bf_cbc.S revision 1.1.2.2
1 1.1.2.2 fvdl /* $NetBSD: bf_cbc.S,v 1.1.2.2 2001/10/01 12:44:02 fvdl Exp $ */ 2 1.1.2.2 fvdl 3 1.1.2.2 fvdl /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 4 1.1.2.2 fvdl * All rights reserved. 5 1.1.2.2 fvdl * 6 1.1.2.2 fvdl * This package is an SSL implementation written 7 1.1.2.2 fvdl * by Eric Young (eay (at) cryptsoft.com). 8 1.1.2.2 fvdl * The implementation was written so as to conform with Netscapes SSL. 9 1.1.2.2 fvdl * 10 1.1.2.2 fvdl * This library is free for commercial and non-commercial use as long as 11 1.1.2.2 fvdl * the following conditions are aheared to. The following conditions 12 1.1.2.2 fvdl * apply to all code found in this distribution, be it the RC4, RSA, 13 1.1.2.2 fvdl * lhash, DES, etc., code; not just the SSL code. The SSL documentation 14 1.1.2.2 fvdl * included with this distribution is covered by the same copyright terms 15 1.1.2.2 fvdl * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 16 1.1.2.2 fvdl * 17 1.1.2.2 fvdl * Copyright remains Eric Young's, and as such any Copyright notices in 18 1.1.2.2 fvdl * the code are not to be removed. 19 1.1.2.2 fvdl * If this package is used in a product, Eric Young should be given attribution 20 1.1.2.2 fvdl * as the author of the parts of the library used. 21 1.1.2.2 fvdl * This can be in the form of a textual message at program startup or 22 1.1.2.2 fvdl * in documentation (online or textual) provided with the package. 23 1.1.2.2 fvdl * 24 1.1.2.2 fvdl * Redistribution and use in source and binary forms, with or without 25 1.1.2.2 fvdl * modification, are permitted provided that the following conditions 26 1.1.2.2 fvdl * are met: 27 1.1.2.2 fvdl * 1. Redistributions of source code must retain the copyright 28 1.1.2.2 fvdl * notice, this list of conditions and the following disclaimer. 29 1.1.2.2 fvdl * 2. Redistributions in binary form must reproduce the above copyright 30 1.1.2.2 fvdl * notice, this list of conditions and the following disclaimer in the 31 1.1.2.2 fvdl * documentation and/or other materials provided with the distribution. 32 1.1.2.2 fvdl * 3. All advertising materials mentioning features or use of this software 33 1.1.2.2 fvdl * must display the following acknowledgement: 34 1.1.2.2 fvdl * "This product includes cryptographic software written by 35 1.1.2.2 fvdl * Eric Young (eay (at) cryptsoft.com)" 36 1.1.2.2 fvdl * The word 'cryptographic' can be left out if the rouines from the library 37 1.1.2.2 fvdl * being used are not cryptographic related :-). 