2aa33ea226
Fused initialization and arithmetic finite field primitive to have Fp2 less verbose and more efficient
2020-02-25 11:00:27 +01:00
bb8dc579ea
conditional arithmetic prefixed with c: cadd, csub. Also use ccopy instead of cmov to avoid potential confusion like in https://github.com/cfrg/draft-irtf-cfrg-hash-to-curve/issues/210
2020-02-25 01:26:21 +01:00
6b05c69652
Rename Fq -> Fp
2020-02-24 17:10:09 +01:00
3bd70991d4
reorg the codebase + add/update READMEs in folders with research ( #12 )
...
* reorg the codebase + add/update READMEs in folders with research
* fix readme
* update pairing implementation papers
* Seperate hash-to-curve in its own folder, distinguish between norms, research and presentations
* Better markdown line breaks
* Add in-depth analysis of towers of extension fields for BN curve
* Fix Colm Ó hÉigeartaigh name and add Hash-to-Curve reference
2020-02-24 10:50:19 +01:00
68727e5c8d
Add modular inversion + test vs GMP
2020-02-22 19:50:24 +01:00
acfc99c4f0
Add an unsafe modular exponentiation that may leak exponent bits to timing attacks/oscilloscopes/memory cache attacks
2020-02-22 18:18:17 +01:00
e0f4e49cb5
Test modular exponentiation with BN254 and BLS12-381 moduli
2020-02-22 16:56:04 +01:00
24f2e1088e
Fix modular exp tests
2020-02-22 16:39:57 +01:00
4b65d0d723
Skeleton of modular exponentiation
2020-02-22 16:37:31 +01:00
ef5dd8345b
Allow compile-time bigint serialization + terminology: serialize -> export
2020-02-18 12:36:42 +01:00
9395febada
add octet string encode/decode (bigEndian raw int)
2020-02-18 11:54:36 +01:00
d7d20c50b6
Add primitive for window-based modular exponentiation
2020-02-17 00:13:42 +01:00
6694023f16
Revert "Use cmov name instead of mux to be in line with IETF spec on Hash to curve and Verifiable Random Functions"
...
This reverts commit 56177c0cfe
2020-02-16 22:13:54 +01:00
56177c0cfe
Use cmov name instead of mux to be in line with IETF spec on Hash to curve and Verifiable Random Functions
2020-02-16 21:34:21 +01:00
a1801e26a0
Now passing finite field test vs GMP
2020-02-16 19:08:19 +01:00
c3d458e31b
Fix bug in redc: use montgomery mul for now. Add NIST P256 curve
2020-02-16 18:59:10 +01:00
5620bbfaee
rename io tests ti io bigints
2020-02-16 11:29:27 +01:00
23ecb9a221
Add a (failing) test vs GMP for modular multiplication on BN254 curve Field
2020-02-16 02:20:08 +01:00
eb94c3d1bc
Add Montgomery Modular Multiplication
2020-02-15 02:59:08 +01:00
301cf20195
Use Montgomery representation by default for Finite Field
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- Fix montyMagic, modular inversion mode 2^2k was missing an iteration
- Fix test for buffer size in BigInt serialization
- Add UINT/Hex serialization for finite fields
- Montgomery conversion and redc
2020-02-15 00:26:40 +01:00
f418e08746
For finite fields, we will use the Montgomery n-residue form by default
2020-02-14 13:36:34 +01:00
f6b229b19c
Modular addition and substraction tests
2020-02-13 00:11:45 +01:00
3eb22f8fc7
Fix curve parser, implement smoke test for finite field
2020-02-12 23:57:51 +01:00
6226d86726
Update IO: dumpHex -> toHex dumpRawUint -> serializeRawUint
2020-02-12 21:57:39 +01:00
89fce3b1c4
Wrap tests in main. Fixes C codegen bug due to templates invocation on global variable in test_primitives
2020-02-12 00:25:48 +01:00
fe59efb8d8
reorganize the repo
2020-02-12 00:20:31 +01:00
24b0477ad7
Typo when testing for "negative" bigint, now passing testing vs GMP
2020-02-10 23:56:57 +01:00
b53f203e30
Fix raw uint serialization and start testing against GMP for 2000+bits bigints
2020-02-10 23:09:32 +01:00
8d160189d1
Fix extended prec multiplication carry. Passing modulo tests against medium BigInt (192~256 bits)
2020-02-10 22:19:47 +01:00
73b71a184c
Fix off-by-one copy, pass small bigints modulo tests
2020-02-10 19:57:35 +01:00
b689223cf5
Refactoring, optimize code-size: use type-erased views to avoid monomorphization of compute kernels
2020-02-10 18:16:34 +01:00
ade919b003
Fix carry and modulus offset in bigint
2020-02-10 02:58:37 +01:00
30f8756dfc
Temp switch to uint32 words for testing modulo. Remove tests that depend on word size
2020-02-10 00:16:46 +01:00
166a1075b1
add bigint display in GMP test
2020-02-09 23:26:39 +01:00
216ed9bdc1
Property-based testing framework vs GMP
2020-02-09 22:01:01 +01:00
f2c79ece26
Remove the limitation that the number of bits in constructed has to be greater than the source integer bitsize
2020-02-09 21:35:23 +01:00
66c0b5805e
Add modular reduce / bigint mod from 2 arbitrarily size bigint
2020-02-09 18:17:32 +01:00
153e898263
word_types -> primitives + delete the "config" file / debug template
2020-02-09 16:22:55 +01:00
b9a37825a3
COnsistent IO API between fromRawUint and fromHex and add fromUint
2020-02-09 15:38:30 +01:00
1d92ab1f48
Remove the limb accessor templates, introduce config file for debug template
2020-02-09 13:02:09 +01:00
9db77ad0eb
Prepare for testing finite fields, comment cleanups
2020-02-09 00:52:24 +01:00
edd728610c
Add addition limbs carry test
2020-02-08 19:09:20 +01:00
2c750cbc5b
Add bigint isZero, and equality and initial tests
2020-02-08 18:50:01 +01:00
8da9e20ebb
Cosmetic changes: dumpHex with 0x prefix, montgomery magic part of curve param
2020-02-08 17:03:30 +01:00
f18a958d5e
Support 1.0+ int128 (can't use magic for bitnot)
2020-02-08 13:28:43 +01:00
5dc97927c5
Switch to personal project -> update copyright
2020-02-08 11:42:35 +01:00
cadd81b978
Add hex conversion
2019-04-28 17:42:30 +02:00
059439b2c3
fix little-endian parsing
2018-12-03 21:01:29 +01:00
2856378427
[IO] dumping 2^63 works
2018-12-03 19:56:14 +01:00
43ac4972a0
Add constant-time raw bytes/integers parsing
2018-12-02 20:57:32 +01:00
Mamy André-Ratsimbazafy