Swift

Convert DSA DER Private Key to PEM

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

func chilkatTest() {
    var success: Bool = false

    // 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.
    success = dsa.fromDerFile(path: "dsa_priv.der")
    if success != true {
        print("\(dsa.lastErrorText!)")
        return
    }

    var pemStr: String?

    // Save to unencrypted PEM:
    pemStr = dsa.toPem()
    success = dsa.saveText(strToSave: pemStr, path: "dsa_priv.pem")
    if success != true {
        print("\(dsa.lastErrorText!)")
        return
    }

    // Save to encrypted PEM:
    pemStr = dsa.toEncryptedPem(password: "myPassword")
    success = dsa.saveText(strToSave: pemStr, path: "dsa_privEncrypted.pem")
    if success != true {
        print("\(dsa.lastErrorText!)")
        return
    }

    print("Finished!")

}