38 1.1.2.2 fvdl * 4. If you include any Windows specific code (or a derivative thereof) from 39 1.1.2.2 fvdl * the apps directory (application code) you must include an acknowledgement: 40 1.1.2.2 fvdl * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 41 1.1.2.2 fvdl * 42 1.1.2.2 fvdl * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 43 1.1.2.2 fvdl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 44 1.1.2.2 fvdl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 45 1.1.2.2 fvdl * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 46 1.1.2.2 fvdl * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 47 1.1.2.2 fvdl * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 48 1.1.2.2 fvdl * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 49 1.1.2.2 fvdl * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 50 1.1.2.2 fvdl * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 51 1.1.2.2 fvdl * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 1.1.2.2 fvdl * SUCH DAMAGE. 53 1.1.2.2 fvdl * 54 1.1.2.2 fvdl * The licence and distribution terms for any publically available version or 55 1.1.2.2 fvdl * derivative of this code cannot be changed. i.e. this code cannot simply be 56 1.1.2.2 fvdl * copied and put under another distribution licence 57 1.1.2.2 fvdl * [including the GNU Public Licence.] 58 1.1.2.2 fvdl */ 59 1.1.2.2 fvdl 60 1.1.2.2 fvdl /* 61 1.1.2.2 fvdl * Modified from the output of `perl bf-686.pl elf' by 62 1.1.2.2 fvdl * Thor Lancelot Simon <tls (at) netbsd.org> 63 1.1.2.2 fvdl */ 64 1.1.2.2 fvdl 65 1.1.2.2 fvdl #include <i386/include/asm.h> 66 1.1.2.2 fvdl 67 1.1.2.2 fvdl ENTRY(BF_cbc_encrypt) 68 1.1.2.2 fvdl 69 1.1.2.2 fvdl pushl %ebp 70 1.1.2.2 fvdl pushl %ebx 71 1.1.2.2 fvdl pushl %esi 72 1.1.2.2 fvdl pushl %edi 73 1.1.2.2 fvdl movl 28(%esp), %ebp 74 1.1.2.2 fvdl # getting iv ptr from parameter 4 75 1.1.2.2 fvdl movl 36(%esp), %ebx 76 1.1.2.2 fvdl movl (%ebx), %esi 77 1.1.2.2 fvdl movl 4(%ebx), %edi 78 1.1.2.2 fvdl pushl %edi 79 1.1.2.2 fvdl pushl %esi 80 1.1.2.2 fvdl pushl %edi 81 1.1.2.2 fvdl pushl %esi 82 1.1.2.2 fvdl movl %esp, %ebx 83 1.1.2.2 fvdl movl 36(%esp), %esi 84 1.1.2.2 fvdl movl 40(%esp), %edi 85 1.1.2.2 fvdl # getting encrypt flag from parameter 5 86 1.1.2.2 fvdl movl 56(%esp), %ecx 87 1.1.2.2 fvdl # get and push parameter 3 88 1.1.2.2 fvdl movl 48(%esp), %eax 89 1.1.2.2 fvdl pushl %eax 90 1.1.2.2 fvdl pushl %ebx 91 1.1.2.2 fvdl cmpl $0, %ecx 92 1.1.2.2 fvdl jz .L000decrypt 93 1.1.2.2 fvdl andl $4294967288, %ebp 94 1.1.2.2 fvdl movl 8(%esp), %eax 95 1.1.2.2 fvdl movl 12(%esp), %ebx 96 1.1.2.2 fvdl jz .L001encrypt_finish 97 1.1.2.2 fvdl .L002encrypt_loop: 98 1.1.2.2 fvdl movl (%esi), %ecx 99 1.1.2.2 fvdl movl 4(%esi), %edx 100 1.1.2.2 fvdl xorl %ecx, %eax 101 1.1.2.2 fvdl xorl %edx, %ebx 102 1.1.2.2 fvdl .byte 15 103 1.1.2.2 fvdl .byte 200 # bswapl %eax 104 1.1.2.2 fvdl .byte 15 105 1.1.2.2 fvdl .byte 203 # bswapl %ebx 106 1.1.2.2 fvdl movl %eax, 8(%esp) 107 1.1.2.2 fvdl movl %ebx, 12(%esp) 108 1.1.2.2 fvdl call _C_LABEL(BF_encrypt) 109 1.1.2.2 fvdl movl 8(%esp), %eax 110 1.1.2.2 fvdl movl 12(%esp), %ebx 111 1.1.2.2 fvdl .byte 15 112 1.1.2.2 fvdl .byte 200 # bswapl %eax 113 1.1.2.2 fvdl .byte 15 114 1.1.2.2 fvdl .byte 203 # bswapl %ebx 115 1.1.2.2 fvdl movl %eax, (%edi) 116 1.1.2.2 fvdl movl %ebx, 4(%edi) 117 1.1.2.2 fvdl addl $8, %esi 118 1.1.2.2 fvdl addl $8, %edi 119 1.1.2.2 fvdl subl $8, %ebp 120 1.1.2.2 fvdl jnz .L002encrypt_loop 121 1.1.2.2 fvdl .L001encrypt_finish: 122 1.1.2.2 fvdl movl 52(%esp), %ebp 123 1.1.2.2 fvdl andl $7, %ebp 124 1.1.2.2 fvdl jz .L003finish 125 1.1.2.2 fvdl xorl %ecx, %ecx 126 1.1.2.2 fvdl xorl %edx, %edx 127 1.1.2.2 fvdl movl .L004cbc_enc_jmp_table(,%ebp,4),%ebp 128 1.1.2.2 fvdl jmp *%ebp 129 1.1.2.2 fvdl .L005ej7: 130 1.1.2.2 fvdl movb 6(%esi), %dh 131 1.1.2.2 fvdl sall $8, %edx 132 1.1.2.2 fvdl .L006ej6: 133 1.1.2.2 fvdl movb 5(%esi), %dh 134 1.1.2.2 fvdl .L007ej5: 135 1.1.2.2 fvdl movb 4(%esi), %dl 136 1.1.2.2 fvdl .L008ej4: 137 1.1.2.2 fvdl movl (%esi), %ecx 138 1.1.2.2 fvdl jmp .L009ejend 139 1.1.2.2 fvdl .L010ej3: 140 1.1.2.2 fvdl movb 2(%esi), %ch 141 1.1.2.2 fvdl sall $8, %ecx 142 1.1.2.2 fvdl .L011ej2: 143 1.1.2.2 fvdl movb 1(%esi), %ch 144 1.1.2.2 fvdl .L012ej1: 145 1.1.2.2 fvdl movb (%esi), %cl 146 1.1.2.2 fvdl .L009ejend: 147 1.1.2.2 fvdl xorl %ecx, %eax 148 1.1.2.2 fvdl xorl %edx, %ebx 149 1.1.2.2 fvdl .byte 15 150 1.1.2.2 fvdl .byte 200 # bswapl %eax 151 1.1.2.2 fvdl .byte 15 152 1.1.2.2 fvdl .byte 203 # bswapl %ebx 153 1.1.2.2 fvdl movl %eax, 8(%esp) 154 1.1.2.2 fvdl movl %ebx, 12(%esp) 155 1.1.2.2 fvdl call _C_LABEL(BF_encrypt) 156 1.1.2.2 fvdl movl 8(%esp), %eax 157 1.1.2.2 fvdl movl 12(%esp), %ebx 158 1.1.2.2 fvdl .byte 15 159 1.1.2.2 fvdl .byte 200 # bswapl %eax 160 1.1.2.2 fvdl .byte 15 161 1.1.2.2 fvdl .byte 203 # bswapl %ebx 162 1.1.2.2 fvdl movl %eax, (%edi) 163 1.1.2.2 fvdl movl %ebx, 4(%edi) 164 1.1.2.2 fvdl jmp .L003finish 165 1.1.2.2 fvdl .align 16 166 1.1.2.2 fvdl .L000decrypt: 167 1.1.2.2 fvdl andl $4294967288, %ebp 168 1.1.2.2 fvdl movl 16(%esp), %eax 169 1.1.2.2 fvdl movl 20(%esp), %ebx 170 1.1.2.2 fvdl jz .L013decrypt_finish 171 1.1.2.2 fvdl .L014decrypt_loop: 172 1.1.2.2 fvdl movl (%esi), %eax 173 1.1.2.2 fvdl movl 4(%esi), %ebx 174 1.1.2.2 fvdl .byte 15 175 1.1.2.2 fvdl .byte 200 # bswapl %eax 176 1.1.2.2 fvdl .byte 15 177 1.1.2.2 fvdl .byte 203 # bswapl %ebx 178 1.1.2.2 fvdl movl %eax, 8(%esp) 179 1.1.2.2 fvdl movl %ebx, 12(%esp) 180 1.1.2.2 fvdl call _C_LABEL(BF_decrypt) 181 1.1.2.2 fvdl movl 8(%esp), %eax 182 1.1.2.2 fvdl movl 12(%esp), %ebx 183 1.1.2.2 fvdl .byte 15 184 1.1.2.2 fvdl .byte 200 # bswapl %eax 185 1.1.2.2 fvdl .byte 15 186 1.1.2.2 fvdl .byte 203 # bswapl %ebx 187 1.1.2.2 fvdl movl 16(%esp), %ecx 188 1.1.2.2 fvdl movl 20(%esp), %edx 189 1.1.2.2 fvdl xorl %eax, %ecx 190 1.1.2.2 fvdl xorl %ebx, %edx 191 1.1.2.2 fvdl movl (%esi), %eax 192 1.1.2.2 fvdl movl 4(%esi), %ebx 193 1.1.2.2 fvdl movl %ecx, (%edi) 194 1.1.2.2 fvdl movl %edx, 4(%edi) 195 1.1.2.2 fvdl movl %eax, 16(%esp) 