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Swift

Example: Crypt2.ClearEncryptCerts method

Demonstrates how to call the ClearEncryptCerts method.

Chilkat Swift Downloads

Swift

func chilkatTest() {
    var success: Bool = false

    let crypt = CkoCrypt2()!

    // Tell the crypt object to use 3 certificates.
    // Do this by calling AddEncryptCert for each certificate.

    let cert1 = CkoCert()!
    // ...
    // Load the cert from a source such as a .pfx/.p12 file, smart card, USB token, Apple keychain, Windows certificate store, etc.
    // ...
    crypt.addEncryptCert(cert: cert1)

    let cert2 = CkoCert()!
    // ...
    crypt.addEncryptCert(cert: cert2)

    let cert3 = CkoCert()!
    // ...
    crypt.addEncryptCert(cert: cert3)

    // Params for public-key encryption to create PKCS7 enveloped-data
    crypt.cryptAlgorithm = "pki"
    crypt.pkcs7CryptAlg = "aes"
    crypt.keyLength = 256
    crypt.oaepHash = "sha256"
    crypt.oaepPadding = true

    let bd = CkoBinData()!
    // ...
    success = crypt.encryptBd(bd: bd)

    // Let's say we now want to encrypt something else with different certs..
    // First clear the encryption certs.
    crypt.clearEncryptCerts()

    let cert4 = CkoCert()!
    // ...
    crypt.addEncryptCert(cert: cert4)

    let cert5 = CkoCert()!
    // ...
    crypt.addEncryptCert(cert: cert5)

    // ...
    // ...

    // Encrypt using cert4 and cert5.
    success = crypt.encryptBd(bd: bd)

}