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2017 Apr 06
5
[Bug 2704] New: Avoid passing pointers between processes
...Component: sshd Assignee: unassigned-bugs at mindrot.org Reporter: brooks at freebsd.org Created attachment 2972 --> https://bugzilla.mindrot.org/attachment.cgi?id=2972&action=edit Patch to pass ciphers by name rather than by virtual address The newkeys_(from|to)_blob() functions currently pass a pointer to the static cipher structure between processes. This works as long as pointers are opaque integer data. With upcoming pointer integrity schemes such as CHERI (which ensures pointer derivations are valid with hardware tags) this no longer works and the pointe...