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22 lines
557 B
TypeScript
22 lines
557 B
TypeScript
import * as secp from "@noble/secp256k1";
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import { bytesToHex } from "@waku/byte-utils";
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import { keccak256 } from "./crypto.js";
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import { NodeId } from "./types.js";
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export async function sign(
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privKey: Uint8Array,
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msg: Uint8Array
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): Promise<Uint8Array> {
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return secp.sign(keccak256(msg), privKey, {
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der: false,
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});
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}
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export function nodeId(pubKey: Uint8Array): NodeId {
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const publicKey = secp.Point.fromHex(pubKey);
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const uncompressedPubkey = publicKey.toRawBytes(false);
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return bytesToHex(keccak256(uncompressedPubkey.slice(1)));
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}
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