mratsim
/ 2020-04-20 eth2 API.txt
Created
April 20, 2020 15:00
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| 1. Agree: use OpenAPI (alternatives were SSZ and Protobuf) | |
| Prysmatic comment: Protobuf can be easily switched to OopenAPI so no blocker here | |
| ————— | |
| 2. Agree: use versioning (issue to be opened on the versioning string) | |
| ————— | |
| OpenAPI: Json, integer and byte format | |
| - 53-bit or 64-bit integers? |
mratsim
/ erase_from_memory.h
Created
April 14, 2020 10:05
— forked from mimoo/erase_from_memory.h
Include this file to get the `erase_from_memory` function that zeros memory. See https://www.cryptologie.net/article/419/zeroing-memory-compiler-optimizations-and-memset_s/
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| #ifndef __ERASE_FROM_MEMORY_H__ | |
| #define __ERASE_FROM_MEMORY_H__ 1 | |
| #define __STDC_WANT_LIB_EXT1__ 1 | |
| #include <stdlib.h> | |
| #include <string.h> | |
| void *erase_from_memory(void *pointer, size_t size_data, size_t size_to_remove) { | |
| #ifdef __STDC_LIB_EXT1__ | |
| memset_s(pointer, size_data, 0, size_to_remove); |
mratsim
/ nimcrypto_comparison.nim
Last active
April 6, 2020 17:22
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| import ../beacon_chain/spec/digest # from NBC build directory | |
| import stew/endians2 | |
| func fakeHash*(index: SomeInteger): Eth2Digest = | |
| ## Create fake hashes | |
| ## Those are just the value serialized in big-endian | |
| ## We add 16x16 to avoid having a zero hash are those are special cased | |
| ## We store them in the first 8 bytes | |
| ## as those are the one used in hash tables Table[Eth2Digest, T] | |
| result.data[0 ..< 8] = (16*16+index).uint64.toBytesBE() |
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| # beacon_chain | |
| # Copyright (c) 2018-2020 Status Research & Development GmbH | |
| # Licensed and distributed under either of | |
| # * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT). | |
| # * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0). | |
| # at your option. This file may not be copied, modified, or distributed except according to those terms. | |
| import | |
| # Standard library | |
| std/tables, std/options, std/typetraits, |
mratsim
/ zexe_sw6.sage
Created
March 21, 2020 09:48
— forked from HarryR/zexe_sw6.sage
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| """ | |
| https://cryptosith.org/michael/data/talks/2013-08-01-SIAMAG13.pdf | |
| https://www.issac-conference.org/2015/Slides/Schost.pdf | |
| http://www.craigcostello.com.au/pairings/PairingsForBeginners.pdf | |
| """ | |
| fresh_compute = False # Perform expensive-(ish) computations for curve orders | |
| field_modulus = 22369874298875696930346742206501054934775599465297184582183496627646774052458024540232479018147881220178054575403841904557897715222633333372134756426301062487682326574958588001132586331462553235407484089304633076250782629492557320825577 | |
| desired_curve_order = 258664426012969094010652733694893533536393512754914660539884262666720468348340822774968888139573360124440321458177 |
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| https://github.com/ethereum/eth2.0-pm/issues/132 | |
| —————— | |
| Nimbus | |
| PM: | |
| - Created targets for March sprint | |
| - Interop | |
| - Starting auditing |
mratsim
/ scratch_fast_mongomery_mul.nim
Created
March 11, 2020 23:11
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| # Constant-time modular arithmetic with carry test | |
| # Compile with Clang, GCC is really bad | |
| import macros | |
| func wordsRequired(totalBits, bitsPerWords: int): int {.compileTime.} = | |
| ## Compute the number of limbs required | |
| # from the **announced** bit length | |
| (totalBits + bitsPerWords - 1) div bitsPerWords |
mratsim
/ bls_keygen_debug.nim
Created
March 10, 2020 23:52
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| import blscurve, stew/byteutils | |
| type KeyPairSig = tuple[pubkey: PublicKey, seckey: SecretKey, sig: Signature] | |
| proc main() = | |
| var alice, bob, eve, mallory: KeyPairSig | |
| var aggSig: Signature | |
| let message = hexToSeqByte"0x0CC94C98643AEA8DC16D91881A67FEDC306DF13A9C710CDE78C1021405A3D47E" | |
| # doAssert aggSig.fromHex"0xa83c648423e410aa2dd900b45614bbd5f4071992fcebb5bf096978b60a05610b466ea9a0943afdba7ed56e2d548170ad1454d83c3d882e5fa6f107a450c50692171651cb809c84410d940fe2c9c22176a2dbeed9a618158351176fb89b4fa88e" |
mratsim
/ stack_smashing.nim
Created
March 10, 2020 21:45
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| # Trying to isolate stack smashing bug | |
| import blscurve, nimcrypto | |
| proc main() = | |
| for i in 0 ..< 100: | |
| echo "iteration ", i, ":" | |
| var ikm: array[32, byte] |
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| https://github.com/ethereum/eth2.0-pm/issues/129 | |
| Nimbus team (3 weeks) | |
| - Core spec: | |
| - Autodetect/Report on skipped tests (that were deactivating during implementation/refactoring) | |
| - BLS signatures ready, we were waiting for EF vectors fixes but will go ahead to allow finishing honest validators spec | |
| - WIP attestation aggregation | |
| - WIP fork choice | |
| - Bounty program restarted, 1st bounties: |