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Code Issues Projects Releases Wiki Activity

Do not use DataView (#28)

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This commit is contained in:
folex
2021-03-03 17:27:00 +03:00
committed by GitHub
parent c65c0afbee
commit 052a8a7f24
3 changed files with 5 additions and 32 deletions
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30
src/internal/particle.ts
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@ -147,12 +147,11 @@ export async function build(
timestamp: currentTime,
ttl: ttl,
script: script,
// TODO: sign particle
signature: '',
data: Buffer.from([]),
};
particle.signature = await signParticle(peerId, particle);
return particle;
}
@ -187,33 +186,6 @@ export function parseParticle(str: string): ParticleDto {
};
}
export function canonicalBytes(particle: ParticleDto) {
let peerIdBuf = Buffer.from(particle.init_peer_id, 'utf8');
let idBuf = Buffer.from(particle.id, 'utf8');
let tsArr = new ArrayBuffer(8);
new DataView(tsArr).setBigUint64(0, BigInt(particle.timestamp));
let tsBuf = Buffer.from(tsArr);
let ttlArr = new ArrayBuffer(4);
new DataView(ttlArr).setUint32(0, particle.ttl);
let ttlBuf = Buffer.from(ttlArr);
let scriptBuf = Buffer.from(particle.script, 'utf8');
return Buffer.concat([peerIdBuf, idBuf, tsBuf, ttlBuf, scriptBuf]);
}
/**
* Sign a particle with a private key from peerId.
*/
export async function signParticle(peerId: PeerId, particle: ParticleDto): Promise<string> {
let bufToSign = canonicalBytes(particle);
let signature = await peerId.privKey.sign(bufToSign);
return encode(signature);
}
export function genUUID() {
return uuidv4();
}