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334 commits

Author SHA1 Message Date
Isis Lovecruft
161c0cd96d
Add a doctest for subtle::bytes_equal(). 2017-05-31 01:31:40 +00:00
Isis Lovecruft
43481a9ff6
Change the whitespace because Boats made fun of it on twitter. 2017-05-31 01:31:37 +00:00
Isis Lovecruft
4ecf6ab326
Implement constant-time selection between two things. 2017-05-31 01:29:59 +00:00
Isis Lovecruft
16904432be
Remove an unnecessary explicit return in FieldElement.to_bytes(). 2017-05-28 22:45:13 +00:00
Isis Lovecruft
674a00df5b
Some rustfmt fixes. I disagreed with all the other ones. 2017-05-28 22:42:09 +00:00
Isis Lovecruft
648f95887a
Rename subtle::bytes_equal_ct() to bytes_equal(). 2017-05-27 18:35:34 +00:00
Isis Lovecruft
1c4f283be4
Change debug_assert to assert in arrays_equal(). 2017-05-27 18:28:37 +00:00
Isis Lovecruft
60692ce891
Put math/code in a docstring in ticks. 2017-05-27 18:24:08 +00:00
Isis Lovecruft
2485472023
Remove explicit lifetime, caught by clippy. 2017-05-27 18:23:31 +00:00
Isis Lovecruft
044128dc58
Remove excessive clone() on Copy, caught by clippy. 2017-05-27 18:21:37 +00:00
Isis Lovecruft
3a664a054a
Whitespace fix in decaf module. 2017-05-27 01:20:14 +00:00
Isis Lovecruft
3decdbed0d
Make arrays_equal() work for any size &[u8], as long as sizes are equal. 2017-05-26 22:39:20 +00:00
Isis Lovecruft
0c38718346
Rename subtle::arrays_equal_ct() to subtle::arrays_equal(). 
It's already obvious that it's constant-time because it's in the subtle
module.
 2017-05-26 22:35:45 +00:00
Isis Lovecruft
e74be0024d
Better documentation for arrays_equal_ct. 2017-05-26 21:22:31 +00:00
Isis Lovecruft
a12c2979fb
Fix the doctest for byte_is_nonzero. 2017-05-26 20:53:18 +00:00
Isis Lovecruft
c6057cb2d0
Merge remote-tracking branch 'hdevalence/feature/fast-decaf' into develop 2017-05-25 21:51:57 +00:00
Isis Lovecruft
8772e863e7
Merge remote-tracking branch 'manishearth/fuzz' into develop 2017-05-25 21:50:48 +00:00
Isis Lovecruft
00f3a20329
Merge branch 'feature/add-sub-assign' into develop 2017-05-21 23:04:06 +00:00
Henry de Valence
58982cbc2b Lower the trial number in decaf_random 
The radix_51 implementation has many more debug checks, so this takes quite
long to run, and it's rude to run a fuzzer on the CI server.
 2017-05-20 21:39:58 -07:00
Henry de Valence
27dbfa9536 Use Mike Hamburg's trick for Decaf compression. 2017-05-20 21:39:58 -07:00
Henry de Valence
52e51bdb16 Add constants for 1/sqrt(a-d) and 1/(a-d) 2017-05-20 21:39:58 -07:00
Henry de Valence
e4913dfc2b Batch inversions in Decaf decompression. 2017-05-20 21:39:58 -07:00
Henry de Valence
273db53cfd Benchmark Edwards decompression and compression 2017-05-20 21:39:58 -07:00
Henry de Valence
f741e50eb5 Add a test against current encodings of small multiples of the ed25519 basepoint 2017-05-20 21:39:58 -07:00
Manish Goregaokar
e076079772 Add cargo-fuzz 2017-05-19 16:44:05 -07:00
Henry de Valence
714bf3dd07 Set the number of trials back to 10,000 2017-05-19 14:23:51 -07:00
Henry de Valence
