moved constants inside the class

hashes/sha1.py

@@ -6,7 +6,6 @@ Usage: python sha1.py --string "Hello World Welcome to Cryptography"
        Without any arguments prints the hash of the string "Hello World"
 Also contains a Test class to verify that the generated Hash is same as that
 returned by the hashlib library
-Reference: https://deadhacker.com/2006/02/21/sha-1-illustrated/
 
 The Algorithm as described in the reference:
 First we start with a message. The message is padded and the length of the message
@@ -15,15 +14,25 @@ processed one at a time. Each block must be expanded and compressed.
 The value after each compression is added to a 160bit buffer called the current hash
 state. After the last block is processed the current hash state is returned as
 the final hash.
+Reference: https://deadhacker.com/2006/02/21/sha-1-illustrated/
 """
 
 import argparse
 import hashlib #hashlib is only used inside the Test class
 
-class SHA1:
+
+
+class SHA1Hash:
     """
     Class to contain the entire pipeline for SHA1 Hashing Algorithm
     """
+    
+    H0 - 01100111010001010010001100000001
+    H1 - 11101111110011011010101110001001
+    H2 - 10011000101110101101110011111110
+    H3 - 00010000001100100101010001110110
+    H4 - 11000011110100101110000111110000
+
     def __init__(self, data):
         self.data = data
         self.current_hash = ''
@@ -41,11 +50,9 @@ class SHA1:
         return
 
     def final_hash(self):
-        assert True #everything done till now
-        # return self.current_hash
-        return hashlib.sha1(bytes(self.data, 'utf-8')).hexdigest()
+        return 'This is in my To Do list'
 
-class SHA1Test:
+class SHA1HashTest:
     """
     Test class for the SHA1 class
     """
@@ -53,7 +60,7 @@ class SHA1Test:
         self.data = data
 
     def calculated_hash(self):
-        return SHA1(self.data).final_hash()
+        return SHA1Hash(self.data).final_hash()
 
     def hashlib_hash(self):
         return hashlib.sha1(self.data.byte_encode()).hexdigest()
@@ -67,10 +74,10 @@ class SHA1Test:
 
 def run_test_case(hash_input = 'Hello World'):
     """
-    Pulled this out of main because we probably dont want to run the Unit Test
+    Pulled this out of main because we probably dont want to run the Test
     each time we want to calculate hash.
     """
-    print(SHA1Test(hash_input).match_hashes())
+    print(SHA1HashTest(hash_input).match_hashes())
 
 
 def main():
@@ -84,7 +91,7 @@ def main():
         hash_input = open(args.input_file, 'r').read()
     else:
         hash_input = input_string
-    print(SHA1(hash_input).final_hash())
+    print(SHA1Hash(hash_input).final_hash())
 
 if __name__ == '__main__':
     main()