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How to use check_bytes method in refurb
Best Python code snippet using refurb_python
rsa_private_key.py
Source:rsa_private_key.py 
1from samson.encoding.openssh.core.packed_bytes import PackedBytes2from samson.encoding.openssh.core.literal import Literal3from samson.encoding.openssh.general import check_decrypt4from samson.utilities.bytes import Bytes5from samson.padding.incremental_padding import IncrementalPadding6from types import FunctionType7class RSAPrivateKey(object):8 """9 OpenSSH encoding for an RSA private key.10 """11 def __init__(self, name: str, check_bytes: bytes=None, n: int=None, e: int=None, d: int=None, q_mod_p: int=None, p: int=None, q: int=None, host: bytes=None):12 """13 Parameters:14 name (str): Name for bookkeeping purposes.15 check_bytes (bytes): Four random bytes repeated for OpenSSH to check if the decryption worked.16 n (int): RSA modulus.17 e (int): RSA public exponent.18 q_mod_p (int): RSA q^{-1} mod p.19 p (int): RSA secret prime.20 q (int): RSA secret prime.21 host (bytes): Host the key was generated on.22 """23 self.name = name24 self.check_bytes = check_bytes or Bytes.random(4) * 225 self.n = n26 self.e = e27 self.d = d28 self.q_mod_p = q_mod_p29 self.p = p30 self.q = q31 self.host = host32 def __repr__(self):33 return f"<RSAPrivateKey: name={self.name}, n={self.n}, e={self.e}, d={self.d}, q_mod_p={self.q_mod_p}, p={self.p}, q={self.q}, host={self.host}>"34 def __str__(self):35 return self.__repr__()36 @staticmethod37 def pack(value: 'RSAPrivateKey', encryptor: FunctionType=None, padding_size: int=8) -> Bytes:38 """39 Packs a private key into an OpenSSH-compliant encoding.40 Parameters:41 value (RSAPrivateKey): Value to encode.42 encryptor (func): (Optional) Function to use as the encryptor.43 padding_size (int): The block size to pad to. Usually 8 unless you're encrypting.44 Returns:45 Bytes: Packed bytes.46 """47 check_bytes = Literal('check_bytes', length=8).pack(value.check_bytes)48 header = PackedBytes('rsa-header').pack(b'ssh-rsa')49 n = PackedBytes('n').pack(value.n)50 e = PackedBytes('e').pack(value.e)51 d = PackedBytes('d').pack(value.d)52 q_mod_p = PackedBytes('q_mod_p').pack(value.q_mod_p)53 p = PackedBytes('p').pack(value.p)54 q = PackedBytes('q').pack(value.q)55 host = PackedBytes('host').pack(value.host)56 padder = IncrementalPadding(padding_size)57 body = padder.pad(check_bytes + header + n + e + d + q_mod_p + p + q + host)58 if encryptor:59 body = encryptor(body)60 return PackedBytes('private_key').pack(body)61 @staticmethod62 def unpack(encoded_bytes: bytes, decryptor: FunctionType=None) -> ('RSAPrivateKey', bytes):63 """64 Unpacks bytes into an RSAPrivateKey object.65 Parameters:66 encoded_bytes (bytes): Bytes to be (partially?) decoded.67 decryptor (func): (Optional) Function to use as the decryptor.68 Returns:69 (RSAPrivateKey, bytes): The decoded object and unused bytes.70 """71 params, encoded_bytes = PackedBytes('private_key').unpack(encoded_bytes)72 check_bytes, params = check_decrypt(params, decryptor)73 _header, params = PackedBytes('rsa-header').unpack(params)74 n, params = PackedBytes('n').unpack(params)75 e, params = PackedBytes('e').unpack(params)76 d, params = PackedBytes('d').unpack(params)77 q_mod_p, params = PackedBytes('q_mod_p').unpack(params)78 p, params = PackedBytes('p').unpack(params)79 q, params = PackedBytes('q').unpack(params)80 host, params = PackedBytes('host').unpack(params)...
