


import argparse
import struct
import unittest







class     _lowercase				:


       """simple docstring"""




       def __init__(     self							:    Tuple      ,   __lowerCamelCase							:    bytes ):


             '''simple docstring'''



             lowerCamelCase__	:       Optional[int]					=						data

             # Initialize hash values
             lowerCamelCase__	:       Any					=						[
                 0x6A_09_E6_67,
                 0xBB_67_AE_85,
                 0x3C_6E_F3_72,
                 0xA5_4F_F5_3A,
                 0x51_0E_52_7F,
                 0x9B_05_68_8C,
                 0x1F_83_D9_AB,
                 0x5B_E0_CD_19,
             ]

             # Initialize round constants
             lowerCamelCase__	:       Optional[int]					=						[
                 0x42_8A_2F_98,
                 0x71_37_44_91,
                 0xB5_C0_FB_CF,
                 0xE9_B5_DB_A5,
                 0x39_56_C2_5B,
                 0x59_F1_11_F1,
                 0x92_3F_82_A4,
                 0xAB_1C_5E_D5,
                 0xD8_07_AA_98,
                 0x12_83_5B_01,
                 0x24_31_85_BE,
                 0x55_0C_7D_C3,
                 0x72_BE_5D_74,
                 0x80_DE_B1_FE,
                 0x9B_DC_06_A7,
                 0xC1_9B_F1_74,
                 0xE4_9B_69_C1,
                 0xEF_BE_47_86,
                 0x0F_C1_9D_C6,
                 0x24_0C_A1_CC,
                 0x2D_E9_2C_6F,
                 0x4A_74_84_AA,
                 0x5C_B0_A9_DC,
                 0x76_F9_88_DA,
                 0x98_3E_51_52,
                 0xA8_31_C6_6D,
                 0xB0_03_27_C8,
                 0xBF_59_7F_C7,
                 0xC6_E0_0B_F3,
                 0xD5_A7_91_47,
                 0x06_CA_63_51,
                 0x14_29_29_67,
                 0x27_B7_0A_85,
                 0x2E_1B_21_38,
                 0x4D_2C_6D_FC,
                 0x53_38_0D_13,
                 0x65_0A_73_54,
                 0x76_6A_0A_BB,
                 0x81_C2_C9_2E,
                 0x92_72_2C_85,
                 0xA2_BF_E8_A1,
                 0xA8_1A_66_4B,
                 0xC2_4B_8B_70,
                 0xC7_6C_51_A3,
                 0xD1_92_E8_19,
                 0xD6_99_06_24,
                 0xF4_0E_35_85,
                 0x10_6A_A0_70,
                 0x19_A4_C1_16,
                 0x1E_37_6C_08,
                 0x27_48_77_4C,
                 0x34_B0_BC_B5,
                 0x39_1C_0C_B3,
                 0x4E_D8_AA_4A,
                 0x5B_9C_CA_4F,
                 0x68_2E_6F_F3,
                 0x74_8F_82_EE,
                 0x78_A5_63_6F,
                 0x84_C8_78_14,
                 0x8C_C7_02_08,
                 0x90_BE_FF_FA,
                 0xA4_50_6C_EB,
                 0xBE_F9_A3_F7,
                 0xC6_71_78_F2,
             ]

             lowerCamelCase__	:       Any					=						self.preprocessing(self.data )
             self.final_hash()





       @staticmethod
       def 		lowerCAmelCase  (     __lowerCamelCase							:    bytes ):


             '''simple docstring'''



             lowerCamelCase__	:       Dict					=						b"\x80" + (b"\x00" * (63 - (len(__lowerCamelCase ) + 8) % 64))
             lowerCamelCase__	:       List[Any]					=						struct.pack(">Q"      ,   (len(__lowerCamelCase ) * 8) )
             return data + padding + big_endian_integer





       def 		lowerCAmelCase  (     self							:    List[str] ):


             '''simple docstring'''



             lowerCamelCase__	:       List[Any]					=						[
                 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[str]					=						list(struct.unpack(">16L"      ,   __lowerCamelCase ) )
                   # add 48 0-ed integers
                   words += [0] * 48

                   lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__	:       Optional[int]					=						self.hashes

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

                               lowerCamelCase__	:       Tuple					=						(
                                   words[index - 16] + sa + words[index - 7] + sa
                               ) % 0x1_00_00_00_00

                         # Compression
                         lowerCamelCase__	:       Tuple					=						self.ror(__lowerCamelCase      ,   6 ) ^ self.ror(__lowerCamelCase      ,   11 ) ^ self.ror(__lowerCamelCase      ,   25 )
                         lowerCamelCase__	:       Optional[Any]					=						(e & f) ^ ((~e & 0xFF_FF_FF_FF) & g)
                         lowerCamelCase__	:       Union[str, Any]					=						(
                             h + sa + ch + self.round_constants[index] + words[index]
                         ) % 0x1_00_00_00_00
                         lowerCamelCase__	:       Any					=						self.ror(__lowerCamelCase      ,   2 ) ^ self.ror(__lowerCamelCase      ,   13 ) ^ self.ror(__lowerCamelCase      ,   22 )
                         lowerCamelCase__	:       Any					=						(a & b) ^ (a & c) ^ (b & c)
                         lowerCamelCase__	:       Tuple					=						(sa + maj) % 0x1_00_00_00_00

