diff --git a/certmanager/lib/backends/qgpgme/qgpgmejob.cpp b/certmanager/lib/backends/qgpgme/qgpgmejob.cpp
index 7f08aa29..947a5258 100644
--- a/certmanager/lib/backends/qgpgme/qgpgmejob.cpp
+++ b/certmanager/lib/backends/qgpgme/qgpgmejob.cpp
@@ -301,5 +301,5 @@ char * Kleo::QGpgMEJob::getPassphrase( const char * useridHint, const char * /*d
   }
   canceled = false;
   // gpgme++ free()s it, and we need to copy as long as dlg isn't deleted :o
-  return strdup( dlg.passphrase() );
+  return strdup( dlg.passphrase().utf8() );
 }
diff --git a/certmanager/lib/ui/passphrasedialog.cpp b/certmanager/lib/ui/passphrasedialog.cpp
index a2d0e7c3..e9f1e3e9 100644
--- a/certmanager/lib/ui/passphrasedialog.cpp
+++ b/certmanager/lib/ui/passphrasedialog.cpp
@@ -100,13 +100,12 @@ Kleo::PassphraseDialog::~PassphraseDialog() {
   delete d; d = 0;
 }
 
-const char * Kleo::PassphraseDialog::passphrase() const {
+const TQString Kleo::PassphraseDialog::passphrase() const {
   return d->lineedit->password();
 }
 
 void Kleo::PassphraseDialog::slotOk() {
-  const char * pass = passphrase();
-  emit finished( pass ? pass : "" );
+  emit finished( passphrase() );
   KDialogBase::slotOk();
 }
 
diff --git a/certmanager/lib/ui/passphrasedialog.h b/certmanager/lib/ui/passphrasedialog.h
index e83eca42..2416f811 100644
--- a/certmanager/lib/ui/passphrasedialog.h
+++ b/certmanager/lib/ui/passphrasedialog.h
@@ -63,13 +63,13 @@ namespace Kleo {
                       bool modal=true );
     ~PassphraseDialog();
 
-    const char * passphrase() const;
+    const TQString passphrase() const;
 
   signals:
     /** emitted when the user clicks Ok. \a pass is never NULL.
 	\c pass only valid inside slots connected to this signal.
      */
-    void finished( const char * pass );
+    void finished( const TQString pass );
     /** emitted when the user clicks Cancel. */
     void canceled();
 
diff --git a/libkpgp/kpgp.cpp b/libkpgp/kpgp.cpp
index 293b3681..a4242957 100644
--- a/libkpgp/kpgp.cpp
+++ b/libkpgp/kpgp.cpp
@@ -55,7 +55,7 @@ Module::Module()
     mPublicKeysCached(false),
     mSecretKeys(),
     mSecretKeysCached(false),
-    passphrase(0), passphrase_buffer_len(0), havePassPhrase(false)
+    passphrase(0), havePassPhrase(false)
 {
   if (!kpgpObject) {
     kdDebug(5100) << "creating new pgp object" << endl;
@@ -209,7 +209,7 @@ Module::prepare( bool needPassPhrase, Block* block )
       TQApplication::restoreOverrideCursor();
       if (passdlgResult == TQDialog::Accepted) {
         if (!setPassPhrase(passdlg.passphrase())) {
-          if (strlen(passdlg.passphrase()) >= 1024)
+          if (passdlg.passphrase().length() >= 1024)
              errMsg = i18n("Passphrase is too long, it must contain fewer than 1024 characters.");
           else
              errMsg = i18n("Out of memory.");
@@ -227,18 +227,11 @@ Module::prepare( bool needPassPhrase, Block* block )
 void
 Module::wipePassPhrase(bool freeMem)
 {
-  if ( passphrase ) {
-    if ( passphrase_buffer_len )
-      memset( passphrase, 0x00, passphrase_buffer_len );
-    else {
-      kdDebug(5100) << "wipePassPhrase: passphrase && !passphrase_buffer_len ???" << endl;
-      passphrase = 0;
-    }
+  if (!passphrase.isEmpty()) {
+    passphrase.fill(' ');
   }
-  if ( freeMem && passphrase ) {
-    free( passphrase );
-    passphrase = 0;
-    passphrase_buffer_len = 0;
+  if (freeMem && !passphrase.isNull()) {
+    passphrase = TQString();
   }
   havePassPhrase = false;
 }
@@ -837,34 +830,21 @@ Module::getAsciiPublicKey(const KeyID& keyID)
 }
 
 
-bool Module::setPassPhrase(const char * aPass)
+bool Module::setPassPhrase(const TQString& aPass)
 {
   // null out old buffer before we touch the new string.  So in case
   // aPass isn't properly null-terminated, we don't leak secret data.
   wipePassPhrase();
 
-  if (aPass)
+  if (!aPass.isNull())
   {
-    size_t newlen = strlen( aPass );
-    if ( newlen >= 1024 ) {
+    if (aPass.length() >= 1024) {
       // rediculously long passphrase.
       // Maybe someone wants to trick us in malloc()'ing
       // huge buffers...
       return false;
     }
-    if ( passphrase_buffer_len < newlen + 1 ) {
-      // too little space in current buffer:
-      // allocate a larger one.
-      if ( passphrase )
-	free( passphrase );
-      passphrase_buffer_len = (newlen + 1 + 15) & ~0xF; // make it a multiple of 16.
-      passphrase = (char*)malloc( passphrase_buffer_len );
-      if (!passphrase) {
-	passphrase_buffer_len = 0;
-	return false;
-      }
-    }
-    memcpy( passphrase, aPass, newlen + 1 );
+    passphrase = aPass;
     havePassPhrase = true;
   }
   return true;
diff --git a/libkpgp/kpgp.h b/libkpgp/kpgp.h
index 6628f41e..1ea49664 100644
--- a/libkpgp/kpgp.h
+++ b/libkpgp/kpgp.h
@@ -332,7 +332,7 @@ private:
   KeyIDList getEncryptionKeys( const TQString& person );
 
   /** Set pass phrase */
-  bool setPassPhrase(const char* pass);
+  bool setPassPhrase(const TQString& pass);
 
   /** test if the PGP executable is found and if there is a passphrase
       set or given. Returns:
@@ -431,8 +431,7 @@ private:
   bool mSecretKeysCached : 1; // did we already read the secret keys?
 
   bool storePass : 1;
-  char * passphrase;
-  size_t passphrase_buffer_len;
+  TQString passphrase;
 
   TQString errMsg;
 
diff --git a/libkpgp/kpgpbase.cpp b/libkpgp/kpgpbase.cpp
index c8efdfa4..5b28bd54 100644
--- a/libkpgp/kpgpbase.cpp
+++ b/libkpgp/kpgpbase.cpp
@@ -59,7 +59,7 @@ Base::clear()
 
 
 int
-Base::run( const char *cmd, const char *passphrase, bool onlyReadFromPGP )
+Base::run( const char *cmd, const TQString& passphrase, bool onlyReadFromPGP )
 {
   /* the pipe ppass is used for to pass the password to
    * pgp. passing the password together with the normal input through
@@ -74,7 +74,7 @@ Base::run( const char *cmd, const char *passphrase, bool onlyReadFromPGP )
   struct pollfd pollin, pollout, pollerr;
   int pollstatus;
 
-  if(passphrase)
+  if (!passphrase.isNull())
   {
     if (pipe(ppass) < 0) {
       // An error occurred
@@ -83,7 +83,8 @@ Base::run( const char *cmd, const char *passphrase, bool onlyReadFromPGP )
     }
 
     pass = fdopen(ppass[1], "w");
-    fwrite(passphrase, sizeof(char), strlen(passphrase), pass);
+    TQCString pass2 = passphrase.local8Bit();
+    fwrite(pass2, sizeof(char), pass2.length(), pass);
     fwrite("\n", sizeof(char), 1, pass);
     fclose(pass);
     close(ppass[1]);
@@ -368,7 +369,7 @@ Base::run( const char *cmd, const char *passphrase, bool onlyReadFromPGP )
   close(perr[0]);
 
   unsetenv("PGPPASSFD");
-  if(passphrase)
+  if (!passphrase.isNull())
     close(ppass[0]);
 
