feat: add deriveBlakeChildKeyInt
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@ -2,6 +2,7 @@ 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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import { encodeEndian } from "@lumeweb/libs5";
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export function deriveChildKey(
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parentKey: Uint8Array,
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@ -18,3 +19,10 @@ export function deriveBlakeChildKey(
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return blake3(concatBytes(parentKey, tweakHash));
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}
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export function deriveBlakeChildKeyInt(
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parentKey: Uint8Array,
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tweak: number,
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): Uint8Array {
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return blake3(concatBytes(parentKey, encodeEndian(tweak, 32)));
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}
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