[SP 800-56B](https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-56Br2.pdf) stipulates that the publicExponent e "shall" be 65,537 ≤ e < 2^256
------------- Commit messages: - initial commit for JDK-8289939 Changes: https://git.openjdk.org/jdk/pull/9413/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9413&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8289939 Stats: 18 lines in 1 file changed: 18 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/9413.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9413/head:pull/9413 PR: https://git.openjdk.org/jdk/pull/9413
