我在使用加密的生产环境中遇到问题。生产环境中的加密异常
下面的代码是问题的根源:
public static void standardExceptionHandling(Exception exc, Logger alog) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
exc.printStackTrace(pw);
alog.info(sw.toString()); /* Line 292 */
}
/**
* Method that takes a key/value set, converts it into a standard web parameter string
* and then encrypts the string.
*
* @param values the key value set
* @return the encrypted string
*
*/
public static String encrypt(Map<String, String> values) {
StringBuilder unencrypted = new StringBuilder();
boolean first = true;
for (Map.Entry<String, String> value : values.entrySet()) {
if (first) {
first = false;
} else {
unencrypted.append("&");
}
unencrypted.append(value.getKey())
.append("=")
.append(value.getValue());
}
try {
Cipher cipher = Cipher.getInstance("AES");
Key aesKey = new SecretKeySpec(AES_KEY.getBytes(), "AES");
cipher.init(Cipher.ENCRYPT_MODE, aesKey);
byte[] encrypted = cipher.doFinal(unencrypted.toString().getBytes("UTF8"));
String enc = new sun.misc.BASE64Encoder().encode(encrypted);
return enc;
} catch (Exception e) {
standardExceptionHandling(e, log);
return "";
}
}
/**
* Method that takes an encrypted string containing a standard web parameter string
* and converts it to a key/value set
*
* @param encrypted the encrypted string
* @return the key value set
*/
public static Map<String, String> decrypt(String encrypted) {
String decrypted = "";
try {
Cipher cipher = Cipher.getInstance("AES");
Key aesKey = new SecretKeySpec(AES_KEY.getBytes(), "AES");
cipher.init(Cipher.DECRYPT_MODE, aesKey);
byte[] dec = new sun.misc.BASE64Decoder().decodeBuffer(encrypted);
decrypted = new String(cipher.doFinal(dec), "UTF8");
} catch (Exception e) {
standardExceptionHandling(e, log);
}
Map<String, String> values = new HashMap<String, String>();
for (String pair : decrypted.split("&")) {
String[] split_pair = pair.split("=");
String key, value;
if (split_pair.length == 1) {
key = split_pair[0];
value = "";
} else if (split_pair.length == 2) {
key = split_pair[0];
value = split_pair[1];
} else if (split_pair.length > 2) {
log.debug("Error when decrypting string, parameter found with more than 2 parts (" + pair + ")");
continue;
} else {
// We should never reach this, as it is impossible to split a string into a 0 length array.
log.debug("The impossible happened, we split a String into a 0 length array (" + pair + ")");
continue;
}
// This is only reach when key and value have been initialised thank to the continue statements when we hit
// an error state.
values.put(key, value);
}
return values;
}
没有例外加密文本时抛出。 加密后,它是通过一个URL通过servlet传回
在我们的生产服务器,我们得到以下异常:
INFO 10/mar/2017 06:02:37 [http-nio-80-exec-104] (HelperMethods.java:292) - javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher
at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:913)
at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:824)
at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:436)
at javax.crypto.Cipher.doFinal(Cipher.java:2165)
at com.gg.gomoenterprise.utils.HelperMethods.decrypt(HelperMethods.java:349)
at com.gg.gomomessenger.servlets.EmailServlet.doPost(EmailServlet.java:60)
at com.gg.gomomessenger.servlets.EmailServlet.doGet(EmailServlet.java:46)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1526)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1482)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
DEBUG 10/mar/2017 06:02:37 [http-nio-80-exec-104] (EmailServlet.java:88) - com.gg.gomomessenger.commons.exceptions.EmailSeverletException: <h1>We do not see your email address in this program. You may have already unsubscribed or be subscribed with a different email address. If you need assistance, email [email protected]</h1>
at com.gg.gomomessenger.commons.exceptions.EmailSeverletException.dataMisingException(EmailSeverletException.java:39)
at com.gg.gomomessenger.servlets.EmailOptInServlet.handleOpt(EmailOptInServlet.java:91)
at com.gg.gomomessenger.servlets.EmailServlet.doPost(EmailServlet.java:82)
at com.gg.gomomessenger.servlets.EmailServlet.doGet(EmailServlet.java:46)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1526)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1482)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
这仅发生在生产,而不是本地,dev或staging。 所有的服务器都运行Tomcat 8.0.26
本地JRE Java版本 “1.8.0_121” 的Java(TM)SE运行时环境(建1.8.0_121-B13) 的HotSpot的Java(TM)64位服务器VM(建立25.121-B13,混合模式)
分期JRE Java版本 “1.8.0_66” 的Java(TM)SE运行时环境(建立1.8.0_66-B17) 的HotSpot的Java(TM)64位服务器VM(版本25.66-b17,混合模式)
Stagin JRE Java版本 “1.8.0_66” 的Java(TM)SE运行时环境(建立1.8.0_66-B17) 爪哇热点(TM)64位服务器VM(建立25.66-B17,混合模式)
生产JRE Java版本 “1.8.0_60” 的Java(TM)SE运行时环境(建立1.8.0_60-B27) 爪哇热点(TM)64位服务器VM(建立25.60-B23,混合模式)
这可能是一个代码问题?
在调试什么是数据长度(dec的长度)时,它必须是块大小的倍数,AES的16字节?错误消息:“当使用填充密码解密时,输入长度必须是16的倍数”说明一切。 – zaph
您在生产环境中使用该代码?它使用ECB模式......你应该修复这个问题。 –
@LukePark,不是很有帮助....你能告诉我什么使用。而不是仅仅说“修复” 此外,这并不意味着是一个主要的加密算法,它只是简单地隐藏用户的4个参数。 如果我们没有加密,我们会传递4个参数,他们都需要匹配(所有不同但链接)。如果他们不正确链接,页面将不会加载! –