[jdk17u-dev] RFR: 8269039: Disable SHA-1 Signed JARs [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.5-oracle.
> 
> Almost clean except for the chunk of test/.../SecurityUtils.java that was already backported in 
> 8278851: Correct signer logic for jars signed with multiple digestalgs

Goetz Lindenmaier has updated the pull request incrementally with one additional commit since the last revision:

  Add binary files changed in 8269039

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/510/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/510/files/f5aa5164..9184ae91

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=510&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=510&range=00-01

  Stats: 0 lines in 3 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/510.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/510/head:pull/510

PR: https://git.openjdk.org/jdk17u-dev/pull/510