Promise version of Node.js crypto module.
Example
const crypto = const test = async { const hash = await cryptohash'md5''hello' hash // 5d41402abc4b2a76b9719d911017c592 const hmac = await crypto'hello' hmac // 5112055c05f944f85755efc5cd8970e194e9f45b const cipher = await crypto'hello' cipher // f824105d6cadf7776b130cd80fdfeabf const decipher = await crypto'f824105d6cadf7776b130cd80fdfeabf' 'hex' decipher // hello const rand = await crypto randlength // 16}