import argparse
import struct
import unittest


class   lowercase      :




							def __init__(  self				:   List[str]		,							_UpperCamelCase				:   bytes )   ->			None:



												'''simple docstring'''

												SCREAMING_SNAKE_CASE           =    data

												# Initialize hash values
												SCREAMING_SNAKE_CASE           =    [
												    0x6_A_0_9_E_6_6_7,
												    0xB_B_6_7_A_E_8_5,
												    0x3_C_6_E_F_3_7_2,
												    0xA_5_4_F_F_5_3_A,
												    0x5_1_0_E_5_2_7_F,
												    0x9_B_0_5_6_8_8_C,
												    0x1_F_8_3_D_9_A_B,
												    0x5_B_E_0_C_D_1_9,
												]

												# Initialize round constants
												SCREAMING_SNAKE_CASE           =    [
												    0x4_2_8_A_2_F_9_8,
												    0x7_1_3_7_4_4_9_1,
												    0xB_5_C_0_F_B_C_F,
												    0xE_9_B_5_D_B_A_5,
												    0x3_9_5_6_C_2_5_B,
												    0x5_9_F_1_1_1_F_1,
												    0x9_2_3_F_8_2_A_4,
												    0xA_B_1_C_5_E_D_5,
												    0xD_8_0_7_A_A_9_8,
												    0x1_2_8_3_5_B_0_1,
												    0x2_4_3_1_8_5_B_E,
												    0x5_5_0_C_7_D_C_3,
												    0x7_2_B_E_5_D_7_4,
												    0x8_0_D_E_B_1_F_E,
												    0x9_B_D_C_0_6_A_7,
												    0xC_1_9_B_F_1_7_4,
												    0xE_4_9_B_6_9_C_1,
												    0xE_F_B_E_4_7_8_6,
												    0x0_F_C_1_9_D_C_6,
												    0x2_4_0_C_A_1_C_C,
												    0x2_D_E_9_2_C_6_F,
												    0x4_A_7_4_8_4_A_A,
												    0x5_C_B_0_A_9_D_C,
												    0x7_6_F_9_8_8_D_A,
												    0x9_8_3_E_5_1_5_2,
												    0xA_8_3_1_C_6_6_D,
												    0xB_0_0_3_2_7_C_8,
												    0xB_F_5_9_7_F_C_7,
												    0xC_6_E_0_0_B_F_3,
												    0xD_5_A_7_9_1_4_7,
												    0x0_6_C_A_6_3_5_1,
												    0x1_4_2_9_2_9_6_7,
												    0x2_7_B_7_0_A_8_5,
												    0x2_E_1_B_2_1_3_8,
												    0x4_D_2_C_6_D_F_C,
												    0x5_3_3_8_0_D_1_3,
												    0x6_5_0_A_7_3_5_4,
												    0x7_6_6_A_0_A_B_B,
												    0x8_1_C_2_C_9_2_E,
												    0x9_2_7_2_2_C_8_5,
												    0xA_2_B_F_E_8_A_1,
												    0xA_8_1_A_6_6_4_B,
												    0xC_2_4_B_8_B_7_0,
												    0xC_7_6_C_5_1_A_3,
												    0xD_1_9_2_E_8_1_9,
												    0xD_6_9_9_0_6_2_4,
												    0xF_4_0_E_3_5_8_5,
												    0x1_0_6_A_A_0_7_0,
												    0x1_9_A_4_C_1_1_6,
												    0x1_E_3_7_6_C_0_8,
												    0x2_7_4_8_7_7_4_C,
												    0x3_4_B_0_B_C_B_5,
												    0x3_9_1_C_0_C_B_3,
												    0x4_E_D_8_A_A_4_A,
												    0x5_B_9_C_C_A_4_F,
												    0x6_8_2_E_6_F_F_3,
												    0x7_4_8_F_8_2_E_E,
												    0x7_8_A_5_6_3_6_F,
												    0x8_4_C_8_7_8_1_4,
												    0x8_C_C_7_0_2_0_8,
												    0x9_0_B_E_F_F_F_A,
												    0xA_4_5_0_6_C_E_B,
												    0xB_E_F_9_A_3_F_7,
												    0xC_6_7_1_7_8_F_2,
												]

