Reverse Engineering HID iClass Master Keys

Exploiting a vulnerability in HID iClass system to retrieve master authentication key for cloning cards and changing reader settings.

Security Operations

0

Reverse Engineering HID iClass Master Keys

Exploiting a vulnerability in HID iClass system to retrieve master authentication key for cloning cards and changing reader settings.

Security Operations•Offensive Security

Encryption Iot Debugging

0

Updated 16 Oct 25

Reverse Engineering HID iClass Master Keys Description

The HID iClass line of proximity cards and readers, known for its encryption and mutual authentication, has a vulnerability that allows retrieval of the master authentication key, enabling cloning of cards and changing reader settings. The method involves exploiting debug pins on specific readers to modify firmware and extract the key.

Reverse Engineering HID iClass Master Keys Description

The HID iClass line of proximity cards and readers, known for its encryption and mutual authentication, has a vulnerability that allows retrieval of the master authentication key, enabling cloning of cards and changing reader settings. The method involves exploiting debug pins on specific readers to modify firmware and extract the key.

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