1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_SHA1_H 27 #define _SYS_SHA1_H 28 29 #include <sys/types.h> /* for uint_* */ 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * NOTE: n2rng (Niagara2 RNG driver) accesses the state field of 37 * SHA1_CTX directly. NEVER change this structure without verifying 38 * compatiblity with n2rng. The important thing is that the state 39 * must be in a field declared as uint32_t state[5]. 40 */ 41 /* SHA-1 context. */ 42 typedef struct { 43 uint32_t state[5]; /* state (ABCDE) */ 44 uint32_t count[2]; /* number of bits, modulo 2^64 (msb first) */ 45 union { 46 uint8_t buf8[64]; /* undigested input */ 47 uint32_t buf32[16]; /* realigned input */ 48 } buf_un; 49 } SHA1_CTX; 50 51 #define SHA1_BLOCK_LENGTH 64 52 #define SHA1_DIGEST_LENGTH 20 53 54 void SHA1Init(SHA1_CTX *); 55 void SHA1Update(SHA1_CTX *, const void *, size_t); 56 void SHA1Final(void *, SHA1_CTX *); 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* _SYS_SHA1_H */ 63