On Monday, September 10, 2018 at 8:33:20 PM UTC-4, Jeffrey Walton wrote: > > > > On Monday, September 10, 2018 at 1:57:18 AM UTC-4, mark Gu wrote: >> >> Hi, I update from 5.6.2。 >> >> I encrypted sometext ,using DefaultEncryptorWithMAC(5.6.2). When I >> decrypt using LegacyDecryptorWithMAC(6.1), a expection throwed: >> DataDecryptorWithMAC: MAC check failed >> >> It seems DefaultDecryptorWithMAC(5.6.2) is not compatible with >> LegacyDecryptorWithMAC(6.1)。 >> >> I notice that in "default.h" 255~256 line >> >> typedef >> DataEncryptorWithMAC<LegacyBlockCipher,LegacyHashModule,DefaultMAC,LegacyParametersInfo> >> >> LegacyEncryptorWithMAC; >> typedef >> DataDecryptorWithMAC<LegacyBlockCipher,LegacyHashModule,DefaultMAC,LegacyParametersInfo> >> >> LegacyDecryptorWithMAC; >> >> They use DefaultMAC, rather than LegacyMAC, it seems like a bug. >> > > Thanks Mark. > > Yeah, that may be a problem. Looking at 5.6.2 the old encryptors used SHA1 > (5.6.2 release: https://github.com/weidai11/cryptopp/blob/789f81f048c9). >
Thanks again Mark. Yeah, we (me) screwed that up. Sigh... Now open "LegacyDecryptor and LegacyDecryptorWithMAC use wrong MAC", https://github.com/weidai11/cryptopp/issues/714 . 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
