Hopefully it will not impact BouncyCastle interoperability. Now - also Botan interoperability.
Sent from my test iPhone > On Jul 1, 2019, at 19:00, Jeffrey Walton <noloa...@gmail.com> wrote: > > > >> On Monday, July 1, 2019 at 6:48:57 PM UTC-4, Mouse wrote: >> If memory serves, ECIES standard required ^authenticated* encryption. That >> means - null hash wasn't allowed. >> >> Besides, there's Moxy Marlinspike principle: "If you don't enforce >> integrity, sooner or later you'll lose confidentiality as well." >> >> Having said that, I don't recall why that particular change was made, and am >> willing to experiment to see what would happen if it's replaced with >> MAC::DEFAULT_KEYLENGTH (but we'll need to review the algorithm to recall >> what is doing there!). > > We have test cases for ECIES in validat8.cpp > (https://github.com/weidai11/cryptopp/blob/master/validat8.cpp), but we don't > have one for the Null hash. Based on the test cases, I think we should be OK > to use MAC::DEFAULT_KEYLENGTH. > > Jeff > -- > You received this message because you are subscribed to "Crypto++ Users". > More information about Crypto++ and this group is available at > http://www.cryptopp.com and > http://groups.google.com/forum/#!forum/cryptopp-users. > --- > 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/e7fa1c0d-a955-412d-9f25-825af2899fd5%40googlegroups.com. -- You received this message because you are subscribed to "Crypto++ Users". More information about Crypto++ and this group is available at http://www.cryptopp.com and http://groups.google.com/forum/#!forum/cryptopp-users. --- 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/EDF6CD04-D4A4-4D13-9873-67B143725FFC%40gmail.com.