Revisi per 13 Februari 2009 14.53 sunting JAnDbot (bicara \| kontrib) 55.253 suntingan k bot Mengubah: nl:Public key infrastructure ← Revisi sebelumnya		Revisi per 11 Agustus 2009 02.31 sunting balikkan 125.161.99.30 (bicara) →Lihat pula Revisi selanjutnya →
Baris 15: PKI telah diimplementasikan dengan berbagai aplikasi seperti S/MIME, HTTPS, VPN, dll. Anda dapat melihat fitur S/MIME pada software email yang terkenal seperti Outlook Express, Mozilla Mail/Thunderbird, dan Evolution. [dokter@localhost fedora]$ gcc -o vul vul.c ~~== Lihat pula ==~~ dan sekarang mari kita buat sesuatu untuk sebuah test yang sempurna *[[Kunci (kriptografi)]] [dokter@localhost fedora]$ su ~~{{kriptografi-stub}}~~ Password: [root@localhost fedora]# chgrp root vul ~~[[Kategori:Kriptografi]]~~ [root@localhost fedora]# chown root vul [root@localhost fedora]# chmod 4755 vul ~~[[ar:البنية الأساسية للمفتاح العام]]~~ [root@localhost fedora]# ls -l vul ~~[[cs:PKI]]~~ -rwsr-xr-x 1 root root 4733 11?12 23:11 vul ~~[[de:Public-Key-Infrastruktur]]~~ [root@localhost fedora]# su dokter ~~[[en:Public key infrastructure]]~~ [dokter@localhost fedora]$ ~~[[es:Infraestructura de clave pública]]~~ nah sekarang kamu siap menyerang program vulnerability.... ~~[[eu:PKI]]~~ dan langkah pertama yang harus kamu jalanin adalah mencari alamat dari ~~[[fa:زیرساخت کلید عمومی]]~~ <execl+3> dengan menggunakan GDB ~~[[fi:PKI]]~~ gdb apaan tuh ? pasti kamu bertanya.... jawaban nya ... use your imajination ~~[[fr:Infrastructure à clés publiques]]~~ hehehehehe ~~[[it:Infrastruttura a chiave pubblica]]~~ [dokter@localhost fedora]$ gdb vul ~~[[ja:公開鍵基盤]]~~ 40 ~~[[ko:공개 키 기반 구조]]~~ GNU gdb Red Hat Linux (6.0post-0.20040223.19rh) ~~[[nl:Public key infrastructure]]~~ Copyright 2004 Free Software Foundation, Inc. ~~[[no:Public Key Infrastructure]]~~ GDB is free software, covered by the GNU General Public License, and you are ~~[[pl:PKI]]~~ welcome to change it and/or distribute copies of it under certain conditions. ~~[[pt:ICP]]~~ Type "show copying" to see the conditions. ~~[[ru:Инфраструктура открытых ключей]]~~ There is absolutely no warranty for GDB. Type "show warranty" for details. ~~[[sv:PKI]]~~ This GDB was configured as "i386-redhat-linux-gnu"...(no debugging symbols found)...Using ~~[[uk:Інфраструктура відкритих ключів]]~~ host libthread_db library "/lib/tls/libthread_db.so.1". ~~[[vi:Hạ tầng khóa công khai]]~~ (gdb) b main ~~[[zh:公開金鑰基礎建設]]~~ Breakpoint 1 at 0x8048379 (gdb) r Starting program: /home/dokter/fedora/vul Error while mapping shared library sections: : ? 깃났. Error while reading shared library symbols: : 洹몃?漿佾應좏좊━媛壹. (no debugging symbols found)...(no debugging symbols found)...Error while reading shared library symbols: : 洹몃?漿佾應좏좊━媛壹. Error while reading shared library symbols: : 洹몃?