rsa lesson added

training/h4tum/Intro_to_RSA/demo/PEM/dec_pub.py

@@ -0,0 +1,16 @@
+from cryptography.hazmat.primitives import serialization
+
+pem_data = b"""
+-----BEGIN PUBLIC KEY-----
+MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCuIDV1FN9eF91qfDkU8iQ8P1qq
+0oZ5pNkiriR6HDXPTV1m0mQf1EKY47eco5geVIJezpH0Hfud07Jicla9mWI6ajQL
+buYoyYgUN3FU3ihBszx3gh1i3nX0rVGwu+//pDQLBj0Ds5KB5l3veVJ6Kcc1Tn40
+nUer2m+mFzb6Y9Q3bwIDAQAB
+-----END PUBLIC KEY-----
+"""
+
+key = serialization.load_pem_public_key(pem_data)
+
+numbers = key.public_numbers()
+print(f"Modulus (n): {numbers.n}")
+print(f"Exponent (e): {numbers.e}")