tree bc9c77bba79e25ec4e8b37e359d08d84df1d7681
parent ad67abe6a17489f6f3e04e9e378f999fc0bc20e3
author Gaurav Kashyap <quic_gaurkash@quicinc.com> 1589996658 -0700
committer Gaurav Kashyap <quic_gaurkash@quicinc.com> 1589996658 -0700

VtsKernelEncryptionTest: Derive encryption key using KDF in counter mode

For HW wrapped keys use NIST 800-108 KDF in counter mode with
CMAC as PRF using a fixed label and context to derive the file
contents encryption key.

Test: VtsKernelEncryptionTest on QC device with HW wrapped keys
      supported.
Bug: 153730132

Change-Id: I1bfad57982d2f5e4628a0fee3b0ceffd28c56293