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

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 uØĤ {¶!zùb-PÂy'[Gf«ÈUgX0u%;´kg
...
...
...
PuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTY
user2@guadalupe/]PuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTY ksh:
PuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTY
: not found.