网站尺寸规范,百度广告怎么投放,龙岩网站建设方案书,夸克为啥被称为最污的浏览器目录Java 接口RSAUtils.java示例中的依赖生成密钥对示例签名示例验证签名示例加密和解密示例Javascript 接口引入依赖生成密钥对示例签名示例验证签名示例加密和解密示例说在最后Java 接口
支持的密钥长度包括4种 RSA512、RSA1024、RSA2048、RSA4096支持的签名算法包括7种 MD2…
目录Java 接口RSAUtils.java示例中的依赖生成密钥对示例签名示例验证签名示例加密和解密示例Javascript 接口引入依赖生成密钥对示例签名示例验证签名示例加密和解密示例说在最后Java 接口
支持的密钥长度包括4种 RSA512、RSA1024、RSA2048、RSA4096支持的签名算法包括7种 MD2withRSA、MD5withRSA、SHA1withRSA、SHA224withRSA、SHA256withRSA、SHA384withRSA、SHA512withRSA对明文及密文长度没有限制其中java6 不支持签名算法 SHA224withRSA、SHA256withRSA、SHA384withRSA、SHA512withRSA其中 java.util.Base64 为 java8 及以上版本支持的 API低于 java8 的版本需要替换为其他工具类库。
RSAUtils.java
package com.sm;import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.security.Key;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.Signature;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;import javax.crypto.Cipher;/*** * Description: RSA签名,加解密处理核心文件*/
public final class RSAUtils {/*** 加密算法RSA*/private static final String KEY_ALGORITHM RSA;/*** 获取公钥的key*/public static final String PUBLIC_KEY RSAPublicKey;/*** 获取私钥的key*/public static final String PRIVATE_KEY RSAPrivateKey;public static RSAEncrypt getRSA512() {return RSAEncrypt.RSA512;}public static RSAEncrypt getRSA1024() {return RSAEncrypt.RSA1024;}public static RSAEncrypt getRSA2048() {return RSAEncrypt.RSA2048;}public static RSAEncrypt getRSA4096() {return RSAEncrypt.RSA4096;}/*** p* 获取私钥* /p** param keyMap 密钥对* return* throws Exception*/public static String getPrivateKey(MapString, Object keyMap) throws Exception {Key key (Key) keyMap.get(PRIVATE_KEY);return Base64.getEncoder().encodeToString(key.getEncoded());}/*** p* 获取公钥* /p** param keyMap 密钥对* return* throws Exception*/public static String getPublicKey(MapString, Object keyMap) throws Exception {Key key (Key) keyMap.get(PUBLIC_KEY);return Base64.getEncoder().encodeToString(key.getEncoded());}/*** param content* param charset* return* throws SignatureException* throws UnsupportedEncodingException*/private static byte[] getContentBytes(String content, String charset) {if (charset null || .equals(charset)) {return content.getBytes();}try {return content.getBytes(charset);} catch (UnsupportedEncodingException e) {throw new RuntimeException(UnsupportedEncoding: charset, e);}}public static enum RSAEncryptEnum {RSA512(512, 53, 64),RSA1024(1024, 117, 128),RSA2048(2048, 245, 256),RSA4096(4096, 501, 512);/*** RSA key的长度*/private final int keysize;/*** RSA最大加密明文大小*/private final int maxEncryptBlock;/*** RSA最大解密密文大小*/private final int maxDecryptBlock;private RSAEncryptEnum(int keysize, int maxEncryptBlock, int maxDecryptBlock) {this.keysize keysize;this.maxEncryptBlock maxEncryptBlock;this.maxDecryptBlock maxDecryptBlock;}public int getKeysize() {return keysize;}public int getMaxEncryptBlock() {return maxEncryptBlock;}public int getMaxDecryptBlock() {return maxDecryptBlock;}}public static final class RSAEncrypt {private final RSAEncryptEnum rsaEncryptEnum;private RSAEncrypt(RSAEncryptEnum