漿佾應좏좊━媛壹. Breakpoint 1, 0x08048379 in main () (gdb) disas execl Dump of assembler code for function execl: 0x005fea00 <execl+0>: push %ebp 0x005fea01 <execl+1>: mov %esp,%ebp 0x005fea03 <execl+3>: lea 0x10(%ebp),%eax 0x005fea06 <execl+6>: push %edi 0x005fea07 <execl+7>: push %esi 0x005fea08 <execl+8>: push %ebx 0x005fea09 <execl+9>: sub $0x1030,%esp 0x005fea0f <execl+15>: mov 0xc(%ebp),%ecx 0x005fea12 <execl+18>: movl $0x400,0xfffffff0(%ebp) 0x005fea19 <execl+25>: lea 0x1b(%esp),%esi 0x005fea1d <execl+29>: and $0xfffffff0,%esi 0x005fea20 <execl+32>: call 0x58c90d <__i686.get_pc_thunk.bx> 0x005fea25 <execl+37>: add $0x905d7,%ebx 0x005fea2b <execl+43>: mov %ecx,(%esi) 0x005fea2d <execl+45>: test %ecx,%ecx 0x005fea2f <execl+47>: mov %eax,0xffffffe8(%ebp) 0x005fea32 <execl+50>: movl $0x1,0xffffffec(%ebp) 0x005fea39 <execl+57>: je 0x5fea73 <execl+115> 0x005fea3b <execl+59>: movl $0x1a,0xffffffe0(%ebp) 0x005fea42 <execl+66>: lea 0x0(%esi),%esi 0x005fea49 <execl+73>: lea 0x0(%edi),%edi 0x005fea50 <execl+80>: mov 0xfffffff0(%ebp),%edx 0x005fea53 <execl+83>: cmp %edx,0xffffffec(%ebp) 0x005fea56 <execl+86>: je 0x5fea96 <execl+150> 0x005fea58 <execl+88>: addl $0x8,0xffffffe0(%ebp) 0x005fea5c <execl+92>: mov 0xffffffe8(%ebp),%edx 0x005fea5f <execl+95>: mov 0xffffffec(%ebp),%edi 0x005fea62 <execl+98>: addl $0x4,0xffffffe8(%ebp) 0x005fea66 <execl+102>: mov (%edx),%ecx 0x005fea68 <execl+104>: mov %ecx,(%esi,%edi,4) 0x005fea6b <execl+107>: inc %edi 0x005fea6c <execl+108>: test %ecx,%ecx 0x005fea6e <execl+110>: mov %edi,0xffffffec(%ebp) 0x005fea71 <execl+113>: jne 0x5fea50 <execl+80> 0x005fea73 <execl+115>: mov 0xfffffee0(%ebx),%edi 0x005fea79 <execl+121>: mov (%edi),%ecx 0x005fea7b <execl+123>: mov %esi,0x4(%esp) 0x005fea7f <execl+127>: mov 0x8(%ebp),%esi 0x005fea82 <execl+130>: mov %ecx,0x8(%esp) 0x005fea86 <execl+134>: mov %esi,(%esp) 0x005fea89 <execl+137>: call 0x5fe7a0 <execve> 0x005fea8e <execl+142>: lea 0xfffffff4(%ebp),%esp 0x005fea91 <execl+145>: pop %ebx 0x005fea92 <execl+146>: pop %esi 41 0x005fea93 <execl+147>: pop %edi 0x005fea94 <execl+148>: pop %ebp 0x005fea95 <execl+149>: ret 0x005fea96 <execl+150>: mov 0xffffffec(%ebp),%edx 0x005fea99 <execl+153>: mov 0xffffffe0(%ebp),%ecx 0x005fea9c <execl+156>: add %edx,%edx 0x005fea9e <execl+158>: mov %edx,0xffffffe4(%ebp) 0x005feaa1 <execl+161>: and $0xfffffffc,%ecx 0x005feaa4 <execl+164>: sub %ecx,%esp 0x005feaa6 <execl+166>: mov %edx,0xfffffff0(%ebp) 0x005feaa9 <execl+169>: mov 0xffffffe4(%ebp),%eax 0x005feaac <execl+172>: lea 0x1b(%esp),%edx 0x005feab0 <execl+176>: and $0xfffffff0,%edx 0x005feab3 <execl+179>: lea (%eax,%edx,1),%edi 0x005feab6 <execl+182>: cmp %esi,%edi 0x005feab8 <execl+184>: je 0x5feacc <execl+204> 0x005feaba <execl+186>: cld 0x005feabb <execl+187>: mov 0xffffffec(%ebp),%ecx 0x005feabe <execl+190>: mov %edx,%edi 0x005feac0 <execl+192>: shl $0x2,%ecx 0x005feac3 <execl+195>: shr $0x2,%ecx 0x005feac6 <execl+198>: repz movsl %ds:(%esi),%es:(%edi) 0x005feac8 <execl+200>: mov %edx,%esi 0x005feaca <execl+202>: jmp 0x5fea58 <execl+88> 0x005feacc <execl+204>: cld 0x005feacd <execl+205>: mov 0xffffffec(%ebp),%ecx 0x005fead0 <execl+208>: mov %edx,%edi 0x005fead2 <execl+210>: shl $0x2,%ecx 0x005fead5 <execl+213>: shr $0x2,%ecx 0x005fead8 <execl+216>: repz movsl %ds:(%esi),%es:(%edi) 0x005feada <execl+218>: mov %edx,%esi 0x005feadc <execl+220>: mov 0xffffffe4(%ebp),%edi 0x005feadf <execl+223>: mov 0xffffffec(%ebp),%eax 0x005feae2 <execl+226>: add %eax,%edi 0x005feae4 <execl+228>: mov %edi,0xfffffff0(%ebp) 0x005feae7 <execl+231>: jmp 0x5fea58 <execl+88> 0x005feaec <execl+236>: nop 0x005feaed <execl+237>: nop 0x005feaee <execl+238>: nop 0x005feaef <execl+239>: nop End of assembler dump.

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