(Swift) Generate an RSA Key and Save to Encrypted PEM

See more RSA Examples

Note: This example requires Chilkat v11.0.0 or greater.

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func chilkatTest() {
    var success: Bool = false

    let rsa = CkoRsa()!

    // Generate a 2048-bit key.
    let privKey = CkoPrivateKey()!
    success = rsa.genKey(2048, privKey: privKey)
    if success == false {
        print("\(rsa.lastErrorText!)")
        return
    }

    var password: String? = "secret"
    // Saving to a relative path (from the current working directory of the process).
    var path: String? = "rsaKeys/myTestRsaPrivate.pem"
    // Encrypt the PEM using 256-bit AES encryption.
    privKey.pkcs8EncryptAlg = "aes256"
    success = privKey.savePkcs8EncryptedPemFile(password, path: path)
    if success == false {
        print("\(privKey.lastErrorText!)")
        return
    }

    // 

    // We can also save the public key.
    // There is no need to encrypt public keys.
    let pubKey = CkoPublicKey()!
    privKey.to(pubKey)

    path = "rsaKeys/myTestRsaPublic.pem"
    // Choose PKCS1 or PKCS8
    // We'll choose PKCS8.
    var preferPkcs1: Bool = false
    success = pubKey.savePemFile(preferPkcs1, path: path)
    if success == false {
        print("\(pubKey.lastErrorText!)")
        return
    }

    // 

    print("Success.")

}