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