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Load an Encrypted Private Key from a PEM File

Demonstrates the Chilkat PrivateKey.LoadEncryptedPemFile method, which loads a private key from a file, using a password when the key is encrypted. The first argument is the file path and the second is the password.

Note: The file path is relative to the application's current working directory. Absolute paths may also be used. Supply the path to your own key file.

Background: The file-based encrypted loader — the natural choice for a .pem key stored with a passphrase, as most deployment keys are. It decrypts encrypted PKCS #8 PEM and also accepts unencrypted files, so it works whether or not the specific file is protected. Supply the passphrase from a secure source.

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llSuccess = .F.

//  Demonstrates the PrivateKey.LoadEncryptedPemFile method, which loads a private key from a file,
//  using a password when the key is encrypted.  The 1st argument is the file path and the 2nd is
//  the password.

loPrivKey = createobject("CkPrivateKey")

//  The key password is not hard-coded in a real application; obtain it from an interactive
//  prompt, environment variable, or a secrets vault.
lcPassword = "myKeyPassword"

llSuccess = loPrivKey.LoadEncryptedPemFile("qa_data/private_encrypted.pem",lcPassword)
if (llSuccess = .F.) then
    ? loPrivKey.LastErrorText
    release loPrivKey
    return
endif

? "Loaded a " + loPrivKey.KeyType + " private key."


release loPrivKey