gnupg: treats no-usage-permitted keys as all-usages-permitted

GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared no usage permitted as if it has all bits set all usage permitted, which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey...

gnupg: treats no-usage-permitted keys as all-usages-permitted

GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared no usage permitted as if it has all bits set all usage permitted, which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey...