开发学院操作系统 Linux/Unix AIX 6 加密文件系统（Encrypted File System），第... 阅读

AIX 6 加密文件系统（Encrypted File System），第 6 部分：备份与恢复

　2008-09-06 08:19:58　来源：WEB开发网　闂傚倷绶氬ḿ褍螞閹绢喖绠柨鐕傛嫹

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核心提示： user1@guadalupe/]iduid=205(user1) gid=1(staff) groups=202(group1)user1@guadalupe/]ls -alUtotal 48drwxrwxrwxe 3 root system 4096 May 07 20:52 .drw

user1@guadalupe/]id uid=205(user1) gid=1(staff) groups=202(group1) user1@guadalupe/]ls -alU total 48 drwxrwxrwxe 3 root system 4096 May 07 20:52 . drwxr-xr-x- 20 root system 4096 May 04 15:46 .. -rw-r--r--e 1 user1 staff 15 May 07 19:35 file_encrypted -rw-r--r--- 1 user1 staff 11 May 07 19:36 file_in_clear drwxr-xr-x- 2 root system 256 May 03 15:46 lost+found user1@guadalupe/]cat file_encrypted encrypted text user1@guadalupe/]cat file_in_clear cleartext user1@guadalupe/]efskeymgr -c ksh user1@guadalupe/]ls file*|backup -ivZf /tmp/tmp_archive Mount volume 1 on /tmp/tmp_archive. Press Enter to continue. Backing up to /tmp/tmp_archive. Cluster 51200 bytes (100 blocks). Volume 1 on /tmp/tmp_archive backup:0511-449 An error occurred accessing file_encrypted: Cannot find the requested security attribute. a　　　　　　　 11 file_in_clear The total size is 11 bytes. Backup finished on Mon May 7 21:04:49 CDT 2007; there are 100 blocks on 1 volumes. user1@guadalupe/]cat /tmp/tmp_archive kêäÀÚ?FÀÚ?Fÿÿby nameby namerootd kêtõ ¤Í RÚ?FÆ?FÆ?F file_in_clearlc¤clear text kê user1@guadalupe/]ls file*|backup -ivZf /efs/efs_archive Mount volume 1 on /efs/efs_archive. Press Enter to continue. backup:0511-089 Cannot open /efs/efs_archive:Cannot find the requested security attribute Mount volume 1 on /efs/efs_archive. user1@guadalupe/]efskeymgr -o ksh user1's EFS password: user1@guadalupe/]ls file*|backup -ivZf /efs/efs_archive Mount volume 1 on /efs/efs_archive. Press Enter to continue. Backing up to /efs/efs_archive. Cluster 51200 bytes (100 blocks). Volume 1 on /efs/efs_archive a　　　　　　　　 4096 file_encrypted a　　　　　　　　　 11 file_in_clear The total size is 4107 bytes. Backup finished on Mon May 7 21:18:45 CDT 2007; there are 100 blocks on 1 volumes. user1@guadalupe/]efsmgr -l efs_archive EFS File information: Algorithm:AES_128_CBC List of keys that can open the file: Key #1: Algorithm :RSA_1024 Who :uid 205 Key fingerprint :92441557:db77320c:daa7e5d4:cf2877ce:30c60454 user1@guadalupe/]ls file*|backup -ivZf /tmp/tmp_archive Mount volume 1 on /tmp/tmp_archive. Press Enter to continue. Backing up to /tmp/tmp_archive. Cluster 51200 bytes (100 blocks). Volume 1 on /tmp/tmp_archive a 4096 file_encrypted a 11 file_in_clear The total size is 4107 bytes. Backup finished on Mon May 7 21:23:04 CDT 2007; there are 100 blocks on 1 volumes. user1@guadalupe/]echo $? 0 user2@guadalupe/]id uid=204(user2) gid=1(staff) groups=202(group1) user2@guadalupe/]cat efs_archive cat:0652-050 Cannot open efs_archive. user2@guadalupe/]cat tmp_archive kêýß?Fß?Fÿÿby nameby namerootd kêªÑ¤HÍàÞ?FØÅ?FØÅ?F file_encrypted×èÁμE "¥î¾,¡ÐJób)½ÌÔà uØÄ¤ {¶!zùb-PÂy'[Gf«ÈUgX0u%;´kg ... ... ... PuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTY user2@guadalupe/]PuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTY ksh: PuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTY : not found.