fbd8d0a605 Rewrite decaf elligator code to avoid two consecutive additions 2017-05-19 14:23:51 -07:00
Henry de Valence
b6cb7a7983 Increase number of trials for decaf elligator 2017-05-19 14:23:51 -07:00
Isis Lovecruft
e374451249
Implement {AddAssign, SubAssign} for DecafPoint. 2017-05-18 23:02:39 +00:00
Isis Lovecruft
27e4ea5181
Add a divider to separate Neg code from Add/Sub. 2017-05-18 23:01:31 +00:00
Isis Lovecruft
ed315ffcae
Implement {AddAssign, SubAssign} for ExtendedPoint. 2017-05-18 23:00:55 +00:00
Isis Lovecruft
b97868beb8
Remove unused import of ExtendedPoint in decaf::test module. 2017-05-18 03:44:42 +00:00
Isis Lovecruft
cc86091224
Remove unused import of DecafPoint in curve module. 2017-05-18 03:43:42 +00:00
Isis Lovecruft
767c99adf5
Remove unused assignment in a decaf test. 2017-05-18 03:43:15 +00:00
Isis Lovecruft
891cf76aab
Remove unused imports in curve::bench module. 2017-05-18 03:42:31 +00:00
Isis Lovecruft
0b70ab3638
Move DecafPoint * Scalar definition to decaf module. 2017-05-18 02:57:10 +00:00
Isis Lovecruft
e3adf3eea3
Merge remote-tracking branch 'hdevalence/feature/decaf_elligator_hash_to_point' into develop 2017-05-18 02:50:28 +00:00
Henry de Valence
aea15e8612 remove debugging println!s 2017-05-15 22:40:09 -07:00
Henry de Valence
69c62a8a17 Serde Scalar support 2017-05-15 22:40:09 -07:00
Henry de Valence
d3515e8cbf Add test that decompressing an invalid point with serde fails 2017-05-15 22:40:09 -07:00
Henry de Valence
69fd268aa4 Make serde an optional feature 2017-05-15 22:40:09 -07:00
Henry de Valence
7c32271346 Initial work on Serde support 2017-05-15 22:37:50 -07:00
Henry de Valence
608634a7bd Implement DecafPoint::{random, hash_from_bytes, from_hash} using Decaf-flavoured elligator 2017-05-15 21:06:26 -07:00
Isis Lovecruft
fe58e81bbc
Add missing conditional import for collection::Vec. 2017-05-14 11:16:07 +00:00
Isis Lovecruft
4a646806b8
Merge branch 'feature/scalarmult-lhs' into develop 2017-05-14 09:35:15 +00:00
Isis Lovecruft
61d07693ec
Merge remote-tracking branch 'hdevalence/feature/operator_scalar_mult_r2' into develop 2017-05-14 09:34:45 +00:00
Isis Lovecruft
ae11d4bc76
Merge remote-tracking branch 'hdevalence/feature/vartime-module' into develop 2017-05-14 09:34:14 +00:00
Isis Lovecruft
1b7b57c351
Make basepoint multiplication for precomputed tables go both ways. 2017-05-14 03:10:26 +00:00
Isis Lovecruft
7478814dfc
Implement CTAssignable for DecafPoint. 2017-05-14 02:59:54 +00:00
Isis Lovecruft
b6faf7c05e
Implement CTAssignable for ExtendedPoint. 2017-05-14 02:31:36 +00:00
Isis Lovecruft
738049619b
Also make scalar multiplication with DecafPoints go both ways. 2017-05-09 02:04:22 +00:00
Isis Lovecruft
944e8e1649
Fix and allow some non-snakecased variables in scalar tests. 2017-05-09 00:05:11 +00:00
Isis Lovecruft
4da1d795a1
Make scalar multiplication go both ways. 
Being able to do `P * s`, but not `s * P`, is slightly annoying, particularly
with longer equations when it is desired to be able to glance at the maths and
see that the code is the same.

Now either syntax is allowed.
