Henry de Valence
b48d568f47
Add debug_assert that Scalar::batch_invert inputs are nonzero
2018-03-22 11:32:00 -07:00
Henry de Valence
0e7d872ad0
Add batch inversion for Scalars
2018-03-22 11:32:00 -07:00
Henry de Valence
792ac0775e
Change to the updated subtle API.
2018-03-22 11:13:26 -07:00
Henry de Valence
c5fcc6602d
Fix build for AVX2 backend.
...
A missing import of the Borrow trait caused the build to break with the
"yolocrypto" feature enabled; this was't caught by CI because the CI machine
that Travis used didn't have AVX2, so the code was never built.
This commit adds the missing import and changes `std` to `core` so that the
AVX2 backend builds with no_std, but this isn't tested and is, actually,
"yolocrypto".
2018-03-19 11:15:52 -07:00
Isis Lovecruft
de90f16994
Merge branch 'feature/dalek-rs-assets' into develop
2018-03-12 19:50:56 +00:00
Henry de Valence
a271ff907d
add link to curve models docs
2018-02-22 15:37:16 -08:00
Henry de Valence
3969d80c89
Add links to dalek.rs
2018-02-21 11:11:17 -08:00
Henry de Valence
2b42966bb4
Load resources from our own domain
2018-02-21 11:03:18 -08:00
Henry de Valence
0f185d3e28
Generalize trait bounds on multiscalar multiplication.
...
This allows iterators returning either &Scalars or Scalars, so that it's
possible to use map() and friends to adjust scalars as they're being fed into
the multiscalar multiplication.
2018-02-20 18:31:23 -08:00
Henry de Valence
4a4ec74100
Add example to edwards::multiscalar_mult
2018-02-20 17:32:50 -08:00
Henry de Valence
6748dddb96
Simplify and optimize Montgomery code.
...
The `MontgomeryPoint` struct is now a point on the Kummer line of the Montgomery curve.
The `ProjectivePoint` struct is made private, since its only purpose is
internal to the Montgomery ladder.
The Montgomery ladder takes affine input, making it faster, and produces affine output.
The Edwards-Montgomery correspondence is simplified.
2018-02-05 10:40:25 -08:00
Isis Lovecruft
b5e664ab16
Add RISTRETTO_BASEPOINT_COMPRESSED constant.
2018-02-02 02:33:51 +00:00
Isis Lovecruft
23bc6ff848
Change README and docs sidebar image to transparent version.
2018-01-31 02:26:28 +00:00
Isis Lovecruft
cd112afff5
Whitespace EOL fixes.
2018-01-31 02:19:53 +00:00
Henry de Valence
9698435e38
Add note on point validity and "make illegal states unrepresentable".
...
Remove references to Montgomery conversions, as a prelude to putting the
Montgomery/Edwards conversion docs in the Montgomery module.
2018-01-30 12:31:53 -08:00
Henry de Valence
2d5dc5079f
Add type to X25519 basepoint doc
2018-01-29 14:39:37 -08:00
Henry de Valence
1d480a8a71
Rename X25519 basepoint to X25519_BASEPOINT_MONTGOMERY
2018-01-29 14:36:45 -08:00
Henry de Valence
ae46ecd445
Rename BASE_CMPRSSD to ED25519_BASEPOINT_COMPRESSED.
2018-01-29 12:38:58 -08:00
Henry de Valence
06994e8139
Tidy docs for public constants in backends
2018-01-29 12:38:58 -08:00
Henry de Valence
739755cb1c
Fix up constants docstrings
2018-01-29 12:38:58 -08:00
Henry de Valence
d3a8ee0d7b
Remove BASEPOINT_ORDER_MINUS_* constants
...
These were originally added in 32da4c7d50
2018-01-29 12:38:58 -08:00
Henry de Valence
3b5a8f84a8
Add an is_torsion_free function and document cofactor-related functions.
