非对称加解密PHP
public function EnRsa($str,$public_key){ //公钥加密 $public_key = chunk_split($public_key , 64, "\n"); $public_key = "-----BEGIN PUBLIC KEY-----\n$public_key-----END PUBLIC KEY-----\n"; $key = openssl_pkey_get_public($public_key); if (!$key) { return('公钥不可用'); } $result=''; $data = str_split($str, 117); foreach ($data as $block) { openssl_public_encrypt($block, $dataEncrypt, $public_key, OPENSSL_PKCS1_PADDING); $result .= $dataEncrypt; } return $result ? base64_encode($result) : null; } public function DeRsa($str,$private_key){ $private_key = chunk_split($private_key , 64, "\n"); $private_key = "-----BEGIN PRIVATE KEY-----\n".wordwrap($private_key)."-----END PRIVATE KEY-----"; $private_key = openssl_pkey_get_private($private_key); if (!$private_key) { return('私钥不可用'); } $crypto = ''; foreach (str_split(base64_decode($str), 128) as $chunk) { openssl_private_decrypt($chunk, $decryptData, $private_key, OPENSSL_PKCS1_PADDING); $crypto .= $decryptData; } return $crypto; }对称加解密PHP
* @desc 对称加密 * * @param $str * @return string * @author Tao * @email 804633234@qq.com * @date 2022-08-13 11:16 */ public function EnRsaEcb($str){ return base64_encode(openssl_encrypt($str, 'DES-EDE3', $this->DESede, OPENSSL_RAW_DATA)); } public function DeRsaEcb($str,$key){ $decrypted = openssl_decrypt(base64_decode($str), 'DES-EDE3',$key, OPENSSL_RAW_DATA); return $decrypted; }JAVA
import javax.crypto.Cipher;import javax.crypto.KeyGenerator;import javax.crypto.SecretKey;import javax.crypto.spec.SecretKeySpec;import com.hitrust.tech.util.Base64;import java.io.FileInputStream;import java.security.*;import java.security.spec.PKCS8EncodedKeySpec;import java.security.spec.X509EncodedKeySpec;import java.util.Enumeration;import java.util.HashMap;class Main { public static String data="hello world"; public static String publicKeyString=""; public static String privateKeyString=""; public static void main(String[] args) { //对称加密 try { encryptDES("123","abcdefghizklmnopqrstuvwx"); } catch (Exception e) { e.printStackTrace(); } //对称解密 try { decryptDES("qBSsv4QW65A=","abcdefghizklmnopqrstuvwx"); } catch (Exception e) { e.printStackTrace(); } //获取公钥 PublicKey publicKey= null; try { publicKey = getPublicKey(publicKeyString); } catch (Exception e) { e.printStackTrace(); } //获取私钥 PrivateKey privateKey= null; try { privateKey = getPrivateKey(privateKeyString); } catch (Exception e) { e.printStackTrace(); } //公钥加密 byte[] encryptedBytes= new byte[0]; try { encryptedBytes = encrypt(data.getBytes(), publicKey); } catch (Exception e) { e.printStackTrace(); } System.out.println("加密后："+new String(encryptedBytes)); //私钥解密 String keyStorefile = "C:\\Users\\Administrator\\Desktop\\siyao.pfx"; String keyPassword = "000000"; byte[] decryptedBytes= new byte[0]; try { String str=""; decryptedBytes = decrypt(str, getPvkformPfx(keyStorefile,keyPassword)); } catch (Exception e) { e.printStackTrace(); } System.out.println("解密后："+Base64.encode(decryptedBytes)); } public static void generateKey() throws Exception { //实例化密钥生成器 KeyGenerator kg = KeyGenerator.getInstance("DESede"); //DESede 要求密钥长度为 112位或168位 kg.init(168); //生成密钥 SecretKey secretKey = kg.generateKey(); //获得密钥的字符串形式 System.out.println(new String(Base64.encode(secretKey.getEncoded()))); } //dui public static void encryptDES(String paramString1, String key) throws Exception { byte[] keybyte = key.getBytes("utf-8"); SecretKey deskey = new SecretKeySpec(keybyte, "DESede"); byte[] input = paramString1.getBytes("UTF-8"); Cipher c1 = Cipher.getInstance("DESede/ECB/PKCS5Padding"); c1.init(Cipher.ENCRYPT_MODE, deskey); byte[] str1 = c1.doFinal(input); String str =Base64.encode(str1); System.out.println("jiamishuju:"); System.out.println(str); } public static void decryptDES(String paramString1, String key) throws Exception { byte[] keybyte = key.getBytes("utf-8"); SecretKey