dsa_private_key.py
Source:dsa_private_key.py
1from samson.encoding.openssh.core.packed_bytes import PackedBytes2from samson.encoding.openssh.core.literal import Literal3from samson.encoding.openssh.general import check_decrypt4from samson.padding.incremental_padding import IncrementalPadding5from samson.utilities.bytes import Bytes6from types import FunctionType7class DSAPrivateKey(object):8 """9 OpenSSH encoding for an DSA private key.10 """11 def __init__(self, name: str, check_bytes: bytes=None, p: int=None, q: int=None, g: int=None, y: int=None, x: int=None, host: bytes=None):12 """13 Parameters:14 name (str): Name for bookkeeping purposes.15 check_bytes (bytes): Four random bytes repeated for OpenSSH to check if the decryption worked.16 p (int): Prime modulus.17 q (int): Prime modulus.18 g (int): Generator.19 y (int): Public key.20 x (int): Private key.21 host (bytes): Host the key was generated on.22 """23 self.name = name24 self.check_bytes = check_bytes or Bytes.random(4) * 225 self.p = p26 self.q = q27 self.g = g28 self.y = y29 self.x = x30 self.host = host31 def __repr__(self):32 return f"<DSAPrivateKey: name={self.name}, p={self.p}, q={self.q}, g={self.g}, y={self.y}, x={self.x}, host={self.host}>"33 def __str__(self):34 return self.__repr__()35 @staticmethod36 def pack(value: bytes, encryptor: FunctionType=None, padding_size: int=8) -> Bytes:37 """38 Packs a private key into an OpenSSH-compliant encoding.39 Parameters:40 value (bytes): Value to encode.41 encryptor (func): (Optional) Function to use as the encryptor.42 padding_size (int): The block size to pad to. Usually 8 unless you're encrypting.43 44 Returns:45 Bytes: Packed bytes.46 """47 check_bytes = Literal('check_bytes', length=8).pack(value.check_bytes)48 encoded = check_bytes + PackedBytes('dsa-header').pack(b'ssh-dss') + PackedBytes('p').pack(value.p) + PackedBytes('q').pack(value.q) + PackedBytes('g').pack(value.g) + PackedBytes('y').pack(value.y) + PackedBytes('x').pack(value.x) + PackedBytes('host').pack(value.host)49 padder = IncrementalPadding(padding_size)50 body = padder.pad(encoded)51 if encryptor:52 body = encryptor(body)53 return PackedBytes('private_key').pack(body)54 @staticmethod55 def unpack(encoded_bytes: bytes, decryptor: FunctionType=None, already_unpacked: bool=False) -> (object, bytes):56 """57 Unpacks bytes into an DSAPrivateKey object.58 Parameters:59 encoded_bytes (bytes): Bytes to be (partially?) decoded.60 already_unpacked (bool): Whether or not to do the initial length-decoding.61 Returns:62 (DSAPrivateKey, bytes): The decoded object and unused bytes.63 """64 encoded_bytes = Bytes.wrap(encoded_bytes)65 if already_unpacked:66 params, encoded_bytes = encoded_bytes, None67 else:68 params, encoded_bytes = PackedBytes('private_key').unpack(encoded_bytes)69 check_bytes, params = check_decrypt(params, decryptor)70 _header, params = PackedBytes('dsa-header').unpack(params)71 p, params = PackedBytes('p').unpack(params)72 q, params = PackedBytes('q').unpack(params)73 g, params = PackedBytes('g').unpack(params)74 y, params = PackedBytes('y').unpack(params)75 x, params = PackedBytes('x').unpack(params)76 host, params = PackedBytes('host').unpack(params)...
eddsa_private_key.py
Source:eddsa_private_key.py
1from samson.encoding.openssh.core.packed_bytes import PackedBytes2from samson.utilities.bytes import Bytes3from samson.encoding.openssh.general import check_decrypt4from samson.encoding.openssh.core.literal import Literal5from samson.padding.incremental_padding import IncrementalPadding6from types import FunctionType7class EdDSAPrivateKey(object):8 """9 OpenSSH encoding for an EdDSA private key.10 """11 def __init__(self, name: str, check_bytes: bytes=None, a: int=None, h: int=None, host: bytes=None):12 """13 Parameters:14 name (str): Name for bookkeeping purposes.15 check_bytes (bytes): Four random bytes repeated for OpenSSH to check if the decryption worked.16 a (int): Public int.17 h (int): Hashed private int.18 host (bytes): Host the key was generated on.19 """20 self.name = name21 self.check_bytes = check_bytes or Bytes.random(4) * 222 self.a = a23 self.h = h24 self.host = host25 def __repr__(self):26 return f"<EdDSAPrivateKey: name={self.name}, a={self.a}, h={self.h}, host={self.host}>"27 def __str__(self):28 return self.__repr__()29 @staticmethod30 def pack(value: 'EdDSAPrivateKey', encryptor: FunctionType=None, padding_size: int=8) -> Bytes:31 """32 Packs a private key into an OpenSSH-compliant encoding.33 Parameters:34 value (EdDSAPrivateKey): Value to encode.35 encryptor (func): (Optional) Function to use as the encryptor.36 padding_size (int): The block size to pad to. Usually 8 unless you're encrypting.37 Returns:38 Bytes: Packed bytes.39 """40 check_bytes = Literal('check_bytes', length=8).pack(value.check_bytes)41 encoded = check_bytes + PackedBytes('eddsa-header').pack(b'ssh-ed25519') + PackedBytes('a').pack(value.a) + PackedBytes('h').pack(value.h[::-1]) + PackedBytes('host').pack(value.host)42 padder = IncrementalPadding(padding_size)43 body = padder.pad(encoded)44 if encryptor:45 body = encryptor(body)46 body = PackedBytes('private_key').pack(body)47 return body48 @staticmethod49 def unpack(encoded_bytes: bytes, decryptor: FunctionType=None, already_unpacked: bool=False) -> ('EdDSAPrivateKey', bytes):50 """51 Unpacks bytes into an EdDSAPrivateKey object.52 Parameters:53 encoded_bytes (bytes): Bytes to be (partially?) decoded.54 already_unpacked (bool): Whether or not to do the initial length-decoding.55 Returns:56 (EdDSAPrivateKey, bytes): The decoded object and unused bytes.57 """58 encoded_bytes = Bytes.wrap(encoded_bytes)59 if already_unpacked:60 params, encoded_bytes = encoded_bytes, None61 else:62 params, encoded_bytes = PackedBytes('private_key').unpack(encoded_bytes)63 check_bytes, params = check_decrypt(params, decryptor)64 _header, params = PackedBytes('eddsa-header').unpack(params)65 a, params = PackedBytes('a').unpack(params)66 h, params = PackedBytes('h').unpack(params)67 host, params = PackedBytes('host').unpack(params)...
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