
import argparse
import struct
import unittest

class       a		:







							def __init__(						self  :  List[Any]      ,				snake_case__  :  bytes ):
								"""simple docstring"""







								__lowerCAmelCase         =							data

								# Initialize hash values
								__lowerCAmelCase         =							[
								    0X6a09_e667,
								    0Xbb67_ae85,
								    0X3c6e_f372,
								    0Xa54f_f53a,
								    0X510e_527f,
								    0X9b05_688c,
								    0X1f83_d9ab,
								    0X5be0_cd19,
								]

								# Initialize round constants
								__lowerCAmelCase         =							[
								    0X428a_2f98,
								    0X7137_4491,
								    0Xb5c0_fbcf,
								    0Xe9b5_dba5,
								    0X3956_c25b,
								    0X59f1_11f1,
								    0X923f_82a4,
								    0Xab1c_5ed5,
								    0Xd807_aa98,
								    0X1283_5b01,
								    0X2431_85be,
								    0X550c_7dc3,
								    0X72be_5d74,
								    0X80de_b1fe,
								    0X9bdc_06a7,
								    0Xc19b_f174,
								    0Xe49b_69c1,
								    0Xefbe_4786,
								    0X0fc1_9dc6,
								    0X240c_a1cc,
								    0X2de9_2c6f,
								    0X4a74_84aa,
								    0X5cb0_a9dc,
								    0X76f9_88da,
								    0X983e_5152,
								    0Xa831_c66d,
								    0Xb003_27c8,
								    0Xbf59_7fc7,
								    0Xc6e0_0bf3,
								    0Xd5a7_9147,
								    0X06ca_6351,
								    0X1429_2967,
								    0X27b7_0a85,
								    0X2e1b_2138,
								    0X4d2c_6dfc,
								    0X5338_0d13,
								    0X650a_7354,
								    0X766a_0abb,
								    0X81c2_c92e,
								    0X9272_2c85,
								    0Xa2bf_e8a1,
								    0Xa81a_664b,
								    0Xc24b_8b70,
								    0Xc76c_51a3,
								    0Xd192_e819,
								    0Xd699_0624,
								    0Xf40e_3585,
								    0X106a_a070,
								    0X19a4_c116,
								    0X1e37_6c08,
								    0X2748_774c,
								    0X34b0_bcb5,
								    0X391c_0cb3,
								    0X4ed8_aa4a,
								    0X5b9c_ca4f,
								    0X682e_6ff3,
								    0X748f_82ee,
								    0X78a5_636f,
								    0X84c8_7814,
								    0X8cc7_0208,
								    0X90be_fffa,
								    0Xa450_6ceb,
								    0Xbef9_a3f7,
								    0Xc671_78f2,
								]

								__lowerCAmelCase         =							self.preprocessing(self.data )
								self.final_hash()







							@staticmethod
							def       UpperCAmelCase__					(						snake_case__  :  bytes ):
								"""simple docstring"""







								__lowerCAmelCase         =							b"\x80" + (b"\x00" * (63 - (len(snake_case__ ) + 8) % 64))
								__lowerCAmelCase         =							struct.pack(">Q"      ,				(len(snake_case__ ) * 8) )
								return data + padding + big_endian_integer







							def       UpperCAmelCase__					(						self  :  int ):
								"""simple docstring"""







								__lowerCAmelCase         =							[
								    self.preprocessed_data[x : x + 64]
								    for x in range(0      ,				len(self.preprocessed_data )      ,				64 )
								]

								for block in self.blocks:
									# Convert the given block into a list of 4 byte integers
									__lowerCAmelCase         =							list(struct.unpack(">16L"      ,				snake_case__ ) )
									# add 48 0-ed integers
									words += [0] * 48

									__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase         =							self.hashes

									for index in range(0      ,				64 ):
										if index > 15:
											# modify the zero-ed indexes at the end of the array
											__lowerCAmelCase         =							(
											    self.ror(words[index - 15]      ,				7 )
											    ^ self.ror(words[index - 15]      ,				18 )
											    ^ (words[index - 15] >> 3)
											)
											__lowerCAmelCase         =							(
											    self.ror(words[index - 2]      ,				17 )
											    ^ self.ror(words[index - 2]      ,				19 )
											    ^ (words[index - 2] >> 10)
											)

