private static (byte[] CipherText, byte[] IV) EncryptData(byte[] data, byte[] key)
{
Aes aes;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
aes = new AesCng();
}
else
{
aes = new AesManaged();
}
aes.Key = key;
var iv = RandomNumberOracle.GetRandomBytes(16);
aes.IV = iv;
using var encryptor = aes.CreateEncryptor();
byte[] cipherText = encryptor.TransformFinalBlock(data, 0, data.Length);
//Log.Verbose($"Encrypting message with key: {key.ToHashedHexString()}");
//Log.Verbose($"Encrypting message with IV: {aes.IV.ToHashedHexString()}");
//Log.Verbose($"Cipher text: {cipherText.ToHashedHexString()}");
//Log.Verbose($"Plaintext: {data.ToHashedHexString()}");
aes.Dispose();
return(cipherText, iv);
}
internal TrustZoneSharedKey(string trustZoneName, DateTime validFrom, DateTime validTo)
{
TrustZoneName = trustZoneName;
AesKey = RandomNumberOracle.GetRandomBytes(SharedKeyByteSize);
ValidFrom = validFrom;
ValidTo = validTo;
}
