bf_cbc.S revision 1.1.6.2
1 1.1.6.2 jdolecek /* $NetBSD: bf_cbc.S,v 1.1.6.2 2002/02/07 07:09:48 jdolecek Exp $ */ 2 1.1.6.2 jdolecek 3 1.1.6.2 jdolecek /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 4 1.1.6.2 jdolecek * All rights reserved. 5 1.1.6.2 jdolecek * 6 1.1.6.2 jdolecek * This package is an SSL implementation written 7 1.1.6.2 jdolecek * by Eric Young (eay (at) cryptsoft.com). 8 1.1.6.2 jdolecek * The implementation was written so as to conform with Netscapes SSL. 9 1.1.6.2 jdolecek * 10 1.1.6.2 jdolecek * This library is free for commercial and non-commercial use as long as 11 1.1.6.2 jdolecek * the following conditions are aheared to. The following conditions 12 1.1.6.2 jdolecek * apply to all code found in this distribution, be it the RC4, RSA, 13 1.1.6.2 jdolecek * lhash, DES, etc., code; not just the SSL code. The SSL documentation 14 1.1.6.2 jdolecek * included with this distribution is covered by the same copyright terms 15 1.1.6.2 jdolecek * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 16 1.1.6.2 jdolecek * 17 1.1.6.2 jdolecek * Copyright remains Eric Young's, and as such any Copyright notices in 18 1.1.6.2 jdolecek * the code are not to be removed. 19 1.1.6.2 jdolecek * If this package is used in a product, Eric Young should be given attribution 20 1.1.6.2 jdolecek * as the author of the parts of the library used. 21 1.1.6.2 jdolecek * This can be in the form of a textual message at program startup or 22 1.1.6.2 jdolecek * in documentation (online or textual) provided with the package. 23 1.1.6.2 jdolecek * 24 1.1.6.2 jdolecek * Redistribution and use in source and binary forms, with or without 25 1.1.6.2 jdolecek * modification, are permitted provided that the following conditions 26 1.1.6.2 jdolecek * are met: 27 1.1.6.2 jdolecek * 1. Redistributions of source code must retain the copyright 28 1.1.6.2 jdolecek * notice, this list of conditions and the following disclaimer. 29 1.1.6.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 30 1.1.6.2 jdolecek * notice, this list of conditions and the following disclaimer in the 31 1.1.6.2 jdolecek * documentation and/or other materials provided with the distribution. 32 1.1.6.2 jdolecek * 3. All advertising materials mentioning features or use of this software 33 1.1.6.2 jdolecek * must display the following acknowledgement: 34 1.1.6.2 jdolecek * "This product includes cryptographic software written by 35 1.1.6.2 jdolecek * Eric Young (eay (at) cryptsoft.com)" 36 1.1.6.2 jdolecek * The word 'cryptographic' can be left out if the rouines from the library 37 1.1.6.2 jdolecek * being used are not cryptographic related :-). 38 1.1.6.2 jdolecek * 4. If you include any Windows specific code (or a derivative thereof) from 39 1.1.6.2 jdolecek * the apps directory (application code) you must include an acknowledgement: 40 1.1.6.2 jdolecek * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 41 1.1.6.2 jdolecek * 42 1.1.6.2 jdolecek * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 43 1.1.6.2 jdolecek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 44 1.1.6.2 jdolecek * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 