java中的AES 256算法遇到 Illegal key size or default parameters错的解决办法
报错信息如下:
Caused by: java.security.InvalidKeyException: Illegal key size or default parameters
at javax.crypto.Cipher.a(DashoA13*..) ~[na:1.6]
at javax.crypto.Cipher.a(DashoA13*..) ~[na:1.6]
at javax.crypto.Cipher.a(DashoA13*..) ~[na:1.6]
at javax.crypto.Cipher.init(DashoA13*..) ~[na:1.6]
at javax.crypto.Cipher.init(DashoA13*..) ~[na:1.6]
at my.package.Something.decode(RC4Decoder.java:25) ~[my.package.jar:na]
JDK8 jar包下载地址:
http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html
JDK7 jar包下载地址:
http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
JDK6 jar包下载地址:
http://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html
把里面的两个jar包:local_policy.jar 和 US_export_policy.jar 替换掉原来安装目录C:\Program Files\Java\jre6\lib\security 下的两个jar包接可以了