Re: reinterpret_cast<byte*> truncating to 8

On Tuesday, March 9, 2021 at 3:45:47 PM UTC-5 [email protected] wrote:

> Thank you for your reply.
>
> I am following this example - 
> https://www.cryptopp.com/wiki/XChaCha20Poly1305
>
> and trying to use std::string instead of byte
>
> instead of using byte array for ct like this
> dec.DecryptAndVerify(rt, mac, sizeof(mac), iv, sizeof(iv), aad, 
> sizeof(aad), ct, sizeof(ct));
>
> I am trying to use string like this
>
> std::string cipher;
>
> StringSource(ct, *sizeof*(ct), *true*, *new* HexEncoder(*new* 
> StringSink(cipher)));
>
> *const* byte* xct = *reinterpret_cast*<*const* byte*>(cipher.data());
>
> dec.DecryptAndVerify(rt, mac, sizeof(mac), iv, sizeof(iv), aad, 
> sizeof(aad), xct, *sizeof*(xct));
>

 dec.DecryptAndVerify(rt, mac, sizeof(mac), iv, sizeof(iv), aad, 
sizeof(aad), xct, cipher.size());

Jeff

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