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Merge pull request #93 from yhc125/patch-1

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Paul Miller 2023-10-16 17:36:43 +02:00 committed by GitHub
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@ -761,6 +761,7 @@ if you need to hash to **public key**.
import { p256 } from '@noble/curves/p256'; import { p256 } from '@noble/curves/p256';
import { sha256 } from '@noble/hashes/sha256'; import { sha256 } from '@noble/hashes/sha256';
import { hkdf } from '@noble/hashes/hkdf'; import { hkdf } from '@noble/hashes/hkdf';
import * as mod from '@noble/curves/abstract/modular';
const someKey = new Uint8Array(32).fill(2); // Needs to actually be random, not .fill(2) const someKey = new Uint8Array(32).fill(2); // Needs to actually be random, not .fill(2)
const derived = hkdf(sha256, someKey, undefined, 'application', 48); // 48 bytes for 32-byte priv const derived = hkdf(sha256, someKey, undefined, 'application', 48); // 48 bytes for 32-byte priv
const validPrivateKey = mod.hashToPrivateScalar(derived, p256.CURVE.n); const validPrivateKey = mod.hashToPrivateScalar(derived, p256.CURVE.n);