1 files changed, 15 insertions, 0 deletions
diff --git a/src/crypto/kdf/Kdf.h b/src/crypto/kdf/Kdf.h
index 368fb16f7..da9a2526c 100644
--- a/src/crypto/kdf/Kdf.h
+++ b/src/crypto/kdf/Kdf.h
@@ -44,8 +44,23 @@ public:
     virtual bool transform(const QByteArray& raw, QByteArray& result) const = 0;
     virtual QSharedPointer<Kdf> clone() const = 0;
 
+    virtual QString toString() const = 0;
+
     int benchmark(int msec) const;
 
+    /*
+     * Default target encryption time, in MS.
+     */
+    static const int DEFAULT_ENCRYPTION_TIME = 1000;
+    /*
+     * Minimum target encryption time, in MS.
+     */
+    static const int MIN_ENCRYPTION_TIME = 100;
+    /*
+     * Maximum target encryption time, in MS.
+     */
+    static const int MAX_ENCRYPTION_TIME = 5000;
+
 protected:
     virtual int benchmarkImpl(int msec) const = 0;