saymrwulf/curve25519-dalek-source
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18 commits

Author SHA1 Message Date
Henry de Valence
1febf3f753 Add an invsqrt_ratio function. 2017-02-22 20:59:50 -08:00
Henry de Valence
a202f36916 Rewrite invsqrt to avoid using an Option type. 2017-02-22 16:24:11 -08:00
Henry de Valence
a415caa9fb Add a seperate invsqrt function. 
This code isn't constant-time, but maybe should be.  However that would
prevent a bunch of nice things (e.g., Option types).  Probably good to
think about this.
 2017-02-21 13:38:58 -08:00
Henry de Valence
ee5958c407 Add is_[non]negative_decaf functions. 
Computes whether a point is nonnegative in the same way as Mike Hamburg's code.
 2017-02-21 13:37:50 -08:00
Henry de Valence
3fc5f75300 Rename is_negative to is_negative_ed25519 2017-02-21 13:23:57 -08:00
Henry de Valence
cb4ff3097c Add FieldElement::is_zero() 2017-02-21 13:23:10 -08:00
Isis Lovecruft
e4d041836e
Move load3 and load4 to new utils module and remove #[allow(dead_code)]. 2017-02-21 06:15:08 +00:00
Isis Lovecruft
6f67a7d716
Rename util module to subtle. 
* CHANGE subtle module documentation slightly to clarify the module's purpose.
 * FIXES issue #25.
 2017-02-21 06:01:22 +00:00
Isis Lovecruft
b1afdf5204
Implement CTEq for FieldElement. 2017-02-21 05:44:35 +00:00
Isis Lovecruft
51f59565f5
Typo fix; Negateable → Negatable. 
* Fixup on #22.
 2017-02-21 04:15:15 +00:00
Henry de Valence
8a1c13ef49 Make a CTNegateable trait with a generic impl for better ergonomics 2017-02-20 15:30:59 -08:00
Henry de Valence
5f4de0074d Add a conditional negation function. 2017-02-20 15:30:59 -08:00
Isis Lovecruft
5f70ab55f8
Obsessive compulsive whitespace fix. 2017-02-20 01:58:56 +00:00
Isis Lovecruft
d88b6c01c4
Merge remote-tracking branch 'tarcieri/no-std' into develop 2017-01-27 02:13:04 +00:00
Tony Arcieri
d08bc7395e Add #![no_std] (fixes #16) 
Use ::core in lieu of ::std, allowing this crate to be usable in #![no_std]
environments.

Gates features that presently depend on ::std (presently just rand) behind a
"std" cargo feature, which is enabled by default.
 2017-01-18 15:16:01 -08:00
Henry de Valence
74049e039e Make FieldElement's conditional_assign a trait impl 2017-01-06 12:34:57 -05:00
Henry de Valence
c92ebdd0ac Remove unused conditional_choose function 2017-01-06 12:29:24 -05:00
Isis Lovecruft
387a56fe2c
Initial commit. 2016-12-08 05:12:00 +00:00