x.509 related updates

[tsellers-r7]

Description

The PR contains:

• Various updates to x.509 subject fingerprints
• Updates to other fingerprints for consistency sake.

Motivation and Context

Improved coverage

How Has This Been Tested?

rspec, built in example tests

Types of changes

• Content

Checklist:

• [x] I have updated the documentation accordingly (or changes are not required).
• [x] I have added tests to cover my changes (or new tests are not required).
• [x] All new and existing tests passed.

[tsellers-r7]

@hdm - since you are the original contributor of this FP database and one of its main users.

[hdm]

Looks great here!