const md = plus.android.invoke("java.security.MessageDigest","getInstance", "SHA1")
plus.android.invoke(md, "update", byteArr)
cosnole.log(plus.android.invoke(md, "digest"))
const MessageDigest = plus.android.importClass("java.security.MessageDigest")
const digest = MessageDigest.getInstance('SHA-1')
digest.update(byteArr)
console.log(digest.digest())