Updates to check local certs, fetch remote certs, and compare TCB Ver…

…sions (#24)

* initial commit of updates for retrieving remote vcek, parsing for tcb version, and comparing the tcb version with the one in the snp report

* fixing build error

* making index values constants

* reinstating CertCache in AzureInformation{} and store tcbm information gained from THIM Certs

* updating skr function for cert cache

* adding certcache to remotefs

* typo

* fixing tests

* resolving bryce's comments

* reverting THIMtoPEM func

* updating refresh of certs/snp report when checking tcb values

* updating TCB checks to refresh certs after refreshing SNP report

* updating readme to be user-friendly

* updating certcache to check for TEEType to determine if local THIM

* updates to README

* readme formatting

* updates to readme

* resolving comments

* incorporating Ken's SKR script fixes and including Bryce's build dockerfile

* fixing typo... again

* resolving build fail/comment

* addressing comments

* add CertState struct

* fixing azurefs error

* updating tests to have endpoint type

* modifications to not fail when cert cache not supplied

* resolving comments and tcb comparison issues

* fixing build errors in pipeline

* fixing failed unit test

* updating to add test tcb flag

* updating testing corrupted tcb flag to boolean and associated scripts

.gitignore

@@ -1,5 +1,8 @@
 **.o
 /azmount
 /remotefs
-/tools/get-snp-report/bin
+
 /bin
+/docker/skr/bin
+/docker/encfs/bin
+/tools/get-snp-report/bin