											__lowerCAmelCase         =							(
											    words[index - 16] + sa + words[index - 7] + sa
											) % 0X1_0000_0000

										# Compression
										__lowerCAmelCase         =							self.ror(snake_case__      ,				6 ) ^ self.ror(snake_case__      ,				11 ) ^ self.ror(snake_case__      ,				25 )
										__lowerCAmelCase         =							(e & f) ^ ((~e & 0Xffff_ffff) & g)
										__lowerCAmelCase         =							(
										    h + sa + ch + self.round_constants[index] + words[index]
										) % 0X1_0000_0000
										__lowerCAmelCase         =							self.ror(snake_case__      ,				2 ) ^ self.ror(snake_case__      ,				13 ) ^ self.ror(snake_case__      ,				22 )
										__lowerCAmelCase         =							(a & b) ^ (a & c) ^ (b & c)
										__lowerCAmelCase         =							(sa + maj) % 0X1_0000_0000

										__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase   ,						__lowerCAmelCase         =							(
										    g,
										    f,
										    e,
										    ((d + tempa) % 0X1_0000_0000),
										    c,
										    b,
										    a,
										    ((tempa + tempa) % 0X1_0000_0000),
										)

									__lowerCAmelCase         =							[a, b, c, d, e, f, g, h]

									# Modify final values
									__lowerCAmelCase         =							[
									    ((element + mutated_hash_values[index]) % 0X1_0000_0000)
									    for index, element in enumerate(self.hashes )
									]

								__lowerCAmelCase         =							"".join([hex(snake_case__ )[2:].zfill(8 ) for value in self.hashes] )







							def       UpperCAmelCase__					(						self  :  Any      ,				snake_case__  :  int      ,				snake_case__  :  int ):
								"""simple docstring"""







								return 0Xffff_ffff & (value << (32 - rotations)) | (value >> rotations)

class       a		(   unittest.TestCase					):







							def       UpperCAmelCase__					(						self  :  Optional[Any] ):
								"""simple docstring"""







								import hashlib

								__lowerCAmelCase         =							bytes("Test String"      ,				"utf-8" )
								self.assertEqual(SHAaaa(snake_case__ ).hash      ,				hashlib.shaaaa(snake_case__ ).hexdigest() )






def 		_UpperCAmelCase   (	):






	"""simple docstring"""


	import doctest

	doctest.testmod()

	__lowerCAmelCase         =							argparse.ArgumentParser()
	parser.add_argument(
	    "-s"			,							"--string"			,							dest="input_string"			,							default="Hello World!! Welcome to Cryptography"			,							help="Hash the string"			,							)
	parser.add_argument(
	    "-f"			,							"--file"			,							dest="input_file"			,							help="Hash contents of a file"  )

	__lowerCAmelCase         =							parser.parse_args()

	__lowerCAmelCase         =							args.input_string

	# hash input should be a bytestring
	if args.input_file:
		with open(args.input_file			,							"rb"  ) as f:
			__lowerCAmelCase         =							f.read()
	else:
		__lowerCAmelCase         =							bytes(UpperCamelCase			,							"utf-8"  )

	print(SHAaaa(UpperCamelCase  ).hash  )


if __name__ == "__main__":
					main()








from binascii import hexlify
from hashlib import shaaaa
from os import urandom

# RFC 3526 - More Modular Exponential (MODP) Diffie-Hellman groups for
# Internet Key Exchange (IKE) https://tools.ietf.org/html/rfc3526