45 1.1.6.2 jdolecek * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 46 1.1.6.2 jdolecek * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 47 1.1.6.2 jdolecek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 48 1.1.6.2 jdolecek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 49 1.1.6.2 jdolecek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 50 1.1.6.2 jdolecek * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 51 1.1.6.2 jdolecek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 1.1.6.2 jdolecek * SUCH DAMAGE. 53 1.1.6.2 jdolecek * 54 1.1.6.2 jdolecek * The licence and distribution terms for any publically available version or 55 1.1.6.2 jdolecek * derivative of this code cannot be changed. i.e. this code cannot simply be 56 1.1.6.2 jdolecek * copied and put under another distribution licence 57 1.1.6.2 jdolecek * [including the GNU Public Licence.] 58 1.1.6.2 jdolecek */ 59 1.1.6.2 jdolecek 60 1.1.6.2 jdolecek /* 61 1.1.6.2 jdolecek * Modified from the output of `perl bf-686.pl elf' by 62 1.1.6.2 jdolecek * Thor Lancelot Simon <tls (at) netbsd.org> 63 1.1.6.2 jdolecek */ 64 1.1.6.2 jdolecek 65 1.1.6.2 jdolecek #include <i386/include/asm.h> 66 1.1.6.2 jdolecek 67 1.1.6.2 jdolecek ENTRY(BF_cbc_encrypt) 68 1.1.6.2 jdolecek 69 1.1.6.2 jdolecek pushl %ebp 70 1.1.6.2 jdolecek pushl %ebx 71 1.1.6.2 jdolecek pushl %esi 72 1.1.6.2 jdolecek pushl %edi 73 1.1.6.2 jdolecek movl 28(%esp), %ebp 74 1.1.6.2 jdolecek # getting iv ptr from parameter 4 75 1.1.6.2 jdolecek movl 36(%esp), %ebx 76 1.1.6.2 jdolecek movl (%ebx), %esi 77 1.1.6.2 jdolecek movl 4(%ebx), %edi 78 1.1.6.2 jdolecek pushl %edi 79 1.1.6.2 jdolecek pushl %esi 80 1.1.6.2 jdolecek pushl %edi 81 1.1.6.2 jdolecek pushl %esi 82 1.1.6.2 jdolecek movl %esp, %ebx 83 1.1.6.2 jdolecek movl 36(%esp), %esi 84 1.1.6.2 jdolecek movl 40(%esp), %edi 85 1.1.6.2 jdolecek # getting encrypt flag from parameter 5 86 1.1.6.2 jdolecek movl 56(%esp), %ecx 87 1.1.6.2 jdolecek # get and push parameter 3 88 1.1.6.2 jdolecek movl 48(%esp), %eax 89 1.1.6.2 jdolecek pushl %eax 90 1.1.6.2 jdolecek pushl %ebx 91 1.1.6.2 jdolecek cmpl $0, %ecx 92 1.1.6.2 jdolecek jz .L000decrypt 93 1.1.6.2 jdolecek andl $4294967288, %ebp 94 1.1.6.2 jdolecek movl 8(%esp), %eax 95 1.1.6.2 jdolecek movl 12(%esp), %ebx 96 1.1.6.2 jdolecek jz .L001encrypt_finish 97 1.1.6.2 jdolecek .L002encrypt_loop: 98 1.1.6.2 jdolecek movl (%esi), %ecx 99 1.1.6.2 jdolecek movl 4(%esi), %edx 100 1.1.6.2 jdolecek xorl %ecx, %eax 101 1.1.6.2 jdolecek xorl %edx, %ebx 102 1.1.6.2 jdolecek .byte 15 103 1.1.6.2 jdolecek .byte 200 # bswapl %eax 104 1.1.6.2 jdolecek .byte 15 105 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 106 1.1.6.2 jdolecek movl %eax, 8(%esp) 107 1.1.6.2 jdolecek movl %ebx, 12(%esp) 108 1.1.6.2 jdolecek call _C_LABEL(BF_encrypt) 109 1.1.6.2 jdolecek movl 8(%esp), %eax 110 1.1.6.2 jdolecek movl 12(%esp), %ebx 111 1.1.6.2 jdolecek .byte 15 112 1.1.6.2 jdolecek .byte 200 # bswapl %eax 113 1.1.6.2 jdolecek .byte 15 114 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 115 1.1.6.2 jdolecek movl %eax, (%edi) 116 1.1.6.2 jdolecek