112817rsatest(JAVA加密).zip_JVD1_hillwfw_mean6l4_rsa

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.security.InvalidKeyException; import java.security.KeyFactory; import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.NoSuchAlgorithmException; import java.security.SecureRandom; import java.security.interfaces.RSAPrivateKey; import java.security.interfaces.RSAPublicKey; import java.security.spec.InvalidKeySpecException; import java.security.spec.PKCS8EncodedKeySpec; import java.security.spec.X509EncodedKeySpec; import sun.misc.BASE64Encoder; import sun.misc.BASE64Decoder; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.NoSuchPaddingException; import org.bouncycastle.jce.provider.BouncyCastleProvider; import sun.misc.BASE64Decoder; public class RSAEncrypt { private static final String DEFAULT_PUBLIC_KEY= "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCq+q1jq/oltkzaRzhS1j/trFjB" + "\r" + "X6j5+is3pq0Ork2BR17cLqnYgZg8IO0VcvssN2RrkYqG1SscVRkCUCXJ32jXaaC4" + "\r" + "FrsxWdODsXzl9kj0RLQetHI5nDK7VCnLa07K055DNI9YDc3KcSUi/995KbXYlvsJ" + "\r" + "RcxkyOvyTfShuYvbAQIDAQAB" + "\r"; /* MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCq+q1jq/oltkzaRzhS1j/trFjB X6j5+is3pq0Ork2BR17cLqnYgZg8IO0VcvssN2RrkYqG1SscVRkCUCXJ32jXaaC4 FrsxWdODsXzl9kj0RLQetHI5nDK7VCnLa07K055DNI9YDc3KcSUi/995KbXYlvsJ RcxkyOvyTfShuYvbAQIDAQAB */ /* MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAKr6rWOr+iW2TNpH OFLWP+2sWMFfqPn6KzemrQ6uTYFHXtwuqdiBmDwg7RVy+yw3ZGuRiobVKxxVGQJQ JcnfaNdpoLgWuzFZ04OxfOX2SPREtB60cjmcMrtUKctrTsrTnkM0j1gNzcpxJSL/ 33kptdiW+wlFzGTI6/JN9KG5i9sBAgMBAAECgYEAjzp3TWufnT/dmWzX7ey0mPEr WLI950p+MZxalFXHb2jOOjyM42WMlbIvaSxs5Flysfm1xcWE27MdxCZHwZh5RbwP jvqAWERKX/uy9pvu9WLOiNJ59gtgXJX68d8lO8Gcdu77SPJPZFiR8QKWSOZs1TDm deS/RVJuaTnxGbfusAECQQDU4ZWcjJ8m99mzK2fVy3mlpKjwO4QkoxERDwIB6trl LIkC0VDFx4Fv2zjk34OLbcZYj/cOSpltDcSUuNnTiWghAkEAzZxfJJcySWCiL+tO RVIbUc3E4klbyBIxT59USRIKf1UrHd4StSgIeA36WVajW/catCuo35znpWoSJ3Tg YkSW4QJAIoxpx3pa6ewXfKhytZPMLkHG2RYPoBKG1onk/YKr+716juaBgVebfhfJ 5/sOUjaCliTnJ36b38L4QFqvn1ERgQJAEzzyWgYbmmoEQt+Nb0cDb2AFb/bVM58g JgcOZ9fcS5W4dw70SSb5w+Hq7rkAh/ZS9VCweFvCAOQv1qlE5WztgQJBAIRUjxJj H1Qqp9SpWftp5GrDm4RsgeiFPAuiu9AaiBzNoXjsRTi7tbokgjXT3rWtVAwS/Mbj tgMti+PYo/E8mak= */ private static final String DEFAULT_PRIVATE_KEY= "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAKr6rWOr+iW2TNpH" + "\r" + "OFLWP+2sWMFfqPn6KzemrQ6uTYFHXtwuqdiBmDwg7RVy+yw3ZGuRiobVKxxVGQJQ" + "\r" + "JcnfaNdpoLgWuzFZ04OxfOX2SPREtB60cjmcMrtUKctrTsrTnkM0j1gNzcpxJSL/" + "\r" + "33kptdiW+wlFzGTI6/JN9KG5i9sBAgMBAAECgYEAjzp3TWufnT/dmWzX7ey0mPEr" + "\r" + "WLI950p+MZxalFXHb2jOOjyM42WMlbIvaSxs5Flysfm1xcWE27MdxCZHwZh5RbwP" + "\r" + "jvqAWERKX/uy9pvu9WLOiNJ59gtgXJX68d8lO8Gcdu77SPJPZFiR8QKWSOZs1TDm" + "\r" + "deS/RVJuaTnxGbfusAECQQDU4ZWcjJ8m99mzK2fVy3mlpKjwO4QkoxERDwIB6trl" + "\r" + "LIkC0VDFx4Fv2zjk34OLbcZYj/cOSpltDcSUuNnTiWghAkEAzZxfJJcySWCiL+tO" + "\r" + "RVIbUc3E4klbyBIxT59USRIKf1UrHd4StSgIeA36WVajW/catCuo35znpWoSJ3Tg" + "\r" + "YkSW4QJAIoxpx3pa6ewXfKhytZPMLkHG2RYPoBKG1onk/YKr+716juaBgVebfhfJ" + "\r" + "5/sOUjaCliTnJ36b38L4QFqvn1ERgQJAEzzyWgYbmmoEQt+Nb0cDb2AFb/bVM58g" + "\r" + "JgcOZ9fcS5W4dw70SSb5w+Hq7rkAh/ZS9VCweFvCAOQv1qlE5WztgQJBAIRUjxJj" + "\r" + "H1Qqp9SpWftp5GrDm4RsgeiFPAuiu9AaiBzNoXjsRTi7tbokgjXT3rWtVAwS/Mbj" + "\r" + "tgMti+PYo/E8mak=" + "\r"; /** * 