google authenticator lost backup codes forums

#Google authenticator lost backup codes forums android

Only the encrypted result, salt, and IV are sent to Authy.If any Authenticator keys are 128 bits or less, we pad them using PKCS#5.To make each message unique, an IV must be used in the first block. Using the derived key, each authenticator key is encrypted with Advanced Encryption Standard AES-256, in Cipher Block Chaining (CBC) mode along with a different initialization vector (IV) for each account.The salt is generated using a secure random value.We salt the password before starting the 1000 rounds.

#Google authenticator lost backup codes forums android

This number will increase as the low range Android phone’s processor power increases. It’s a one-way function – it cannot be decrypted back and is one of the strongest hash functions available.

We use a secure hash algorithm that is is one of the strongest hash functions available.

The details of how this is done are quite important: PBKDF2 is a key stretching algorithm used to hash passwords in such a way that brute-force attacks are less effective.

Your password is then salted and run through a key derivation function called PBKDF2, which stands for Password-Based Key Derivation Function 2.

in theory, it does not need doing on every use, I expect, so time is not a pressure.

Surely bending over so much for these low-oomph devices is ill-advised? After all, that SN episode is from 2017. Some plucking done, 1000 rounds is not bad but pointed out LastPass using 5000 back in SN624 ( ).