void
IpmiPayload::deserializeEncryptedRmcpp(ByteVector& outData, const ByteVector& key, const ByteVector& in, size_t& pos)
{
// deserialize payload
deserializeRmcpp(outData, in, pos);
// strip IV from payload
ByteVector iv(outData.c_ptr(), 16);
outData.erase(outData.begin(), outData.begin() + 16);
// decrypt payload
ByteVector decryptedPayload;
CryptoProxy::getInstance()->decrypt(key, iv, outData, decryptedPayload);
// verify padding
byte_t padLength = decryptedPayload[decryptedPayload.length() - 1];
const byte_t* pad = decryptedPayload.c_ptr(decryptedPayload.length() - padLength -1);
for (byte_t i = 1; i <= padLength; ++i, ++pad)
{
if (*pad != i)
throw runtime_error("Incorrect padding on incoming encrypted message");
}
// strip padding
outData.assign(decryptedPayload.begin(), decryptedPayload.end() - padLength -1);
}
