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RNG Protocol Error in Lenovo ThinkPad Firmware

The UEFI specification defines a Random Number Generator protocol (RNG), which can be used to provide random numbers for use in nonces, key generators, signature schemes and more. This protocol was first introduced in version 2.4 of the specification. A UEFI RNG service that implements this protocol takes an optional input value that identifies an RNG algorithm and provides a RNG value based on the input value and internal state, including the state of its entropy sources. When a Deterministic Random Bit Generator (DRBG) is used on the output of the raw entropy source, its security level must be at