codex-storage/constantine
1
0
Fork 0
mirror of https://github.com/codex-storage/constantine.git synced 2025-01-14 04:54:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix mux comment and link

Browse Source
This commit is contained in:
Mamy André-Ratsimbazafy 2020-02-23 02:23:19 +01:00
parent dc46e86490
commit 05009f9407
No known key found for this signature in database
GPG Key ID: 7B88AD1FE79492E1
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
constantine/primitives/constant_time.nim
View File

@ -215,10 +215,9 @@ template mux*[T: Ct](ctl: CTBool[T], x, y: T): T =
## So equivalent to ctl? x: y
#
# TODO verify assembly generated
# as mentioned in https://cryptocoding.net/index.php/Coding_rules
# the alternative `(x and ctl) or (y and -ctl)`
# is optimized into a branch by Clang :/
# See also: https://www.cl.cam.ac.uk/~rja14/Papers/whatyouc.pdf
# Alternatives:
# - https://cryptocoding.net/index.php/Coding_rules
# - https://www.cl.cam.ac.uk/~rja14/Papers/whatyouc.pdf
#
# TODO: assembly fastpath for conditional mov
let # Templates duplicate input params code