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CHANGELOG.md

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v0.4.2 (2024-04-16)

Fix

  • cryptography/DH: cryptography v41 no longer supports memoryview as data
  • cryptography/ECC: add support for __eq__ operator

Refactor

  • use PEP-8 absolute imports
  • AES: simplify logic of creating an AES cipher object

Perf

  • AES: eliminate try-except block in a for loop (#281)

v0.4.1 (2023-02-23)

Refactor

  • pyflocker: add type marker file for easier integration with type checkers

v0.4.0 (2022-12-17)

Feat

  • cryptography_/ECC: load OpenSSH public keys
  • asymmetric: add loaders for EdDSA algorithms
  • ECC: load Raw encoded ECC private keys
  • interfaces/ECC: add curve param to load SEC1/Raw curves
  • ECC: add support for EdDSA curves
  • base: add base classes for EdDSA signing/verifying
  • cryptography_/Hash: handle case where arguments specific to cryptodome is supplied
  • asymmetric: add EdDSA signature algorithm for EdDSA keys
  • Hash: remove OID property
  • cryptography_/Camellia: raise UnsupportedMode if mode is not supported
  • cryptodome_/AES: raise more appropriate UnsupportedMode instead of NotImplementedError
  • exc: add UnsupportedMode exception
  • AES,Camellia: accept only None or BaseHash types for HMAC digestmod
  • misc: accept only types implementing BaseHash
  • AES: use AuthenticationMixin class; fix class hierarchy
  • AuthenticationMixin: add mixin class to provide authentication functionality
  • base: add base class for AEAD Oneshot ciphers
  • asymmetric: raise TypeError if unknown padding/signing algorithm is provided
  • cryptography_/ECC: implement abstract method curve
  • base,ECC: add abstract methods (curve, public_key) to ECC base classes
  • cryptography_/ECC: use proepr base classes for ECC; handle algorithms properly
  • cryptodome_/ECC: use ECC base classes, signer/verifier context
  • asymmetric: add factory functions for ECDH, ECDSA
  • ciphers: allow import of ECDH, ECDSA from package
  • asymmetric: add EC algorithms for signing and exchange
  • base: add base class for EC keys, EC exchange/signing algorithms
  • derive MGFs and padding functions from base class and add type hints
  • base: add base class for asymmetric padding and MGFs
  • ciphers: import Backends enum from pyflocker.ciphers directly
  • base: add base class for DH parameters, private and public key
  • cryptography/DH: get parameter numbers in init; add key_size property
  • RSA: add key_size property
  • locker: add encrypt, decrypt, encryptf, decryptf
  • base: add RSA load and serialize as abstractmethod
  • cryptodome/RSA: make public key serialization API compatible with pyca/cryptography
  • base,RSA: adhere to new Signer/Verifier & Encryptor/Decryptor Context base classes
  • base,RSA: add base class for RSA private and public key
  • modes: enforce integer values for Modes enum
  • cryptodome: add TupleHash variants and simplify hash creation
  • Hash: add custom and key kwarg; add relevant docs
  • cryptodome: add kangaroo12, cshake support

