470 lines
10 KiB
ArmAsm
470 lines
10 KiB
ArmAsm
/* $NetBSD: des_cbc.S,v 1.4 2005/02/26 23:04:17 perry Exp $ */
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/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/*
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* Modified from the output of `perl des686.pl elf' by
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* Thor Lancelot Simon <tls@NetBSD.org>
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*/
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#include <i386/include/asm.h>
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ENTRY(des_ncbc_encrypt)
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pushl %ebp
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pushl %ebx
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pushl %esi
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pushl %edi
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movl 28(%esp), %ebp
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# getting iv ptr from parameter 4
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movl 36(%esp), %ebx
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movl (%ebx), %esi
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movl 4(%ebx), %edi
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pushl %edi
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pushl %esi
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pushl %edi
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pushl %esi
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movl %esp, %ebx
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movl 36(%esp), %esi
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movl 40(%esp), %edi
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# getting encrypt flag from parameter 5
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movl 56(%esp), %ecx
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# get and push parameter 5
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pushl %ecx
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# get and push parameter 3
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movl 52(%esp), %eax
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pushl %eax
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pushl %ebx
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cmpl $0, %ecx
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jz .L004decrypt
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andl $4294967288, %ebp
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movl 12(%esp), %eax
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movl 16(%esp), %ebx
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jz .L005encrypt_finish
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.L006encrypt_loop:
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movl (%esi), %ecx
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movl 4(%esi), %edx
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xorl %ecx, %eax
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xorl %edx, %ebx
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movl %eax, 12(%esp)
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movl %ebx, 16(%esp)
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call _C_LABEL(des_encrypt1)
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movl 12(%esp), %eax
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movl 16(%esp), %ebx
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movl %eax, (%edi)
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movl %ebx, 4(%edi)
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addl $8, %esi
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addl $8, %edi
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subl $8, %ebp
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jnz .L006encrypt_loop
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.L005encrypt_finish:
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movl 56(%esp), %ebp
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andl $7, %ebp
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jz .L007finish
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xorl %ecx, %ecx
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xorl %edx, %edx
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movl .L008cbc_enc_jmp_table(,%ebp,4),%ebp
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jmp *%ebp
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.L009ej7:
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movb 6(%esi), %dh
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sall $8, %edx
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.L010ej6:
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movb 5(%esi), %dh
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.L011ej5:
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movb 4(%esi), %dl
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.L012ej4:
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movl (%esi), %ecx
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jmp .L013ejend
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.L014ej3:
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movb 2(%esi), %ch
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sall $8, %ecx
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.L015ej2:
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movb 1(%esi), %ch
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.L016ej1:
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movb (%esi), %cl
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.L013ejend:
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xorl %ecx, %eax
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xorl %edx, %ebx
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movl %eax, 12(%esp)
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movl %ebx, 16(%esp)
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call _C_LABEL(des_encrypt1)
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movl 12(%esp), %eax
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movl 16(%esp), %ebx
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movl %eax, (%edi)
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movl %ebx, 4(%edi)
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jmp .L007finish
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L004decrypt:
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andl $4294967288, %ebp
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movl 20(%esp), %eax
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movl 24(%esp), %ebx
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jz .L017decrypt_finish
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.L018decrypt_loop:
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movl (%esi), %eax
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movl 4(%esi), %ebx
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movl %eax, 12(%esp)
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movl %ebx, 16(%esp)
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call _C_LABEL(des_encrypt1)
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movl 12(%esp), %eax
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movl 16(%esp), %ebx
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movl 20(%esp), %ecx
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movl 24(%esp), %edx
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xorl %eax, %ecx
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xorl %ebx, %edx
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movl (%esi), %eax
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movl 4(%esi), %ebx
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movl %ecx, (%edi)
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movl %edx, 4(%edi)
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movl %eax, 20(%esp)
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movl %ebx, 24(%esp)
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addl $8, %esi
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addl $8, %edi
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subl $8, %ebp
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jnz .L018decrypt_loop
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.L017decrypt_finish:
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movl 56(%esp), %ebp
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andl $7, %ebp
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jz .L007finish
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movl (%esi), %eax
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movl 4(%esi), %ebx
