1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1998, by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_SHA1_CONSTS_H 28*0Sstevel@tonic-gate #define _SYS_SHA1_CONSTS_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * as explained in sha1.c, loading 32-bit constants on a sparc is expensive 38*0Sstevel@tonic-gate * since it involves both a `sethi' and an `or'. thus, we instead use `ld' 39*0Sstevel@tonic-gate * to load the constants from an array called `sha1_consts'. however, on 40*0Sstevel@tonic-gate * intel (and perhaps other processors), it is cheaper to load the constant 41*0Sstevel@tonic-gate * directly. thus, the c code in SHA1Transform() uses the macro SHA1_CONST() 42*0Sstevel@tonic-gate * which either expands to a constant or an array reference, depending on 43*0Sstevel@tonic-gate * the architecture the code is being compiled for. 44*0Sstevel@tonic-gate */ 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate #include <sys/types.h> /* uint32_t */ 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate extern const uint32_t sha1_consts[]; 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #if defined(__sparc) 51*0Sstevel@tonic-gate #define SHA1_CONST(x) (sha1_consts[x]) 52*0Sstevel@tonic-gate #else 53*0Sstevel@tonic-gate #define SHA1_CONST(x) (SHA1_CONST_ ## x) 54*0Sstevel@tonic-gate #endif 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate /* constants, as provided in FIPS 180-1 */ 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate #define SHA1_CONST_0 0x5a827999U 59*0Sstevel@tonic-gate #define SHA1_CONST_1 0x6ed9eba1U 60*0Sstevel@tonic-gate #define SHA1_CONST_2 0x8f1bbcdcU 61*0Sstevel@tonic-gate #define SHA1_CONST_3 0xca62c1d6U 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate #ifdef __cplusplus 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate #endif 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate #endif /* _SYS_SHA1_CONSTS_H */ 68