On Sat, May 20, 2023 at 3:00 PM Tom <thomasb9...@gmail.com> wrote:
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> calling `FileSource fs("zero.dat", true);` seems to allocate the memory.Try the overload which takes a std::istream reference: https://www.cryptopp.com/wiki/FileSource Jeff > On Wednesday, September 8, 2021 at 7:24:28 PM UTC-4 Jeffrey Walton wrote: >> >> On Wed, Sep 8, 2021 at 6:46 AM Jeffrey Walton <nolo...@gmail.com> wrote: >> > >> > On Tue, Sep 7, 2021 at 7:45 AM Tom <thoma...@gmail.com> wrote: >> > > >> > > I can create HMACs of files using pipelines via filesources but... I >> > > can't seem to figure out to verify the HMAC without throwing the file >> > > into a string in memory. >> > > >> > > like this: >> > > >> > > StringSource(plain + mac, true, new HashVerificationFilter(hmac, NULL, >> > > flags) ); // StringSource >> > > >> > > Is there a way to use a FileSource without loading the file fully into >> > > memory? >> > > >> > > I think its possible but do I append the hmac if I use a file? >> > >> > Yeah, that's a problem. We should have some documentation covering it. >> >> Here is the documentation: >> https://www.cryptopp.com/wiki/HashVerificationFilter#String_and_File_Sources >> -- You received this message because you are subscribed to the Google Groups "Crypto++ Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to cryptopp-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cryptopp-users/CAH8yC8kjCAayyejfQtnMLVcZ9NGSheCYPb%2BHTQQCn5%3DxMbLruw%40mail.gmail.com.
