How is the content downloaded via LU secure?
The Live update TRI files are downloaded in an archive format
These minitri’s and livetri.zip files consists of 3 files
GRD and SIG files are used to verify security and integrity of patches
The Mini-tri Zip is Validated by GRD file and also Authenticated by SIG file
The Guard file use SHA-1 hash values
For Live update the protocols that are used is HTTP/FTP server. These live update is hosted by Akamai.
Published using Java Triage and they are Signed by Symantec Digital Signing Servers.