[Bug 1822984] [NEW] revert tls security level back to 1

[Dimitri John Ledkov]

Public bug reported:

[Impact]
* increase minimum default tls security level from 0 to 1, as is the default upstream

[Test Case]

* generate 80bits TLS certificate and attempt to use it

* with prior openssl it should work, but with this update it should fail

[Regression Potential]

* This increases the minimum required certificate/keys sizes and
algorithms, back to what Bionic GA openssl 1.1.0 shipped as. It also now
will match upstream default. It is still lower than Debian's default
that raises it to 2 by default.

** Affects: openssl (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: openssl (Ubuntu Cosmic)
     Importance: Undecided
         Status: New

** Affects: openssl (Ubuntu Disco)
     Importance: Undecided
         Status: New

** Also affects: openssl (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Also affects: openssl (Ubuntu Disco)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1822984

Title:
  revert tls security level back to 1

Status in openssl package in Ubuntu:
  New
Status in openssl source package in Cosmic:
  New
Status in openssl source package in Disco:
  New

Bug description:
  [Impact]
  * increase minimum default tls security level from 0 to 1, as is the default upstream

  [Test Case]

  * generate 80bits TLS certificate and attempt to use it

  * with prior openssl it should work, but with this update it should
  fail

  [Regression Potential]

  * This increases the minimum required certificate/keys sizes and
  algorithms, back to what Bionic GA openssl 1.1.0 shipped as. It also
  now will match upstream default. It is still lower than Debian's
  default that raises it to 2 by default.

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