Changelog:
https://cryptography.io/en/latest/changelog/#v2-6-1
Important changes:
- BACKWARDS INCOMPATIBLE: Removed
cryptography.hazmat.primitives.asymmetric.utils.encode_rfc6979_signature
and
cryptography.hazmat.primitives.asymmetric.utils.decode_rfc6979_signature,
which had been deprecated for nearly 4 years. Use
encode_dss_signature() and decode_dss_signature() instead.
- BACKWARDS INCOMPATIBLE: Removed cryptography.x509.Certificate.serial,
which had been deprecated for nearly 3 years. Use serial_number
instead.