Re: [Qemu-devel] [PATCH v3] virtio-crypto: zeroize the key material before free

2017-01-08 Thread Gonglei (Arei)
Hi Michael, Ping... Regards, -Gonglei > -Original Message- > From: Gonglei (Arei) > Sent: Thursday, December 22, 2016 11:01 AM > To: qemu-devel@nongnu.org > Cc: m...@redhat.com; Gonglei (Arei) > Subject: [PATCH v3] virtio-crypto: zeroize the key material before free > > Common practic

[Qemu-devel] [PATCH v3] virtio-crypto: zeroize the key material before free

2016-12-21 Thread Gonglei
Common practice with sensitive information (key material, passwords, etc). Prevents sensitive information from being exposed by accident later in coredumps, memory disclosure bugs when heap memory is reused, etc. Sensitive information is sometimes also held in mlocked pages to prevent it being swa