rsaEncryptEnum) {this.rsaEncryptEnum rsaEncryptEnum;}static final RSAEncrypt RSA512 new RSAEncrypt(RSAEncryptEnum.RSA512);static final RSAEncrypt RSA1024 new RSAEncrypt(RSAEncryptEnum.RSA1024);static final RSAEncrypt RSA2048 new RSAEncrypt(RSAEncryptEnum.RSA2048);static final RSAEncrypt RSA4096 new RSAEncrypt(RSAEncryptEnum.RSA4096);/*** p* 生成密钥对(公钥和私钥)* /p** return* throws Exception*/public MapString, Object genKeyPair() throws Exception {KeyPairGenerator keyPairGen KeyPairGenerator.getInstance(KEY_ALGORITHM);keyPairGen.initialize(this.rsaEncryptEnum.getKeysize());KeyPair keyPair keyPairGen.generateKeyPair();RSAPublicKey publicKey (RSAPublicKey) keyPair.getPublic();RSAPrivateKey privateKey (RSAPrivateKey) keyPair.getPrivate();MapString, Object keyMap new HashMap(2, 1.0f);keyMap.put(PUBLIC_KEY, publicKey);keyMap.put(PRIVATE_KEY, privateKey);return keyMap;}/*** P* 私钥解密* /p** param encryptedData 已加密数据* param privateKey 私钥(BASE64编码)* return* throws Exception*/public byte[] decryptByPrivateKey(byte[] encryptedData, String privateKey) throws Exception {byte[] keyBytes Base64.getDecoder().decode(privateKey);PKCS8EncodedKeySpec pkcs8KeySpec new PKCS8EncodedKeySpec(keyBytes);KeyFactory keyFactory KeyFactory.getInstance(KEY_ALGORITHM);Key privateK keyFactory.generatePrivate(pkcs8KeySpec);Cipher cipher Cipher.getInstance(keyFactory.getAlgorithm());cipher.init(Cipher.DECRYPT_MODE, privateK);int inputLen encryptedData.length;ByteArrayOutputStream out new ByteArrayOutputStream();int offSet 0;byte[] cache;int i 0;int maxDecryptBlock this.rsaEncryptEnum.getMaxDecryptBlock();// 对数据分段解密while (inputLen - offSet 0) {if (inputLen - offSet maxDecryptBlock) {cache cipher.doFinal(encryptedData, offSet, maxDecryptBlock);} else {cache cipher.doFinal(encryptedData, offSet, inputLen - offSet);}out.write(cache, 0, cache.length);i;offSet i * maxDecryptBlock;}byte[] decryptedData out.toByteArray();out.close();return decryptedData;}/*** p* 公钥解密* /p** param encryptedData 已加密数据* param publicKey 公钥(BASE64编码)* return* throws Exception*/public byte[] decryptByPublicKey(byte[] encryptedData, String publicKey) throws Exception {byte[] keyBytes Base64.getDecoder().decode(publicKey);X509EncodedKeySpec x509KeySpec new X509EncodedKeySpec(keyBytes);KeyFactory keyFactory KeyFactory.getInstance(KEY_ALGORITHM);Key publicK keyFactory.generatePublic(x509KeySpec);Cipher cipher Cipher.getInstance(keyFactory.getAlgorithm());cipher.init(Cipher.DECRYPT_MODE, publicK);int inputLen encryptedData.length;ByteArrayOutputStream out new ByteArrayOutputStream();int offSet 0;byte[] cache;int i 0;int maxDecryptBlock this.rsaEncryptEnum.getMaxDecryptBlock();// 对数据分段解密while (inputLen - offSet 0) {if (inputLen - offSet maxDecryptBlock) {cache cipher.doFinal(encryptedData, offSet, maxDecryptBlock);} else {cache cipher.doFinal(encryptedData, offSet, inputLen - offSet);}out.write(cache, 0, cache.length);i;offSet i * maxDecryptBlock;}byte[] decryptedData out.toByteArray();out.close();return