New API:

• der.remove_implicit and der.encode_implicit for decoding and encoding DER IMPLICIT values with custom tag values and arbitrary classes

Bug fixes:

• Minor fixes around arithmetic with curves that have non-prime order (useful for experimentation, not practical deployments)
• Fix arithmetic to work with curves that have (0, 0) on the curve
• Fix canonicalization of...

New API:

• to_ssh in VerifyingKey and SigningKey, supports Ed25519 keys only (Pablo Mazzini)

New features:

• Support for twisted Brainpool curves

Doc fix:

• Fix curve equation in glossary
• Documentation for signature encoding and signature decoding functions

Maintenance:

• Dropped official support for 3.3 and 3.4 (because of problems r...

New features:

• Support for EdDSA (Ed25519, Ed448) signature creation and verification.
• Support for Ed25519 and Ed448 in PKCS#8 and public key files.
• Support for point precomputation for EdDSA.

New API:

• CurveEdTw class to represent the Twisted Edwards curve parameters.
• PointEdwards class to represent points on Twisted Edwards curve and provide point arithme...

changes since 0.18.0-beta1

New features:

• Support for point precomputation for EdDSA.

Maintenance:

• Fix few typos (thanks to Tim Gates and Kian Meng Ang).

Bug fix:

• Accept private EdDSA keys that include public key in the ASN.1 structure.
• Fix incompatibility with Python 3.3 in handling of memoryviews of empty strings.

New features:

• Support for EdDSA (Ed25519, Ed448) signature creation and verification.
• Support for Ed25519 and Ed448 in PKCS#8 and public key files.

New API:

• CurveEdTw class to represent the Twisted Edwards curve parameters.
• PointEdwards class to represent points on Twisted Edwards curve and provide point arithmetic on it.