Packages with the pkcs7 use flag

dev-libs / libjcat : Library and tool for reading and writing Jcat files

  • Enable PKCS7 verification support via net-libs/gnutls

sys-apps / fwupd : Aims to make updating firmware on Linux automatic, safe and reliable

  • Enable PKCS7 verification support via net-libs/gnutls

sys-apps / kmod : library and tools for managing linux kernel modules

  • Enable PKCS#7 signature parsing for modinfo.