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xiangwb
2018-04-15 14:01:10 +08:00
parent 3255bca5bb
commit 6739f5dc7f
9 changed files with 2 additions and 910 deletions
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boot-service/src/main/java/com/xwbing/service/other/AliPayService.java
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@@ -24,7 +24,7 @@ import java.util.Objects;
/**
* 说明: 支付宝支付接口实现
* 项目名称: spring-demo
* 项目名称: boot-module-demo
* 创建时间: 2017/5/10 17:50
* 作者: xiangwb
*/
boot-service/src/main/java/com/xwbing/service/other/WxPayService.java
+1 -1
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@@ -28,7 +28,7 @@ import java.util.Objects;
/**
* 说明: 微信支付接口实现
* 项目名称: spring-demo
* 项目名称: boot-module-demo
* 创建时间: 2017/5/10 17:30
* 作者: xiangwb
*/
boot-service/src/main/java/com/xwbing/util/payAlipay/Base64.java
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@@ -1,279 +0,0 @@
/*
* Copyright (C) 2010 The MobileSecurePay Project
* All right reserved.
* author: shiqun.shi@alipay.com
*/
package com.xwbing.util.payAlipay;
public final class Base64 {
static private final int BASELENGTH = 128;
static private final int LOOKUPLENGTH = 64;
static private final int TWENTYFOURBITGROUP = 24;
static private final int EIGHTBIT = 8;
static private final int SIXTEENBIT = 16;
static private final int FOURBYTE = 4;
static private final int SIGN = -128;
static private final char PAD = '=';
static private final boolean fDebug = false;
static final private byte[] base64Alphabet = new byte[BASELENGTH];
static final private char[] lookUpBase64Alphabet = new char[LOOKUPLENGTH];
static {
for (int i = 0; i < BASELENGTH; ++i) {
base64Alphabet[i] = -1;
}
for (int i = 'Z'; i >= 'A'; i--) {
base64Alphabet[i] = (byte) (i - 'A');
}
for (int i = 'z'; i >= 'a'; i--) {
base64Alphabet[i] = (byte) (i - 'a' + 26);
}
for (int i = '9'; i >= '0'; i--) {
base64Alphabet[i] = (byte) (i - '0' + 52);
}
base64Alphabet['+'] = 62;
base64Alphabet['/'] = 63;
for (int i = 0; i <= 25; i++) {
lookUpBase64Alphabet[i] = (char) ('A' + i);
}
for (int i = 26, j = 0; i <= 51; i++, j++) {
lookUpBase64Alphabet[i] = (char) ('a' + j);
}
for (int i = 52, j = 0; i <= 61; i++, j++) {
lookUpBase64Alphabet[i] = (char) ('0' + j);
}
lookUpBase64Alphabet[62] = (char) '+';
lookUpBase64Alphabet[63] = (char) '/';
}
private static boolean isWhiteSpace(char octect) {
return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9);
}
private static boolean isPad(char octect) {
return (octect == PAD);
}
private static boolean isData(char octect) {
return (octect < BASELENGTH && base64Alphabet[octect] != -1);
}
/**
* Encodes hex octects into Base64
*
* @param binaryData Array containing binaryData
* @return Encoded Base64 array
*/
public static String encode(byte[] binaryData) {
if (binaryData == null) {
return null;
}
int lengthDataBits = binaryData.length * EIGHTBIT;
if (lengthDataBits == 0) {
return "";
}
int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP;
int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP;
int numberQuartet = fewerThan24bits != 0 ? numberTriplets + 1 : numberTriplets;
char encodedData[] = null;
encodedData = new char[numberQuartet * 4];
byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0;
int encodedIndex = 0;
int dataIndex = 0;
if (fDebug) {
System.out.println("number of triplets = " + numberTriplets);
}
for (int i = 0; i < numberTriplets; i++) {
b1 = binaryData[dataIndex++];
b2 = binaryData[dataIndex++];
b3 = binaryData[dataIndex++];
if (fDebug) {
System.out.println("b1= " + b1 + ", b2= " + b2 + ", b3= " + b3);
}
l = (byte) (b2 & 0x0f);
k = (byte) (b1 & 0x03);
byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc);
if (fDebug) {
System.out.println("val2 = " + val2);
System.out.println("k4 = " + (k << 4));
System.out.println("vak = " + (val2 | (k << 4)));
}
encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
encodedData[encodedIndex++] = lookUpBase64Alphabet[(l << 2) | val3];
encodedData[encodedIndex++] = lookUpBase64Alphabet[b3 & 0x3f];
}
// form integral number of 6-bit groups
if (fewerThan24bits == EIGHTBIT) {
b1 = binaryData[dataIndex];
k = (byte) (b1 & 0x03);
if (fDebug) {
System.out.println("b1=" + b1);
System.out.println("b1<<2 = " + (b1 >> 2));
}
byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
encodedData[encodedIndex++] = lookUpBase64Alphabet[k << 4];
encodedData[encodedIndex++] = PAD;
encodedData[encodedIndex++] = PAD;
} else if (fewerThan24bits == SIXTEENBIT) {
b1 = binaryData[dataIndex];
b2 = binaryData[dataIndex + 1];
l = (byte) (b2 & 0x0f);
k = (byte) (b1 & 0x03);
byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
encodedData[encodedIndex++] = lookUpBase64Alphabet[l << 2];
encodedData[encodedIndex++] = PAD;
}
return new String(encodedData);
}
/**
* Decodes Base64 data into octects
*
* @param encoded string containing Base64 data
* @return Array containind decoded data.
