472823b749
more comprehensive benchmark of Fp
2020-03-06 17:44:30 +01:00
adc630f3af
Fix overflow on win32
2020-03-01 17:05:14 +01:00
4b7c6b552e
Fix inline assembly and inline __int128 in C++ mode
2020-03-01 16:23:41 +01:00
c8e482f6d2
Properly handle 32 bits
2020-03-01 16:18:45 +01:00
3fdd457b52
Add MSVC compiler support for 128-bit div/mul (untested)
2020-03-01 16:02:14 +01:00
dfb007e6bc
Add ARM64 fallback for Div128by64
2020-03-01 15:10:23 +01:00
3ce237234d
Support 32-bit platforms
2020-03-01 14:38:18 +01:00
1fdb1df80a
Add benchmark clock timers
2020-02-29 19:36:35 +01:00
ca817fcb69
Use Assembly cmov on x86
2020-02-29 18:27:20 +01:00
309a15ce8b
inline func are OK for extended precision
2020-02-29 17:25:40 +01:00
0fab0c8a42
Improve initialization for montymul. (64-bit speed is 2.3x 32-bit)
2020-02-29 14:59:20 +01:00
feacf2b2ea
Fix 64-bit limbs, passing all tests
2020-02-29 14:49:38 +01:00
88d4a58a10
First steps in using uint64 words
2020-02-29 02:10:55 +01:00
05bce529b4
1st experiment at accelerating montgomery multiplication (665 lines of specialized duplicated ASM code for some reason, monomorphization is probably better than that)
2020-02-28 22:46:20 +01:00
155aa21767
Add inverse on 𝔽p2 = 𝔽p[𝑖]
2020-02-27 01:20:51 +01:00
feb6557402
Add placeholders for alternative Fp2 implementations
2020-02-26 20:04:06 +01:00
1f0ef23da7
Add Fp2_complex tests
2020-02-26 19:28:43 +01:00
df886aa3ca
Significantly reduce compile-time and size of field tests vs GMP (4.4MB of C previously vs 160kB after commit).
2020-02-26 18:54:44 +01:00
eecf19ff1d
more research on extension fields
2020-02-26 17:37:32 +01:00
6de97b5d1e
Random init was producing invalid montgomery form for field elements
2020-02-26 10:28:54 +01:00
945d36c2f2
More Fp2 sanity checks
2020-02-26 01:46:11 +01:00
ff98558c4b
Fix carry bug in sum/diff
2020-02-26 01:31:05 +01:00
c621355d8d
Add new tests to track issue in the new sum/diff
2020-02-26 01:23:18 +01:00
5fab0b6c49
Add secp256k1 and add sanity checks on Fp2
2020-02-26 00:55:30 +01:00
e2096297cf
Expose the equality proc beyond the debugConstantine flag
2020-02-26 00:08:57 +01:00
9f7c8515a4
Prepare RNG with 2^512 bit of state for random testing on Fp2
2020-02-25 23:52:56 +01:00
c956c82165
cleanup test imports
2020-02-25 20:55:23 +01:00
2df0f311ff
Cleanup TODOs + squaring in the Montgomery domain doesn't present the same symmetries as schoolbook multiplication so remove comment. Otherwise this may apply https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/large-integer-squaring-ia-paper.pdf
2020-02-25 20:12:38 +01:00
69d477a715
Fp2 multiplication
2020-02-25 16:35:55 +01:00
320ecbff1a
Change square signature and reorg finite fields to avoid/highlight proc that allocate a temporary
2020-02-25 15:18:39 +01:00
abaafa816e
Fix warnings
2020-02-25 14:32:54 +01:00
e6c7b3e52a
add Abelian Group concept
2020-02-25 14:10:59 +01:00
2aa33ea226
Fused initialization and arithmetic finite field primitive to have Fp2 less verbose and more efficient
2020-02-25 11:00:27 +01:00
2aec16d8d8
introduce unconditional add/sub and fused initialization+operation sum/diff
2020-02-25 03:11:32 +01:00
ddce056bb4
make bench compile
2020-02-25 03:07:42 +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
5b53ad9cf3
Add references for finite fields and tower of finite fields arithmetic
2020-02-25 01:16:10 +01:00
78dee73648
Fp: setZero, setOne, double, in-place mul, Fp2: square
2020-02-24 20:39:36 +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
d83101153a
Cosmetic changes: remove debug import strutils, BigInt.dec "returns" is now a doc comment, remove redundant setting the internal bitlength for modular multiplication
2020-02-23 21:49:51 +01:00
80f822c227
Set up CI with Azure Pipelines ( #13 )
...
* Set up CI with Azure Pipelines
[skip ci]
* Add task for testing without GMP
* Add C++ testing + no GMP on windows
* Add the Nim wrapper for GMP to Azure build
* Add Azure badge
* Fix nimble test tasks
* Workaround windows path in Azure
* Fix nim binaries path and mingw on 32-bit
* add stew test dependency
* Fix nim/nimble path
* disable GMP tests on windows
2020-02-23 18:27:26 +01:00
acbb0f57f7
Travis CI ( #14 )
...
* add Travis config for x86_64 and ARM64
* Add Travis badge
* add stew test dependency
* comment out unused 64-bit word extended precision arithmetic for ARM CI
2020-02-23 17:56:43 +01:00
5f91751328
remove leftover debugEcho
2020-02-23 17:12:41 +01:00
05009f9407
Fix mux comment and link
2020-02-23 02:23:19 +01:00
dc46e86490
Create a specialized montgomery modular square function
2020-02-23 01:43:42 +01:00
c807707ee4
Add research on pairing curve implementations
2020-02-23 01:17:39 +01:00
68727e5c8d
Add modular inversion + test vs GMP
2020-02-22 19:50:24 +01:00
8cbbd40a0c
Add benchmark of constant-time vs unsafe powmod
2020-02-22 18:39:29 +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
Mamy André-Ratsimbazafy