私钥 */ private RSAPrivateKey privateKey; /** * 公钥 */ private RSAPublicKey publicKey; /** * 字节数据转字符串专用集合 */ private static final char[] HEX_CHAR= {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; /** * 获取私钥 * @return 当前的私钥对象 */ public RSAPrivateKey getPrivateKey() { return privateKey; } /** * 获取公钥 * @return 当前的公钥对象 */ public RSAPublicKey getPublicKey() { return publicKey; } /** * 随机生成密钥对 */ public void genKeyPair(){ KeyPairGenerator keyPairGen= null; try { keyPairGen= KeyPairGenerator.getInstance("RSA"); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } keyPairGen.initialize(1024, new SecureRandom()); KeyPair keyPair= keyPairGen.generateKeyPair(); this.privateKey= (RSAPrivateKey) keyPair.getPrivate(); this.publicKey= (RSAPublicKey) keyPair.getPublic(); } /** * 从文件中输入流中加载公钥 * @param in 公钥输入流 * @throws Exception 加载公钥时产生的异常 */ public void loadPublicKey(InputStream in) throws Exception{ try { BufferedReader br= new BufferedReader(new InputStreamReader(in)); String readLine= null; StringBuilder sb= new StringBuilder(); while((readLine= br.readLine())!=null){ if(readLine.charAt(0)=='-'){ continue; }else{ sb.append(readLine); sb.append('\r'); } } loadPublicKey(sb.toString()); } catch (IOException e) { throw new Exception("公钥数据流读取错误"); } catch (NullPointerException e) { throw new Exception("公钥输入流为空"); } } /** * 从字符串中加载公钥 * @param publicKeyStr 公钥数据字符串 * @throws Exception 加载公钥时产生的异常 */ public void loadPublicKey(String publicKeyStr) throws Exception{ try { BASE64Decoder base64Decoder= new BASE64Decoder(); byte[] buffer= base64Decoder.decodeBuffer(publicKeyStr); KeyFactory keyFactory= KeyFactory.getInstance("RSA"); X509EncodedKeySpec keySpec= new X509EncodedKeySpec(buffer); this.publicKey= (RSAPublicKey) keyFactory.generatePublic(keySpec); } catch (NoSuchAlgorithmException e) { throw new Exception("无此算法"); } catch (InvalidKeySpecException e) { throw new Exception("公钥非法"); } catch (IOException e) { throw new Exception("公钥数据内容读取错误"); } catch (NullPointerException e) { throw new Exception("公钥数据为空"); } } /** * 从文件中加载私钥 * @param keyFileName 私钥文件名 * @return 是否成功 * @throws Exception */ public void loadPrivateKey(InputStream in) throws Exception{ try { BufferedReader br= new BufferedReader(new InputStreamReader(in)); String readLine= null; StringBuilder sb= new StringBuilder(); while((readLine= br.readLine())!=null){ if(readLine.charAt(0)=='-'){ continue; }else{ sb.append(readLine); sb.append('\r'); } } loadPrivateKey(sb.toString()); } catch (IOException e) { throw new Exception("私钥数据读取错误"); } catch (NullPointerException e) { throw new Exception("私钥输入流为空"); } } public void loadPrivateKey(String privateKeyStr) throws Exception{ try { BASE64Decoder base64Decoder= new BASE64Decoder(); byte[] buffer= base64Decoder.decodeBuffer(privateKeyStr); PKCS8EncodedKeySpec keySpec= new PKCS8EncodedKeySpec(buffer); KeyFactory keyFactory= KeyFactory.getInstance("RSA"); this.privateKey= (RSAPrivateKey) keyFactory.generatePrivate(keySpec); } catch (NoSuchAlgorithmException e) { throw new Exception("无此算法"); } catch (InvalidKeySpecException e) { throw new Exception("私钥非法"); } catch (IOException e) { throw new Exception("私钥数据内容读取错误"); } catch (NullPointerException e) { throw new Exception("私钥数据为空"); } } /** * 加密过程 *