Team R2R | 01 January 2020 | 21.08 MB
home paqe ：
https://u-he.com/products/twangstrom/
A flexible spring reverb box-of-tricks. If you’re familiar with Bazille, you might already have come across its built-in spring unit. We took that one, then modelled two more reverb tanks, paired it with drive section, filter stage, envelope, and mod matrix. It emulates a hand-picked selection of the most popular units you will find in classic guitar and instrument amplifiers, recreating the odd character of real springs.
Team R2R Note: (v1.0.0.8189)
HAPPY NEW YEAR!!!
Release by VR timebombs. VR tried to force-validate serial by old routine by
patching but it doesn’t really help. We checked their Hive2 release and we
found zero timebombs are patched. Now you know that users who posts “100
percent working” for their releases are zero percent trustful.
At least we checked many places they haven’t noticed.
Let’s hope we made 100 percent again this time 🙂
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Here is how U-he main protection works:
1. Generate value (0 – 2047) from the licensee name.
We call this value “UserValue”.
2. Get the hash of serial number by UrsHash.
UrsHash is combination of WHIRLPOOL512 and SHA512)
3. Get hardcodedHash[UserValue] and compare with calculated hash.
If it matches, license = OK.
This means, serial number is not generated for users dynamically. The hash
of all serial numbers are hardcoded to the app since the first release. User
name is just used to determine which correct serial number to assign. This
is good if dev has many customers, otherwise serial check will be dull and
slow (check all hardcoded serials one by one, this is done by RobPapen).
However, there is the weak point in this “wise” protection. Once legit serial
numbers are leaked, that serial number can be used to other name. You can
make another licensee for that serial by colliding “UserValue”. This is not
easy to avoid. Blacklisting the leaked serial number can affect to the legit
users too, because that user may have same UserValue with leaked licensee.
In short:
– Uhe app contains 2048 correct hashed serial numbers.
– Calculate valid serial from hashed serial is nearly impossible.
– User A and User B may have same legit serial number.
-> Generate another valid name for leaked serial can be possible.
Enjoy checking many security aspects for the uhe type protection.
These UserValue+Hash protection is used by Arturia, Audiority, SonicAcademy,
LVC-Audio, Youlean etc. Valid user+serial pair can be made from legit serial.
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