public void EncryptCompressed() { string msg = "Ths is some content"; EncryptMessage encryptMessage = new EncryptMessage(); encryptMessage.SetContent(msg); JWK encryptionKey = JWK.GenerateKey("A128GCM"); // encryptMessage.AddAttribute(HeaderKeys.EncryptionAlgorithm, CBORObject.FromObject(EncryptionAlgorithm), Attributes.PROTECTED); Recipient recipient = new Recipient(encryptionKey); encryptMessage.AddRecipient(recipient); // recipient.ClearUnprotected(); if (recipient.RecipientType == RecipientType.Direct && encryptionKey.ContainsName("alg")) { encryptMessage.AddAttribute("enc", encryptionKey.AsString("alg"), Attributes.PROTECTED); } else { encryptMessage.AddAttribute("enc", "A128GCM", Attributes.PROTECTED); } msg = encryptMessage.EncodeCompressed(); }
static void BuildCompact(CBORObject control, JwkSet keys) { // Encrypted or Signed? if (control.ContainsKey("signing")) { SignMessage sign = new SignMessage(); Signer signer = new Signer(keys[0]); sign.SetContent(control["input"]["payload"].AsString()); sign.AddSigner(signer); CBORObject xx = control["signing"]["protected"]; foreach (CBORObject key in xx.Keys) { signer.AddAttribute(key, xx[key], Attributes.PROTECTED); } string output = sign.EncodeCompressed(); Message msg = Message.DecodeFromString(output); CheckMessage(msg, keys[0], control["input"]); } else if (control.ContainsKey("encrypting_key")) { EncryptMessage enc = new EncryptMessage(); CBORObject xx = control["encrypting_content"]["protected"]; foreach (CBORObject key in xx.Keys) { enc.AddAttribute(key, xx[key], Attributes.PROTECTED); } Recipient recip = new Recipient(keys[0], control["input"]["alg"].AsString(), enc); enc.AddRecipient(recip); enc.SetContent(control["input"]["plaintext"].AsString()); string output = enc.EncodeCompressed(); Message msg = Message.DecodeFromString(output); CheckMessage(msg, keys[0], control["input"]); } }