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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jdk-20.0.2_windows-x64_bin.zip (418个子文件)
jmxremote.access 4KB
fontconfig.bfc 5KB
cacerts 116KB
blocked.certs 2KB
jvm.cfg 29B
classlist 78KB
COPYRIGHT 3KB
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public_suffix_list.dat 229KB
tzdb.dat 101KB
jvm.dll 12.25MB
awt.dll 1.42MB
ucrtbase.dll 1011KB
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fontmanager.dll 826KB
msvcp140.dll 558KB
freetype.dll 530KB
mlib_image.dll 499KB
javaaccessbridge.dll 285KB
lcms.dll 246KB
jdwp.dll 230KB
splashscreen.dll 216KB
javajpeg.dll 177KB
java.dll 147KB
jpackage.dll 129KB
vcruntime140.dll 95KB
jli.dll 89KB
zip.dll 87KB
nio.dll 78KB
j2pkcs11.dll 77KB
windowsaccessbridge-64.dll 71KB
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