196 1.1.2.2 fvdl movl %ebx, 20(%esp) 197 1.1.2.2 fvdl addl $8, %esi 198 1.1.2.2 fvdl addl $8, %edi 199 1.1.2.2 fvdl subl $8, %ebp 200 1.1.2.2 fvdl jnz .L014decrypt_loop 201 1.1.2.2 fvdl .L013decrypt_finish: 202 1.1.2.2 fvdl movl 52(%esp), %ebp 203 1.1.2.2 fvdl andl $7, %ebp 204 1.1.2.2 fvdl jz .L003finish 205 1.1.2.2 fvdl movl (%esi), %eax 206 1.1.2.2 fvdl movl 4(%esi), %ebx 207 1.1.2.2 fvdl .byte 15 208 1.1.2.2 fvdl .byte 200 # bswapl %eax 209 1.1.2.2 fvdl .byte 15 210 1.1.2.2 fvdl .byte 203 # bswapl %ebx 211 1.1.2.2 fvdl movl %eax, 8(%esp) 212 1.1.2.2 fvdl movl %ebx, 12(%esp) 213 1.1.2.2 fvdl call _C_LABEL(BF_decrypt) 214 1.1.2.2 fvdl movl 8(%esp), %eax 215 1.1.2.2 fvdl movl 12(%esp), %ebx 216 1.1.2.2 fvdl .byte 15 217 1.1.2.2 fvdl .byte 200 # bswapl %eax 218 1.1.2.2 fvdl .byte 15 219 1.1.2.2 fvdl .byte 203 # bswapl %ebx 220 1.1.2.2 fvdl movl 16(%esp), %ecx 221 1.1.2.2 fvdl movl 20(%esp), %edx 222 1.1.2.2 fvdl xorl %eax, %ecx 223 1.1.2.2 fvdl xorl %ebx, %edx 224 1.1.2.2 fvdl movl (%esi), %eax 225 1.1.2.2 fvdl movl 4(%esi), %ebx 226 1.1.2.2 fvdl .L015dj7: 227 1.1.2.2 fvdl rorl $16, %edx 228 1.1.2.2 fvdl movb %dl, 6(%edi) 229 1.1.2.2 fvdl shrl $16, %edx 230 1.1.2.2 fvdl .L016dj6: 231 1.1.2.2 fvdl movb %dh, 5(%edi) 232 1.1.2.2 fvdl .L017dj5: 233 1.1.2.2 fvdl movb %dl, 4(%edi) 234 1.1.2.2 fvdl .L018dj4: 235 1.1.2.2 fvdl movl %ecx, (%edi) 236 1.1.2.2 fvdl jmp .L019djend 237 1.1.2.2 fvdl .L020dj3: 238 1.1.2.2 fvdl rorl $16, %ecx 239 1.1.2.2 fvdl movb %cl, 2(%edi) 240 1.1.2.2 fvdl sall $16, %ecx 241 1.1.2.2 fvdl .L021dj2: 242 1.1.2.2 fvdl movb %ch, 1(%esi) 243 1.1.2.2 fvdl .L022dj1: 244 1.1.2.2 fvdl movb %cl, (%esi) 245 1.1.2.2 fvdl .L019djend: 246 1.1.2.2 fvdl jmp .L003finish 247 1.1.2.2 fvdl .align 16 248 1.1.2.2 fvdl .L003finish: 249 1.1.2.2 fvdl movl 60(%esp), %ecx 250 1.1.2.2 fvdl addl $24, %esp 251 1.1.2.2 fvdl movl %eax, (%ecx) 252 1.1.2.2 fvdl movl %ebx, 4(%ecx) 253 1.1.2.2 fvdl popl %edi 254 1.1.2.2 fvdl popl %esi 255 1.1.2.2 fvdl popl %ebx 256 1.1.2.2 fvdl popl %ebp 257 1.1.2.2 fvdl ret 258 1.1.2.2 fvdl .align 16 259 1.1.2.2 fvdl .L004cbc_enc_jmp_table: 260 1.1.2.2 fvdl .long 0 261 1.1.2.2 fvdl .long .L012ej1 262 1.1.2.2 fvdl .long .L011ej2 263 1.1.2.2 fvdl .long .L010ej3 264 1.1.2.2 fvdl .long .L008ej4 265 1.1.2.2 fvdl .long .L007ej5 266 1.1.2.2 fvdl .long .L006ej6 267 1.1.2.2 fvdl .long .L005ej7 268 1.1.2.2 fvdl .align 16 269 1.1.2.2 fvdl .L023cbc_dec_jmp_table: 270 1.1.2.2 fvdl .long 0 271 1.1.2.2 fvdl .long .L022dj1 272 1.1.2.2 fvdl .long .L021dj2 273 1.1.2.2 fvdl .long .L020dj3 274 1.1.2.2 fvdl .long .L018dj4 275 1.1.2.2 fvdl .long .L017dj5 276 1.1.2.2 fvdl .long .L016dj6 277 1.1.2.2 fvdl .long .L015dj7 278 1.1.2.2 fvdl .L_BF_cbc_encrypt_end: 279 1.1.2.2 fvdl .size _C_LABEL(BF_cbc_encrypt),.L_BF_cbc_encrypt_end-_C_LABEL(BF_cbc_encrypt) 280
Indexes created Tue Oct 28 12:10:06 GMT 2025