feat: make sure random bytes are non-zero

[matthewkeil]

Caught an issue with verification

Ensure rand bytes are never all 0.

Was originally like this in the old blst

blst-ts/src/lib.ts

Line 288 in b1ba633

const rand = randomBytesNonZero(RAND_BYTES);

[github-actions]

Performance Report

✔️ no performance regression detected

Full benchmark results

Benchmark suite	Current: 85851c9	Previous: -	Ratio
PublicKey serialization	1.1600 us/op
PublicKey deserialize	22.501 us/op
PublicKey deserialize and validate - 1 keys	83.733 us/op
PublicKey deserialize and validate - 100 keys	8.3303 ms/op
PublicKey deserialize and validate - 10000 keys	831.04 ms/op
SecretKey.fromKeygen	3.5550 us/op
SecretKey serialization	1.1260 us/op
SecretKey deserialization	1.6380 us/op
SecretKey.toPublicKey	138.53 us/op
SecretKey.sign	532.29 us/op
Signature serialization	1.2990 us/op
Signature deserialize	44.310 us/op
Signatures deserialize and validate - 1 sets	121.02 us/op
Signatures deserialize and validate - 100 sets	12.023 ms/op
Signatures deserialize and validate - 10000 sets	1.1988 s/op
aggregatePublicKeys - 1 sets	2.4970 us/op
aggregatePublicKeys - 8 sets	10.604 us/op
aggregatePublicKeys - 32 sets	38.592 us/op
aggregatePublicKeys - 128 sets	149.04 us/op
aggregatePublicKeys - 256 sets	299.24 us/op
aggregateSignatures - 1 sets	4.2330 us/op
aggregateSignatures - 8 sets	24.161 us/op
aggregateSignatures - 32 sets	91.528 us/op
aggregateSignatures - 128 sets	362.10 us/op
aggregateSignatures - 256 sets	730.11 us/op
aggregateVerify - 1 sets	1.5905 ms/op
aggregateVerify - 8 sets	5.7645 ms/op
aggregateVerify - 32 sets	20.472 ms/op
aggregateVerify - 128 sets	79.173 ms/op
aggregateVerify - 256 sets	157.81 ms/op
verifyMultipleAggregateSignatures - 1 sets	1.6445 ms/op
verifyMultipleAggregateSignatures - 8 sets	6.1784 ms/op
verifyMultipleAggregateSignatures - 32 sets	22.107 ms/op
verifyMultipleAggregateSignatures - 128 sets	85.978 ms/op
verifyMultipleAggregateSignatures - 256 sets	170.94 ms/op
Same message - 1 sets	1.7178 ms/op
Same message - 8 sets	2.5895 ms/op
Same message - 32 sets	5.5460 ms/op
Same message - 128 sets	17.380 ms/op
Same message - 256 sets	33.296 ms/op
libuv multithreading - addVerificationRandomness true	20.624 s/op
libuv multithreading - addVerificationRandomness false	20.666 s/op

by benchmarkbot/action