diff --git a/kerfuffle/propertiesdialog.h b/kerfuffle/propertiesdialog.h
--- a/kerfuffle/propertiesdialog.h
+++ b/kerfuffle/propertiesdialog.h
@@ -30,7 +30,9 @@
 
 #include "kerfuffle/archive_kerfuffle.h"
 
+#include <QCryptographicHash>
 #include <QDialog>
+#include <QFuture>
 
 namespace Kerfuffle
 {
@@ -40,8 +42,18 @@
 
 public:
     explicit PropertiesDialog(QWidget *parent, Archive *archive);
+
+private slots:
+    void slotShowSha1();
+    void slotShowSha256();
+
 private:
+    QString calcHash(QCryptographicHash::Algorithm algorithm);
+
     class PropertiesDialogUI *m_ui;
+    QByteArray m_byteArray;
+    QFuture<QString> m_futureCalcSha1;
+    QFuture<QString> m_futureCalcSha256;
 };
 }
 
diff --git a/kerfuffle/propertiesdialog.cpp b/kerfuffle/propertiesdialog.cpp
--- a/kerfuffle/propertiesdialog.cpp
+++ b/kerfuffle/propertiesdialog.cpp
@@ -29,8 +29,10 @@
 #include "ark_debug.h"
 #include "ui_propertiesdialog.h"
 
+#include <QtConcurrent/QtConcurrentRun>
 #include <QDateTime>
 #include <QFileInfo>
+#include <QFutureWatcher>
 
 #include <KIconLoader>
 #include <KIO/Global>
@@ -80,6 +82,27 @@
         break;
     }
 
+    QFile file(archive->fileName());
+
+    if (file.open(QIODevice::ReadOnly)) {
+        m_byteArray = file.readAll();
+        file.close();
+
+        QCryptographicHash hashMD5(QCryptographicHash::Md5);
+        hashMD5.addData(m_byteArray);
+        m_ui->lblMD5->setText(QLatin1String(hashMD5.result().toHex()));
+
+        QFutureWatcher<QString> *watchCalcSha1 = new QFutureWatcher<QString>;
+        connect(watchCalcSha1, SIGNAL(finished()), this, SLOT(slotShowSha1()));
+        m_futureCalcSha1 = QtConcurrent::run(this, &PropertiesDialog::calcHash, QCryptographicHash::Sha1);
+        watchCalcSha1->setFuture(m_futureCalcSha1);
+
+        QFutureWatcher<QString> *watchCalcSha256 = new QFutureWatcher<QString>;
+        connect(watchCalcSha256, SIGNAL(finished()), this, SLOT(slotShowSha256()));
+        m_futureCalcSha256 = QtConcurrent::run(this, &PropertiesDialog::calcHash, QCryptographicHash::Sha256);
+        watchCalcSha256->setFuture(m_futureCalcSha256);
+    }
+
     // Show an icon representing the mimetype of the archive.
     QIcon icon = QIcon::fromTheme(archive->mimeType().iconName());
     m_ui->lblIcon->setPixmap(icon.pixmap(IconSize(KIconLoader::Desktop), IconSize(KIconLoader::Desktop)));
@@ -90,5 +113,28 @@
     setFixedSize(m_ui->size());
 }
 
+QString PropertiesDialog::calcHash(QCryptographicHash::Algorithm algorithm) {
+
+    QCryptographicHash hash(algorithm);
+    hash.addData(m_byteArray);
+
+    return QLatin1String(hash.result().toHex());
+}
+
+void PropertiesDialog::slotShowSha1() {
+
+    m_ui->lblSHA1->setText(m_futureCalcSha1.result());
+    m_ui->groupBox->adjustSize();
+    m_ui->adjustSize();
+    setFixedSize(m_ui->size());
+}
+
+void PropertiesDialog::slotShowSha256() {
+
+    m_ui->lblSHA256->setText(m_futureCalcSha256.result());
+    m_ui->groupBox->adjustSize();
+    m_ui->adjustSize();
+    setFixedSize(m_ui->size());
+}
 
 }
diff --git a/kerfuffle/propertiesdialog.ui b/kerfuffle/propertiesdialog.ui
--- a/kerfuffle/propertiesdialog.ui
+++ b/kerfuffle/propertiesdialog.ui
@@ -66,6 +66,13 @@
           </property>
          </widget>
         </item>
+        <item row="2" column="1">
+         <widget class="QLabel" name="lblMimetype">
+          <property name="text">
+           <string>lblMimetype</string>
+          </property>
+         </widget>
+        </item>
         <item row="3" column="0">
          <widget class="QLabel" name="label_8">
           <property name="text">
@@ -178,10 +185,54 @@
           </property>
          </widget>
         </item>
-        <item row="2" column="1">
-         <widget class="QLabel" name="lblMimetype">
+        <item row="11" column="0">
+         <widget class="QLabel" name="label_12">
           <property name="text">
-           <string>lblMimetype</string>
+           <string>MD5 hash:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="11" column="1">
+         <widget class="QLabel" name="lblMD5">
+          <property name="text">
+           <string/>
+          </property>
+          <property name="textInteractionFlags">
+           <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
+          </property>
+         </widget>
+        </item>
+        <item row="12" column="0">
+         <widget class="QLabel" name="label_13">
+          <property name="text">
+           <string>SHA-1 hash:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="12" column="1">
+         <widget class="QLabel" name="lblSHA1">
+          <property name="text">
+           <string>Calculating...</string>
+          </property>
+          <property name="textInteractionFlags">
+           <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
+          </property>
+         </widget>
+        </item>
+        <item row="13" column="0">
+         <widget class="QLabel" name="label_14">
+          <property name="text">
+           <string>SHA-256 hash:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="13" column="1">
+         <widget class="QLabel" name="lblSHA256">
+          <property name="text">
+           <string>Calculating...</string>
+          </property>
+          <property name="textInteractionFlags">
+           <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
           </property>
          </widget>
         </item>