movl %ebx, 4(%edi) 117 1.1.6.2 jdolecek addl $8, %esi 118 1.1.6.2 jdolecek addl $8, %edi 119 1.1.6.2 jdolecek subl $8, %ebp 120 1.1.6.2 jdolecek jnz .L002encrypt_loop 121 1.1.6.2 jdolecek .L001encrypt_finish: 122 1.1.6.2 jdolecek movl 52(%esp), %ebp 123 1.1.6.2 jdolecek andl $7, %ebp 124 1.1.6.2 jdolecek jz .L003finish 125 1.1.6.2 jdolecek xorl %ecx, %ecx 126 1.1.6.2 jdolecek xorl %edx, %edx 127 1.1.6.2 jdolecek movl .L004cbc_enc_jmp_table(,%ebp,4),%ebp 128 1.1.6.2 jdolecek jmp *%ebp 129 1.1.6.2 jdolecek .L005ej7: 130 1.1.6.2 jdolecek movb 6(%esi), %dh 131 1.1.6.2 jdolecek sall $8, %edx 132 1.1.6.2 jdolecek .L006ej6: 133 1.1.6.2 jdolecek movb 5(%esi), %dh 134 1.1.6.2 jdolecek .L007ej5: 135 1.1.6.2 jdolecek movb 4(%esi), %dl 136 1.1.6.2 jdolecek .L008ej4: 137 1.1.6.2 jdolecek movl (%esi), %ecx 138 1.1.6.2 jdolecek jmp .L009ejend 139 1.1.6.2 jdolecek .L010ej3: 140 1.1.6.2 jdolecek movb 2(%esi), %ch 141 1.1.6.2 jdolecek sall $8, %ecx 142 1.1.6.2 jdolecek .L011ej2: 143 1.1.6.2 jdolecek movb 1(%esi), %ch 144 1.1.6.2 jdolecek .L012ej1: 145 1.1.6.2 jdolecek movb (%esi), %cl 146 1.1.6.2 jdolecek .L009ejend: 147 1.1.6.2 jdolecek xorl %ecx, %eax 148 1.1.6.2 jdolecek xorl %edx, %ebx 149 1.1.6.2 jdolecek .byte 15 150 1.1.6.2 jdolecek .byte 200 # bswapl %eax 151 1.1.6.2 jdolecek .byte 15 152 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 153 1.1.6.2 jdolecek movl %eax, 8(%esp) 154 1.1.6.2 jdolecek movl %ebx, 12(%esp) 155 1.1.6.2 jdolecek call _C_LABEL(BF_encrypt) 156 1.1.6.2 jdolecek movl 8(%esp), %eax 157 1.1.6.2 jdolecek movl 12(%esp), %ebx 158 1.1.6.2 jdolecek .byte 15 159 1.1.6.2 jdolecek .byte 200 # bswapl %eax 160 1.1.6.2 jdolecek .byte 15 161 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 162 1.1.6.2 jdolecek movl %eax, (%edi) 163 1.1.6.2 jdolecek movl %ebx, 4(%edi) 164 1.1.6.2 jdolecek jmp .L003finish 165 1.1.6.2 jdolecek .align 16 166 1.1.6.2 jdolecek .L000decrypt: 167 1.1.6.2 jdolecek andl $4294967288, %ebp 168 1.1.6.2 jdolecek movl 16(%esp), %eax 169 1.1.6.2 jdolecek movl 20(%esp), %ebx 170 1.1.6.2 jdolecek jz .L013decrypt_finish 171 1.1.6.2 jdolecek .L014decrypt_loop: 172 1.1.6.2 jdolecek movl (%esi), %eax 173 1.1.6.2 jdolecek movl 4(%esi), %ebx 174 1.1.6.2 jdolecek .byte 15 175 1.1.6.2 jdolecek .byte 200 # bswapl %eax 176 1.1.6.2 jdolecek .byte 15 177 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 178 1.1.6.2 jdolecek movl %eax, 8(%esp) 179 1.1.6.2 jdolecek movl %ebx, 12(%esp) 180 1.1.6.2 jdolecek call _C_LABEL(BF_decrypt) 181 1.1.6.2 jdolecek movl 8(%esp), %eax 182 1.1.6.2 jdolecek movl 12(%esp), %ebx 183 1.1.6.2 jdolecek .byte 15 184 1.1.6.2 jdolecek .byte 200 # bswapl %eax 185 1.1.6.2 jdolecek .byte 15 186 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 187 1.1.6.2 jdolecek movl 16(%esp), %ecx 188 1.1.6.2 jdolecek movl 20(%esp), %edx 189 1.1.6.2 jdolecek xorl %eax, %ecx 190 1.1.6.2 jdolecek xorl %ebx, %edx 191 1.1.6.2 jdolecek movl (%esi), %eax 192 1.1.6.2 jdolecek movl 4(%esi), %ebx 193 1.1.6.2 jdolecek movl %ecx, (%edi) 194 1.1.6.2 jdolecek movl %edx, 4(%edi) 195 1.1.6.2 jdolecek movl %eax, 16(%esp) 196 1.1.6.2 jdolecek movl %ebx, 20(%esp) 197 1.1.6.2 