DSAPrivateKey privatekey = (DSAPrivateKey)keypair.getPrivate();//签名和验证 //签名 Signature sign = Signature.getInstance("SHA1withDSA");sign.initSign(privatekey);//初始化私钥，签名只能是私钥 sign.update(data.getBytes());//更新签名数据 byte[] b = sign.sign();//签名，返回签名后的字节...
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signature = Signature.getInstance("SHA1withDSA");signature.initVerify(publicKey);signature.update(src.getBytes());boolean bool = signature.verify(result);System.out.println("jdk dsa verify : " + bool);} catch (Exception e) { e.printStackTrace();} } } 四、实现效果 jdk dsa sign :302c021...
Show more of this group Show more artifacts with this name Show all versions of bcprov-jdk18on Show documentation The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Ca...
遥控对点时不需要确定间隔现场命名是否与开关模型命名相同。【简答题】限制性内切核酸酶是按属名和种名相结合的原则命名的，第一个大写字母取自___，第二、三两个字母取自___，第四个字母则表示___，最后的罗马数字表示同株内发现和分离的先后顺序。
java加密解密算法MD5SHA1，DSA 通常,使⽤的加密算法⽐较简便⾼效,密钥简短，加解密速度快，破译极其困难。本⽂介绍了 MD5/SHA1，DSA，DESede/DES，Diffie-Hellman的使⽤。第1章基础知识 1.1. 单钥密码体制 单钥密码体制是⼀种传统的加密，是指信息的发送⽅和接收⽅共同使⽤同⼀把密钥进⾏加...
专利权保护期限从哪一天开始计算?(2002年试卷一第32题)有以下程序 #include #include main() { FILE *fp; char ch,str[5]; if((fp=fopen("file.txt","wb+"))==NULL) { printf("error!"); exit(0); } ch=getchar(); while( ch!='!') { fputc(ch,fp); ch=getchar(); } rew...
This section provides the test result of DSA public key encryption and private key decryption using the javax.crypto.Cipher class. © 2002-2025 by Dr. Herong Yang. All rights reserved. Here is the result of my first test of JcePublicCipher.java with the DSA algorithm. ...
Here is the result of my first test of JcePublicCipher.java with the DSA algorithm. It was done with JDK 1.8. >java JcePublicCipher DSA encrypt dsa.pub JcePublicCipher.java jce.cph KeyFactory Object Info: Algorithm = DSA Provider = SUN version 1.8 toString = java.security.KeyFactory@42...
密码学实验-实验6DSA数字签名算法 实验报告 ⼀、实验⽬的 理解DSA算法原理 ⼆、实验内容与设计思想 数字签名是⼀种以电⼦形式给消息签名的⽅法，是只有信息发送⽅才能进⾏的签名、信息发送⽅进⾏签名后将产⽣⼀段任何⼈都⽆法伪造的字符串，这段特殊的字符串同时也是对签名真实性的⼀种...