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CkPython

Generate an RSA Key and Save to Encrypted PEM

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Demonstrates how to generate an RSA key and save to an encrypted PEM file.

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CkPython
import sys
import chilkat

success = False

rsa = chilkat.CkRsa()

# Generate a 2048-bit key.
privKey = chilkat.CkPrivateKey()
success = rsa.GenKey(2048,privKey)
if (success == False):
    print(rsa.lastErrorText())
    sys.exit()

password = "secret"
# Saving to a relative path (from the current working directory of the process).
path = "rsaKeys/myTestRsaPrivate.pem"
# Encrypt the PEM using 256-bit AES encryption.
privKey.put_Pkcs8EncryptAlg("aes256")
success = privKey.SavePkcs8EncryptedPemFile(password,path)
if (success == False):
    print(privKey.lastErrorText())
    sys.exit()

# image

# We can also save the public key.
# There is no need to encrypt public keys.
pubKey = chilkat.CkPublicKey()
privKey.ToPublicKey(pubKey)

path = "rsaKeys/myTestRsaPublic.pem"
# Choose PKCS1 or PKCS8
# We'll choose PKCS8.
preferPkcs1 = False
success = pubKey.SavePemFile(preferPkcs1,path)
if (success == False):
    print(pubKey.lastErrorText())
    sys.exit()

# image

print("Success.")