The package golang-github-minio-sha256-simd 0.0~git20161219.0.e82e73b-1 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-minio-sha256-simd -- More information about golang-github-minio-sha256-simd: http://pkg.kali.org/pkg/golang-github-minio-sha256-simd