fixed error handle

src/main/java/component/SignatureInfo.java

@@ -117,11 +117,7 @@ public class SignatureInfo implements TlvComponentBase, IEncodingAble {
             totalLength+=tmplen;
         }
         int tmplen= 0;
-        try {
-            tmplen = this.signatureType.wireEncode(encoder);
-        } catch (EncoderException e) {
-            throw new ComponentException("SignatureInfo.wireEncode: "+e.getMessage());
-        }
+        tmplen = this.signatureType.wireEncode(encoder);
         if(tmplen<=0){
             return -1;
         }
@@ -185,12 +181,8 @@ public class SignatureInfo implements TlvComponentBase, IEncodingAble {
             }
             switch (type){
                 case TLV.TlvSignatureType:
-                    try {
-                        if(!this.signatureType.wireDecode(cacheBlock)){
-                            return false;
-                        }
-                    } catch (VlIntException e) {
-                        throw new ComponentException("SignatureInfo.wireDecode: "+e.getMessage());
+                    if(!this.signatureType.wireDecode(cacheBlock)){
+                        return false;
                     }
                     findSignatureType=true;
                 case TLV.TlvKeyLocator: