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Commit Graph

9 Commits

Author SHA1 Message Date
7d891c7eb8
support go 1.14 (#29)
NOBS now supports Go 1.14 for
* x86-64
* ARM
2020-03-05 11:19:51 +00:00
7efbbf4745 cSIDH-511: (#26)
Implementation of Commutative Supersingular Isogeny Diffie Hellman,
based on "A faster way to CSIDH" paper (2018/782).

* For fast isogeny calculation, implementation converts a curve from
  Montgomery to Edwards. All calculations are done on Edwards curve
  and then converted back to Montgomery.
* As multiplication in a field Fp511 is most expensive operation
  the implementation contains multiple multiplications. It has
  most performant, assembly implementation which uses BMI2 and
  ADOX/ADCX instructions for modern CPUs. It also contains
  slower implementation which will run on older CPUs

* Benchmarks (Intel SkyLake):

  BenchmarkGeneratePrivate   	    6459	    172213 ns/op	       0 B/op	       0 allocs/op
  BenchmarkGenerateKeyPair   	      25	  45800356 ns/op	       0 B/op	       0 allocs/op
  BenchmarkValidate          	     297	   3915983 ns/op	       0 B/op	       0 allocs/op
  BenchmarkValidateRandom    	  184683	      6231 ns/op	       0 B/op	       0 allocs/op
  BenchmarkValidateGenerated 	      25	  48481306 ns/op	       0 B/op	       0 allocs/op
  BenchmarkDerive            	      19	  60928763 ns/op	       0 B/op	       0 allocs/op
  BenchmarkDeriveGenerated   	       8	 137342421 ns/op	       0 B/op	       0 allocs/op
  BenchmarkXMul              	    2311	    494267 ns/op	       1 B/op	       0 allocs/op
  BenchmarkXAdd              	 2396754	       501 ns/op	       0 B/op	       0 allocs/op
  BenchmarkXDbl              	 2072690	       571 ns/op	       0 B/op	       0 allocs/op
  BenchmarkIsom              	   78004	     15171 ns/op	       0 B/op	       0 allocs/op
  BenchmarkFp512Sub          	224635152	         5.33 ns/op	       0 B/op	       0 allocs/op
  BenchmarkFp512Mul          	246633255	         4.90 ns/op	       0 B/op	       0 allocs/op
  BenchmarkCSwap             	233228547	         5.10 ns/op	       0 B/op	       0 allocs/op
  BenchmarkAddRdc            	87348240	        12.6 ns/op	       0 B/op	       0 allocs/op
  BenchmarkSubRdc            	95112787	        11.7 ns/op	       0 B/op	       0 allocs/op
  BenchmarkModExpRdc         	   25436	     46878 ns/op	       0 B/op	       0 allocs/op
  BenchmarkMulBmiAsm         	19527573	        60.1 ns/op	       0 B/op	       0 allocs/op
  BenchmarkMulGeneric        	 7117650	       164 ns/op	       0 B/op	       0 allocs/op

* Go code has very similar performance when compared to C
  implementation.
  Results from sidh_torturer (4e2996e12d68364761064341cbe1d1b47efafe23)
  github.com:henrydcase/sidh-torture/csidh

  | TestName         |Go        | C        |
  |------------------|----------|----------|
  |TestSharedSecret  | 57.95774 | 57.91092 |
  |TestKeyGeneration | 62.23614 | 58.12980 |
  |TestSharedSecret  | 55.28988 | 57.23132 |
  |TestKeyGeneration | 61.68745 | 58.66396 |
  |TestSharedSecret  | 63.19408 | 58.64774 |
  |TestKeyGeneration | 62.34022 | 61.62539 |
  |TestSharedSecret  | 62.85453 | 68.74503 |
  |TestKeyGeneration | 52.58518 | 58.40115 |
  |TestSharedSecret  | 50.77081 | 61.91699 |
  |TestKeyGeneration | 59.91843 | 61.09266 |
  |TestSharedSecret  | 59.97962 | 62.98151 |
  |TestKeyGeneration | 64.57525 | 56.22863 |
  |TestSharedSecret  | 56.40521 | 55.77447 |
  |TestKeyGeneration | 67.85850 | 58.52604 |
  |TestSharedSecret  | 60.54290 | 65.14052 |
  |TestKeyGeneration | 65.45766 | 58.42823 |

  On average Go implementation is 2% faster.
2019-11-25 15:03:29 +00:00
7298b650cc
Adds go.mod (#21)
* Reset Makefile after adding go.mod
* Remove ``build`` directory
* Simiplifies makefile
* shake: Make xorIn copyOut platform specific
2019-05-15 18:03:35 +01:00
b47a731959
Run tests on ARM64 (#11) 2019-02-16 21:29:20 +00:00
22e3d2373f adds code coverage 2018-07-31 20:26:50 +01:00
2a25a09b4a improves makefile 2018-07-31 18:20:27 +01:00
34805fc1fb Improves Makefile 2018-07-31 18:00:55 +01:00
4d0f3e5293 AES-256 CTR_DRBG 2018-06-24 09:50:06 +01:00
8cf7cfdc8d SM3 and cSHAKE 2018-06-23 16:34:45 +01:00