* @return: java.security.interfaces.RSAPublicKey */ publicstaticRSAPublicKeygetPublicKey(StringpublicKey)throwsNoSuchAlgorithmException,InvalidKeySpecException{ //通过X509编码的Key指令获得公钥对象 KeyFactorykeyFactory=Ke
*@throwsNoSuchAlgorithmException * */publicstaticHashMap<String, Object>getKeys()throwsNoSuchAlgorithmException { HashMap<String, Object> map =newHashMap<String, Object>();KeyPairGeneratorkeyPairGen=KeyPairGenerator.getInstance("RSA"); keyPairGen.initialize(1024);KeyPairkeyPair=keyPairGen.generateKey...
import java.util.Map; /** * 非对称加密 - 网上随便摘抄了一个 * @date 2020/12/6 13:38 * @author wei.heng */ public class RSACoderUtil { static Logger log = LoggerFactory.getLogger(RSACoderUtil.class); /** 非对称密钥算法 */ private static final String KEY_ALGORITHM = "RSA"; /**...
Implementation of the RSA algorithm in Java between three parties using Java's BigInteger library. Two of them are the communicating parties and the third acts as an attacker whose purpose is to eavesdrop on the conversation between the previous two. The implementation follows the main rules of ...
java.lang.String[]* base64编码格式的数组* 0-公钥* 1-私钥*/@NotNullpublicstaticString[] createKeyPair(intkeySize){//为RSA算法创建一个KeyPairGenerator对象KeyPairGenerator kpg;try{kpg = KeyPairGenerator.getInstance(ALGORITHM_NAME);}catch(NoSuchAlgorithmException e){thrownewIllegalArgumentException("...
{/*** 非对称密钥算法*/private static final String RSA_ALGORITHM = "RSA";/*** 密钥长度,DH算法的默认密钥长度是1024* 密钥长度必须是64的倍数,在512到65536位之间*/private static final int KEY_SIZE = 2048;/*** 公钥*/private static final String PUBLIC_KEY = "javaBoy";/*** 私钥*/private...
java.util.Base64.Encoder:是Base64的内部类,用于对数据进行加密 Encoder 的成员方法: StringencodeToString(byte[] src)// 使用Base64编码方案将指定的字节数组编码为字符串。 java.util.Base64.Decoder:是Base64的内部类,用于对数据进行解密 Decoder 的成员方法: ...
设p,q是两个超级大的素数,N=pq,数据通过欧拉函数φ(N)来加密,而欧拉函数φ(N)满足φ(N)= φ(pq)=(p-1)(q-1),如果要算出φ(N),就必须知道p和q。并且这有一点好处,某人可以公开宣布他的密钥e以及N,任何人都可以给他发送密文,但是只有他能看懂。因为想要破解密码,就必须知道那两个超级大素数p,q....
0voice / algorithm-structure Star 2k Code Issues Pull requests 2021年最新总结 500个常用数据结构,算法,算法导论,面试常用,大厂高级工程师整理总结 mysql algorithm bloom-filter rsa red-black-tree dp quick-sort bplustree Updated May 20, 2024 C ...
The algorithm above is from the Walmart Marketplace API Docs on how to sign the auth in data The private key is in PKCS#8 format and can be converted thanks to the generous people at Java Science. They provide source code that converts the PCK#8 key provided by the Walmart Marketplac...