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| Current File : //sys/crypto/blowfish/arch/i386/bf_enc_686.S |
/* $NetBSD: bf_enc_686.S,v 1.1 2001/09/09 11:01:02 tls Exp $ */ /* $FreeBSD: release/9.1.0/sys/crypto/blowfish/arch/i386/bf_enc_686.S 91671 2002-03-05 09:19:02Z ume $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* * Modified from the output of `perl bf-686.pl elf' by * Jason R. Thorpe <thorpej@zembu.com> and Thor Lancelot Simon * <tls@netbsd.org> */ #include <i386/include/asm.h> #define _C_LABEL CNAME ENTRY(BF_encrypt) pushl %ebp pushl %ebx pushl %esi pushl %edi /* Load the 2 words */ movl 20(%esp), %eax movl (%eax), %ecx movl 4(%eax), %edx /* P pointer, s and enc flag */ movl 24(%esp), %edi xorl %eax, %eax xorl %ebx, %ebx xorl (%edi), %ecx /* Round 0 */ rorl $16, %ecx movl 4(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 1 */ rorl $16, %edx movl 8(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 2 */ rorl $16, %ecx movl 12(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 3 */ rorl $16, %edx movl 16(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 4 */ rorl $16, %ecx movl 20(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 5 */ rorl $16, %edx movl 24(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 6 */ rorl $16, %ecx movl 28(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 7 */ rorl $16, %edx movl 32(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 8 */ rorl $16, %ecx movl 36(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 9 */ rorl $16, %edx movl 40(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 10 */ rorl $16, %ecx movl 44(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 11 */ rorl $16, %edx movl 48(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 12 */ rorl $16, %ecx movl 52(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 13 */ rorl $16, %edx movl 56(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 14 */ rorl $16, %ecx movl 60(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 15 */ rorl $16, %edx movl 64(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx xorl 68(%edi), %edx movl 20(%esp), %eax movl %edx, (%eax) movl %ecx, 4(%eax) popl %edi popl %esi popl %ebx popl %ebp ret .L_BF_encrypt_end: .size _C_LABEL(BF_encrypt),.L_BF_encrypt_end-_C_LABEL(BF_encrypt) ENTRY(BF_decrypt) pushl %ebp pushl %ebx pushl %esi pushl %edi /* Load the 2 words */ movl 20(%esp), %eax movl (%eax), %ecx movl 4(%eax), %edx /* P pointer, s and enc flag */ movl 24(%esp), %edi xorl %eax, %eax xorl %ebx, %ebx xorl 68(%edi), %ecx /* Round 16 */ rorl $16, %ecx movl 64(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 15 */ rorl $16, %edx movl 60(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 14 */ rorl $16, %ecx movl 56(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 13 */ rorl $16, %edx movl 52(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 12 */ rorl $16, %ecx movl 48(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 11 */ rorl $16, %edx movl 44(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 10 */ rorl $16, %ecx movl 40(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 9 */ rorl $16, %edx movl 36(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 8 */ rorl $16, %ecx movl 32(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 7 */ rorl $16, %edx movl 28(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 6 */ rorl $16, %ecx movl 24(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 5 */ rorl $16, %edx movl 20(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 4 */ rorl $16, %ecx movl 16(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 3 */ rorl $16, %edx movl 12(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx /* Round 2 */ rorl $16, %ecx movl 8(%edi), %esi movb %ch, %al movb %cl, %bl rorl $16, %ecx xorl %esi, %edx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %ch, %al movb %cl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %edx /* Round 1 */ rorl $16, %edx movl 4(%edi), %esi movb %dh, %al movb %dl, %bl rorl $16, %edx xorl %esi, %ecx movl 72(%edi,%eax,4),%esi movl 1096(%edi,%ebx,4),%ebp movb %dh, %al movb %dl, %bl addl %ebp, %esi movl 2120(%edi,%eax,4),%eax xorl %eax, %esi movl 3144(%edi,%ebx,4),%ebp addl %ebp, %esi xorl %eax, %eax xorl %esi, %ecx xorl (%edi), %edx movl 20(%esp), %eax movl %edx, (%eax) movl %ecx, 4(%eax) popl %edi popl %esi popl %ebx popl %ebp ret .L_BF_decrypt_end: .size _C_LABEL(BF_decrypt),.L_BF_decrypt_end-_C_LABEL(BF_decrypt)