Java 是支持AES256的,不过需要下载Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files from sun website, uncompress the file and copy local_policy.jar and US_export_policy.jar to your $JAVA_HOME\jre\lib\security
IBM官网下载: IBM SDK下的:local_policy.jar 和US_export_policy.jar 替换jar路径:PRODUCT_INSTALLATION_DIR/jre/jre/lib/security Java 5.0 SR16, Java 6 SR13, Java 6 SR5 (J9 VM2.6), Java 7 SR4, Java 8 GA, and all later releases Version Multiple Languages: English Inte