deskey2 = new SecretKeySpec(keybyte, "DESede"); Cipher c2 = Cipher.getInstance("DESede"); c2.init(Cipher.DECRYPT_MODE, deskey2);//加载解密算法 byte[] str2 = c2.doFinal(Base64.decode(paramString1));//获得解密后的数据 String string = new String(str2, "utf-8"); System.out.println("jiemishuju:"); System.out.println(string); } public static void decryptDES_(String paramString1, byte[] key) throws Exception { byte[] keybyte = key; SecretKey deskey2 = new SecretKeySpec(keybyte, "DESede"); Cipher c2 = Cipher.getInstance("DESede"); c2.init(Cipher.DECRYPT_MODE, deskey2);//加载解密算法 byte[] str2 = c2.doFinal(Base64.decode(paramString1));//获得解密后的数据 String string = new String(str2, "utf-8"); System.out.println("jiemishuju:"); System.out.println(string); } //将base64编码后的公钥字符串转成PublicKey实例 public static PublicKey getPublicKey(String publicKey) throws Exception{ byte[ ] keyBytes=publicKey.getBytes("utf-8"); X509EncodedKeySpec keySpec=new X509EncodedKeySpec(keyBytes); KeyFactory keyFactory=KeyFactory.getInstance("RSA"); return keyFactory.generatePublic(keySpec); } //将base64编码后的私钥字符串转成PrivateKey实例 public static PrivateKey getPrivateKey(String privateKey) throws Exception{ byte[ ] keyBytes=privateKey.getBytes("utf-8");//Base64.getDecoder().decode(privateKey.getBytes()); PKCS8EncodedKeySpec keySpec=new PKCS8EncodedKeySpec(keyBytes); KeyFactory keyFactory=KeyFactory.getInstance("RSA"); return keyFactory.generatePrivate(keySpec); } //公钥加密 public static byte[] encrypt(byte[] content, PublicKey publicKey) throws Exception{ Cipher cipher=Cipher.getInstance("RSA");//java默认"RSA"="RSA/ECB/PKCS1Padding" cipher.init(Cipher.ENCRYPT_MODE, publicKey); return cipher.doFinal(content); } //私钥解密 public static byte[] decrypt(String str, PrivateKey privateKey) throws Exception{ byte[] content=Base64.decode(str); Cipher cipher=Cipher.getInstance("RSA"); cipher.init(Cipher.DECRYPT_MODE, privateKey); return cipher.doFinal(content); } private static PrivateKey getPvkformPfx(String strPfx, String strPassword){ try { FileInputStream fis = new FileInputStream(strPfx); //密码处理 char[] nPassword = null; if ((strPassword == null) || strPassword.trim().equals("")){ nPassword = null; } else { nPassword = strPassword.toCharArray(); } //加载读取PFX文件 KeyStore ks = KeyStore.getInstance("PKCS12"); ks.load(fis, nPassword); fis.close(); Enumeration enumas = ks.aliases(); //从文件中获取秘钥 String keyPFXFile = null; if (enumas.hasMoreElements()) { keyPFXFile = (String)enumas.nextElement(); } PrivateKey prikey = (PrivateKey) ks.getKey(keyPFXFile, nPassword);// Certificate cert = (Certificate) ks.getCertificate(keyPFXFile);// PublicKey pubkey = cert.getPublicKey();// System.out.println("cert class = " + cert.getClass().getName());// System.out.println("cert = " + cert);// System.out.println("public key = " + pubkey);// System.out.println("private key = " + prikey);// System.out.println("private encode = " + Base64.encode(prikey.getEncoded())); return prikey; } catch (Exception e) { e.printStackTrace(); } return null; }}XML
public function Sign($str){ $bufSignSrc =$str; $private_key = chunk_split($this->private_key , 64, "\n"); $key = "-----BEGIN PRIVATE KEY-----\n".wordwrap($private_key)."-----END PRIVATE KEY-----"; if(openssl_sign($bufSignSrc, $signature, $key )){ //echo "success"; }else{ //echo 'sign fail'; } $sign = base64_encode($signature); return $sign; } public function enxml($header, $body) { $headerxml = ""; foreach ($header as $key => $val) { $headerxml .= "<$key>$val"; } $bodyxml = ""; foreach ($body as $key => $val) { $bodyxml .= "<$key>$val"; } $xml = '' . $headerxml . '' . $bodyxml . ' '; return $xml; } public function dexml($xml) { try { return json_decode(json_encode(simplexml_load_string($xml)), true); } catch (\Throwable $exception) { return []; } }来源地址：https://blog.csdn.net/zhang804633234/article/details/126322165
