Samsung CERT File Edit or Generate as per Our IMEI

When we Open A Samsung Phone CERT File in Notepad - We can See The Text Below

its Some Encrypted Code - And Some Hashes

Can We Decrypt it ?

or can We Create Our Own CERT Files by using Any Generator or AT Commands ...?

Can Anyone Tell me Which Type Of Encryption Used in CERT Files ?

Code:

;BST Samsung CERT file
;Please do not edit this file
[Cert]
Model=SM-A500F
IMEI=356317062038144
SerNo=00000000000
KeyID=0756
ImeiSign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
PubKey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
PubKeySign=605375548051AF380FB9086F0949C553F07DCE4E8627BCF8B4D352EAD6E6B70DBD9637640E0E487738