public static byte[] KeyEncryptionKey(byte[] sharedSecret, byte[] ephemeralSharedSecret, byte[] salt)
{
byte[] inputKeyingMaterial = Utilities.ConcatArrays(sharedSecret, ephemeralSharedSecret);
byte[] keyEncryptionKey = Blake2.KeyDerivation(inputKeyingMaterial, salt, Constants.EncryptionKeyLength);
Utilities.ZeroArray(ephemeralSharedSecret);
Utilities.ZeroArray(inputKeyingMaterial);
return(keyEncryptionKey);
}
public static byte[] KeyEncryptionKey(byte[] sharedSecret, byte[] ephemeralSharedSecret, byte[] salt)
{
byte[] inputKeyingMaterial = Arrays.Concat(sharedSecret, ephemeralSharedSecret);
byte[] keyEncryptionKey = Blake2.KeyDerivation(inputKeyingMaterial, salt, Constants.EncryptionKeyLength);
CryptographicOperations.ZeroMemory(ephemeralSharedSecret);
CryptographicOperations.ZeroMemory(inputKeyingMaterial);
return(keyEncryptionKey);
}
public static byte[] KeyEncryptionKey(byte[] ephemeralSharedSecret, byte[] salt)
{
byte[] keyEncryptionKey = Blake2.KeyDerivation(ephemeralSharedSecret, salt, Constants.EncryptionKeyLength);
Utilities.ZeroArray(ephemeralSharedSecret);
return(keyEncryptionKey);
}
public static byte[] KeyEncryptionKey(byte[] ephemeralSharedSecret, byte[] salt)
{
byte[] keyEncryptionKey = Blake2.KeyDerivation(ephemeralSharedSecret, salt, Constants.EncryptionKeyLength);
CryptographicOperations.ZeroMemory(ephemeralSharedSecret);
return(keyEncryptionKey);
}