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gnark-crypto's `bls12381G1.SetBytes` accepts uncompressed point with compression flag set

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
42/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
go
Domain
cryptography

Research direction

Start by locating bls12381G1.SetBytes and compare its handling of the supplied witness with kilic's implementation. Add regression coverage for this encoded point and verify that SetBytes rejects the uncompressed point when the compression flag is set.

Written by the indexing model from the issue text.

Description

kilic's implementation errors out instead. Witness is

	f.Add([]byte("\x97\xf1ӧ1\x97ה&\x95c\x8cO\xa9\xac\x0f\xc3h\x8cO\x97t\xb9\x05\xa1N:?\x17\x1b\xacXlU\xe8?\xf9z\x1a\xef\xfb:\xf0\n\xdb\"ƻ000000000000000000000000000000000000000000000000"))
Dominant language
Go
Stars
5
Forks
12
Avg merge
12d 28m
Merged PRs (30d)
1

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