Commit Graph

151 Commits

Author SHA1 Message Date
Sean Bowe b37d9b11cb
More efficient implementation of Edwards doubling in the circuit. 2018-02-20 15:38:28 -07:00
Sean Bowe 6e80c12365
Add TODO 2018-02-20 15:11:29 -07:00
Sean Bowe d779f31ccd
Force personalization of Pedersen hashes. 2018-02-20 15:11:29 -07:00
Sean Bowe 39175a0c2a
Remove unneeded imports 2018-02-20 15:11:29 -07:00
Sean Bowe 5118fd5008
Add new fixed generators for the output circuit 2018-02-20 15:11:29 -07:00
Sean Bowe ec7323159c
Booleanize u64 objects. 2018-02-20 15:11:29 -07:00
Sean Bowe 1df7fbeeff
Refactor "booleanization" of objects. 2018-02-20 15:11:29 -07:00
ebfull 8d633db82b
Merge pull request #29 from ebfull/pedersen-chunks
63 chunks per pedersen hash segment
2018-02-20 15:09:59 -07:00
Sean Bowe 2f95a9094a
Refactor to handle changes to ConstraintSystem API (no more Variable associated type, one is now static method). 2018-02-16 08:45:18 -07:00
Sean Bowe 814cfef769
Use more descriptive synthesis errors now available in bellman. 2018-02-16 08:45:17 -07:00
Sean Bowe 683aa93b44
Account for change in bellman's API for enforcement to use closures. 2018-02-16 08:44:27 -07:00
Sean Bowe 821d22261e
Raise the number of chunks in Pedersen hashes to 63. 2018-02-11 12:59:57 -07:00
Sean Bowe 52829af6d8
Fix test for pedersen hash chunks per generator. 2018-02-11 12:59:49 -07:00
Sean Bowe 73e73d7c8c
Remove TODOs by creating tickets. 2018-02-07 13:55:34 -07:00
Sean Bowe edc4adc32c
Implementation of fixed-base Edwards scalar multiplication in the circuit. 2018-02-07 13:33:09 -07:00
Sean Bowe 69833e5162
Start initializing generators for various components in the protocol. 2018-02-06 11:08:17 -07:00
Sean Bowe 55b8f7a575
Dynamic base twisted Edwards scalar multiplication in the circuit. 2018-02-02 14:24:18 -07:00
Sean Bowe f2c74a4b98
Implement conditional reversal of two allocated numbers. 2018-02-02 11:57:49 -07:00
Sean Bowe d49c0b0b0d
Implement Edwards doubling in the circuit. 2018-02-02 10:01:33 -07:00
Sean Bowe 67f2cea200
Move window table lookup logic into its own module. 2018-02-02 09:50:59 -07:00
Sean Bowe ba3ef9c84c
Implementation of 3-bit window table lookups. 2018-02-02 09:41:44 -07:00
Sean Bowe 9d49a60f48
Replace Montgomery point interpretation with twisted Edwards. 2018-01-29 10:38:18 -07:00
Sean Bowe f00e8a8292
Change group_hash to output points in the twisted Edwards form. 2018-01-29 08:56:58 -07:00
Sean Bowe 55598e4d4f
Define get_for_y for twisted Edwards points. 2018-01-29 08:32:06 -07:00
Sean Bowe bfda59f80b
Remove group hash implementation from inside the circuit, as it is no longer necessary. 2018-01-29 07:24:59 -07:00
Sean Bowe 42514e7c47
Remove TODO's in favor of github issues. 2018-01-29 06:06:10 -07:00
Sean Bowe 6841763ae7
Add TODO for improving lookup performance. 2017-12-28 16:10:19 -07:00
Sean Bowe 849f330441
Add test to monitor the number of constraints consumed by the pedersen hash (in the context of a merkle tree). 2017-12-28 12:00:22 -07:00
Sean Bowe e9c9618ef4
Implement pedersen hashes inside and outside of the circuit. 2017-12-28 11:06:05 -07:00
Sean Bowe 07f2e553a7
Implement twisted Edwards point conversion and addition in the circuit. 2017-12-22 11:52:13 -07:00
Sean Bowe e1ab3be3cc
Implementation of conditional negation for AllocatedNum. 2017-12-22 11:52:13 -07:00
Sean Bowe 87548f3d1d
Implementation of Montgomery point addition in the circuit. 2017-12-22 11:52:08 -07:00
Sean Bowe 031ae638ce
Tidy up the codebase (TODOs into github issues). 2017-12-18 22:08:57 -07:00
Sean Bowe 1e56289f19
Implementation of group hash in the circuit. 2017-12-18 11:34:15 -07:00
Sean Bowe d143d3230a
Relocate grouphash implementation. 2017-12-18 11:15:02 -07:00
Jay Graber 635bd8104e
Add grouphash 2017-12-18 10:58:59 -07:00
Sean Bowe 7d6a57661b
Add Montgomery point interpretation. 2017-12-17 10:07:00 -07:00
Sean Bowe eb8803f9eb
Implementation of `into_bits_strict` for `Num`. 2017-12-17 09:31:33 -07:00
Sean Bowe 068fbbc2be
Implementation of `into_bits` for `Num`. 2017-12-17 09:12:04 -07:00
Sean Bowe 6c6a193551
Implementation of `from_bits_strict` for `Num`. 2017-12-16 17:03:40 -07:00
Sean Bowe d04c5acdb8
Implement `enforce_in_field` and `enforce_nand` for Boolean. 2017-12-16 16:01:13 -07:00
Sean Bowe dfd82439de
Implementation of k-ary AND. 2017-12-15 14:12:38 -07:00
Sean Bowe 46cbfb4831
Implementation of Montgomery point doubling in the circuit. 2017-12-14 15:41:37 -07:00
Sean Bowe 8c4433ee82
Add 2A precomputation to jubjub parameters. 2017-12-14 11:34:57 -07:00
Sean Bowe 6b43a4ed10
Make UInt32::addmany produce constant results when fed constant inputs, to allow for blake2s block precomputation for group hash. 2017-12-12 14:53:16 -07:00
Sean Bowe 3a6e8d448f
Add `get_for_x` to Montgomery implementation. 2017-12-12 10:31:13 -07:00
Sean Bowe e9d3923829
Refactor jubjub implementation to be abstract over field, parameters. 2017-12-11 23:06:05 -07:00
Sean Bowe c0f5645ab4
Do not perform inversions when converting from Montgomery to projective extended twisted Edwards. 2017-12-06 17:22:35 -07:00
Sean Bowe 7c48792511
Some test cleanups. 2017-12-06 10:21:56 -07:00
Sean Bowe 86619c7334
Implementation of fundamental circuitry and primitive Jubjub curve arithmetic. 2017-12-06 10:06:34 -07:00
Sean Bowe 35314c8771
Initial commit 2017-11-13 01:54:13 -07:00