There are two generations of WD encrypted drives:
1st generation - WD drives with USB encryption bridge (based on encryption controller chips like Initio, Symwave, JMicron)
2nd generation - WD drives with encryption inside the Main IC chip (SED - Self-Encrypting Drives).
At the same time, WD drives have a SmartWare utility that can set the user password. In other words, there are two methods of encryption:
1) Using encryption key (by default).
2) Using encryption key + user password (optionally).
For the 1st generation drives:
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If a WD drive is based on the encryption bridge Symway, the PC-3000 will get access to the user data, no matter if the user password is set or not.
If a WD drive is based on encryption bridges Initio or JMicron and the user password is set, the PC-3000 will require to enter the user password (user password is needed).
For the 2nd generation drives:
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All the Self-Encryption Drives from the 2nd generation can be successfully decrypted by the PC-3000 no matter whether the user password is set or not.
The PC-3000 software automatically detects the generation of a WD drive and encryption method.
The encryption will be done automatically if a WD drive is based on Symwave (the 1st generation) or if a WD drive belongs to the 2nd generation (user password doesn't play any role in the 2nd generation).