decryptedData;}/*** p* 公钥加密* /p** param data 源数据* param publicKey 公钥(BASE64编码)* return* throws Exception*/public byte[] encryptByPublicKey(byte[] data, String publicKey) throws Exception {byte[] keyBytes Base64.getDecoder().decode(publicKey);X509EncodedKeySpec x509KeySpec new X509EncodedKeySpec(keyBytes);KeyFactory keyFactory KeyFactory.getInstance(KEY_ALGORITHM);Key publicK keyFactory.generatePublic(x509KeySpec);// 对数据加密Cipher cipher Cipher.getInstance(keyFactory.getAlgorithm());cipher.init(Cipher.ENCRYPT_MODE, publicK);int inputLen data.length;ByteArrayOutputStream out new ByteArrayOutputStream();int offSet 0;byte[] cache;int i 0;int maxEncryptBlock this.rsaEncryptEnum.getMaxEncryptBlock();// 对数据分段加密while (inputLen - offSet 0) {if (inputLen - offSet maxEncryptBlock) {cache cipher.doFinal(data, offSet, maxEncryptBlock);} else {cache cipher.doFinal(data, offSet, inputLen - offSet);}out.write(cache, 0, cache.length);i;offSet i * maxEncryptBlock;}byte[] encryptedData out.toByteArray();out.close();return encryptedData;}/*** p* 私钥加密* /p** param data 源数据* param privateKey 私钥(BASE64编码)* return* throws Exception*/public byte[] encryptByPrivateKey(byte[] data, String privateKey) throws Exception {byte[] keyBytes Base64.getDecoder().decode(privateKey);PKCS8EncodedKeySpec pkcs8KeySpec new PKCS8EncodedKeySpec(keyBytes);KeyFactory keyFactory KeyFactory.getInstance(KEY_ALGORITHM);Key privateK keyFactory.generatePrivate(pkcs8KeySpec);Cipher cipher Cipher.getInstance(keyFactory.getAlgorithm());cipher.init(Cipher.ENCRYPT_MODE, privateK);int inputLen data.length;ByteArrayOutputStream out new ByteArrayOutputStream();int offSet 0;byte[] cache;int i 0;int maxEncryptBlock this.rsaEncryptEnum.getMaxEncryptBlock();// 对数据分段加密while (inputLen - offSet 0) {if (inputLen - offSet maxEncryptBlock) {cache cipher.doFinal(data, offSet, maxEncryptBlock);} else {cache cipher.doFinal(data, offSet, inputLen - offSet);}out.write(cache, 0, cache.length);i;offSet i * maxEncryptBlock;}byte[] encryptedData out.toByteArray();out.close();return encryptedData;}}public static RSASignature getMD2withRSA() {return RSASignature.MD2_WITH_RSA;}public static RSASignature getMD5withRSA() {return RSASignature.MD5_WITH_RSA;}public static RSASignature getSHA1withRSA() {return RSASignature.SHA1_WITH_RSA;}public static RSASignature getSHA224withRSA() {return RSASignature.SHA224_WITH_RSA;}public static RSASignature getSHA256withRSA() {return RSASignature.SHA256_WITH_RSA;}public static RSASignature getSHA384withRSA() {return RSASignature.SHA384_WITH_RSA;}public static RSASignature getSHA512withRSA() {return RSASignature.SHA512_WITH_RSA;}public static final class RSASignature {/*** 签名算法*/private final String signatureAlgorithm;private RSASignature(String signatureAlgorithm) {this.signatureAlgorithm signatureAlgorithm;}static final RSASignature MD2_WITH_RSA new RSASignature(MD2withRSA);static final RSASignature MD5_WITH_RSA new RSASignature(MD5withRSA);static final RSASignature