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133 commits

Author SHA1 Message Date
Isis Lovecruft
26a77cd7f3
Feature-gate box syntax on both std and basepoint_table_creation. 2017-03-14 03:21:32 +00:00
Isis Lovecruft
f6930997d2
Make #[feature(test)] depend on #[cfg(all(test, feature = "bench"))]. 
* FIXES Issue #38:
   https://github.com/isislovecruft/curve25519-dalek/pull/38
 2017-03-14 01:59:08 +00:00
Isis Lovecruft
ba9d3be011
Merge remote-tracking branch 'isislovecruft/develop' into develop 2017-03-13 23:49:13 +00:00
Henry de Valence
f80754a954 Further rename fixups in benchmark test names 2017-03-13 16:38:05 -07:00
Henry de Valence
b75a88458a Add monte carlo test for FieldElements 2017-03-13 16:38:05 -07:00
Henry de Valence
d6465ccd5e Fix remaining compile errors for radix_51 2017-03-13 16:38:05 -07:00
Isis Lovecruft
10fa989883
Print "CompressedEdwardsY" in Debug impl, not "CompressedPoint". 2017-03-13 23:29:13 +00:00
Henry de Valence
2610ab872a Feature-gate basepoint table creation on a nightly feature 2017-03-13 16:28:52 -07:00
Henry & Isis
049556147f Add wrapper for basepoint precomputations for decaf 2017-03-13 15:50:44 -07:00
Henry & Isis
c873f725a5 Rename BasepointTable as EdwardsBasepointTable. 2017-03-13 15:50:43 -07:00
Henry de Valence
e757959bb8 Add benchmark for basepoint table creation 2017-03-13 15:50:43 -07:00
Henry de Valence
a4ed8e2b81 Use box syntax instead of an unsafe block 2017-03-13 15:50:43 -07:00
Henry de Valence
640f40287f Wrap the existing basepoint table as a BasepointTable 2017-03-13 15:50:43 -07:00
Henry de Valence
05fa1318b9 First work on dynamic basepoint table generation 2017-03-13 15:50:41 -07:00
Henry & Isis
7a2ea44ce6 Test multiplication by basepoint order 2017-03-13 15:49:18 -07:00
Henry de Valence
80d4566853 Merge remote-tracking branch 'tarcieri/nostd-cleanups' into develop 2017-03-13 15:00:20 -07:00
Tony Arcieri
384cf1df31 no_std import cleanups 
- Gate no_std on the "std" feature
- Import core when std is present
- Import collections when std is absent
- Add a placeholder gated "use" directive for Box in curve.rs
 2017-03-08 00:19:08 -08:00
Henry de Valence
ab6d32efe1 Make functions pub to suppress dead code warnings 2017-03-07 23:03:48 -08:00
Henry de Valence
0e9dc1d38d Remove warnings about unused variables 
These bindings are shadowed by the later let statements, so they're considered unused.
 2017-03-07 23:01:49 -08:00
Henry de Valence
3f208359b3 Merge branch 'feature/test-reorg' into develop 2017-03-07 22:20:22 -08:00
Henry de Valence
b61ed818b8 Remove all remaining warnings 2017-03-07 01:37:31 -08:00
Henry de Valence
e446bc8a1f The identity point is already in EIGHT_TORSION 2017-03-07 00:58:32 -08:00
Henry de Valence
cf24cb8900 Also test points that are not the identity 2017-03-07 00:58:32 -08:00
Henry de Valence
47143e9114 Rewrite conditional assignment test for AffineNielsPoints 2017-03-07 00:58:32 -08:00
Henry de Valence
9414a2f4db Remove old tests that aren't so useful any more 2017-03-07 00:49:21 -08:00
Henry de Valence
78fe9c490d Eliminate BASE_CMPRSSD or rename it to constants::BASE_CMPRSSD and do misc cleanup 2017-03-07 00:48:36 -08:00
Henry de Valence
94416eb1cb Clean decompression_sign_handling 2017-03-07 00:11:47 -08:00
Henry de Valence
b5b0ac7628 Add doc comments to test vectors 2017-03-07 00:11:16 -08:00
Henry de Valence
0585af6c68 Move sqrt(-(A+2)) test to constants.rs 2017-03-07 00:03:59 -08:00
Henry de Valence
3a9ee16a30 Remove test_ prefix from test functions in curve.rs 2017-03-06 23:59:49 -08:00