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




							@staticmethod
							def 		__snake_case(  _UpperCamelCase				:   bytes )   ->			bytes:



												'''simple docstring'''

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




							def 		__snake_case(  self				:   int )   ->			None:



												'''simple docstring'''

												SCREAMING_SNAKE_CASE           =    [
												    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
																	SCREAMING_SNAKE_CASE           =    list(struct.unpack(">16L"		,							_UpperCamelCase ) )
																	# add 48 0-ed integers
																	words += [0] * 48

																	SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE           =    self.hashes

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

																											SCREAMING_SNAKE_CASE           =    (
																											    words[index - 16] + sa + words[index - 7] + sa
																											) % 0x1_0_0_0_0_0_0_0_0

																						# Compression
																						SCREAMING_SNAKE_CASE           =    self.ror(_UpperCamelCase		,							6 ) ^ self.ror(_UpperCamelCase		,							11 ) ^ self.ror(_UpperCamelCase		,							25 )
																						SCREAMING_SNAKE_CASE           =    (e & f) ^ ((~e & 0xF_F_F_F_F_F_F_F) & g)
																						SCREAMING_SNAKE_CASE           =    (
																						    h + sa + ch + self.round_constants[index] + words[index]
																						) % 0x1_0_0_0_0_0_0_0_0
																						SCREAMING_SNAKE_CASE           =    self.ror(_UpperCamelCase		,							2 ) ^ self.ror(_UpperCamelCase		,							13 ) ^ self.ror(_UpperCamelCase		,							22 )
																						SCREAMING_SNAKE_CASE           =    (a & b) ^ (a & c) ^ (b & c)
																						SCREAMING_SNAKE_CASE           =    (sa + maj) % 0x1_0_0_0_0_0_0_0_0

																						SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE     ,				SCREAMING_SNAKE_CASE           =    (
																						    g,
																						    f,
																						    e,
																						    ((d + tempa) % 0x1_0_0_0_0_0_0_0_0),
																						    c,
																						    b,
																						    a,
																						    ((tempa + tempa) % 0x1_0_0_0_0_0_0_0_0),
																						)

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

																	# Modify final values
																	SCREAMING_SNAKE_CASE           =    [
																	    ((element + mutated_hash_values[index]) % 0x1_0_0_0_0_0_0_0_0)
																	    for index, element in enumerate(self.hashes )
																	]

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





							def 		__snake_case(  self				:   Union[str, Any]		,							_UpperCamelCase				:   int		,							_UpperCamelCase				:   int )   ->			int:



												'''simple docstring'''

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



class   lowercase      (       unittest.TestCase       ):




							def 		__snake_case(  self				:   Dict )   ->			None:



												'''simple docstring'''

												import hashlib

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





def 		__lowerCamelCase							():
					import doctest

					doctest.testmod()

					SCREAMING_SNAKE_CASE           =    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"					)

					SCREAMING_SNAKE_CASE           =    parser.parse_args()

					SCREAMING_SNAKE_CASE           =    args.input_string

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

					print(SHAaaa(UpperCAmelCase__					).hash					)


if __name__ == "__main__":
							main()





def 		__lowerCamelCase							(UpperCAmelCase__       :							str ,	UpperCAmelCase__       :							str = " "					):
					SCREAMING_SNAKE_CASE           =    []

					SCREAMING_SNAKE_CASE           =    0
					for index, char in enumerate(UpperCAmelCase__					):
										if char == separator:
															split_words.append(string[last_index:index]					)
															SCREAMING_SNAKE_CASE           =    index + 1
										elif index + 1 == len(UpperCAmelCase__					):
															split_words.append(string[last_index : index + 1]					)
					return split_words


if __name__ == "__main__":
							from doctest import testmod

							testmod()




