hashcrypto package

Submodules

hashcrypto.bytesop_fallback module

hashcrypto.bytesop_fallback.op_xor(a, b)

XOR two bytes-like objects.

Module contents

class hashcrypto.CFB(key, hash_constructor=<built-in function openssl_sha512>, start_iv=None)

Bases: hashcrypto.WithIV

decrypt(cipher_blocks, iv=None)

decrypt_block(b, iv)

encrypt(plain_blocks, iv=None)

class hashcrypto.CTR(key, hash_constructor=<built-in function openssl_sha512>, nonce=None)

Bases: hashcrypto.WithNonce

decrypt(plain_blocks, counter_start=0)

decrypt_block(b, counter)

encrypt(plain_blocks, counter_start=0)

encrypt_block(b, counter)

keystream(counter_start)

classmethod suggest_nonce_size(hash_constructor)

class hashcrypto.HashCrypt(key, hash_constructor=<built-in function openssl_sha512>)

Bases: object

block(b)

decrypt_stream(infile, outfile, *args, **kwargs)

encrypt_file(infile, outfile, *args, **kwargs)

encrypt_stream(infile, outfile, *args, **kwargs)

hash_name()

header()

classmethod suggest_key_size(hash_constructor)

exception hashcrypto.IVError

Bases: exceptions.ValueError

class hashcrypto.OFB(key, hash_constructor=<built-in function openssl_sha512>, start_iv=None)

Bases: hashcrypto.WithIV

decrypt(plain_blocks, iv=None)

encrypt(plain_blocks, iv=None)

keystream(iv=None)

class hashcrypto.WithIV(key, hash_constructor=<built-in function openssl_sha512>, start_iv=None)

Bases: hashcrypto.HashCrypt

header()

classmethod make_iv(hash_constructor)

classmethod suggest_iv_size(hash_constructor)

class hashcrypto.WithNonce(key, hash_constructor=<built-in function openssl_sha512>, nonce=None)

Bases: hashcrypto.HashCrypt

header()

classmethod make_nonce(hash_constructor=<built-in function openssl_sha512>)

hashcrypto.decrypt_file(infile, outfile, key)

hashcrypto.pack_plus(b)

hashcrypto.read_file(infile, block_size)

hashcrypto.read_plus(f)

hashcrypto.unpack_plus(b)