   // Did the child exit normally?
@@ -397,7 +398,7 @@ Base::run( const char *cmd, const char *passphrase, bool onlyReadFromPGP )
 
 
 int
-Base::runGpg( const char *cmd, const char *passphrase, bool onlyReadFromGnuPG )
+Base::runGpg( const char *cmd, const TQString& passphrase, bool onlyReadFromGnuPG )
 {
   /* the pipe ppass is used for to pass the password to
    * pgp. passing the password together with the normal input through
@@ -417,7 +418,7 @@ Base::runGpg( const char *cmd, const char *passphrase, bool onlyReadFromGnuPG )
   const int STD_IN = 2;
   int pollstatus;
 
-  if(passphrase)
+  if (!passphrase.isNull())
   {
     if (pipe(ppass) < 0) {
       // An error occurred
@@ -426,7 +427,8 @@ Base::runGpg( const char *cmd, const char *passphrase, bool onlyReadFromGnuPG )
     }
 
     pass = fdopen(ppass[1], "w");
-    fwrite(passphrase, sizeof(char), strlen(passphrase), pass);
+    TQCString pass2 = passphrase.local8Bit();
+    fwrite(pass2, sizeof(char), pass2.length(), pass);
     fwrite("\n", sizeof(char), 1, pass);
     fclose(pass);
     close(ppass[1]);
@@ -459,7 +461,7 @@ Base::runGpg( const char *cmd, const char *passphrase, bool onlyReadFromGnuPG )
     printf("Something went wrong in libkpgp/kpgpbase.cpp\n");
   }
 
-  if( passphrase ) {
+  if (!passphrase.isNull()) {
     if( mVersion >= "1.0.7" ) {
       // GnuPG >= 1.0.7 supports the gpg-agent, so we look for it.
       if( 0 == getenv("GPG_AGENT_INFO") ) {
@@ -504,7 +506,7 @@ Base::runGpg( const char *cmd, const char *passphrase, bool onlyReadFromGnuPG )
 
     //#warning FIXME: there has to be a better way to do this
      /* this is nasty nasty nasty (but it works) */
-    if( passphrase ) {
+    if (!passphrase.isNull()) {
       if( mVersion >= "1.0.7" ) {
         // GnuPG >= 1.0.7 supports the gpg-agent, so we look for it.
         if( 0 == getenv("GPG_AGENT_INFO") ) {
@@ -682,7 +684,7 @@ Base::runGpg( const char *cmd, const char *passphrase, bool onlyReadFromGnuPG )
   close(pout[0]);
   close(perr[0]);
 
-  if(passphrase)
+  if (!passphrase.isNull())
     close(ppass[0]);
 
   // Did the child exit normally?
diff --git a/libkpgp/kpgpbase.h b/libkpgp/kpgpbase.h
index 14f849cc..3f99073a 100644
--- a/libkpgp/kpgpbase.h
+++ b/libkpgp/kpgpbase.h
@@ -41,14 +41,14 @@ public:
   virtual int encrypt( Block& , const KeyIDList& ) { return OK; }
 
   /** Clearsigns the message with the currently set key. */
-  virtual int clearsign( Block& , const char *) { return OK; }
+  virtual int clearsign( Block& , const TQString& ) { return OK; }
 
   /** Encrypts and signs the message with the given keys. */
   virtual int encsign( Block& , const KeyIDList& ,
-                      const char * = 0) { return OK; }
+                      const TQString& = 0) { return OK; }
 
   /** Decrypts the message. */
-  virtual int decrypt( Block& , const char * = 0) { return OK; }
+  virtual int decrypt( Block& , const TQString& = 0) { return OK; }
 
   /** Verifies the message. */
   virtual int verify( Block& block ) { return decrypt( block, 0 ); }
@@ -77,7 +77,7 @@ public:
 
   /** Signs the given key with the currently set user key. This is currently
       not implemented. */
-  virtual int signKey(const KeyID& , const char *) { return OK; }
+  virtual int signKey(const KeyID& , const TQString& ) { return OK; }
 