jdolecek addl $8, %esi 198 1.1.6.2 jdolecek addl $8, %edi 199 1.1.6.2 jdolecek subl $8, %ebp 200 1.1.6.2 jdolecek jnz .L014decrypt_loop 201 1.1.6.2 jdolecek .L013decrypt_finish: 202 1.1.6.2 jdolecek movl 52(%esp), %ebp 203 1.1.6.2 jdolecek andl $7, %ebp 204 1.1.6.2 jdolecek jz .L003finish 205 1.1.6.2 jdolecek movl (%esi), %eax 206 1.1.6.2 jdolecek movl 4(%esi), %ebx 207 1.1.6.2 jdolecek .byte 15 208 1.1.6.2 jdolecek .byte 200 # bswapl %eax 209 1.1.6.2 jdolecek .byte 15 210 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 211 1.1.6.2 jdolecek movl %eax, 8(%esp) 212 1.1.6.2 jdolecek movl %ebx, 12(%esp) 213 1.1.6.2 jdolecek call _C_LABEL(BF_decrypt) 214 1.1.6.2 jdolecek movl 8(%esp), %eax 215 1.1.6.2 jdolecek movl 12(%esp), %ebx 216 1.1.6.2 jdolecek .byte 15 217 1.1.6.2 jdolecek .byte 200 # bswapl %eax 218 1.1.6.2 jdolecek .byte 15 219 1.1.6.2 jdolecek .byte 203 # bswapl %ebx 220 1.1.6.2 jdolecek movl 16(%esp), %ecx 221 1.1.6.2 jdolecek movl 20(%esp), %edx 222 1.1.6.2 jdolecek xorl %eax, %ecx 223 1.1.6.2 jdolecek xorl %ebx, %edx 224 1.1.6.2 jdolecek movl (%esi), %eax 225 1.1.6.2 jdolecek movl 4(%esi), %ebx 226 1.1.6.2 jdolecek .L015dj7: 227 1.1.6.2 jdolecek rorl $16, %edx 228 1.1.6.2 jdolecek movb %dl, 6(%edi) 229 1.1.6.2 jdolecek shrl $16, %edx 230 1.1.6.2 jdolecek .L016dj6: 231 1.1.6.2 jdolecek movb %dh, 5(%edi) 232 1.1.6.2 jdolecek .L017dj5: 233 1.1.6.2 jdolecek movb %dl, 4(%edi) 234 1.1.6.2 jdolecek .L018dj4: 235 1.1.6.2 jdolecek movl %ecx, (%edi) 236 1.1.6.2 jdolecek jmp .L019djend 237 1.1.6.2 jdolecek .L020dj3: 238 1.1.6.2 jdolecek rorl $16, %ecx 239 1.1.6.2 jdolecek movb %cl, 2(%edi) 240 1.1.6.2 jdolecek sall $16, %ecx 241 1.1.6.2 jdolecek .L021dj2: 242 1.1.6.2 jdolecek movb %ch, 1(%esi) 243 1.1.6.2 jdolecek .L022dj1: 244 1.1.6.2 jdolecek movb %cl, (%esi) 245 1.1.6.2 jdolecek .L019djend: 246 1.1.6.2 jdolecek jmp .L003finish 247 1.1.6.2 jdolecek .align 16 248 1.1.6.2 jdolecek .L003finish: 249 1.1.6.2 jdolecek movl 60(%esp), %ecx 250 1.1.6.2 jdolecek addl $24, %esp 251 1.1.6.2 jdolecek movl %eax, (%ecx) 252 1.1.6.2 jdolecek movl %ebx, 4(%ecx) 253 1.1.6.2 jdolecek popl %edi 254 1.1.6.2 jdolecek popl %esi 255 1.1.6.2 jdolecek popl %ebx 256 1.1.6.2 jdolecek popl %ebp 257 1.1.6.2 jdolecek ret 258 1.1.6.2 jdolecek .align 16 259 1.1.6.2 jdolecek .L004cbc_enc_jmp_table: 260 1.1.6.2 jdolecek .long 0 261 1.1.6.2 jdolecek .long .L012ej1 262 1.1.6.2 jdolecek .long .L011ej2 263 1.1.6.2 jdolecek .long .L010ej3 264 1.1.6.2 jdolecek .long .L008ej4 265 1.1.6.2 jdolecek .long .L007ej5 266 1.1.6.2 jdolecek .long .L006ej6 267 1.1.6.2 jdolecek .long .L005ej7 268 1.1.6.2 jdolecek .align 16 269 1.1.6.2 jdolecek .L023cbc_dec_jmp_table: 270 1.1.6.2 jdolecek .long 0 271 1.1.6.2 jdolecek .long .L022dj1 272 1.1.6.2 jdolecek .long .L021dj2 273 1.1.6.2 jdolecek .long .L020dj3 274 1.1.6.2 jdolecek .long .L018dj4 275 1.1.6.2 jdolecek .long .L017dj5 276 1.1.6.2 jdolecek .long .L016dj6 277 1.1.6.2 jdolecek .long .L015dj7 278 1.1.6.2 jdolecek .L_BF_cbc_encrypt_end: 279 1.1.6.2 jdolecek .size _C_LABEL(BF_cbc_encrypt),.L_BF_cbc_encrypt_end-_C_LABEL(BF_cbc_encrypt) 280
Indexes created Sat Nov 01 05:10:12 GMT 2025