #include <machine/types.h> 36 #endif /* KERNEL */ 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define SHA_DIGEST_LENGTH 20 43 #define SHA1_RESULTLEN SHA_DIGEST_LENGTH 44 45 typedef struct sha1_ctxt { 46 union { 47 u_int8_t b8[20]; 48 u_int32_t b32[5]; /* state (ABCDE) */ 49 } h; 50 union { 51 u_int8_t b8[8]; 52 u_int32_t b32[2]; 53 u_int64_t b64[1]; /* # of bits, modulo 2^64 (msb first) */ 54 } c; 55 union { 56 u_int8_t b8[64]; 57 u_int32_t b32[16]; /* input buffer */ 58 } m; 59 u_int8_t count; /* unused; for compatibility only */ 60 } SHA1_CTX; 61 62 /* For compatibility with the other SHA-1 implementation. */ 63 #define sha1_init(c) SHA1Init(c) 64 #define sha1_loop(c, b, l) SHA1Update(c, b, l) 65 #define sha1_result(c, b) SHA1Final(b, c) 66 67 extern void SHA1Init(SHA1_CTX *); 68 extern void SHA1Update(SHA1_CTX *, const void *, size_t); 69 extern void SHA1Final(void *, SHA1_CTX *); 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif /*_CRYPTO_SHA1_H_*/ 76