2018-01-26 16:07:52 -08:00
Henry de Valence
3d2cf74261
Add docs on Edwards points
2018-01-26 15:36:06 -08:00
Henry de Valence
d4d9d86d72
Fix up coffee/ristretto reference
2018-01-26 15:35:51 -08:00
Henry de Valence
12e658401c
Reword Ristretto intro
2018-01-26 14:53:31 -08:00
Henry de Valence
52904b5c3e
Use math for multiscalar docs
2018-01-26 13:39:11 -08:00
Henry de Valence
4b47087b40
Refactor Ristretto notes into doc and doc-internal sections.
2018-01-26 13:35:30 -08:00
Henry de Valence
576e27982f
Tweak module header names
2018-01-26 10:44:48 -08:00
Henry de Valence
fbd84af767
Ristretto API docs fixups
2018-01-25 17:34:57 -08:00
Henry de Valence
d04d3719a5
Add logo to sidebar
2018-01-25 17:34:20 -08:00
Henry de Valence
99921de6f3
Use README.md for the crate docs, and rewrite it.
2018-01-25 16:26:05 -08:00
Henry de Valence
ce45cfec8e
This isn't true after renaming the struct
2018-01-25 12:16:11 -08:00
Henry de Valence
3f7923b628
Keep the AVX2 point type named as ExtendedPoint.
2018-01-25 12:00:40 -08:00
Isis Lovecruft
4f37785f0e
Rename ExtendedPoint to EdwardsPoint.
2018-01-25 02:56:38 +00:00
Isis Lovecruft
9cb915126e
Merge remote-tracking branch 'dalek/feature/borrow-operators' into develop
2018-01-25 02:00:52 +00:00
Henry de Valence
86fd06db00
s/eps/epsilon/ for clarity
2018-01-24 12:42:57 -08:00
Henry de Valence
52d600db95
Implement public-facing ops traits on all combos of &T/T
...
The public-facing types with arithmetic operations are:
- `Scalar`s
- `ExtendedPoint`s
- `RistrettoPoint`s
For these types we define operators with all combinations of borrowed and
non-borrowed inputs, to avoid forcing API consumers to write extra ampersands.
Since all of the operations involved with these types are expensive relative to
the cost of an unnecessary copy, this isn't a big deal.
The `MontgomeryPoint` struct isn't included in the above because it's only
useful for scalar multiplication.
This commit is based on work by @UnlawfulMonad.
2018-01-24 11:05:06 -08:00
Henry de Valence
0e9b8e0a6e
Refactor multiply implementation to eliminate reduce() call
2018-01-19 18:23:41 -08:00
Henry de Valence
ec50ec96f7
Use parallel carry-ins and carry-outs in FieldElement64::reduce()
2018-01-19 17:50:48 -08:00
Henry de Valence
d8d235fb48
Move pow2k into the backends and use it to implement square()
2018-01-19 17:50:48 -08:00
Henry de Valence
1f821d34a5
Feature-gate batch inversion and compression on alloc
2018-01-19 17:22:28 -08:00
Henry de Valence
b20ccbd685
Implement batched encoding for RistrettoPoints
2018-01-19 17:22:28 -08:00
Henry de Valence
de377290ee
Implement batch inversion using a product tree.
2018-01-19 17:22:28 -08:00
Isis Lovecruft
0012e1f12f
Merge remote-tracking branch 'hdevalence/feature/avx2_r7' into develop
2018-01-19 23:46:30 +00:00
Henry de Valence
a0c93cb730
fix inconsistency in variable naming
2018-01-10 06:04:03 -08:00
Henry de Valence
841c026c13
Remove dead code
2018-01-10 05:49:47 -08:00
Henry de Valence
f816083575
Use >> instead of srl intrinsic
2018-01-03 14:04:27 -08:00
Henry de Valence
4cbff3983d
Remove fixme notes
2018-01-03 14:01:48 -08:00
Henry de Valence
628af18a1d
Suppress some warnings
2018-01-03 13:57:50 -08:00
Henry de Valence
3686562b2f
Clear memory from avx2 multiscalar mult
2018-01-03 13:37:12 -08:00
