None
A public key certificate that contains a public key intended for verifying digital signatures rather than authenticating, encrypting data or performing any other cryptographic functions.
Source(s):
CNSSI 4009-2015
CNSSI 1300, NIST SP 800-32
A public key certificate that contains a public key intended for verifying digital signatures rather than encrypting data or performing any other cryptographic functions.
Source(s):
NIST SP 800-32
under Signature Certificate