Yay for removing the dependency on PyCrypto! This would allow these Twisted tickets to be closed: * https://twistedmatrix.com/trac/ticket/4633# allow applications to "bring their own crypto" to avoid the dependency of conch on PyCrypto * https://twistedmatrix.com/trac/ticket/5577# Using manhole_tap ends up requiring pycryto, even though only using telnet manhole * https://twistedmatrix.com/trac/ticket/5805# twisted.test.test_strcred fails on Python without pycrypto And this Tahoe-LAFS tickets: * https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2094# rebuild (if necessary) PyCrypto eggs to use libgmp >= 5, to mitigate RSA timing attack Possibly also this Tahoe-LAFS ticket: * https://tahoe-lafs.org/trac/tahoe-lafs/ticket/774# pycrypto package is required for manhole And it allows us to remove this warning label about potential timing attacks against the SFTP connection: https://tahoe-lafs.org/trac/tahoe-lafs/browser/trunk/docs/frontends/FTP-and-... Regards, Zooko