mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-24 13:31:07 +00:00
27 lines
750 B
Python
27 lines
750 B
Python
|
def find_primitive(n):
|
||
|
|
for r in range(1, n):
|
||
|
|
li = []
|
||
|
|
for x in range(n-1):
|
||
|
|
val = pow(r,x,n)
|
||
|
|
if val in li:
|
||
|
|
break
|
||
|
|
li.append(val)
|
||
|
|
else:
|
||
|
|
return r
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
q = int(input('Enter a prime number q: '))
|
||
|
|
a = find_primitive(q)
|
||
|
|
a_private = int(input('Enter private key of A: '))
|
||
|
|
a_public = pow(a, a_private, q)
|
||
|
|
b_private = int(input('Enter private key of B: '))
|
||
|
|
b_public = pow(a, b_private, q)
|
||
|
|
|
||
|
|
a_secret = pow(b_public, a_private, q)
|
||
|
|
b_secret = pow(a_public, b_private, q)
|
||
|
|
|
||
|
|
print('The key value generated by A is: ', a_secret)
|
||
|
|
print('The key value generated by B is: ', b_secret)
|
||
|
|
|