Which standard is used for digital certificates in a public key infrastructure?
2025
Which standard is used for digital certificates in a public key infrastructure?
- A.
SHA-256
- B.
X.509
- C.
TLS 1.2
- D.
RSA
- E.
AES
Attempted by 59 students.
Show answer & explanation
Correct answer: B
Correct answer: X.509.
X.509 is the standard format for public key certificates used in PKI. It defines certificate fields such as subject, issuer, public key, validity period, and signature.