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History

Update BLS test suite to BLS standard draft v2 format

1. Make sure that BLS -Verify APIs would only return `True` or `False` , no exceptions.
2. Use `eth2spec.utils.bls` instead of py_ecc for test generator
3. Add assertions in test generator
4. Add some special test cases for the -Verify APIs
5. Clean up the test format documents

2020-05-15 00:55:06 +08:00

main.py

Update BLS test suite to BLS standard draft v2 format

2020-05-15 00:55:06 +08:00

README.md

Update link

2020-01-22 11:04:45 +11:00

requirements.txt

Bump py_ecc to v4.0.0 (IETF BLS v2 + H2C v7)

2020-05-13 02:27:51 +08:00

README.md

BLS Test Generator

Explanation of BLS12-381 type hierarchy The base unit is bytes48 of which only 381 bits are used

FQ: uint381 modulo field modulus
FQ2: (FQ, FQ)
G2: (FQ2, FQ2, FQ2)

Resources

Eth2 spec
Finite Field Arithmetic
Chapter 2 of Elliptic Curve Cryptography. Darrel Hankerson, Alfred Menezes, and Scott Vanstone
Zcash BLS parameters
Trinity implementation

Comments

Compared to Zcash, Ethereum specs always requires the compressed form (c_flag / most significant bit always set). Also note that pubkeys and privkeys are reversed.