file system
DESCRIPTION
User Process. o pen()/ close(). Operating System. SELinux. Reference Monitor. History Recording. Encryption Layer. Read/Write encrypted xattr. getxattr () s etxattr (). File System. inotify. Auditd. Signal. Log File. Parser. User Process. Parse log. write_attr () read_attr (). - PowerPoint PPT PresentationTRANSCRIPT
File System
Encryption Layergetxattr()
setxattr()
User Process
open()/close()
Operating
System
SELinux
History Recording
File System
Auditd
Parser
Encryption Layer
Log File
write_attr()read_attr()
getxattr()
setxattr()
User Process
trust_file()
Daemon
inotify
Signal
Signature
Parity(Values)
Token=E(K, Parity)
Path Value Token=HMAC(K, Value)
Name Value Token=HMAC(K, Name|Value)
… … …
Name Value Token=HMAC(K, Name|Value)
A
B C
D