SHA1_WITH_RSA new RSASignature(SHA1withRSA);static final RSASignature SHA224_WITH_RSA new RSASignature(SHA224withRSA);static final RSASignature SHA256_WITH_RSA new RSASignature(SHA256withRSA);static final RSASignature SHA384_WITH_RSA new RSASignature(SHA384withRSA);static final RSASignature SHA512_WITH_RSA new RSASignature(SHA512withRSA);/*** 签名字符串** param text* 需要签名的字符串* param privateKey 私钥(BASE64编码)** param charset* 编码格式* return 签名结果(BASE64编码)*/public String sign(String text, String privateKey, String charset) throws Exception {byte[] keyBytes Base64.getDecoder().decode(privateKey);PKCS8EncodedKeySpec pkcs8KeySpec new PKCS8EncodedKeySpec(keyBytes);KeyFactory keyFactory KeyFactory.getInstance(KEY_ALGORITHM);PrivateKey privateK keyFactory.generatePrivate(pkcs8KeySpec);Signature signature Signature.getInstance(this.signatureAlgorithm);signature.initSign(privateK);signature.update(getContentBytes(text, charset));byte[] result signature.sign();return Base64.getEncoder().encodeToString(result);}/*** 签名字符串** param text* 需要签名的字符串* param sign* 客户签名结果* param publicKey* 公钥(BASE64编码)* param charset* 编码格式* return 验签结果*/public boolean verify(String text, String sign, String publicKey, String charset) throws Exception {byte[] keyBytes Base64.getDecoder().decode(publicKey);X509EncodedKeySpec keySpec new X509EncodedKeySpec(keyBytes);KeyFactory keyFactory KeyFactory.getInstance(KEY_ALGORITHM);PublicKey publicK keyFactory.generatePublic(keySpec);Signature signature Signature.getInstance(this.signatureAlgorithm);signature.initVerify(publicK);signature.update(getContentBytes(text, charset));return signature.verify(Base64.getDecoder().decode(sign));}}}
示例中的依赖
import java.util.Base64;
import java.util.Map;import com.sm.RSAUtils.RSAEncrypt;
import com.sm.RSAUtils.RSASignature;生成密钥对示例
public static void genKeyPair () throws Exception {RSAEncrypt rsaEncrypt RSAUtils.getRSA1024();//生成密钥对MapString, Object map rsaEncrypt.genKeyPair();String pubKey RSAUtils.getPublicKey(map);String priKey RSAUtils.getPrivateKey(map);System.out.println(pubKey--pubKey);System.out.println(priKey--priKey);
}签名示例
public static void sign() throws Exception {String pubKey MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnsXBwH6me8P3BdtnZnsze3nQXCmt89jcLmxKQ2Oe6qQ3hfElokUpWBLogEgmoj5/dFxWaQYAzvd1LR7zuKDESQmRnOb9FQD6Pr2RsDOTFBCa5DA0EQ17TmqqaJT9xrcIVxU/Y22tCkRJBJuo7hRoFoM2l37ju9InTGA9P/vQXi9jjSiZ5o6Zbu6svHG1B/1GsnCwtszYzsMZs7Lo2N5lK2eq2bBnpvb7PpWOWTGVpeFoivbHfCIRB6wiFAiQxeZKNs2Coi7zoj6cOX49aG4rv4/gnwftOKq4Fb9IcQW5v7d3Nmp6Jh647DshTEwpLlyxt1J0feUQIDAQAB;String priKey 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;String text id_card1121321121321321中文2123123partner_idTLHS2020001;final String charset utf-8;RSASignature rsaSignature RSAUtils.getSHA256withRSA();String sign rsaSignature.sign(text, priKey, charset);System.out.println(sign--sign);
}验证签名示例
