[jdk11u-dev] RFR: 8302017: Allocate BadPaddingException only if it will be thrown [v2]

[Alexey Bakhtin]

> Almost clean backport from [JDK17 PR](https://github.com/openjdk/jdk17u-dev/pull/1864)
> The only difference is the copyright years and switch statement in the RSAPadding::unpad()

Alexey Bakhtin has updated the pull request incrementally with one additional commit since the last revision:

  Revert RSAPadding copyright year

-------------

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/2383/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/2383/files/0a33cb2b..e935f07e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2383&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2383&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2383.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2383/head:pull/2383

PR: https://git.openjdk.org/jdk11u-dev/pull/2383