Henry de Valence
31c350b6f2 Split benchmarks into their own module 2017-03-06 23:53:38 -08:00
Isis Lovecruft
9f0c6c86f3
Change another unittest compress() to compress_edwards(). 2017-03-07 01:33:38 +00:00
Henry & Isis
e5f5dea444 Rename to_{cached,precomputed} to to_{projective,affine}_niels 2017-03-05 15:27:26 -08:00
Isis Lovecruft
9171a03894
Merge branch 'feature/rename-compress' into develop 2017-03-04 05:52:57 +00:00
Isis Lovecruft
b81f84bee8
Merge branch 'feature/montgomery-x-format_r1' into develop 2017-03-04 05:48:12 +00:00
Isis Lovecruft
2c83d48cfa
Demote a docstring note to inline code comment to avoid confusing users. 2017-03-04 05:29:19 +00:00
Isis Lovecruft
20ace8da48
Rename compress() to compress_edwards(). 2017-03-04 03:41:47 +00:00
Isis Lovecruft
cfd0e8ad6e
Add method for recovery of Edwards x-coordinate given Montgomery (u, v). 
This function is necessary for matching Signal's hash_to_point() behaviour.
 2017-03-04 03:39:58 +00:00
Isis Lovecruft
b9de92aeaf
Add benchmarks for Edwards-Y and Mongomery-U decompression. 2017-03-04 03:39:57 +00:00
Isis Lovecruft
915f41c643
Fixup CompressedMontgomeryU::decompress() and ensure no divide-by-zeroes. 
Also, match Signal behaviour, and split off recovery of other
coordinates into separate functions.
 2017-03-04 03:39:56 +00:00
Isis Lovecruft
5edd8d6d26
Merge remote-tracking branch 'hdevalence/feature/montgomery-x-format_r1' into develop 2017-03-04 02:40:17 +00:00
Isis Lovecruft
1c9637490c
Obsessive whitespace fix. 2017-03-04 02:00:59 +00:00
Henry de Valence
5d3d114628 fixup! Properly handle exceptional points. 2017-02-27 23:15:39 -08:00
Henry de Valence
db53b58e89 Properly handle exceptional points. 2017-02-27 21:13:24 -08:00
Henry de Valence
19d452c2dc Test decompressing an invalid montgomery point 2017-02-27 13:42:13 -08:00
Henry de Valence
45fbcb45f6 First notes and code on Montgomery conversion 2017-02-27 13:41:50 -08:00
Henry de Valence
1dac2f53bb Implement Identity for CompressedEdwardsY 2017-02-26 15:25:05 -08:00
Henry de Valence
2cef5fcecd Add CompressedEdwardsY::as_bytes 2017-02-26 15:25:05 -08:00
Isis Lovecruft
e6b7192d5e
Merge branch 'feature/rename-niels-point' into develop 2017-02-25 01:26:33 +00:00
Isis Lovecruft
a649ea38ee
Rename {PreComputed,Cached}Point → {Affine,Projective}NielsPoint. 
* FIXES Issue #28: https://github.com/isislovecruft/curve25519-dalek/issues/28
 2017-02-25 00:47:06 +00:00
Henry de Valence
d450659b7f Rewrite CompressedEdwardsY::decompress() to use FieldElement::sqrt_ratio 2017-02-22 20:59:51 -08:00
Henry & Isis
f52e2ee37e Create BasepointMult and ScalarMult traits. 2017-02-21 13:38:59 -08:00
Henry de Valence
eec7747be7 Move Decaf code to decaf.rs 2017-02-21 13:38:59 -08:00
Henry de Valence
f18ebe9430 First draft of decaf decompression 2017-02-21 13:38:58 -08:00
Henry de Valence
3fc5f75300 Rename is_negative to is_negative_ed25519 2017-02-21 13:23:57 -08:00
Henry de Valence
ee5ea0a013 Make double functions public 2017-02-21 13:23:11 -08:00
Henry de Valence
dd23a48ade Make ExtendedPoint attrs pub as we need them in constants.rs 2017-02-21 13:23:11 -08:00
Henry de Valence
79afc6bd0f Add debugging checks to test if points are on the curve 2017-02-21 13:23:10 -08:00
Isis Lovecruft
44e7d500db
Remove unused import of PartialEq and Eq in curve module. 2017-02-21 21:01:58 +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
3eb5dcaae7
Implement CTEq for ExtendedPoint. 2017-02-21 05:45:37 +00:00
Isis Lovecruft
1381e07ffb
Implement a method for determining if an element is the identity. 