public static void verify() throws Exception {String pubKey MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnsXBwH6me8P3BdtnZnsze3nQXCmt89jcLmxKQ2Oe6qQ3hfElokUpWBLogEgmoj5/dFxWaQYAzvd1LR7zuKDESQmRnOb9FQD6Pr2RsDOTFBCa5DA0EQ17TmqqaJT9xrcIVxU/Y22tCkRJBJuo7hRoFoM2l37ju9InTGA9P/vQXi9jjSiZ5o6Zbu6svHG1B/1GsnCwtszYzsMZs7Lo2N5lK2eq2bBnpvb7PpWOWTGVpeFoivbHfCIRB6wiFAiQxeZKNs2Coi7zoj6cOX49aG4rv4/gnwftOKq4Fb9IcQW5v7d3Nmp6Jh647DshTEwpLlyxt1J0feUQIDAQAB;String priKey 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;String text id_card1121321121321321中文2123123partner_idTLHS2020001;String sign GAjmZiUH0hnMOZyOiViCvzZDHoMVXdmwjyyLiAOgBYFhM0/d8GPiPMKZsPIAmIKiDRwX37bOoGwD4/Miptq53tmt8Cqktzv8v2Z6kGNejkJl9Mos5lgRI7kdFf9GMiQuy3lvRybOT8S0HFGr2vFrMrUrkYL9WPzlILS7sQuerLqVm0xKIuj5/thm8L5kcVQFozudxydbYxsBp8pvSqsVRCZ4mPO/S6I1NTeS7ffLGixrmyWsXEVX9/D11WGgN3UYrNlEVna9Y4VOk9o9bB8un/FaJyyMuIHpT0YYLjZxAO2GpxuD9dsJbEL990Lr5kP66mCeC5mNX/s2jBI49w;final String charset utf-8;RSASignature rsaSignature RSAUtils.getSHA256withRSA();if(rsaSignature.verify(text, sign, pubKey, charset)) {System.out.println(验签成功);}else {System.out.println(验签失败);}
}加密和解密示例
public static void encryptAndDecrypt() throws Exception {RSAEncrypt rsaEncrypt RSAUtils.getRSA2048();String pubKey MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnsXBwH6me8P3BdtnZnsze3nQXCmt89jcLmxKQ2Oe6qQ3hfElokUpWBLogEgmoj5/dFxWaQYAzvd1LR7zuKDESQmRnOb9FQD6Pr2RsDOTFBCa5DA0EQ17TmqqaJT9xrcIVxU/Y22tCkRJBJuo7hRoFoM2l37ju9InTGA9P/vQXi9jjSiZ5o6Zbu6svHG1B/1GsnCwtszYzsMZs7Lo2N5lK2eq2bBnpvb7PpWOWTGVpeFoivbHfCIRB6wiFAiQxeZKNs2Coi7zoj6cOX49aG4rv4/gnwftOKq4Fb9IcQW5v7d3Nmp6Jh647DshTEwpLlyxt1J0feUQIDAQAB;String priKey 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;String text id_card1121321121321321中文2123123partner_idTLHS2020001;// 加密与解密byte[] data text.getBytes();System.out.println(加密前--- new String(data));byte[] encryptedDataPri rsaEncrypt.encryptByPrivateKey(data, priKey);// 密文System.out.println(私钥加密后--- Base64.getEncoder().encodeToString(encryptedDataPri));byte[] decryptedDataPub rsaEncrypt.decryptByPublicKey(encryptedDataPri, pubKey);System.out.println(公钥解密后---new String(decryptedDataPub));byte[] encryptedDataPub rsaEncrypt.encryptByPublicKey(data, pubKey);// 密文System.out.println(公钥加密后--- Base64.getEncoder().encodeToString(encryptedDataPub));byte[] decryptedDataPri rsaEncrypt.decryptByPrivateKey(encryptedDataPub, priKey);System.out.println(私钥解密后---new String(decryptedDataPri));
}Javascript 接口
jsencrypt 支持的密钥长度包括4种 RSA512、RSA1024、RSA2048、RSA4096crypto-js 支持的签名算法包括 MD5、SHA1、SHA224、SHA256、SHA384、SHA512 等多种算法对明文及密文长度有限制超长会报错可以查看 https://github.com/travist/jsencrypt/issues/110 尝试解决经测试jsencrypt 不支持使用私钥加密即由私钥加密产生的密文不能被解密。
引入依赖
github链接 https://github.com/travist/jsencrypt https://github.com/brix/crypto-js/tree/4.1.1
script typetext/javascript srcjsencrypt.min.js/script
script typetext/javascript srccrypto-js.js/script生成密钥对示例
(function () {//生成密钥对var crypt new JSEncrypt({default_key_size: 2048});crypt.getKey();console.log(PrivateKey, crypt.getPrivateKey());console.log(PublicKey, crypt.getPublicKey());
})();签名示例
