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| Sniffing the Rigol's internal I2C bus |
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| tv84:
--- Quote from: aristarchus on March 01, 2020, 10:54:42 pm ---From what I understand, the license codes generated via the 'hacked' method are exactly the same digit-by-digit with what someone would get officially for the same option on the same serial number device. So, eventually they have to survive any FW upgrade. (loose neckties everywhere..) --- End quote --- Well, let's get loose-necktie techie for a bit: the licenses are not exactly the same digit-by-digit because they are dependent on a k-factor (usually random). So, they can be different but the achieve the same goal. |
| aristarchus:
--- Quote from: tv84 on March 02, 2020, 04:58:20 pm ---Well, let's get loose-necktie techie for a bit: the licenses are not exactly the same digit-by-digit because they are dependent on a k-factor (usually random). So, they can be different but the achieve the same goal. --- End quote --- Thanks tv84 for clearing this, interesting. (I have to review the riglol sources and see how this plays out) |
| ve7xen:
It's also very unlikely but not completely outside the realm of possibility that Rigol revokes the existing keys, and issues new licenses to legitimate customers. |
| McBryce:
--- Quote from: ve7xen on March 03, 2020, 12:07:39 am ---It's also very unlikely but not completely outside the realm of possibility that Rigol revokes the existing keys, and issues new licenses to legitimate customers. --- End quote --- So annoy all the paid customers, making them enter new codes for the products they already paid for, just to remove a few users that "libereated" their scope themselves?? Extremely unlikely I'd say. McBryce. |
| 2N3055:
--- Quote from: ve7xen on March 03, 2020, 12:07:39 am ---It's also very unlikely but not completely outside the realm of possibility that Rigol revokes the existing keys, and issues new licenses to legitimate customers. --- End quote --- And why would they do that when, for a year now, all options are free and unlocked...? |
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