*/
public static byte[] decode(String encoded) {
if (encoded == null) {
return null;
}
char[] base64Data = encoded.toCharArray();
// remove white spaces
int len = removeWhiteSpace(base64Data);
if (len % FOURBYTE != 0) {
return null;//should be divisible by four
}
int numberQuadruple = (len / FOURBYTE);
if (numberQuadruple == 0) {
return new byte[0];
}
byte decodedData[] = null;
byte b1 = 0, b2 = 0, b3 = 0, b4 = 0;
char d1 = 0, d2 = 0, d3 = 0, d4 = 0;
int i = 0;
int encodedIndex = 0;
int dataIndex = 0;
decodedData = new byte[(numberQuadruple) * 3];
for (; i < numberQuadruple - 1; i++) {
if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))
|| !isData((d3 = base64Data[dataIndex++]))
|| !isData((d4 = base64Data[dataIndex++]))) {
return null;
}//if found "no data" just return null
b1 = base64Alphabet[d1];
b2 = base64Alphabet[d2];
b3 = base64Alphabet[d3];
b4 = base64Alphabet[d4];
decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
}
if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))) {
return null;//if found "no data" just return null
}
b1 = base64Alphabet[d1];
b2 = base64Alphabet[d2];
d3 = base64Data[dataIndex++];
d4 = base64Data[dataIndex++];
if (!isData((d3)) || !isData((d4))) {//Check if they are PAD characters
if (isPad(d3) && isPad(d4)) {
if ((b2 & 0xf) != 0)//last 4 bits should be zero
{
return null;
}
byte[] tmp = new byte[i * 3 + 1];
System.arraycopy(decodedData, 0, tmp, 0, i * 3);
tmp[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
return tmp;
} else if (!isPad(d3) && isPad(d4)) {
b3 = base64Alphabet[d3];
if ((b3 & 0x3) != 0)//last 2 bits should be zero
{
return null;
}
byte[] tmp = new byte[i * 3 + 2];
System.arraycopy(decodedData, 0, tmp, 0, i * 3);
tmp[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
tmp[encodedIndex] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
return tmp;
} else {
return null;
}
} else { //No PAD e.g 3cQl
b3 = base64Alphabet[d3];
b4 = base64Alphabet[d4];
decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
}
return decodedData;
}
/**
* remove WhiteSpace from MIME containing encoded Base64 data.
*
* @param data the byte array of base64 data (with WS)
* @return the new length
*/
private static int removeWhiteSpace(char[] data) {
if (data == null) {
return 0;
}
// count characters that's not whitespace
int newSize = 0;
int len = data.length;
for (int i = 0; i < len; i++) {
if (!isWhiteSpace(data[i])) {
data[newSize++] = data[i];
}
}
return newSize;
}
}
boot-service/src/main/java/com/xwbing/util/payAlipay/HttpProtocolHandler.java
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@@ -1,191 +0,0 @@
package com.xwbing.util.payAlipay;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.*;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.commons.httpclient.util.IdleConnectionTimeoutThread;
import java.io.File;
import java.io.IOException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
/* *
*类名：HttpProtocolHandler
*功能：HttpClient方式访问
*详细：获取远程HTTP数据
*版本：3.3
*日期：2012-08-17
*说明：
*以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
*该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
*/
public class HttpProtocolHandler {
private static String DEFAULT_CHARSET = "GBK";
/** 连接超时时间，由bean factory设置，缺省为8秒钟 */
private int defaultConnectionTimeout = 8000;
/** 回应超时时间, 由bean factory设置，缺省为30秒钟 */
private int defaultSoTimeout = 30000;
/** 闲置连接超时时间, 由bean factory设置，缺省为60秒钟 */
private int defaultIdleConnTimeout = 60000;
private int defaultMaxConnPerHost = 30;
private int defaultMaxTotalConn = 80;
/** 默认等待HttpConnectionManager返回连接超时（只有在达到最大连接数时起作用）：1秒*/
private static final long defaultHttpConnectionManagerTimeout = 3 * 1000;
/**
* HTTP连接管理器，该连接管理器必须是线程安全的.
