Imports
- github.com/sigstore/sigstore/pkg/signature
- github.com/sigstore/sigstore/pkg/signature/kms
- github.com/sigstore/sigstore/pkg/signature/kms/aws
- github.com/sigstore/sigstore/pkg/signature/kms/azure
- github.com/sigstore/sigstore/pkg/signature/kms/gcp
- github.com/sigstore/sigstore/pkg/signature/kms/hashivault
- go.step.sm/crypto/pemutil
- golang.org/x/exp/slices