INNER CODE UNIT · TypeScript

nodeGCM

paulmillr/noble-ciphers · benchmark/thirdparty/index.ts:33

const nodeGCM = (name) => {
  return {
    encrypt: (buf, opts) => {
      const res = [];
      const c = createCipheriv(name, opts.key, opts.iv);
      if (opts.aad) c.setAAD(opts.aad);
      res.push(c.update(buf));
      res.push(c.final());
      res.push(c.getAuthTag());
      return concatBytes(...res.map((i) => Uint8Array.from(i)));
    },
    decrypt: (buf, opts) => {
      const ciphertext = buf.slice(0, -16);
      const authTag = buf.slice(-16);
      const decipher = createDecipheriv(name, opts.key, opts.iv);
      if (opts.aad) c.setAAD(opts.aad);
      decipher.setAuthTag(authTag);
      return concatBytes(

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