func (c *scryptSHA256Crypter) hash(password, stub string) (oldHashRaw []byte, newHash string, salt []byte, N, r, p int, err error) {
salt, oldHashRaw, N, r, p, err = raw.Parse(stub)
if err != nil {
return
}
return oldHashRaw, raw.ScryptSHA256(password, salt, N, r, p), salt, N, r, p, nil
}
func (c *scryptSHA256Crypter) NeedsUpdate(stub string) bool {
salt, _, N, r, p, err := raw.Parse(stub)
if err != nil {
return false // ...
}
return c.needsUpdate(salt, N, r, p)
}