UpperCamelCase_   	=	{
    # 1536-bit
    5: {
        "prime": int(
            "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
            + "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
            + "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
            + "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
            + "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
            + "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
            + "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
            + "670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF",
            base=1_6,
        ),
        "generator": 2,
    },
    # 2048-bit
    1_4: {
        "prime": int(
            "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
            + "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
            + "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
            + "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
            + "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
            + "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
            + "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
            + "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
            + "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
            + "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
            + "15728E5A8AACAA68FFFFFFFFFFFFFFFF",
            base=1_6,
        ),
        "generator": 2,
    },
    # 3072-bit
    1_5: {
        "prime": int(
            "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
            + "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
            + "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
            + "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
            + "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
            + "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
            + "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
            + "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
            + "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
            + "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
            + "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"
            + "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"
            + "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"
            + "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
            + "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"
            + "43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF",
            base=1_6,
        ),
        "generator": 2,
    },
    # 4096-bit
    1_6: {
        "prime": int(
            "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
            + "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
            + "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
            + "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
            + "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
            + "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
            + "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
            + "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
            + "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
            + "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
            + "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"
            + "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"
            + "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"
            + "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
            + "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"
            + "43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7"
            + "88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA"
            + "2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6"
            + "287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED"
            + "1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9"
            + "93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934063199"
            + "FFFFFFFFFFFFFFFF",
            base=1_6,
        ),
        "generator": 2,
    },
    # 6144-bit
    1_7: {
        "prime": int(
            "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E08"
            + "8A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B"
            + "302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9"
            + "A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE6"
            + "49286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8"
            + "FD24CF5F83655D23DCA3AD961C62F356208552BB9ED529077096966D"
            + "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3BE39E772C"
            + "180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718"
            + "3995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170D"
            + "04507A33A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7D"
            + "B3970F85A6E1E4C7ABF5AE8CDB0933D71E8C94E04A25619DCEE3D226"
            + "1AD2EE6BF12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
            + "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB3143DB5BFC"
            + "E0FD108E4B82D120A92108011A723C12A787E6D788719A10BDBA5B26"
            + "99C327186AF4E23C1A946834B6150BDA2583E9CA2AD44CE8DBBBC2DB"
            + "04DE8EF92E8EFC141FBECAA6287C59474E6BC05D99B2964FA090C3A2"
            + "233BA186515BE7ED1F612970CEE2D7AFB81BDD762170481CD0069127"
            + "D5B05AA993B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934028492"
            + "36C3FAB4D27C7026C1D4DCB2602646DEC9751E763DBA37BDF8FF9406"
            + "AD9E530EE5DB382F413001AEB06A53ED9027D831179727B0865A8918"
            + "DA3EDBEBCF9B14ED44CE6CBACED4BB1BDB7F1447E6CC254B33205151"
            + "2BD7AF426FB8F401378CD2BF5983CA01C64B92ECF032EA15D1721D03"
            + "F482D7CE6E74FEF6D55E702F46980C82B5A84031900B1C9E59E7C97F"
            + "BEC7E8F323A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA"
            + "CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE32806A1D58B"
            + "B7C5DA76F550AA3D8A1FBFF0EB19CCB1A313D55CDA56C9EC2EF29632"
            + "387FE8D76E3C0468043E8F663F4860EE12BF2D5B0B7474D6E694F91E"
            + "6DCC4024FFFFFFFFFFFFFFFF",
            base=1_6,
        ),
        "generator": 2,
    },
    # 8192-bit
    1_8: {
        "prime": int(
            "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
            + "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
            + "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
            + "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
            + "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
            + "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
            + "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
            + "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
            + "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
            + "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
            + "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"
            + "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"
            + "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"
            + "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
            + "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"
            + "43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7"
            + "88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA"
            + "2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6"
            + "287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED"
            + "1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9"
            + "93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934028492"
            + "36C3FAB4D27C7026C1D4DCB2602646DEC9751E763DBA37BD"
            + "F8FF9406AD9E530EE5DB382F413001AEB06A53ED9027D831"
            + "179727B0865A8918DA3EDBEBCF9B14ED44CE6CBACED4BB1B"
            + "DB7F1447E6CC254B332051512BD7AF426FB8F401378CD2BF"
            + "5983CA01C64B92ECF032EA15D1721D03F482D7CE6E74FEF6"
            + "D55E702F46980C82B5A84031900B1C9E59E7C97FBEC7E8F3"
            + "23A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA"
            + "CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE328"
            + "06A1D58BB7C5DA76F550AA3D8A1FBFF0EB19CCB1A313D55C"
            + "DA56C9EC2EF29632387FE8D76E3C0468043E8F663F4860EE"
            + "12BF2D5B0B7474D6E694F91E6DBE115974A3926F12FEE5E4"
            + "38777CB6A932DF8CD8BEC4D073B931BA3BC832B68D9DD300"
            + "741FA7BF8AFC47ED2576F6936BA424663AAB639C5AE4F568"
            + "3423B4742BF1C978238F16CBE39D652DE3FDB8BEFC848AD9"
            + "22222E04A4037C0713EB57A81A23F0C73473FC646CEA306B"
            + "4BCBC8862F8385DDFA9D4B7FA2C087E879683303ED5BDD3A"
            + "062B3CF5B3A278A66D2A13F83F44F82DDF310EE074AB6A36"
            + "4597E899A0255DC164F31CC50846851DF9AB48195DED7EA1"
            + "B1D510BD7EE74D73FAF36BC31ECFA268359046F4EB879F92"
            + "4009438B481C6CD7889A002ED5EE382BC9190DA6FC026E47"
            + "9558E4475677E9AA9E3050E2765694DFC81F56E880B96E71"
            + "60C980DD98EDD3DFFFFFFFFFFFFFFFFF",
            base=1_6,
        ),
        "generator": 2,
    },
}

