static void Main(string[] args)
{
var data = new Data();
data.wireDecode(new Blob(TlvData));
// Use a hard-wired secret for testing. In a real application the signer
// ensures that the verifier knows the shared key and its keyName.
var key = new Blob(new byte[] {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
});
if (KeyChain.verifyDataWithHmacWithSha256(data, key))
Console.Out.WriteLine("Hard-coded data signature verification: VERIFIED");
else
Console.Out.WriteLine("Hard-coded data signature verification: FAILED");
var freshData = new Data(new Name("/ndn/abc"));
var signature = new HmacWithSha256Signature();
signature.getKeyLocator().setType(KeyLocatorType.KEYNAME);
signature.getKeyLocator().setKeyName(new Name("key1"));
freshData.setSignature(signature);
freshData.setContent(new Blob("SUCCESS!"));
Console.Out.WriteLine("Signing fresh data packet " + freshData.getName().toUri());
KeyChain.signWithHmacWithSha256(freshData, key);
if (KeyChain.verifyDataWithHmacWithSha256(freshData, key))
Console.Out.WriteLine("Freshly-signed data signature verification: VERIFIED");
else
Console.Out.WriteLine("Freshly-signed data signature verification: FAILED");
}
/// <summary>
/// Create a new HmacWithSha256Signature with a copy of the fields in the given
/// signature object.
/// </summary>
///
/// <param name="signature">The signature object to copy.</param>
public HmacWithSha256Signature(HmacWithSha256Signature signature)
{
this.signature_ = new Blob();
this.keyLocator_ = new ChangeCounter(
new KeyLocator());
this.changeCount_ = 0;
signature_ = signature.signature_;
keyLocator_.set(new KeyLocator(signature.getKeyLocator()));
}
/// <summary>
/// Create a new HmacWithSha256Signature with a copy of the fields in the given
/// signature object.
/// </summary>
///
/// <param name="signature">The signature object to copy.</param>
public HmacWithSha256Signature(HmacWithSha256Signature signature)
{
this.signature_ = new Blob();
this.keyLocator_ = new ChangeCounter(
new KeyLocator());
this.changeCount_ = 0;
signature_ = signature.signature_;
keyLocator_.set(new KeyLocator(signature.getKeyLocator()));
}
