(Swift 2) Convert DSA DER Private Key to PEM

Converts a DSA private key from DER format to PEM. Demonstrates how to write both encrypted and unencrypted PEM formatted private keys.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let dsa = CkoDsa()

    // Load a DER private key.
    var success: Bool = dsa.FromDerFile("dsa_priv.der")
    if success != true {
        print("\(dsa.LastErrorText)")
        return
    }

    var pemStr: String?

    // Save to unencrypted PEM:
    pemStr = dsa.ToPem()
    success = dsa.SaveText(pemStr, path: "dsa_priv.pem")
    if success != true {
        print("\(dsa.LastErrorText)")
        return
    }

    // Save to encrypted PEM:
    pemStr = dsa.ToEncryptedPem("myPassword")
    success = dsa.SaveText(pemStr, path: "dsa_privEncrypted.pem")
    if success != true {
        print("\(dsa.LastErrorText)")
        return
    }

    print("Finished!")

}