Output hash does not match firebase hash

[decaffjoe]

When using the same parameters (memCost, rounds, saltSeparator, signerKey) this library does not always produce the same hash as the hash stored on firebase.

For instance, with the same init parameters, password and salt this library produces this hash:

ERD5RmAyHp21ebGFfeurPplBd9veb7T9mme+IQ1X68aaOVw5ZFhou84297k/x8zLHFoo+vQXiy2VRxq5pGqc0g==

while the firebase hash is actually:

ERD5RmAyHp21ebGFfeurPplBd9veb7T9mme-IQ1X68aaOVw5ZFhou84297k_x8zLHFoo-vQXiy2VRxq5pGqc0g==

In this case, replacing the + char with - and / with _ makes the library hash equal the firebase hash.

I am wondering if this is due to some type of encoding difference between the library and firebase? In the short term, is anyone aware of other differences like this that should be accounted for?

[xeewi]

Hi,

We got a similar problem in an old version, but this PR should have solve the problem 🤔

#7

Any idea @nicoburns ?