                         lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__					,     lowerCamelCase__	:       List[Any]					=						(
                             g,
                             f,
                             e,
                             ((d + tempa) % 0x1_00_00_00_00),
                             c,
                             b,
                             a,
                             ((tempa + tempa) % 0x1_00_00_00_00),
                         )

                   lowerCamelCase__	:       List[str]					=						[a, b, c, d, e, f, g, h]

                   # Modify final values
                   lowerCamelCase__	:       Any					=						[
                       ((element + mutated_hash_values[index]) % 0x1_00_00_00_00)
                       for index, element in enumerate(self.hashes )
                   ]

             lowerCamelCase__	:       List[str]					=						"".join([hex(__lowerCamelCase )[2:].zfill(8 ) for value in self.hashes] )





       def 		lowerCAmelCase  (     self							:    Optional[int]      ,   __lowerCamelCase							:    int      ,   __lowerCamelCase							:    int ):


             '''simple docstring'''



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







class     _lowercase				(							unittest.TestCase):


       """simple docstring"""




       def 		lowerCAmelCase  (     self							:    List[Any] ):


             '''simple docstring'''



             import hashlib

             lowerCamelCase__	:       Union[str, Any]					=						bytes("Test String"      ,   "utf-8" )
             self.assertEqual(SHAaaa(__lowerCamelCase ).hash      ,   hashlib.shaaaa(__lowerCamelCase ).hexdigest() )



def    lowercase_	(	):

      """simple docstring"""




      import doctest

      doctest.testmod()

      lowerCamelCase__	:       List[str]					=						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__	:       Optional[Any]					=						parser.parse_args()

      lowerCamelCase__	:       List[str]					=						args.input_string

      # hash input should be a bytestring
      if args.input_file:
            with open(args.input_file					,      "rb"		) as f:
                  lowerCamelCase__	:       List[str]					=						f.read()
      else:
            lowerCamelCase__	:       int					=						bytes(_A					,      "utf-8"		)

      print(SHAaaa(_A		).hash		)


if __name__ == "__main__":
    main()






import cva
import numpy as np







class     _lowercase				:


       """simple docstring"""




       def __init__(     self							:    Union[str, Any]      ,   __lowerCamelCase							:    float      ,   __lowerCamelCase							:    int ):


             '''simple docstring'''



             if k in (0.0_4, 0.0_6):
                   lowerCamelCase__	:       int					=						k
                   lowerCamelCase__	:       List[str]					=						window_size
             else:
                   raise ValueError("invalid k value" )





       def __str__(     self							:    str ):


             '''simple docstring'''



             return str(self.k )





       def 		lowerCAmelCase  (     self							:    Tuple      ,   __lowerCamelCase							:    str ):


             '''simple docstring'''



             lowerCamelCase__	:       Union[str, Any]					=						cva.imread(__lowerCamelCase      ,   0 )
             lowerCamelCase__					,     lowerCamelCase__	:       Any					=						img.shape
             lowerCamelCase__	:       list[list[int]]					=						[]
             lowerCamelCase__	:       List[Any]					=						img.copy()
             lowerCamelCase__	:       int					=						cva.cvtColor(__lowerCamelCase      ,   cva.COLOR_GRAY2RGB )
             lowerCamelCase__					,     lowerCamelCase__	:       int					=						np.gradient(__lowerCamelCase )
             lowerCamelCase__	:       Dict					=						dx**2
             lowerCamelCase__	:       Optional[Any]					=						dy**2
             lowerCamelCase__	:       int					=						dx * dy
             lowerCamelCase__	:       Union[str, Any]					=						0.0_4
             lowerCamelCase__	:       Any					=						self.window_size // 2
             for y in range(__lowerCamelCase      ,   h - offset ):
                   for x in range(__lowerCamelCase      ,   w - offset ):
                         lowerCamelCase__	:       Optional[Any]					=						ixx[
                             y - offset : y + offset + 1, x - offset : x + offset + 1
                         ].sum()
                         lowerCamelCase__	:       Optional[Any]					=						iyy[
                             y - offset : y + offset + 1, x - offset : x + offset + 1
                         ].sum()
                         lowerCamelCase__	:       str					=						ixy[
                             y - offset : y + offset + 1, x - offset : x + offset + 1
                         ].sum()

                         lowerCamelCase__	:       Optional[Any]					=						(wxx * wyy) - (wxy**2)
                         lowerCamelCase__	:       List[str]					=						wxx + wyy
                         lowerCamelCase__	:       List[Any]					=						det - k * (trace**2)
                         # Can change the value
                         if r > 0.5:
                               corner_list.append([x, y, r] )
                               color_img.itemset((y, x, 0)      ,   0 )
                               color_img.itemset((y, x, 1)      ,   0 )
                               color_img.itemset((y, x, 2)      ,   255 )
             return color_img, corner_list


if __name__ == "__main__":
    A   :					Tuple	=      HarrisCorner(0.0_4, 3)
    A,						A   :					Optional[int]	=      edge_detect.detect("path_to_image")
    cva.imwrite("detect.png", color_img)