*/
private HttpConnectionManager connectionManager;
private static HttpProtocolHandler httpProtocolHandler = new HttpProtocolHandler();
/**
* 工厂方法
*
* @return
*/
public static HttpProtocolHandler getInstance() {
return httpProtocolHandler;
}
/**
* 私有的构造方法
*/
private HttpProtocolHandler() {
// 创建一个线程安全的HTTP连接池
connectionManager = new MultiThreadedHttpConnectionManager();
connectionManager.getParams().setDefaultMaxConnectionsPerHost(defaultMaxConnPerHost);
connectionManager.getParams().setMaxTotalConnections(defaultMaxTotalConn);
IdleConnectionTimeoutThread ict = new IdleConnectionTimeoutThread();
ict.addConnectionManager(connectionManager);
ict.setConnectionTimeout(defaultIdleConnTimeout);
ict.start();
}
/**
* 执行Http请求
*
* @param request 请求数据
* @param strParaFileName 文件类型的参数名
* @param strFilePath 文件路径
* @return
* @throws HttpException, IOException
*/
public HttpResponse execute(HttpRequest request, String strParaFileName, String strFilePath) throws HttpException, IOException {
HttpClient httpclient = new HttpClient(connectionManager);
// 设置连接超时
int connectionTimeout = defaultConnectionTimeout;
if (request.getConnectionTimeout() > 0) {
connectionTimeout = request.getConnectionTimeout();
}
httpclient.getHttpConnectionManager().getParams().setConnectionTimeout(connectionTimeout);
// 设置回应超时
int soTimeout = defaultSoTimeout;
if (request.getTimeout() > 0) {
soTimeout = request.getTimeout();
}
httpclient.getHttpConnectionManager().getParams().setSoTimeout(soTimeout);
// 设置等待ConnectionManager释放connection的时间
httpclient.getParams().setConnectionManagerTimeout(defaultHttpConnectionManagerTimeout);
String charset = request.getCharset();
charset = charset == null ? DEFAULT_CHARSET : charset;
HttpMethod method = null;
//get模式且不带上传文件
if (request.getMethod().equals(HttpRequest.METHOD_GET)) {
method = new GetMethod(request.getUrl());
method.getParams().setCredentialCharset(charset);
// parseNotifyConfig会保证使用GET方法时，request一定使用QueryString
method.setQueryString(request.getQueryString());
} else if(strParaFileName.equals("") && strFilePath.equals("")) {
//post模式且不带上传文件
method = new PostMethod(request.getUrl());
((PostMethod) method).addParameters(request.getParameters());
method.addRequestHeader("Content-Type", "application/x-www-form-urlencoded; text/html; charset=" + charset);
}
else {
//post模式且带上传文件
method = new PostMethod(request.getUrl());
List<Part> parts = new ArrayList<Part>();
for (int i = 0; i < request.getParameters().length; i++) {
parts.add(new StringPart(request.getParameters()[i].getName(), request.getParameters()[i].getValue(), charset));
}
//增加文件参数，strParaFileName是参数名，使用本地文件
parts.add(new FilePart(strParaFileName, new FilePartSource(new File(strFilePath))));
// 设置请求体
((PostMethod) method).setRequestEntity(new MultipartRequestEntity(parts.toArray(new Part[0]), new HttpMethodParams()));
}
// 设置Http Header中的User-Agent属性
method.addRequestHeader("User-Agent", "Mozilla/4.0");
HttpResponse response = new HttpResponse();
try {
httpclient.executeMethod(method);
if (request.getResultType().equals(HttpResultType.STRING)) {
response.setStringResult(method.getResponseBodyAsString());
} else if (request.getResultType().equals(HttpResultType.BYTES)) {
response.setByteResult(method.getResponseBody());
}
response.setResponseHeaders(method.getResponseHeaders());
} catch (UnknownHostException ex) {
return null;
} catch (IOException ex) {
return null;
} catch (Exception ex) {
return null;
} finally {
method.releaseConnection();
}
return response;
}
/**
* 将NameValuePairs数组转变为字符串
*
* @param nameValues
* @return
*/
protected String toString(NameValuePair[] nameValues) {
if (nameValues == null || nameValues.length == 0) {
return "null";
}
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < nameValues.length; i++) {
NameValuePair nameValue = nameValues[i];
if (i == 0) {
buffer.append(nameValue.getName() + "=" + nameValue.getValue());
} else {
buffer.append("&" + nameValue.getName() + "=" + nameValue.getValue());
}
}