class       a		:







							def __init__(						self  :  Union[str, Any]      ,				snake_case__  :  int = 14 ):
								"""simple docstring"""







								if group not in primes:
									raise ValueError("Unsupported Group" )
								__lowerCAmelCase         =							primes[group]["prime"]
								__lowerCAmelCase         =							primes[group]["generator"]

								__lowerCAmelCase         =							int(hexlify(urandom(32 ) )      ,				base=16 )







							def       UpperCAmelCase__					(						self  :  str ):
								"""simple docstring"""







								return hex(self.__private_key )[2:]







							def       UpperCAmelCase__					(						self  :  str ):
								"""simple docstring"""







								__lowerCAmelCase         =							pow(self.generator      ,				self.__private_key      ,				self.prime )
								return hex(snake_case__ )[2:]







							def       UpperCAmelCase__					(						self  :  Dict      ,				snake_case__  :  int ):
								"""simple docstring"""







								return (
								    2 <= key <= self.prime - 2
								    and pow(snake_case__      ,				(self.prime - 1) // 2      ,				self.prime ) == 1
								)







							def       UpperCAmelCase__					(						self  :  int      ,				snake_case__  :  str ):
								"""simple docstring"""







								__lowerCAmelCase         =							int(snake_case__      ,				base=16 )
								if not self.is_valid_public_key(snake_case__ ):
									raise ValueError("Invalid public key" )
								__lowerCAmelCase         =							pow(snake_case__      ,				self.__private_key      ,				self.prime )
								return shaaaa(str(snake_case__ ).encode() ).hexdigest()







							@staticmethod
							def       UpperCAmelCase__					(						snake_case__  :  int      ,				snake_case__  :  int ):
								"""simple docstring"""







								return (
								    2 <= remote_public_key_str <= prime - 2
								    and pow(snake_case__      ,				(prime - 1) // 2      ,				snake_case__ ) == 1
								)







							@staticmethod
							def       UpperCAmelCase__					(						snake_case__  :  str      ,				snake_case__  :  str      ,				snake_case__  :  int = 14 ):
								"""simple docstring"""







								__lowerCAmelCase         =							int(snake_case__      ,				base=16 )
								__lowerCAmelCase         =							int(snake_case__      ,				base=16 )
								__lowerCAmelCase         =							primes[group]["prime"]
								if not DiffieHellman.is_valid_public_key_static(snake_case__      ,				snake_case__ ):
									raise ValueError("Invalid public key" )
								__lowerCAmelCase         =							pow(snake_case__      ,				snake_case__      ,				snake_case__ )
								return shaaaa(str(snake_case__ ).encode() ).hexdigest()


if __name__ == "__main__":
					import doctest

					doctest.testmod()






