kbs_protocol: support composite attestation for IBM SE#1475
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Use more secure SHA-512 algorithm for report data in IBM SEL instead of the fallback algorithm SHA-384. Signed-off-by: Hyounggyu Choi <Hyounggyu.Choi@ibm.com>
Extract the process_runtime_digest() helper function from the SE attester into a general-purpose utility function. Signed-off-by: Hyounggyu Choi <Hyounggyu.Choi@ibm.com>
Now in the kbs protocol level, the report_data/runtime_data digest could be set, thus the binding between device evidences and CPU evidence can be acieved for IBM SE. Signed-off-by: Xynnn007 <xynnn@linux.alibaba.com>
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Now in the kbs protocol level, the report_data/runtime_data digest could be set, thus the binding between device evidences and CPU evidence can be acieved for IBM SE.
Based on #1469