(Swift 3,4,5...) RSA OAEP Padding

Demonstrates how to use OAEP padding with the RSA encryption algorithm. More information about OAEP Padding.

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

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

    let rsa = CkoRsa()!

    // RSA public key in XML format:
    var publicKey: String? = "<RSAPublicKey><Modulus>of3im3mRgd2NLXIGoK6uYLg6jj0Ug2b42rnqa5Tbwz2ieFqMJqt+++x2oqLYGurlz49nt+7/785g3XYWqoka4u9c9zul6YubIjnBM72dQy7rEkEfbUxgjcxqXyjZFx+FpaxFUecLu688XEu+9UA42VKiCgcl+E7TrqnfeeYpNXc=</Modulus><Exponent>AQAB</Exponent></RSAPublicKey>"

    var success: Bool = rsa.importPublicKey(publicKey)

    // To use Optimal Asymmetric Encryption Padding (OAEP) padding,
    // simply set the OaepPadding property:
    rsa.oaepPadding = true

    // Encrypt a string and return the encrypted data base64-encoded:
    rsa.encodingMode = "base64"

    var plainText: String? = "RSA Encryption should be easy."

    var usePrivateKey: Bool = false
    var encryptedStr: String? = rsa.encryptStringENC(plainText, bUsePrivateKey: usePrivateKey)
    print("\(encryptedStr!)")

}