On Thu, 30 Mar 2023, Damien Miller wrote: >> >+ return (uint64_t)1 << (c->block_size * 2); >> >> … this get an upper bound? This is UB for 256-bit blocksizes >> at least… > >block sizes in struct sshcipher are in bytes, not bits Yes, exactly. 256 bit = 32 bytes; 32*2 = 64; (uint64_t)1 << 64 is UB. bye, //mirabilos -- Infrastrukturexperte • tarent solutions GmbH Am Dickobskreuz 10, D-53121 Bonn • http://www.tarent.de/ Telephon +49 228 54881-393 • Fax: +49 228 54881-235 HRB AG Bonn 5168 • USt-ID (VAT): DE122264941 Geschäftsführer: Dr. Stefan Barth, Kai Ebenrett, Boris Esser, Alexander Steeg **************************************************** /⁀\ The UTF-8 Ribbon ╲ ╱ Campaign against Mit dem tarent-Newsletter nichts mehr verpassen: ╳ HTML eMail! Also, https://www.tarent.de/newsletter ╱ ╲ header encryption! **************************************************** _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev