/// <summary>
/// Create a component of type ImplicitSha256DigestComponent, so that
/// isImplicitSha256Digest() is true.
/// </summary>
///
/// <param name="digest">The SHA-256 digest value.</param>
/// <returns>The new Component.</returns>
/// <exception cref="EncodingException">If the digest length is not 32 bytes.</exception>
public static Name.Component fromImplicitSha256Digest(Blob digest)
{
if (digest.size() != 32)
throw new EncodingException(
"Name.Component.fromImplicitSha256Digest: The digest length must be 32 bytes");
Name.Component result = new Name.Component (digest);
result.type_ = net.named_data.jndn.Name.Component.ComponentType.IMPLICIT_SHA256_DIGEST;
return result;
}
/// <summary>
/// Decrypt dKeyData.
/// </summary>
///
/// <param name="dKeyData">The D-KEY data packet.</param>
/// <param name="onPlainText_0"></param>
/// <param name="onError_1">This calls onError.onError(errorCode, message) for an error.</param>
internal void decryptDKey(Data dKeyData, Consumer.OnPlainText onPlainText_0,
net.named_data.jndn.encrypt.EncryptError.OnError onError_1)
{
// Get the encrypted content.
Blob dataContent = dKeyData.getContent();
// Process the nonce.
// dataContent is a sequence of the two EncryptedContent.
EncryptedContent encryptedNonce = new EncryptedContent();
try {
encryptedNonce.wireDecode(dataContent);
} catch (EncodingException ex) {
try {
onError_1.onError(net.named_data.jndn.encrypt.EncryptError.ErrorCode.InvalidEncryptedFormat,
ex.Message);
} catch (Exception exception) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onError", exception);
}
return;
}
Name consumerKeyName = encryptedNonce.getKeyLocator().getKeyName();
// Get consumer decryption key.
Blob consumerKeyBlob;
try {
consumerKeyBlob = getDecryptionKey(consumerKeyName);
} catch (ConsumerDb.Error ex_2) {
try {
onError_1.onError(net.named_data.jndn.encrypt.EncryptError.ErrorCode.NoDecryptKey,
"Database error: " + ex_2.Message);
} catch (Exception exception_3) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onError", exception_3);
}
return;
}
if (consumerKeyBlob.size() == 0) {
try {
onError_1.onError(net.named_data.jndn.encrypt.EncryptError.ErrorCode.NoDecryptKey,
"The desired consumer decryption key in not in the database");
} catch (Exception exception_4) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onError", exception_4);
}
return;
}
// Process the D-KEY.
// Use the size of encryptedNonce to find the start of encryptedPayload.
ByteBuffer encryptedPayloadBuffer = dataContent.buf().duplicate();
encryptedPayloadBuffer.position(encryptedNonce.wireEncode().size());
Blob encryptedPayloadBlob_5 = new Blob(encryptedPayloadBuffer,
false);
if (encryptedPayloadBlob_5.size() == 0) {
try {
onError_1.onError(net.named_data.jndn.encrypt.EncryptError.ErrorCode.InvalidEncryptedFormat,
"The data packet does not satisfy the D-KEY packet format");
} catch (Exception ex_6) {
logger_.log(ILOG.J2CsMapping.Util.Logging.Level.SEVERE, "Error in onError", ex_6);
}
return;
}
// Decrypt the D-KEY.
Consumer.OnPlainText callerOnPlainText_7 = onPlainText_0;
decrypt(encryptedNonce, consumerKeyBlob, new Consumer.Anonymous_C0 (callerOnPlainText_7, encryptedPayloadBlob_5, onError_1), onError_1);
}
