private AttributeList DecryptCurrentUserReceipt(ReceiptDO receipt, AsymmetricCipherKeyPair keyPair)
{
byte[] unwrappedKey = UnwrapKey(receipt.wrapped_receipt_key, keyPair);
byte[] otherPartyProfileContentBytes = Conversion.Base64ToBytes(receipt.other_party_profile_content);
EncryptedData encryptedData = EncryptedData.Parser.ParseFrom(otherPartyProfileContentBytes);
byte[] iv = encryptedData.Iv.ToByteArray();
byte[] cipherText = encryptedData.CipherText.ToByteArray();
byte[] decipheredBytes = CryptoEngine.DecipherAes(unwrappedKey, iv, cipherText);
return(AttributeList.Parser.ParseFrom(decipheredBytes));
}
