物联网系统获取token采用password模式，在解密密码时发生错误

一、该问题的重现步骤是什么？

1. 使用password模式获取token

2. 

3.

使用账户名 admin 密码 WiseData123456.

二、你期待的结果是什么？实际看到的又是什么？

三、你正在使用的是什么产品，什么版本？在什么操作系统上？

四、请提供详细的错误堆栈信息，这很重要。

org.bouncycastle.util.encoders.DecoderException: exception decoding Hex string: invalid characters encountered in Hex string

at org.bouncycastle.util.encoders.Hex.decode(Unknown Source)

at org.springblade.core.tool.utils.SM2Util.decrypt(SM2Util.java:98)

at org.springblade.modules.auth.utils.TokenUtil.decryptPassword(TokenUtil.java:134)

at org.springblade.modules.auth.granter.PasswordTokenGranter.grant(PasswordTokenGranter.java:62)

at org.springblade.modules.auth.controller.AuthController.token(AuthController.java:83)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:569)

at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:255)

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:188)

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:118)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:926)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:831)

at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)

at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:914)

at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:547)

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)

at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614)

at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)

at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)

at org.springblade.core.tool.request.BladeRequestFilter.doFilter(BladeRequestFilter.java:94)

at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67)

at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)

at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)

at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67)

at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)

at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)

at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67)

at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)

at org.springframework.web.filter.ServerHttpObservationFilter.doFilterInternal(ServerHttpObservationFilter.java:113)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)

at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67)

at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)

at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)

at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:67)

at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)

at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)

at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)

at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)

at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)

at io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)

at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:117)

at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)

at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)

at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)

at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)

at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)

at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)

at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

at io.undertow.servlet.handlers.SendErrorPageHandler.handleRequest(SendErrorPageHandler.java:52)

at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:276)

at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)

at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:132)

at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)

at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)

at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:256)

at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:101)

at io.undertow.server.Connectors.executeRootHandler(Connectors.java:395)

at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:859)

at org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18)

at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2513)

at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1538)

at org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1282)

at java.base/java.lang.Thread.run(Thread.java:840)

Caused by: java.io.IOException: invalid characters encountered in Hex string

at org.bouncycastle.util.encoders.HexEncoder.decode(Unknown Source)

... 73 common frames omitted

五、若有更多详细信息，请在下面提供。