/// <summary>
///
/// The encryption format is a JSON-encoded EcEncryptedMessageAesCbcHmacSha256.
/// </summary>
/// <param name="value">The value to store encrypted.</param>
/// <param name="publicKeyAsByteArray">The public key used to encrypt the value.</param>
public void Write(byte[] value, byte[] publicKeyAsByteArray)
{
using (Encryption.IPublicKey publicKey = Encryption.GetPublicKeyFromByteArray(publicKeyAsByteArray))
{
Write(value, publicKey);
}
}
/// <summary>
/// Creates an encrypted message
/// </summary>
/// <param name="recipientsPublicKey">The public portion of the message recpient's assymetric key.</param>
/// <param name="plaintextMessageAsByteArray">The message to encrypt.</param>
public EcEncryptedMessageAesCbcHmacSha256(
byte[] plaintextMessageAsByteArray, Encryption.IPublicKey recipientsPublicKey = null)
{
PublicOneTimeEcKey = null;
EncryptedMessage = plaintextMessageAsByteArray;
//byte[] sessionKey;
//using (CngKey oneTimeEcCngKey = CngKey.Create(CngAlgorithm.ECDiffieHellmanP256))
//{
// using (ECDiffieHellmanCng oneTimeEcKey = new ECDiffieHellmanCng(oneTimeEcCngKey))
// {
// PublicOneTimeEcKey = oneTimeEcKey.PublicKey.ToByteArray();
// sessionKey = oneTimeEcKey.DeriveKeyMaterial(recipientsPublicKey);
// }
//}
//EncryptedMessage = Encryption.EncryptAesCbc(plaintextMessageAsByteArray, sessionKey, addHmac: true);
}
public void Write(T value, Encryption.IPublicKey publicKey) => Write(JsonConvert.SerializeObject(value), publicKey);
public void Write(string value, Encryption.IPublicKey publicKey) => Write(Encoding.UTF8.GetBytes(value), publicKey);
public void Write(byte[] value, Encryption.IPublicKey publicKey)
{
Ciphertext = JsonConvert.SerializeObject(
new EcEncryptedMessageAesCbcHmacSha256(value, publicKey));
}
public EcEncryptedMessageAesCbcHmacSha256(
byte[] plaintextMessageAsByteArray, Encryption.IPublicKey recipientsPublicKey = null)
{
PublicOneTimeEcKey = null;
EncryptedMessage = plaintextMessageAsByteArray;
}
