2 Commits
Author SHA1 Message Date
Paul KehrerandGitHub 267fb94478 Remove use of deprecated verifier with cryptography (#9105)
This was deprecated in version 2.1 and cryptography will be
removing it soon. The replacement function is available in all
versions of cryptography that certbot supports (2.1+)
2021-11-23 10:18:22 -08:00
Paul KehrerandBrad Warren 366c50e28e switch signature verification to use pure cryptography (#6000)
* switch signature verification to use pure cryptography

On systems that prevent write/execute pages this prevents a segfault
that is caused by pyopenssl creating a dynamic callback in the
verification helper.

* switch to using a verifier for older cryptography releases

also add ec support, test vectors, and a test
2018-05-18 09:10:41 -07:00