return buffer.toString();
}
}
boot-service/src/main/java/com/xwbing/util/payAlipay/HttpRequest.java
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@@ -1,152 +0,0 @@
package com.xwbing.util.payAlipay;
import org.apache.commons.httpclient.NameValuePair;
/* *
*类名：HttpRequest
*功能：Http请求对象的封装
*详细：封装Http请求
*版本：3.3
*日期：2011-08-17
*说明：
*以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
*该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
*/
public class HttpRequest {
/** HTTP GET method */
public static final String METHOD_GET = "GET";
/** HTTP POST method */
public static final String METHOD_POST = "POST";
/**
* 待请求的url
*/
private String url = null;
/**
* 默认的请求方式
*/
private String method = METHOD_POST;
private int timeout = 0;
private int connectionTimeout = 0;
/**
* Post方式请求时组装好的参数值对
*/
private NameValuePair[] parameters = null;
/**
* Get方式请求时对应的参数
*/
private String queryString = null;
/**
* 默认的请求编码方式
*/
private String charset = "GBK";
/**
* 请求发起方的ip地址
*/
private String clientIp;
/**
* 请求返回的方式
*/
private HttpResultType resultType = HttpResultType.BYTES;
public HttpRequest(HttpResultType resultType) {
super();
this.resultType = resultType;
}
/**
* @return Returns the clientIp.
*/
public String getClientIp() {
return clientIp;
}
/**
* @param clientIp The clientIp to set.
*/
public void setClientIp(String clientIp) {
this.clientIp = clientIp;
}
public NameValuePair[] getParameters() {
return parameters;
}
public void setParameters(NameValuePair[] parameters) {
this.parameters = parameters;
}
public String getQueryString() {
return queryString;
}
public void setQueryString(String queryString) {
this.queryString = queryString;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getMethod() {
return method;
}
public void setMethod(String method) {
this.method = method;
}
public int getConnectionTimeout() {
return connectionTimeout;
}
public void setConnectionTimeout(int connectionTimeout) {
this.connectionTimeout = connectionTimeout;
}
public int getTimeout() {
return timeout;
}
public void setTimeout(int timeout) {
this.timeout = timeout;
}
/**
* @return Returns the charset.
*/
public String getCharset() {
return charset;
}
/**
* @param charset The charset to set.
*/
public void setCharset(String charset) {
this.charset = charset;
}
public HttpResultType getResultType() {
return resultType;
}
public void setResultType(HttpResultType resultType) {
this.resultType = resultType;
}
}
boot-service/src/main/java/com/xwbing/util/payAlipay/HttpResponse.java
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@@ -1,72 +0,0 @@
package com.xwbing.util.payAlipay;
import org.apache.commons.httpclient.Header;
import java.io.UnsupportedEncodingException;
/* *
*类名：HttpResponse
*功能：Http返回对象的封装
*详细：封装Http返回信息
*版本：3.3
*日期：2011-08-17
*说明：
*以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
*该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
*/
public class HttpResponse {
/**
* 返回中的Header信息
*/
private Header[] responseHeaders;
/**
* String类型的result
*/
private String stringResult;
/**
* btye类型的result
*/
private byte[] byteResult;
public Header[] getResponseHeaders() {
return responseHeaders;
}
public void setResponseHeaders(Header[] responseHeaders) {
this.responseHeaders = responseHeaders;
}
public byte[] getByteResult() {
if (byteResult != null) {
return byteResult;
}
if (stringResult != null) {
return stringResult.getBytes();
}
return null;
}
public void setByteResult(byte[] byteResult) {
this.byteResult = byteResult;
}
public String getStringResult() throws UnsupportedEncodingException {
if (stringResult != null) {
return stringResult;
}
if (byteResult != null) {
return new String(byteResult, "utf-8");
}
return null;
}
public void setStringResult(String stringResult) {
this.stringResult = stringResult;
}
}
boot-service/src/main/java/com/xwbing/util/payAlipay/HttpResultType.java
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@@ -1,27 +0,0 @@
/*
* Alipay.com Inc.
* Copyright (c) 2004-2005 All Rights Reserved.