Fix

  • symmetric: use proper error message for calculate_tag()
  • cryptodome_/ECC: fix error message for PEM and DER serialization
  • cryptography_/misc: fix error message for derive_poly1305_key
  • cryptodome_/ECC: add missing curve= argument
  • cryptography_/ChaCha20: properly initialize ChaCha20 cipher with conditionals
  • tests/base: fix offset calculation for buffer
  • cryptography_/AES: raise ValueError if tag not provided
  • backends/AES: raise NotImplementedError if mode is unsupported
  • cryptodome_/ChaCha20: add _tag attribute
  • cryptography_/Hash: block size must not be None
  • locker: convert file to str via os.fspath
  • locker: use str to represent paths
  • cryptodome_/ECC: add curve name param to ECC public key loader
  • cryptodome_/ECC: fix encoding/format validation and error message
  • cryptodome_/ECC: always encode exported key; implement abstract methods
  • cryptography_/ECC: use defaults for encoding and format params
  • cryptography_/DH: add missing return keyword; fix type hints
  • cryptography_/DH: check type of the returned key when loading DH keys
  • cryptography_/DH: catch StopIteration instead of IndexError upon calling next()
  • cryptodome_/RSA: raise SignatureError from ValueError to show verification failure
  • cryptography_/asymmetric: check if salt_length is None
  • cryptodome_/asymmetric: pass a lambda func as MGF and raise TypeError if not MGF1
  • cryptodome_/RSA: check if return value is None or not
  • cryptography/RSA: convert memoryview object to bytes
  • Hash: raise AttributeError instead of generic ValueError
  • Hash: use self.digest_size if digest_size not provided
  • cryptography: fix incorrect blake2s OID
  • cryptodome: fix TypeError if key not supplied when hash is blake*
  • Hash: use self.name for creating a new hash object

Refactor

  • cryptography_/ECC: rename msghash to message to EdDSA for signer/verifier
  • use string literal in typing.cast type
  • Hash: allow data param to be None
  • pyflocker/locker: do not hardcode nonce length
  • cryptography_/ChaCha20: remove obsolete default_backend()
  • cryptography_/ECC: remove unused code; add documentation
  • cryptography_/DH: simplify serialize and load code
  • cryptography_/RSA: simplify serialize and load code
  • cryptodome_/RSA: simplify serialize and load logic
  • cryptography_/DH: shorten error to use backend error message
  • fix type hints and format code
  • interfaces: use io.BufferedIOBase as type hint for file param
  • cryptodome_/symmetric: simplify conditional block
  • interfaces/AES: manually add mode values instead of updating the global scope
  • mypy: use assert to prevent mypy errors
  • mypy: remove unused type: ingores
  • use modern type hint syntax
  • locker: add asserts for mypy checks
  • cryptography_/RSA: avoid mypy issues
  • type-hints: fix mypy type conflicts
  • add type hints everywhere
  • cryptography_/ECC: adjust for extra param curve
  • RSA: use factory functions for object creation
  • interfaces/ECC: update type hints and remove edwards kwarg
  • cryptodome_/RSA: extract PKCS#1 validator into its own function
  • add from __future__ import annotations everywhere
  • cryptodome_/RSA: store supported encodings and formats as class vars; simplify RSA Pubkey load()
  • interfaces/ECC: remove calls to dict
  • cryptography_/asymmetric: remove calls to dict
  • cryptography_/RSA: remove calls within signature; access key's method directly
  • cryptography_/Hash: remove call to dict; add default value to getattr
  • cryptography_/ECC: rename constant to more explicit name; simplify type checking of passphrase
  • cryptography_/ChaCha20: remove nested ifs
  • cryptography_/Camellia: do not create new variable; return directly
  • cryptography_/AES: remove nested ifs
  • misc: check for errors first; remove deprecated call to default_backend
  • cryptodome_/RSA: remove nested ifs; remove calls in signature; fix doc typo
  • cryptodome_/Hash: get rid of calls to dict
  • cryptodome_/ECC: get rid of calls to dict
  • cryptodome_/AES: remove calls to dict; remove nested ifs
  • symmetric: get rid of redundant nested ifs
  • exc: get rid of redundant pass statements
  • cryptography_/RSA: move supported encodings and formats into the classes
  • cryptography_/DH: supported encodings and formats reside in their own classes
  • modes: use uppercase for constant (AEAD and SPECIAL)
  • RSA: eliminate superclasses used for fetching RSA numbers
  • conditional import based on type checking
  • interfaces: fix type hint for Hash.new
  • cryptography: clean up code responsible for hash creation
  • cryptography: simplify code of Hash module
  • base: use type class instead of the object
  • init: calculate version_info from __version__