This repository contains the code needed to build the sidecar containers used for confidential containers.
The code in this repository should be located at $GOPATH/src/microsoft/confidential-sidecar-containers.
The docker/skr/build.sh script builds all necessary Go tools for secure key release as standalone binaries and creates a Docker image that contains them so that it
can be used as a sidecar container. The skr sidecar container is executed by calling the script skr.sh. More information about the skr API can be found here.
The skr sidecar can be queried by application containers hosted in the same pod (or container group) for retrieving attestation reports and for releasing secrets from managed HSM key vaults.
The examples/skr shows an example of how the skr sidecar can be deployed and tested within a confidential container group on ACI.
``tools/get-snp-report provides a tool which will return an SNP attestation report from the AMD PSP via linux IOCTLs. it can take a hex encoded report data value on the command line. The output is a hex encoded binary object. If piped through hex2report it can be read by people. There are two implementations inside the one tool to support the different IOCTLs requirements between linux 5.15 and 6.1 and later.
We modified the AES unwrap key without padding method to implement the aes key unwrap with padding method.
The docker/encfs/build.sh script builds all necessary Go tools (for encrypted filesystems) and creates a Docker image that contains them so that it can be used as a sidecar container. The encrypted filesystem sidecar container is executed by calling the script encfs.sh with a base64-encoded string or as an environment variable. The entry point to the sidecar is the remotefs tool which leverages the azmount tool.
The encrypted filesystem sidecar uses the SKR library to release key material from Azure Key Vault instances required for mounting the encrypted filesystems required by the application.
The examples/encfs shows an example of how the encrypted filesystem sidecar can be deployed within a confidential container group on ACI.
- Golang 1.19 or later
- Docker
- GCC 9.4.0 or later
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