Cross Reference: /external/grpc-grpc/src/python/grpcio_tests/tests/interop/credentials

`Name`	`Date`	`Size`
Up to higher level directory
`ca.pem`	22-Oct-2020	`855`
`README`	22-Oct-2020	`52`
`server1.key`	22-Oct-2020	`912`
`server1.pem`	22-Oct-2020	`964`

README

      1 These are test keys *NOT* to be used in production.
      2