This corresponds to ge_isneutral() in Open Whispersystems' ed25519 library.
 2017-02-21 05:43:20 +00:00
Isis Lovecruft
03589dff43
Add method for determining if an ExtendedPoint is of small order. 2017-02-21 05:41:16 +00:00
Isis Lovecruft
51f59565f5
Typo fix; Negateable → Negatable. 
* Fixup on #22.
 2017-02-21 04:15:15 +00:00
Henry de Valence
dc5621f527 Use conditional_negate in select_precomputed_point 2017-02-20 15:30:59 -08:00
Henry de Valence
eaa5d3e595 Derive Eq, PartialEq for CompressedEdwardsY 2017-02-19 17:39:48 -05:00
Isis Lovecruft
366e9029bf
Rename a CompressedPoint from #17 to CompressedEdwardsY (from #6). 2017-01-27 02:15:31 +00:00
Isis Lovecruft
d88b6c01c4
Merge remote-tracking branch 'tarcieri/no-std' into develop 2017-01-27 02:13:04 +00:00
Isis Lovecruft
0c14f58797
Merge remote-tracking branch 'burdges/patch-1' into develop 2017-01-27 00:40:32 +00:00
Isis Lovecruft
1d964fa4b7
Merge remote-tracking branch 'hdevalence/feature/seperate-constants-file' into develop 2017-01-27 00:15:31 +00:00
Jeff Burdges
b96281ab12 Link needs http://www. 2017-01-23 00:29:02 -05:00
Isis Lovecruft
39f417f75e
Merge remote-tracking branch 'hdevalence/feature/move-ct-traits' into develop 2017-01-20 21:51:19 +00:00
Isis Lovecruft
6d2ab84d38
Merge remote-tracking branch 'hdevalence/feature/add-mult-cofactor-fn' into develop 2017-01-19 23:37:50 +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
187d4d3c09 Make some conversions public 2017-01-09 16:15:23 -05:00
Henry de Valence
6559e1de37 Derive Eq for PreComputedPoints 2017-01-09 16:15:22 -05:00
Henry de Valence
d94edc6a36 Move compressed basepoint into constants 
Would be good to have the basepoint itself, but this doesn't seem possible: the
fields of an ExtendedPoint are not public, so we can't construct them outside
of curve.rs (by design, to prevent constructing invalid points).  Maybe const
fn support could change this.
 2017-01-09 16:15:22 -05:00
Henry de Valence
ff9e78572c Add a way to construct precomputed points 2017-01-09 16:15:22 -05:00
Henry de Valence
098ff2ffca Move CTAssignable trait to util.rs from curve.rs 2017-01-06 12:26:43 -05:00
Henry de Valence
4a5d7052a9 Add convenience wrapper around mult_by_pow_2 to clear cofactor 2017-01-06 10:47:05 -05:00
Henry de Valence
d1599410ee Rename CompressedPoint -> CompressedEdwardsY 
This allows other compression formats (e.g., CompressedMontgomeryX).
 2016-12-23 17:50:24 -08:00
Henry de Valence
71bf0d5e53 Remove port of Montgomery conversion from Adam's code 
This should be brought back later as part of reworking the compressed
point formats / serialization code.  Right now there's just
"CompressedPoint" which is in the ed25519 format.  Ideally, users should
be able to serialize points to formats used for X25519, for decaf, etc.
and not have to worry too much about the internal model.
 2016-12-09 14:49:27 -08:00
Isis Lovecruft
387a56fe2c
Initial commit. 2016-12-08 05:12:00 +00:00