feat: change deriveChildKey to hkdf sha256 and create deriveBlakeChildKey that hashes based on the initial blake3 route used by s5
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@ -1,9 +1,18 @@
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import { blake3 } from "@noble/hashes/blake3";
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import { concatBytes } from "@noble/hashes/utils";
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import { hkdf } from "@noble/hashes/hkdf";
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import { sha256 } from "@noble/hashes/sha256";
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export function deriveChildKey(
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parentKey: Uint8Array,
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tweak: string,
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): Uint8Array {
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return hkdf(sha256, parentKey, undefined, tweak, 32);
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}
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export function deriveBlakeChildKey(
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parentKey: Uint8Array,
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tweak: string,
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): Uint8Array {
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const tweakHash = blake3(tweak);
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