/// <summary>
/// Create a new Sha256WithEcdsaSignature with a copy of the fields in the given
/// signature object.
/// </summary>
///
/// <param name="signature">The signature object to copy.</param>
public Sha256WithEcdsaSignature(Sha256WithEcdsaSignature 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 Sha256WithEcdsaSignature with a copy of the fields in the given
/// signature object.
/// </summary>
///
/// <param name="signature">The signature object to copy.</param>
public Sha256WithEcdsaSignature(Sha256WithEcdsaSignature signature)
{
this.signature_ = new Blob();
this.keyLocator_ = new ChangeCounter(
new KeyLocator());
this.validityPeriod_ = new ChangeCounter(
new ValidityPeriod());
this.changeCount_ = 0;
signature_ = signature.signature_;
keyLocator_.set(new KeyLocator(signature.getKeyLocator()));
}
/// <summary>
/// Return a new Signature object based on the signature algorithm of the
/// public key with keyName (derived from certificateName).
/// </summary>
///
/// <param name="certificateName">The certificate name.</param>
/// <param name="digestAlgorithm"></param>
/// <returns>A new object of the correct subclass of Signature.</returns>
private Signature makeSignatureByCertificate(Name certificateName,
DigestAlgorithm[] digestAlgorithm)
{
Name keyName = net.named_data.jndn.security.certificate.IdentityCertificate
.certificateNameToPublicKeyName(certificateName);
PublicKey publicKey = privateKeyStorage_.getPublicKey(keyName);
KeyType keyType = publicKey.getKeyType();
if (keyType == net.named_data.jndn.security.KeyType.RSA) {
Sha256WithRsaSignature signature = new Sha256WithRsaSignature();
digestAlgorithm[0] = net.named_data.jndn.security.DigestAlgorithm.SHA256;
signature.getKeyLocator().setType(net.named_data.jndn.KeyLocatorType.KEYNAME);
signature.getKeyLocator().setKeyName(certificateName.getPrefix(-1));
return signature;
} else if (keyType == net.named_data.jndn.security.KeyType.ECDSA) {
Sha256WithEcdsaSignature signature_0 = new Sha256WithEcdsaSignature();
digestAlgorithm[0] = net.named_data.jndn.security.DigestAlgorithm.SHA256;
signature_0.getKeyLocator().setType(net.named_data.jndn.KeyLocatorType.KEYNAME);
signature_0.getKeyLocator().setKeyName(certificateName.getPrefix(-1));
return signature_0;
} else
throw new SecurityException("Key type is not recognized");
}
