unused import
do not force loading of jar-dependencies + possibly respect jars skipped

related: jruby/jruby#1974
handle JCE security errors on Java 6 correctly
only a fips_mode writer exists in MRI OpenSSL
OpenSSL deprecated_warning_flag and check_func API compatibility stubs
cleanup OpenSSL::Digest internals - make sure block_length works for more
support OpenSSL.Digest and add some API methods tests
test and review our support to use available Java digest names
move the same OpenSSL::Digest logic into native code
getConstantAt is enough ...
improving our ASN1/Name internals - mostly for better compatibility (and sanity!)
improve our ASN1 decoding for better MRI compatibility
match class naming conventions for ASN1's internal ones
no args passed is fine
`OpenSSL::ASN1::Constructive.class_eval { attr_writer :infinite_length }`
better working to_der conversion esp. with constructives (indefinite lengths)
ASN1::Constructive parsing to ~ match C OpenSSL ... need to tune BC's readObject!
well - only raise for "raw" Constructive (nto for Sequence/Set)
X509Attribute's preliminary to_der (that likely won't work for now due BC limits)