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movl %eax, 12(%esp)
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movl %ebx, 16(%esp)
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call _C_LABEL(des_encrypt1)
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movl 12(%esp), %eax
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movl 16(%esp), %ebx
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movl 20(%esp), %ecx
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movl 24(%esp), %edx
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xorl %eax, %ecx
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xorl %ebx, %edx
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movl (%esi), %eax
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movl 4(%esi), %ebx
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.L019dj7:
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rorl $16, %edx
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movb %dl, 6(%edi)
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shrl $16, %edx
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.L020dj6:
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movb %dh, 5(%edi)
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.L021dj5:
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movb %dl, 4(%edi)
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.L022dj4:
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movl %ecx, (%edi)
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jmp .L023djend
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.L024dj3:
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rorl $16, %ecx
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movb %cl, 2(%edi)
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sall $16, %ecx
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.L025dj2:
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movb %ch, 1(%esi)
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.L026dj1:
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movb %cl, (%esi)
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.L023djend:
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jmp .L007finish
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L007finish:
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movl 64(%esp), %ecx
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addl $28, %esp
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movl %eax, (%ecx)
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movl %ebx, 4(%ecx)
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popl %edi
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popl %esi
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popl %ebx
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popl %ebp
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ret
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L008cbc_enc_jmp_table:
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.long 0
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.long .L016ej1
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.long .L015ej2
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.long .L014ej3
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.long .L012ej4
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.long .L011ej5
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.long .L010ej6
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.long .L009ej7
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L027cbc_dec_jmp_table:
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.long 0
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.long .L026dj1
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.long .L025dj2
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.long .L024dj3
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.long .L022dj4
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.long .L021dj5
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.long .L020dj6
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.long .L019dj7
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.L_des_ncbc_encrypt_end:
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.size _C_LABEL(des_ncbc_encrypt),.L_des_ncbc_encrypt_end-_C_LABEL(des_ncbc_encrypt)
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ENTRY(des_ede3_cbc_encrypt)
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pushl %ebp
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pushl %ebx
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pushl %esi
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pushl %edi
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movl 28(%esp), %ebp
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# getting iv ptr from parameter 6
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movl 44(%esp), %ebx
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movl (%ebx), %esi
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movl 4(%ebx), %edi
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pushl %edi
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pushl %esi
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pushl %edi
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pushl %esi
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movl %esp, %ebx
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movl 36(%esp), %esi
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movl 40(%esp), %edi
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# getting encrypt flag from parameter 7
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movl 64(%esp), %ecx
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# get and push parameter 5
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movl 56(%esp), %eax
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pushl %eax
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# get and push parameter 4
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movl 56(%esp), %eax
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pushl %eax
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# get and push parameter 3
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movl 56(%esp), %eax
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pushl %eax
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pushl %ebx
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cmpl $0, %ecx
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jz .L028decrypt
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andl $4294967288, %ebp
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movl 16(%esp), %eax
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movl 20(%esp), %ebx
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jz .L029encrypt_finish
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.L030encrypt_loop:
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movl (%esi), %ecx
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movl 4(%esi), %edx
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xorl %ecx, %eax
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xorl %edx, %ebx
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movl %eax, 16(%esp)
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movl %ebx, 20(%esp)
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call _C_LABEL(des_encrypt3)
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movl 16(%esp), %eax
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movl 20(%esp), %ebx
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movl %eax, (%edi)
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movl %ebx, 4(%edi)
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addl $8, %esi
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addl $8, %edi
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subl $8, %ebp
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jnz .L030encrypt_loop
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.L029encrypt_finish:
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movl 60(%esp), %ebp
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andl $7, %ebp
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jz .L031finish
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xorl %ecx, %ecx
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xorl %edx, %edx
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movl .L032cbc_enc_jmp_table(,%ebp,4),%ebp
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jmp *%ebp
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.L033ej7:
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movb 6(%esi), %dh
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sall $8, %edx
