Sylabs Singularity 3.0 through 3.5 lacks support for an Integrity Check. Singularity's sign and verify commands do not sign metadata found in the global header or data object descriptors of a SIF file.
{ "binaries": [ { "binary_version": "2.4.2-4ubuntu0.1~esm1", "binary_name": "singularity-container" } ] }
{ "binaries": [ { "binary_version": "4.1.1+ds2-1ubuntu0.3", "binary_name": "golang-github-sylabs-singularity-dev" }, { "binary_version": "4.1.1+ds2-1ubuntu0.3", "binary_name": "singularity-container" } ] }
{ "binaries": [ { "binary_version": "4.1.5+ds4-1", "binary_name": "golang-github-sylabs-singularity-dev" }, { "binary_version": "4.1.5+ds4-1", "binary_name": "singularity-container" } ] }