(function () {//RSA2048签名var pubKey MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnsXBwH6me8P3BdtnZnsze3nQXCmt89jcLmxKQ2Oe6qQ3hfElokUpWBLogEgmoj5/dFxWaQYAzvd1LR7zuKDESQmRnOb9FQD6Pr2RsDOTFBCa5DA0EQ17TmqqaJT9xrcIVxU/Y22tCkRJBJuo7hRoFoM2l37ju9InTGA9P/vQXi9jjSiZ5o6Zbu6svHG1B/1GsnCwtszYzsMZs7Lo2N5lK2eq2bBnpvb7PpWOWTGVpeFoivbHfCIRB6wiFAiQxeZKNs2Coi7zoj6cOX49aG4rv4/gnwftOKq4Fb9IcQW5v7d3Nmp6Jh647DshTEwpLlyxt1J0feUQIDAQAB;var priKey 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;//SHA256withRSAvar plainText id_card1121321121321321中文2123123partner_idTLHS2020001;//**加签**var sign new JSEncrypt();//设置私钥sign.setPrivateKey(priKey);//用私钥给明文加签,例子中使用SHA256算法具体情况具体调整var signature sign.sign(plainText, CryptoJS.SHA256, sha256);console.log(sha256签名, signature);
})();验证签名示例
(function () {//RSA2048验签var pubKey MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnsXBwH6me8P3BdtnZnsze3nQXCmt89jcLmxKQ2Oe6qQ3hfElokUpWBLogEgmoj5/dFxWaQYAzvd1LR7zuKDESQmRnOb9FQD6Pr2RsDOTFBCa5DA0EQ17TmqqaJT9xrcIVxU/Y22tCkRJBJuo7hRoFoM2l37ju9InTGA9P/vQXi9jjSiZ5o6Zbu6svHG1B/1GsnCwtszYzsMZs7Lo2N5lK2eq2bBnpvb7PpWOWTGVpeFoivbHfCIRB6wiFAiQxeZKNs2Coi7zoj6cOX49aG4rv4/gnwftOKq4Fb9IcQW5v7d3Nmp6Jh647DshTEwpLlyxt1J0feUQIDAQAB;var priKey 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;//SHA256withRSAvar plainText id_card1121321121321321中文2123123partner_idTLHS2020001;var signature GAjmZiUH0hnMOZyOiViCvzZDHoMVXdmwjyyLiAOgBYFhM0/d8GPiPMKZsPIAmIKiDRwX37bOoGwD4/Miptq53tmt8Cqktzv8v2Z6kGNejkJl9Mos5lgRI7kdFf9GMiQuy3lvRybOT8S0HFGr2vFrMrUrkYL9WPzlILS7sQuerLqVm0xKIuj5/thm8L5kcVQFozudxydbYxsBp8pvSqsVRCZ4mPO/S6I1NTeS7ffLGixrmyWsXEVX9/D11WGgN3UYrNlEVna9Y4VOk9o9bB8un/FaJyyMuIHpT0YYLjZxAO2GpxuD9dsJbEL990Lr5kP66mCeC5mNX/s2jBI49w;//**验签**var verify new JSEncrypt({default_key_size: 2048});//设置公钥verify.setPublicKey(pubKey);//验证方法有三个参数明文用私钥加签后的字符串,加签的算法(跟上文保持一致哈~)var verified verify.verify(plainText, signature, CryptoJS.SHA256);// 判断验签是否成功if (verified) {console.log(验签成功啦~);}else {console.log(验签失败啦....);}
})();加密和解密示例
(function () {//RSA2048加密解密var pubKey MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnsXBwH6me8P3BdtnZnsze3nQXCmt89jcLmxKQ2Oe6qQ3hfElokUpWBLogEgmoj5/dFxWaQYAzvd1LR7zuKDESQmRnOb9FQD6Pr2RsDOTFBCa5DA0EQ17TmqqaJT9xrcIVxU/Y22tCkRJBJuo7hRoFoM2l37ju9InTGA9P/vQXi9jjSiZ5o6Zbu6svHG1B/1GsnCwtszYzsMZs7Lo2N5lK2eq2bBnpvb7PpWOWTGVpeFoivbHfCIRB6wiFAiQxeZKNs2Coi7zoj6cOX49aG4rv4/gnwftOKq4Fb9IcQW5v7d3Nmp6Jh647DshTEwpLlyxt1J0feUQIDAQAB;var priKey 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;var plainText id_card1121321121321321中文2123123partner_idTLHS2020001;console.log(加密前, plainText);var encryptPub new JSEncrypt({default_key_size: 2048});encryptPub.setPublicKey(pubKey);var encryptedPub encryptPub.encrypt(plainText);console.log(公钥加密后, encryptedPub);var decryptPri new JSEncrypt({default_key_size: 2048});decryptPri.setPrivateKey(priKey);var uncryptedPri decryptPri.decrypt(encryptedPub);console.log(私钥解密后, uncryptedPri);
})();说在最后
Java 和 Javascript 支持的生成密钥对签名加密解密功能可以通用。