*/
package com.xwbing.util.payAlipay;
/* *
*类名：HttpResultType
*功能：表示Http返回的结果字符方式
*详细：表示Http返回的结果字符方式
*版本：3.3
*日期：2012-08-17
*说明：
*以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
*该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
*/
public enum HttpResultType {
/**
* 字符串方式
*/
STRING,
/**
* 字节数组方式
*/
BYTES
}
boot-service/src/main/java/com/xwbing/util/payAlipay/MD5.java
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@@ -1,68 +0,0 @@
package com.xwbing.util.payAlipay;
import org.apache.commons.codec.digest.DigestUtils;
import java.io.UnsupportedEncodingException;
import java.security.SignatureException;
/**
* 功能：支付宝MD5签名处理核心文件，不需要修改
* 版本：3.3
* 修改日期：2012-08-17
* 说明：
* 以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
* 该代码仅供学习和研究支付宝接口使用，只是提供一个
* */
public class MD5 {
/**
* 签名字符串
* @param text 需要签名的字符串
* @param key 密钥
* @param input_charset 编码格式
* @return 签名结果
*/
public static String sign(String text, String key, String input_charset) {
text = text + key;
return DigestUtils.md5Hex(getContentBytes(text, input_charset));
}
/**
* 签名字符串
* @param text 需要签名的字符串
* @param sign 签名结果
* @param key 密钥
* @param input_charset 编码格式
* @return 签名结果
*/
public static boolean verify(String text, String sign, String key, String input_charset) {
text = text + key;
String mysign = DigestUtils.md5Hex(getContentBytes(text, input_charset));
if(mysign.equals(sign)) {
return true;
}
else {
return false;
}
}
/**
* @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("MD5签名过程中出现错误,指定的编码集不对,您目前指定的编码集是:" + charset);
}
}
}
boot-service/src/main/java/com/xwbing/util/payAlipay/RSA.java
-119
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@@ -1,119 +0,0 @@
package com.xwbing.util.payAlipay;
import javax.crypto.Cipher;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
public class RSA {
public static final String SIGN_ALGORITHMS = "SHA1WithRSA";
/**
* RSA签名
*
* @param content 待签名数据
* @param privateKey 商户私钥
* @param input_charset 编码格式
* @return 签名值
*/
public static String sign(String content, String privateKey, String input_charset) {
try {
PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec(Base64.decode(privateKey));
KeyFactory keyf = KeyFactory.getInstance("RSA");
PrivateKey priKey = keyf.generatePrivate(priPKCS8);
java.security.Signature signature = java.security.Signature
.getInstance(SIGN_ALGORITHMS);
signature.initSign(priKey);
signature.update(content.getBytes(input_charset));
byte[] signed = signature.sign();
return Base64.encode(signed);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* RSA验签名检查
*
* @param content 待签名数据
* @param sign 签名值
* @param ali_public_key 支付宝公钥
* @param input_charset 编码格式
* @return 布尔值
*/
public static boolean verify(String content, String sign, String ali_public_key, String input_charset) {
try {
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
byte[] encodedKey = Base64.decode(ali_public_key);
PublicKey pubKey = keyFactory.generatePublic(new X509EncodedKeySpec(encodedKey));
java.security.Signature signature = java.security.Signature
.getInstance(SIGN_ALGORITHMS);
signature.initVerify(pubKey);
signature.update(content.getBytes(input_charset));
boolean bverify = signature.verify(Base64.decode(sign));
return bverify;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* 解密
*
* @param content 密文
* @param private_key 商户私钥
* @param input_charset 编码格式
* @return 解密后的字符串
*/
public static String decrypt(String content, String private_key, String input_charset) throws Exception {
PrivateKey prikey = getPrivateKey(private_key);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, prikey);
InputStream ins = new ByteArrayInputStream(Base64.decode(content));
ByteArrayOutputStream writer = new ByteArrayOutputStream();
//rsa解密的字节大小最多是128，将需要解密的内容，按128位拆开解密
byte[] buf = new byte[128];
int bufl;
while ((bufl = ins.read(buf)) != -1) {
byte[] block = null;
if (buf.length == bufl) {
block = buf;
} else {
block = new byte[bufl];
for (int i = 0; i < bufl; i++) {
block[i] = buf[i];
}
}
writer.write(cipher.doFinal(block));
}
return new String(writer.toByteArray(), input_charset);
}
/**
* 得到私钥
*
* @param key 密钥字符串（经过base64编码）
* @throws Exception
*/
public static PrivateKey getPrivateKey(String key) throws Exception {
byte[] keyBytes;
keyBytes = Base64.decode(key);
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
PrivateKey privateKey = keyFactory.generatePrivate(keySpec);
return privateKey;
}
}