linux-stable.git/drivers/crypto/ccp, branch v4.16.2

crypto: ccp - return an actual key size from RSA max_size callback

2018-04-08T12:29:51+00:00

commit 0a9eb80e643064266868bd2fb2cd608e669309b0 upstream.

rsa-pkcs1pad uses a value returned from a RSA implementation max_size
callback as a size of an input buffer passed to the RSA implementation for
encrypt and sign operations.

CCP RSA implementation uses a hardware input buffer which size depends only
on the current RSA key length, so it should return this key length in
the max_size callback, too.
This also matches what the kernel software RSA implementation does.

Previously, the value returned from this callback was always the maximum
RSA key size the CCP hardware supports.
This resulted in this huge buffer being passed by rsa-pkcs1pad to CCP even
for smaller key sizes and then in a buffer overflow when ccp_run_rsa_cmd()
tried to copy this large input buffer into a RSA key length-sized hardware
input buffer.

Signed-off-by: Maciej S. Szmigiero 
Fixes: ceeec0afd684 ("crypto: ccp - Add support for RSA on the CCP")
Cc: stable@vger.kernel.org
Acked-by: Gary R Hook 
Signed-off-by: Herbert Xu 
Signed-off-by: Greg Kroah-Hartman

crypto: ccp - Fill the result buffer only on digest, finup, and final ops

2018-04-08T12:29:50+00:00

commit 0ee991be4cdd88587aedbf68cdacd1765f57236a upstream.

Any change to the result buffer should only happen on final, finup
and digest operations. Changes to the buffer for update, import, export,
etc, are not allowed.

Fixes: 66d7b9f6175e ("crypto: testmgr - test misuse of result in ahash")
Signed-off-by: Gary R Hook 
Cc: 
Signed-off-by: Herbert Xu 
Signed-off-by: Greg Kroah-Hartman

crypto: ccp: Fix sparse, use plain integer as NULL pointer

2018-02-24T01:24:10+00:00

Fix sparse warning: Using plain integer as NULL pointer. Replaces
assignment of 0 to pointer with NULL assignment.

Cc: Paolo Bonzini 
Cc: Radim Krčmář 
Cc: Borislav Petkov 
Cc: Herbert Xu 
Cc: Gary Hook 
Cc: Tom Lendacky 
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Brijesh Singh 
Signed-off-by: Paolo Bonzini

Merge tag 'kvm-4.16-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2018-02-10T21:16:35+00:00

Pull KVM updates from Radim Krčmář:
 "ARM:

   - icache invalidation optimizations, improving VM startup time

   - support for forwarded level-triggered interrupts, improving
     performance for timers and passthrough platform devices

   - a small fix for power-management notifiers, and some cosmetic
     changes

  PPC:

   - add MMIO emulation for vector loads and stores

   - allow HPT guests to run on a radix host on POWER9 v2.2 CPUs without
     requiring the complex thread synchronization of older CPU versions

   - improve the handling of escalation interrupts with the XIVE
     interrupt controller

   - support decrement register migration

   - various cleanups and bugfixes.

  s390:

   - Cornelia Huck passed maintainership to Janosch Frank

   - exitless interrupts for emulated devices

   - cleanup of cpuflag handling

   - kvm_stat counter improvements

   - VSIE improvements

   - mm cleanup

  x86:

   - hypervisor part of SEV

   - UMIP, RDPID, and MSR_SMI_COUNT emulation

   - paravirtualized TLB shootdown using the new KVM_VCPU_PREEMPTED bit

   - allow guests to see TOPOEXT, GFNI, VAES, VPCLMULQDQ, and more
     AVX512 features

   - show vcpu id in its anonymous inode name

   - many fixes and cleanups

   - per-VCPU MSR bitmaps (already merged through x86/pti branch)

   - stable KVM clock when nesting on Hyper-V (merged through
     x86/hyperv)"

* tag 'kvm-4.16-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (197 commits)
  KVM: PPC: Book3S: Add MMIO emulation for VMX instructions
  KVM: PPC: Book3S HV: Branch inside feature section
  KVM: PPC: Book3S HV: Make HPT resizing work on POWER9
  KVM: PPC: Book3S HV: Fix handling of secondary HPTEG in HPT resizing code
  KVM: PPC: Book3S PR: Fix broken select due to misspelling
  KVM: x86: don't forget vcpu_put() in kvm_arch_vcpu_ioctl_set_sregs()
  KVM: PPC: Book3S PR: Fix svcpu copying with preemption enabled
  KVM: PPC: Book3S HV: Drop locks before reading guest memory
  kvm: x86: remove efer_reload entry in kvm_vcpu_stat
  KVM: x86: AMD Processor Topology Information
  x86/kvm/vmx: do not use vm-exit instruction length for fast MMIO when running nested
  kvm: embed vcpu id to dentry of vcpu anon inode
  kvm: Map PFN-type memory regions as writable (if possible)
  x86/kvm: Make it compile on 32bit and with HYPYERVISOR_GUEST=n
  KVM: arm/arm64: Fixup userspace irqchip static key optimization
  KVM: arm/arm64: Fix userspace_irqchip_in_use counting
  KVM: arm/arm64: Fix incorrect timer_is_pending logic
  MAINTAINERS: update KVM/s390 maintainers
  MAINTAINERS: add Halil as additional vfio-ccw maintainer
  MAINTAINERS: add David as a reviewer for KVM/s390
  ...

crypto: drivers - remove duplicate includes

2017-12-22T08:29:01+00:00

These duplicate includes have been found with scripts/checkincludes.pl but
they have been removed manually to avoid removing false positives.

Signed-off-by: Pravin Shedge 
Signed-off-by: Herbert Xu

crypto: ccp: Implement SEV_PDH_CERT_EXPORT ioctl command

2017-12-04T16:57:31+00:00

The SEV_PDH_CERT_EXPORT command can be used to export the PDH and its
certificate chain. The command is defined in SEV spec section 5.10.

Cc: Paolo Bonzini 
Cc: "Radim Krčmář" 
Cc: Borislav Petkov 
Cc: Herbert Xu 
Cc: Gary Hook 
Cc: Tom Lendacky 
Cc: linux-crypto@vger.kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Improvements-by: Borislav Petkov 
Signed-off-by: Brijesh Singh 
Acked-by: Gary R Hook

crypto: ccp: Implement SEV_PEK_CERT_IMPORT ioctl command

2017-12-04T16:57:31+00:00

The SEV_PEK_CERT_IMPORT command can be used to import the signed PEK
certificate. The command is defined in SEV spec section 5.8.

Cc: Paolo Bonzini 
Cc: "Radim Krčmář" 
Cc: Borislav Petkov 
Cc: Herbert Xu 
Cc: Gary Hook 
Cc: Tom Lendacky 
Cc: linux-crypto@vger.kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Improvements-by: Borislav Petkov 
Signed-off-by: Brijesh Singh 
Acked-by: Gary R Hook 
Reviewed-by: Borislav Petkov

crypto: ccp: Implement SEV_PEK_CSR ioctl command

2017-12-04T16:57:31+00:00

The SEV_PEK_CSR command can be used to generate a PEK certificate
signing request. The command is defined in SEV spec section 5.7.

Cc: Paolo Bonzini 
Cc: "Radim Krčmář" 
Cc: Borislav Petkov 
Cc: Herbert Xu 
Cc: Gary Hook 
Cc: Tom Lendacky 
Cc: linux-crypto@vger.kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Improvements-by: Borislav Petkov 
Signed-off-by: Brijesh Singh 
Acked-by: Gary R Hook

crypto: ccp: Implement SEV_PDH_GEN ioctl command

2017-12-04T16:57:30+00:00

The SEV_PDH_GEN command is used to re-generate the Platform
Diffie-Hellman (PDH) key. The command is defined in SEV spec section
5.6.

Cc: Paolo Bonzini 
Cc: "Radim Krčmář" 
Cc: Borislav Petkov 
Cc: Herbert Xu 
Cc: Gary Hook 
Cc: Tom Lendacky 
Cc: linux-crypto@vger.kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Brijesh Singh 
Reviewed-by: Borislav Petkov 
Acked-by: Gary R Hook

crypto: ccp: Implement SEV_PEK_GEN ioctl command

2017-12-04T16:57:30+00:00

The SEV_PEK_GEN command is used to generate a new Platform Endorsement
Key (PEK). The command is defined in SEV spec section 5.6.

Cc: Paolo Bonzini 
Cc: "Radim Krčmář" 
Cc: Borislav Petkov 
Cc: Herbert Xu 
Cc: Gary Hook 
Cc: Tom Lendacky 
Cc: linux-crypto@vger.kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Borislav Petkov 
Improvements-by: Borislav Petkov 
Signed-off-by: Brijesh Singh 
Acked-by: Gary R Hook