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.L034ej6:
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movb 5(%esi), %dh
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.L035ej5:
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movb 4(%esi), %dl
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.L036ej4:
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movl (%esi), %ecx
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jmp .L037ejend
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.L038ej3:
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movb 2(%esi), %ch
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sall $8, %ecx
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.L039ej2:
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movb 1(%esi), %ch
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.L040ej1:
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movb (%esi), %cl
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.L037ejend:
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xorl %ecx, %eax
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xorl %edx, %ebx
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movl %eax, 16(%esp)
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movl %ebx, 20(%esp)
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call _C_LABEL(des_encrypt3)
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movl 16(%esp), %eax
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movl 20(%esp), %ebx
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movl %eax, (%edi)
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movl %ebx, 4(%edi)
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jmp .L031finish
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L028decrypt:
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andl $4294967288, %ebp
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movl 24(%esp), %eax
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movl 28(%esp), %ebx
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jz .L041decrypt_finish
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.L042decrypt_loop:
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movl (%esi), %eax
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movl 4(%esi), %ebx
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movl %eax, 16(%esp)
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movl %ebx, 20(%esp)
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call _C_LABEL(des_decrypt3)
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movl 16(%esp), %eax
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movl 20(%esp), %ebx
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movl 24(%esp), %ecx
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movl 28(%esp), %edx
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xorl %eax, %ecx
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xorl %ebx, %edx
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movl (%esi), %eax
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movl 4(%esi), %ebx
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movl %ecx, (%edi)
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movl %edx, 4(%edi)
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movl %eax, 24(%esp)
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movl %ebx, 28(%esp)
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addl $8, %esi
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addl $8, %edi
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subl $8, %ebp
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jnz .L042decrypt_loop
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.L041decrypt_finish:
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movl 60(%esp), %ebp
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andl $7, %ebp
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jz .L031finish
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movl (%esi), %eax
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movl 4(%esi), %ebx
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movl %eax, 16(%esp)
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movl %ebx, 20(%esp)
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call _C_LABEL(des_decrypt3)
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movl 16(%esp), %eax
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movl 20(%esp), %ebx
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movl 24(%esp), %ecx
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movl 28(%esp), %edx
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xorl %eax, %ecx
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xorl %ebx, %edx
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movl (%esi), %eax
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movl 4(%esi), %ebx
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.L043dj7:
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rorl $16, %edx
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movb %dl, 6(%edi)
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shrl $16, %edx
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.L044dj6:
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movb %dh, 5(%edi)
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.L045dj5:
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movb %dl, 4(%edi)
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.L046dj4:
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movl %ecx, (%edi)
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jmp .L047djend
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.L048dj3:
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rorl $16, %ecx
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movb %cl, 2(%edi)
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sall $16, %ecx
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.L049dj2:
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movb %ch, 1(%esi)
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.L050dj1:
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movb %cl, (%esi)
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.L047djend:
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jmp .L031finish
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L031finish:
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movl 76(%esp), %ecx
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addl $32, %esp
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movl %eax, (%ecx)
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movl %ebx, 4(%ecx)
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popl %edi
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popl %esi
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popl %ebx
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popl %ebp
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ret
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L032cbc_enc_jmp_table:
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.long 0
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.long .L040ej1
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.long .L039ej2
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.long .L038ej3
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.long .L036ej4
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.long .L035ej5
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.long .L034ej6
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.long .L033ej7
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#ifdef __ELF__
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.align 16
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#else
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.align 4
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#endif
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.L051cbc_dec_jmp_table:
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.long 0
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.long .L050dj1
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.long .L049dj2
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.long .L048dj3
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.long .L046dj4
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.long .L045dj5
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.long .L044dj6
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.long .L043dj7
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.L_des_ede3_cbc_encrypt_end:
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.size _C_LABEL(des_ede3_cbc_encrypt),.L_des_ede3_cbc_encrypt_end-_C_LABEL(des_ede3_cbc_encrypt)
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