Decrypt a JWE with a Private Key

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetPrivateKey, which sets the private key used to decrypt a recipient of a loaded JWE.

The file path is relative to the application's current working directory. An absolute path may also be used. Supply the path appropriate to your own environment.

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var jwe = new chilkat.Jwe();

    //  Load the JWE compact serialization to be decrypted.
    var jweCompact = "eyJhbGciOiJBMjU2S1ciLCJlbmMiOiJBMjU2R0NNIn0.<...>.<iv>.<ciphertext>.<tag>";
    success = jwe.LoadJwe(jweCompact);
    if (success == false) {
        console.log(jwe.LastErrorText);
        return;
    }

    //  The file path is relative to the application's current working directory.  An absolute path
    //  may also be used.  Supply the path appropriate to your own environment.
    //  Load the recipient's private key.
    var privKey = new chilkat.PrivateKey();
    success = privKey.LoadPemFile("qa_data/recipient_privkey.pem");
    if (success == false) {
        console.log(privKey.LastErrorText);
        return;
    }

    //  Set the private key used to decrypt recipient 0.
    success = jwe.SetPrivateKey(0,privKey);
    if (success == false) {
        console.log(jwe.LastErrorText);
        return;
    }

    var content = jwe.Decrypt(0,"utf-8");
    if (jwe.LastMethodSuccess == false) {
        console.log(jwe.LastErrorText);
        return;
    }

    console.log(content);

}

chilkatExample();