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            Java(TM) Cryptography Extension Policy Files
    for the Java(TM) Platform, Standard Edition Runtime Environment

                               README
------------------------------------------------------------------------

Import and export control rules on cryptographic software vary from
country to country.  The Java Cryptography Extension (JCE) architecture
allows flexible cryptographic key strength to be configured via the
jurisdiction policy files which are referenced by the "crypto.policy"
security property in the <java-home>/conf/security/java.security file.

By default, Java provides two different sets of cryptographic policy
files:

    unlimited:  These policy files contain no restrictions on cryptographic
                strengths or algorithms

    limited:    These policy files contain more restricted cryptographic
                strengths

These files reside in <java-home>/conf/security/policy in the "unlimited"
or "limited" subdirectories respectively.

Each subdirectory contains a complete policy configuration,
and subdirectories can be added/edited/removed to reflect your
import or export control product requirements.

Within a subdirectory, the effective policy is the combined minimum
permissions of the grant statements in the file(s) matching the filename
pattern "default_*.policy".  At least one grant is required.  For example:

    limited   =  Export (all) + Import (limited)  =  Limited
    unlimited =  Export (all) + Import (all)      =  Unlimited

The effective exemption policy is the combined minimum permissions
of the grant statements in the file(s) matching the filename pattern
"exempt_*.policy".  Exemption grants are optional.  For example:

    limited   =  grants exemption permissions, by which the
                 effective policy can be circumvented.
                 e.g.  KeyRecovery/KeyEscrow/KeyWeakening.

Please see the Java Cryptography Architecture (JCA) documentation for
additional information on these files and formats.

YOU ARE ADVISED TO CONSULT YOUR EXPORT/IMPORT CONTROL COUNSEL OR ATTORNEY
TO DETERMINE THE EXACT REQUIREMENTS.

Please note that the JCE for Java SE, including the JCE framework,
cryptographic policy files, and standard JCE providers provided with
the Java SE, have been reviewed and approved for export as mass market
encryption item by the US Bureau of Industry and Security.
    -Xmixed           mixed mode execution (default)
    -Xint             interpreted mode execution only
    -Xbootclasspath:<directories and zip/jar files separated by ;>
                      set search path for bootstrap classes and resources
    -Xbootclasspath/a:<directories and zip/jar files separated by ;>
                      append to end of bootstrap class path
    -Xbootclasspath/p:<directories and zip/jar files separated by ;>
                      prepend in front of bootstrap class path
    -Xnoclassgc       disable class garbage collection
    -Xlog:<opts>      control JVM logging, use -Xlog:help for details
    -Xbatch           disable background compilation
    -Xms<size>        set initial Java heap size
    -Xmx<size>        set maximum Java heap size
    -Xss<size>        set java thread stack size
    -Xfuture          enable strictest checks, anticipating future default
    -Xrs              reduce use of OS signals by Java/VM (see documentation)
    -Xcheck:jni       perform additional checks for JNI functions
    -Xshare:off	      do not attempt to use shared class data
    -Xshare:auto      use shared class data if possible (default)
    -Xshare:on	      require using shared class data, otherwise fail.

The -X options are non-standard and subject to change without notice.
SILO

bruce did it all-

presented at Demobit 2019

OpenJDK 11.0.2-9, Kotlin 1.3.20, OPENRNDR 0.3.32
PBR textures from various sources

This very likely requires a beefy GPU. My GTX 1050 doesn't really like this.