import base64 from cryptography.hazmat.primitives import serialization from cryptography.hazmat.primitives.asymmetric import rsa # The XML data provided by the user modulus_b64 = "3PlhZKih1S9AKmsOcnPuS6FfPyYdKg6ltCUypt4EOi2++oM5O26YFxODBtQHO+UmsEoNcz6X2A5BE9kv4y8Xyv+hDxQrHsyavrkq2Yn5Mf/BFAquYuRoX5FtvH6ht+yllfBJQs3wE9m/O8LKHomKE5HXiaV/QMDRLoYeAwzQwcE=" exponent_b64 = "AQAB" d_b64 = "i8TdWprjSgHKF0qB59j2WDYpFbtY5RpAq3J/2FZD3DzFOJU55SKt5qK71NzV+oeV8hnU6hkkWE+j0BcnGA7Yf6xGIoVNVhrenU18hrd6vSUPDeOuerkv+u98pNEqs6jcfYwhKKEJ2nFl4AacdQ7RaQPEWb41pVYvP+qaX6PeQAE=" p_b64 = "8fGRi846fRCbc8oaUGnw1dR2BXOopzxfAMeKEOCUeRP/Yj1kUcW9k4zUeaFc2upnfAeUbX38Bk5VW5edCDIjAQ==" q_b64 = "6c/usvg8/4quH8Z70tSotmN+N6UxiuaTF51oOeTnIVUjXMqB3gc5sRCbipGj1u+DJUYh4LQLZp+W2LU7uCpewQ==" dp_b64 = "y2q8YVwh5tbYrHCm0SdRWqcIF6tXiEwE4EXkOi5oBqielr1hJDNqIa1NU3os9M4R9cD1tV0wUSj5MUn2uFZXAQ==" dq_b64 = "yc9+8Z0QUWVrC+QvBngls1/HFtKQI5sHRS/JQYdQ9FVfM31bgL/tzOZPytgQebm8EdUp8qCU4pxHAH/Vrw1rQQ==" inverse_q_b64 = "VX4SRxVQ130enAqw9M0Nyl+875vmhc6cbsJQQ3E/fJjQvkB8EgjxBp6JVTeY1U5ga56Hvzngomk335pA6gli0A==" def b64_to_int(b64_str): return int.from_bytes(base64.b64decode(b64_str), byteorder='big') # Convert components to integers n = b64_to_int(modulus_b64) e = b64_to_int(exponent_b64) d = b64_to_int(d_b64) p = b64_to_int(p_b64) q = b64_to_int(q_b64) dmp1 = b64_to_int(dp_b64) dmq1 = b64_to_int(dq_b64) iqmp = b64_to_int(inverse_q_b64) # Reconstruct the private key object private_key = rsa.RSAPrivateNumbers( p=p, q=q, d=d, dmp1=dmp1, dmq1=dmq1, iqmp=iqmp, public_numbers=rsa.RSAPublicNumbers(e, n) ).private_key() # Serialize to PEM pem_private = private_key.private_bytes( encoding=serialization.Encoding.PEM, format=serialization.PrivateFormat.PKCS8, encryption_algorithm=serialization.NoEncryption() ) # Print for the user print(pem_private.decode('utf-8'))