 2017-05-09 00:01:48 +00:00
Isis Lovecruft
9a9959061d
Merge remote-tracking branch 'hdevalence/feature/clippy-fixes' into develop 2017-05-06 00:16:09 +00:00
Isis Lovecruft
8f4114a211
Merge remote-tracking branch 'hdevalence/feature/streamable-hash-to-scalar' into develop 2017-05-05 23:52:59 +00:00
Henry de Valence
c18627f7c2 Generalize k_fold_scalar_mult 2017-05-04 00:02:29 -07:00
Henry & Isis
c6dc9d318d Add a helper function to construct a Scalar from a u64 2017-05-03 19:32:31 -07:00
Henry de Valence
0ae0d2b72a Add function to get the basepoint from a basepoint table 2017-05-03 19:32:30 -07:00
Henry de Valence
127169c151 Remove boxes 2017-05-03 19:32:30 -07:00
Henry de Valence
0678e619cc Implement Mul for basepoint tables 2017-05-03 19:32:30 -07:00
Henry de Valence
59453d755d Implement Mul for scalar multiplication 2017-05-03 19:32:30 -07:00
Henry & Isis
7cbb8dd94e Merge branch 'feature/streamable-hash-to-scalar' into develop 2017-05-03 19:32:09 -07:00
Henry de Valence
a479b627a8 Add Decaf wrapper for k-fold vartime 2017-05-03 17:39:06 -07:00
Henry de Valence
5100ba4a07 Move variable time code into a module 2017-05-03 17:31:16 -07:00
Henry de Valence
68f74d9b22 Merge branch 'feature/vartime_k_fold_scalarmult' into feature/vartime-module 2017-05-03 16:27:43 -07:00
Henry de Valence
b05c897123 Implement operators for Scalars using multiply_add 2017-05-02 22:29:18 -07:00
Henry de Valence
91e11b6318 Change docstring to match the trait bound 2017-05-02 21:22:04 -07:00
Henry de Valence
6ea1d4dad2 Add an implementation of Scalar inversion 2017-04-28 22:59:56 -07:00
Henry de Valence
653f134bc7 Implement Mul, MulAssign, zero(), one() for UnpackedScalar 2017-04-28 22:57:17 -07:00
Henry de Valence
b5ccb42759 Rename lminus1 to l_minus_1 2017-04-28 22:54:00 -07:00
Henry de Valence
057c84abd5 Add a bits() function for scalars 2017-04-28 22:51:32 -07:00
Henry de Valence
60ad000609 Remove redundant & 2017-04-25 15:56:36 -07:00
Henry de Valence
cb656bafa7 Delete bytes_equal_less_than 
This function is unused and untested.  It's also incorrect, since the loop
32..0 iterates over an empty range.  Remove it for now; if we need it later, it
still lives in the history.
 2017-04-25 15:08:59 -07:00
Henry de Valence
57c96616b9 Remove unused import 2017-04-25 14:50:59 -07:00
Henry de Valence
e00cd114d7 Have radix 25.5 reduce() consume its argument 2017-04-02 23:46:01 +02:00
Henry de Valence
162dfc8331 Remove clones on Copy types 2017-04-02 23:45:34 +02:00
Henry de Valence
3705346afa Remove unnecessary returns 2017-04-02 23:39:45 +02:00
Henry de Valence
7f4b96150d Remove explicit lifetimes 2017-04-02 23:36:05 +02:00
Henry de Valence
c8e7e22ddf Remove unnecessary returns 2017-04-02 23:28:01 +02:00
Henry de Valence
b3041f2adc Remove unnecessary if statements 2017-04-02 23:27:38 +02:00
Henry de Valence
e74bf8e789 Remove unnecessary if statement 2017-04-02 23:15:26 +02:00
Henry de Valence
73e172484c Add tick marks around code items in docs 2017-04-02 23:12:18 +02:00
Henry de Valence
eca28fd3e8 Refactor Scalar::hash_from_bytes to allow streaming input to the hash. 2017-03-27 04:49:00 -07:00
Isis Lovecruft
5ebbd5dd86
Remove an XXX comment about using something better than array_ref!(). 
It turns out array_ref!() is probably the best way, or, at least, we're
already using it everywhere.
 2017-03-17 21:42:58 +00:00
Isis Lovecruft
d549fdc8f9
Whitespace fixes. 2017-03-17 21:42:40 +00:00
Henry de Valence
2f5b9e198c Remove warnings from load3/load4 and load8 functions 2017-03-14 01:05:31 -07:00
Henry de Valence
abb1b6fef9 Add a variable-time k-fold scalar mult function. 2017-03-13 21:45:41 -07:00
Henry de Valence
57ebc9d7f9 Add an OddMultiples helper struct 2017-03-13 21:45:41 -07:00
Isis Lovecruft
6991b4264b
Merge remote-tracking branch 'hdevalence/feature/64bit-multiplication_r3' into develop 2017-03-14 04:23:11 +00:00
Isis Lovecruft
3cfaf0cf6d
Merge branch 'feature/generic-basepoint_r3' into develop 2017-03-14 03:26:51 +00:00
Henry de Valence
b8b5af24b6 fixup! Enable radix_51 on nightly 2017-03-13 20:24:59 -07:00
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
3882a41d27
Remove test_ prefix from tests in scalar module. 2017-03-14 01:58:39 +00:00
Isis Lovecruft
4afe4ae37f
Move scalar module benchmarks to separate module. 2017-03-14 01:52:42 +00:00
Isis Lovecruft
cb3b3144be
Remove prefix from field tests. 2017-03-14 01:11:54 +00:00
Isis Lovecruft
904911e2b8
Move field module benchmarks to separate module. 2017-03-14 01:11:03 +00:00
Henry de Valence
cf9f9aa402 Enable radix_51 on nightly 2017-03-13 17:04:37 -07:00
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