def get_public_key_from_certificate(certificate: Certificate) -> PublicKey:
"""Get public keys from certificate.
:param certificate: certificate item
:return: RSA public key
"""
public_key = certificate.public_key()
assert isinstance(public_key, _PublicKeyTuple)
return public_key
def get_public_key_from_certificate(certificate: Certificate) -> RSAPublicKey:
"""Get public keys from certificate.
:param certificate: certificate item
:return: RSA public key
"""
public_key = certificate.public_key()
assert isinstance(public_key,
RSAPublicKey), "Currently only RSA is supported"
return public_key
def convert_certificate_into_bytes(certificate: Certificate,
encoding: Encoding = Encoding.PEM) -> bytes:
"""Convert certificates into bytes.
:param certificate: certificate item
:param encoding: encoding type
:return: certificate in bytes form
"""
assert isinstance(certificate,
Certificate), "The input is not a Certificate"
return certificate.public_bytes(encoding)