利用椭圆算法对数据进行签名认证的代码,需要下载bcprov-jdk16-137.jar进行支持.-The use of the data ellipse algorithm signature verification code, will need to download bcprov-jdk16-137.jar support.

RSA算法的java代码，有界面，需要到http://www.bouncycastle.org下载bcprov-jdk14-123.jar-RSA algorithm java code, there are interfaces, you need to http://www.bouncycastle.org download bcprov-jdk14-123.jar