Function decryptMessage

samples/15-encryption.ts:1109–1120

(password: string, envelope: Uint8Array)

    }

    async function decryptMessage(password: string, envelope: Uint8Array): Promise<string> {
      const salt = envelope.slice(0, 16);
      const iv = envelope.slice(16, 28);
      const ciphertext = envelope.slice(28, envelope.length - 16);
      const authTag = envelope.slice(envelope.length - 16);

      const key = await deriveKey(password, salt);

      return Stream.text(
        Stream.pull(Stream.from(ciphertext), createAes256GcmDecryptTransform(key, { iv, authTag }))
      );
    }

    const password = 'my-secret';
    const message = 'Complete encrypted message using Stream.pull()!';