tlslite.x509 module

Class representing an X.509 certificate.

class tlslite.x509.X509

Bases: object

This class represents an X.509 certificate.

Variables

  • bytes (bytearray) – The DER-encoded ASN.1 certificate

  • publicKey (RSAKey) – The subject public key from the certificate.

  • subject (bytearray) – The DER-encoded ASN.1 subject distinguished name.

  • certAlg (str) – algorithm of the public key, “rsa” for RSASSA-PKCS#1 v1.5 and “rsa-pss” for RSASSA-PSS

__init__()

Create empty certificate object.

getFingerprint()

Get the hex-encoded fingerprint of this certificate.

Return type

str

Returns

A hex-encoded fingerprint.

parse(s)

Parse a PEM-encoded X.509 certificate.

Parameters

s (str) – A PEM-encoded X.509 certificate (i.e. a base64-encoded certificate wrapped with “—–BEGIN CERTIFICATE—–” and “—–END CERTIFICATE—–” tags).

parseBinary(bytes)

Parse a DER-encoded X.509 certificate.

Parameters

bytes (str or L{bytearray} of unsigned bytes) – A DER-encoded X.509 certificate.

writeBytes()

Serialise object to a DER encoded string.