JAVA 알고리즘 오류..signpost

자바 고수님들께 질문 좀 드리겠습니다.

제가 지금 oAuth관련하여 개발중에 있는데 암호화 알고리즘 오류가 나네요...
아무리 검색을 해도 좀처럼 잡기가 힘듭니다.

에러 내용은 다음과 같습니다.
oauth.signpost.exception.OAuthCommunicationException: Communication with the service provider failed: java.security.NoSuchAlgorithmException: No Such Mac algorithm
at oauth.signpost.AbstractOAuthProvider.retrieveToken(AbstractOAuthProvider.java:214)
at oauth.signpost.AbstractOAuthProvider.retrieveRequestToken(AbstractOAuthProvider.java:69)
at com.kt.dpp.frontend.web.jsp.testPayControllerImpl.getRequestToken(testPayControllerImpl.java:202)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.web.servlet.mvc.multiaction.MultiActionController.invokeNamedMethod(MultiActionController.java:471)
at org.springframework.web.servlet.mvc.multiaction.MultiActionController.handleRequestInternal(MultiActionController.java:408)
at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
Caused by: oauth.signpost.exception.OAuthMessageSignerException: java.security.NoSuchAlgorithmException: No Such Mac algorithm
at oauth.signpost.signature.HmacSha1MessageSigner.sign(HmacSha1MessageSigner.java:57)
at oauth.signpost.AbstractOAuthConsumer.sign(AbstractOAuthConsumer.java:107)
at oauth.signpost.AbstractOAuthProvider.retrieveToken(AbstractOAuthProvider.java:171)
... 37 more
Caused by: java.security.NoSuchAlgorithmException: No Such Mac algorithm
at javax.crypto.Mac.getInstance(Mac.java:42)
at oauth.signpost.signature.HmacSha1MessageSigner.sign(HmacSha1MessageSigner.java:48)
... 39 more

암호화 알고리즘 관련 에러인건 분명한거 같은데 왜 오류가 나는지 모르겠습니다..ㅠㅠ

아래에는 소스입니다
OAuthConsumer consumer = new DefaultOAuthConsumer(this.oauth_consumer_key,this.oauth_token_secret);
HttpParameters additionalParameters = new HttpParameters();
additionalParameters.put("realm", "userAuth");
consumer.setAdditionalParameters(additionalParameters);

OAuthProvider provider = new DefaultOAuthProvider(
this.oauth_token_secret, this.access_token_url, this.authorize_url);

String authUrl = provider.retrieveRequestToken(consumer,
this.oauth_callback); //여기서 에러

request.getSession().setAttribute("OAUTH_TOKEN", consumer.getToken());
request.getSession().setAttribute("OAUTH_TOKEN_SECRET",consumer.getTokenSecret());

response.sendRedirect (this.access_token_url + "?oauth_token=" + consumer.getToken());

return null;

라이브러리는 signpost 사용했구여...

제발 고수님들의 조언을 부탁드립니다...