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SSD (Society System Decontrol) were a straight edge hardcore (and later heavy metal) band from Boston. They released two records as SS Decontrol and then formally changed their name to SSD. As SSD they released two more records, these with a very heavy metal influenced sound. However the group is often simply referred to, including all its periods, as SSD.

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Posted by waqasahmad

It is a part of an encryption process and can also be used to establish a voice privacy key.

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Posted by waqqas1

SSD is basically a part of an encryption process supporting authentication of mobile phones.and all the procedures use a secondary key called shared Secret Data.

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Posted by HamidAliKhan

hared Secret Data (SSD) is part of an encryption process supporting authentication of mobile phones. It uses an encryption key installed in the phone at the time of activation and known to the system through an entry in the HLR, that protects signalling and identity information. It can also be used to establish a voice privacy key.

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Posted by sagitraz

All the procedures use a secondary key called SSD (Shared Secret Data).

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Posted by rickwalker