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.
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MacOS JDK21安装包,(Oracle版本,21) (397个子文件)
java.1 183KB
keytool.1 106KB
javac.1 83KB
javadoc.1 55KB
jarsigner.1 50KB
jshell.1 41KB
jcmd.1 34KB
jstat.1 21KB
jpackage.1 21KB
jfr.1 13KB
jmod.1 11KB
jar.1 11KB
jlink.1 11KB
jdeps.1 10KB
jaccessinspector.1 9KB
jdb.1 9KB
jps.1 7KB
jdeprscan.1 7KB
jstatd.1 6KB
javap.1 6KB
jhsdb.1 6KB
jwebserver.1 5KB
kinit.1 5KB
ktab.1 5KB
jrunscript.1 4KB
jconsole.1 3KB
jmap.1 3KB
jinfo.1 2KB
rmiregistry.1 2KB
klist.1 2KB
jaccesswalker.1 2KB
jstack.1 2KB
serialver.1 2KB
jabswitch.1 2KB
jmxremote.access 4KB
fontconfig.bfc 3KB
cacerts 129KB
blocked.certs 2KB
jvm.cfg 29B
classlist 77KB
CodeResources 57KB
CodeResources 3KB
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