Enhance SunEC provider with the support of Brainpool256/320/384/512r1 curves
No providers in OpenJDK supports any of the Brainpool curves in RFC 5639 which are used by many ePassport deployments in Europe.
Enhanced SunEC provider to support Brainpool256/320/384/512r1 curves.
No public API changes. All sources changes are in SunEC provider codebase, i.e. inside jdk.crypto.ec module. The webrev (webrev7007966.zip) is attached to this CSR.