[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

other/RSA_Algo/rsa_algo.py

@@ -2,10 +2,11 @@
 import sys
 from sympy import isprime, mod_inverse
 
+
 def generate_prime_candidate(length):
     """
     Generate a large prime number candidate.
-    
+
     >>> p = generate_prime_candidate(16)
     >>> isprime(p)
     True
@@ -15,10 +16,11 @@ def generate_prime_candidate(length):
         p = random.getrandbits(length)
     return p
 
+
 def generate_keys(keysize):
     """
     Generate RSA keys.
-    
+
     >>> public, private = generate_keys(16)
     >>> len(bin(public)) - 2  # Check bit length of n
     32
@@ -30,7 +32,7 @@ def generate_keys(keysize):
 
         p = generate_prime_candidate(keysize)
         q = generate_prime_candidate(keysize)
-        
+
         n = p * q
         phi = (p - 1) * (q - 1)
 
@@ -53,21 +55,23 @@ def generate_keys(keysize):
         print(f"Unexpected error generating keys: {ex}", file=sys.stderr)
         sys.exit(1)
 
+
 def gcd(a, b):
     """
     Compute the greatest common divisor of a and b.
-    
+
     >>> gcd(48, 18)
     6
     """
     while b != 0:
         a, b = b, a % b
     return a
 
+
 def encrypt(pk, plaintext):
     """
     Encrypt a message with a public key.
-    
+
     >>> public, private = generate_keys(16)
     >>> encrypted = encrypt(public, "test")
     >>> isinstance(encrypted, list)
@@ -84,10 +88,11 @@ def encrypt(pk, plaintext):
         print(f"Unexpected error during encryption: {ex}", file=sys.stderr)
         return None
 
+
 def decrypt(pk, ciphertext):
     """
     Decrypt a message with a private key.
-    
+
     >>> public, private = generate_keys(16)
     >>> encrypted = encrypt(public, "test")
     >>> decrypted = decrypt(private, encrypted)
@@ -96,17 +101,19 @@ def decrypt(pk, ciphertext):
     """
     try:
         key, n = pk
-        plain = [chr((char ** key) % n) for char in ciphertext]
-        return ''.join(plain)
+        plain = [chr((char**key) % n) for char in ciphertext]
+        return "".join(plain)
     except TypeError as ex:
         print(f"Type error during decryption: {ex}", file=sys.stderr)
         return None
     except Exception as ex:
         print(f"Unexpected error during decryption: {ex}", file=sys.stderr)
         return None
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
 
     try: