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Diffstat (limited to 'docs/x509/reference.rst')
| -rw-r--r-- | docs/x509/reference.rst | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/docs/x509/reference.rst b/docs/x509/reference.rst index 67427ddb..1e8aebad 100644 --- a/docs/x509/reference.rst +++ b/docs/x509/reference.rst @@ -1568,6 +1568,32 @@ X.509 Extensions >>> x509.AuthorityKeyIdentifier.from_issuer_public_key(issuer_cert.public_key()) <AuthorityKeyIdentifier(key_identifier='X\x01\x84$\x1b\xbc+R\x94J=\xa5\x10r\x14Q\xf5\xaf:\xc9', authority_cert_issuer=None, authority_cert_serial_number=None)> + .. classmethod:: from_issuer_subject_key_identifier(ski) + + .. versionadded:: 1.3 + + Creates a new AuthorityKeyIdentifier instance using the + SubjectKeyIdentifier from the issuer certificate. The resulting object + will contain + :attr:`~cryptography.x509.AuthorityKeyIdentifier.key_identifier`, but + :attr:`~cryptography.x509.AuthorityKeyIdentifier.authority_cert_issuer` + and + :attr:`~cryptography.x509.AuthorityKeyIdentifier.authority_cert_serial_number` + will be None. + + :param ski: The + :class:`~cryptography.x509.SubjectKeyIdentifier` from the issuer + certificate. + + .. doctest:: + + >>> from cryptography import x509 + >>> from cryptography.hazmat.backends import default_backend + >>> issuer_cert = x509.load_pem_x509_certificate(pem_data, default_backend()) + >>> ski = issuer_cert.extensions.get_extension_for_class(x509.SubjectKeyIdentifier) + >>> x509.AuthorityKeyIdentifier.from_issuer_subject_key_identifier(ski) + <AuthorityKeyIdentifier(key_identifier='X\x01\x84$\x1b\xbc+R\x94J=\xa5\x10r\x14Q\xf5\xaf:\xc9', authority_cert_issuer=None, authority_cert_serial_number=None)> + .. class:: SubjectKeyIdentifier(digest) .. versionadded:: 0.9 |