8. Public Certificate
PKCS#12 Format File(.p12)
Certificate + Private Key
Using when Import / Export
Public Certificate
(.der / .pem)
DER / PEM
DER : Binary formed cert.
PEM : Base64 encoded cert.
Private Key
Keep it Secret!!
16. Improved Signing Procedure
Hash data
⬇
Encrypt hashed data
(Signature)
⬇
Attach Certificate
with Signature & Data
⬇
Send via network
(D-Signed data)
”Digital Signature diagram" by Acdx
17. Improved Signing Procedure
”Digital Signature diagram" by Acdx
Receive D-Signed data
⬇
Detach Data & Signature
⬇
Check Certificate via CA
⬇
Compare Hashed Data
and Decrypted Data
⬇
Verify