diff --git a/poppler/Form.cc b/poppler/Form.cc
index 4df8a7d..1da9776 100644
--- a/poppler/Form.cc
+++ b/poppler/Form.cc
@@ -1107,11 +1107,28 @@ void FormFieldChoice::_createChoicesTab ()
 FormFieldSignature::FormFieldSignature(XRef *xrefA, Object *dict, const Ref& ref)
 	: FormField(xrefA, dict, ref, formSignature)
 {
+    Object v, contents;
+
+    if (dict->dictLookup("V", &v)->isDict()) {
+        if (v.dictLookup("Contents", &contents)->isString()) {
+            this->contents = contents.getString()->copy();
+            v.dictLookup("ByteRange", &byteRange);
+            v.dictLookup("Filter", &filter);
+            v.dictLookup("SubFilter", &subFilter);
+        }
+        contents.free();
+    }
+    v.free();
 }
 
 FormFieldSignature::~FormFieldSignature()
 {
-
+    if(contents) {
+        delete contents;
+}
+    byteRange.free();
+    filter.free();
+    subFilter.free();
 }
 
 //------------------------------------------------------------------------
diff --git a/poppler/Form.h b/poppler/Form.h
index 35d66af..e5d1a1f 100644
--- a/poppler/Form.h
+++ b/poppler/Form.h
@@ -418,6 +418,18 @@ public:
   FormFieldSignature(XRef *xrefA, Object *dict, const Ref& ref);
 
   virtual ~FormFieldSignature();
+
+  Array* GetByteRange() { return byteRange.getArray(); }
+  GooString* GetContents() const { return contents; }
+  char* GetFilter() { return filter.getName(); }
+  char* GetSubFilter() { return subFilter.getName();}
+
+protected:
+  GooString* contents;
+  Object byteRange;
+  Object filter;
+  Object subFilter;
+
 };
 
 //------------------------------------------------------------------------
diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index ade5fe4..80b5f6c 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -358,6 +358,25 @@ GBool PDFDoc::checkEncryption(GooString *ownerPassword, GooString *userPassword)
   return ret;
 }
 
+#define SIGFLAGS_SIGNATURES_EXIST   0x1
+#define SIGFLAGS_APPEND_ONLY        0x2
+
+GBool PDFDoc::isSigned() {
+    GBool ret;
+    Object sigFlags;
+
+    getCatalog()->getAcroForm()->dictLookup("SigFlags", &sigFlags);
+
+    if (sigFlags.isInt()) {
+        ret = sigFlags.getInt() & SIGFLAGS_SIGNATURES_EXIST;
+    } else {
+        ret = gFalse;
+    }
+    sigFlags.free();
+
+    return ret;
+}
+
 void PDFDoc::displayPage(OutputDev *out, int page,
 			 double hDPI, double vDPI, int rotate,
 			 GBool useMediaBox, GBool crop, GBool printing,
diff --git a/poppler/PDFDoc.h b/poppler/PDFDoc.h
index 6d7dea2..22fdb40 100644
--- a/poppler/PDFDoc.h
+++ b/poppler/PDFDoc.h
@@ -176,6 +176,9 @@ public:
   // Is the file encrypted?
   GBool isEncrypted() { return xref->isEncrypted(); }
 
+  // Is the file signed?
+  GBool isSigned();
+
   // Check various permissions.
   GBool okToPrint(GBool ignoreOwnerPW = gFalse)
     { return xref->okToPrint(ignoreOwnerPW); }
diff --git a/utils/pdfinfo.cc b/utils/pdfinfo.cc
index 2abe8b4..b4b2233 100644
--- a/utils/pdfinfo.cc
+++ b/utils/pdfinfo.cc
@@ -49,6 +49,7 @@
 #include "PDFDocEncoding.h"
 #include "Error.h"
 #include "DateInfo.h"
+#include "Form.h"
 
 static void printInfoString(Dict *infoDict, char *key, char *text,
 			    UnicodeMap *uMap);
@@ -111,6 +112,8 @@ int main(int argc, char *argv[]) {
   int exitCode;
   int pg, i;
   GBool multiPage;
+  Form *form;
+  FormField *formField;
 
   exitCode = 99;
 
@@ -225,6 +228,61 @@ int main(int argc, char *argv[]) {
     printf("no\n");
   }
 
+  // print signature info
+  printf("Signed:         ");
+  if (doc->isSigned()) {
+      printf("yes (");
+
+      form = doc->getCatalog()->getForm();
+      int sigCounter = 0;
+
+      for (int i = 0; i < form->getNumFields(); i++) {
+        formField = form->getRootField(i);
+        if (formField->getType() == formSignature) {
+            FormFieldSignature* formFieldSig
+                    = static_cast<FormFieldSignature*> (formField);
+
+            GooString* contents = formFieldSig->GetContents();
+
+            if (i != 0) {
+                printf("\n                     ");
+            }
+
+            printf("Signature %d: encoding:%s length:%d",
+                    ++sigCounter,
+                    formFieldSig->GetSubFilter(),
+                    contents->getLength());
+
+//            for (int i = 0; i < contents->getLength(); i++) {
+//                printf("%x ", contents->getChar(i) & 0xff);
+//            }
+//            printf("\n");
+
+            Array *byteRange = formFieldSig->GetByteRange();
+
+            for (int i = 0; i < byteRange->getLength(); i+=2) {
+                Object start, length;
+                byteRange->get(i, &start);
+                byteRange->get(i+1, &length);
+                printf(" bytes: %d-%d",
+                        start.getInt(), start.getInt() + length.getInt());
+
+                int oldPos = doc->getBaseStream()->getPos();
+                doc->getBaseStream()->setPos(start.getInt());
+//                for (int j = 0; j < length.getInt(); j++) {
+//                    printf("%x ", doc->getBaseStream()->getChar() & 0xff);
+//                }
+                doc->getBaseStream()->setPos(oldPos);
+                start.free();
+                length.free();
+            }
+        }
+      }
+      printf(")\n");
+  } else {
+      printf("no\n");
+  }
+
   // print page size
   for (pg = firstPage; pg <= lastPage; ++pg) {
     w = doc->getPageCropWidth(pg);