This bug is awaiting verification that the linux-
aws-6.5/6.5.0-1008.8~22.04.1 kernel in -proposed solves the problem.
Please test the kernel and update this bug with the results. If the
problem is solved, change the tag 'verification-needed-jammy-linux-
aws-6.5' to 'verification-done-jammy-linux-aws-6.5'. If the problem
still exists, change the tag 'verification-needed-jammy-linux-aws-6.5'
to 'verification-failed-jammy-linux-aws-6.5'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-jammy-linux-aws-6.5-v2 
verification-needed-jammy-linux-aws-6.5

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https://bugs.launchpad.net/bugs/2034061

Title:
  Default module signing algo should be accelerated

Status in linux package in Ubuntu:
  Fix Released

Bug description:
  [ Impact ]

   * Slow secureboot due to unoptimized signature verification algo

  
  [ Test Plan ]

   * Check config enforcement:

  If CONFIG_MODULE_SIG_(ALG)=y, then CONFIG_CRYPTO_(ALG)* should be =y
  as well

  [ Where problems could occur ]

   * Very old hardware incapable of a given optimisation will not gain
  from having optimised algo built-in

  [ Other Info ]
   
   * Full details

  Default module signing algo should be accelerated

  Default crypto signing algorithm for kernel modules, all its
  accelerated versions, should be built-in. This is to allow secureboot
  of accelerated machines to boot as quickly as possible when verifying
  each module signature.

  For example:

  given CONFIG_MODULE_SIG_SHA512=y

  All of

  CONFIG_CRYPTO_SHA512                            policy<{'amd64': 'y', 
'arm64': 'y', 'armhf': 'y', 'ppc64el': 'y', 'riscv64': 'y', 's390x': 'y'}>
  CONFIG_CRYPTO_SHA512                            note<'module signing'>
  CONFIG_CRYPTO_SHA512_ARM                        policy<{'armhf': 'm'}>
  CONFIG_CRYPTO_SHA512_ARM64                      policy<{'arm64': 'm'}>
  CONFIG_CRYPTO_SHA512_ARM64_CE                   policy<{'arm64': 'm'}>
  CONFIG_CRYPTO_SHA512_S390                       policy<{'s390x': 'm'}>
  CONFIG_CRYPTO_SHA512_SSSE3                      policy<{'amd64': 'm'}>

  Should be =y on secureboot platforms.

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