eth_hash.backends package¶

Submodules¶

eth_hash.backends.auto module¶

class eth_hash.backends.auto.AutoBackend¶

Bases: eth_hash.abc.BackendAPI

keccak256(in_data: Union[bytearray, bytes]) → bytes¶

preimage(in_data: Union[bytearray, bytes]) → eth_hash.abc.PreImageAPI¶

eth_hash.backends.pycryptodome module¶

class eth_hash.backends.pycryptodome.CryptodomeBackend¶

Bases: eth_hash.abc.BackendAPI

keccak256(prehash: Union[bytearray, bytes]) → bytes¶

preimage(prehash: Union[bytearray, bytes]) → eth_hash.abc.PreImageAPI¶

class eth_hash.backends.pycryptodome.CryptodomePreimage(prehash: bytes)¶

Bases: eth_hash.abc.PreImageAPI

copy() → eth_hash.backends.pycryptodome.CryptodomePreimage¶

digest() → bytes¶

update(prehash: bytes) → None¶

eth_hash.backends.pysha3 module¶

class eth_hash.backends.pysha3.PySha3Backend¶

Bases: eth_hash.abc.BackendAPI

keccak256(prehash: Union[bytearray, bytes]) → bytes¶

preimage(prehash: Union[bytearray, bytes]) → eth_hash.abc.PreImageAPI¶

class eth_hash.backends.pysha3.Pysha3Preimage(prehash: bytes)¶

Bases: eth_hash.abc.PreImageAPI

copy() → eth_hash.backends.pysha3.Pysha3Preimage¶

digest() → bytes¶

update(prehash: bytes) → None¶

Module contents¶

A collection of optional backends that implement hashing.

You must manually select and install the backend you want. If the backend is not installed, then trying to import the module for that backend will cause an ImportError.

See Choose a hashing backend for more.