 
   /** Returns an error message if an error occurred during the last
@@ -86,9 +86,9 @@ public:
 
 
 protected:
-  virtual int run( const char *cmd, const char *passphrase = 0,
+  virtual int run( const char *cmd, const TQString& passphrase = 0,
                    bool onlyReadFromPGP = false );
-  virtual int runGpg( const char *cmd, const char *passphrase = 0,
+  virtual int runGpg( const char *cmd, const TQString& passphrase = 0,
                       bool onlyReadFromGnuPG = false );
   virtual void clear();
 
@@ -115,10 +115,10 @@ public:
   virtual ~Base2();
 
   virtual int encrypt( Block& block, const KeyIDList& recipients );
-  virtual int clearsign( Block& block, const char *passphrase );
+  virtual int clearsign( Block& block, const TQString& passphrase );
   virtual int encsign( Block& block, const KeyIDList& recipients,
-                       const char *passphrase = 0 );
-  virtual int decrypt( Block& block, const char *passphrase = 0 );
+                       const TQString& passphrase = 0 );
+  virtual int decrypt( Block& block, const TQString& passphrase = 0 );
   virtual int verify( Block& block ) { return decrypt( block, 0 ); }
 
   virtual Key* readPublicKey( const KeyID& keyID,
@@ -127,7 +127,7 @@ public:
   virtual KeyList publicKeys( const TQStringList & patterns = TQStringList() );
   virtual KeyList secretKeys( const TQStringList & patterns = TQStringList() );
   virtual TQCString getAsciiPublicKey( const KeyID& keyID );
-  virtual int signKey( const KeyID& keyID, const char *passphrase );
+  virtual int signKey( const KeyID& keyID, const TQString& passphrase );
 
 protected:
   KeyList doGetPublicKeys( const TQCString & cmd,
@@ -147,10 +147,10 @@ public:
   virtual ~BaseG();
 
   virtual int encrypt( Block& block, const KeyIDList& recipients );
-  virtual int clearsign( Block& block, const char *passphrase );
+  virtual int clearsign( Block& block, const TQString& passphrase );
   virtual int encsign( Block& block, const KeyIDList& recipients,
-                       const char *passphrase = 0 );
-  virtual int decrypt( Block& block, const char *passphrase = 0 );
+                       const TQString& passphrase = 0 );
+  virtual int decrypt( Block& block, const TQString& passphrase = 0 );
   virtual int verify( Block& block ) { return decrypt( block, 0 ); }
 
   virtual Key* readPublicKey( const KeyID& keyID,
@@ -159,7 +159,7 @@ public:
   virtual KeyList publicKeys( const TQStringList & patterns = TQStringList() );
   virtual KeyList secretKeys( const TQStringList & patterns = TQStringList() );
   virtual TQCString getAsciiPublicKey( const KeyID& keyID );
-  virtual int signKey( const KeyID& keyID, const char *passphrase );
+  virtual int signKey( const KeyID& keyID, const TQString& passphrase );
 
 private:
   Key* parseKeyData( const TQCString& output, int& offset, Key* key = 0 );
@@ -175,10 +175,10 @@ public:
   virtual ~Base5();
 
   virtual int encrypt( Block& block, const KeyIDList& recipients );
-  virtual int clearsign( Block& block, const char *passphrase );
+  virtual int clearsign( Block& block, const TQString& passphrase );
   virtual int encsign( Block& block, const KeyIDList& recipients,
-                       const char *passphrase = 0 );
-  virtual int decrypt( Block& block, const char *passphrase = 0 );
+                       const TQString& passphrase = 0 );
+  virtual int decrypt( Block& block, const TQString& passphrase = 0 );
   virtual int verify( Block& block ) { return decrypt( block, 0 ); }
 
   virtual Key* readPublicKey( const KeyID& keyID,
@@ -187,7 +187,7 @@ public:
   virtual KeyList publicKeys( const TQStringList & patterns = TQStringList() );
   virtual KeyList secretKeys( const TQStringList & patterns = TQStringList() );
   virtual TQCString getAsciiPublicKey( const KeyID& keyID );
-  virtual int signKey( const KeyID& keyID, const char *passphrase );
+  virtual int signKey( const KeyID& keyID, const TQString& passphrase );
 
 private:
   Key* parseKeyData( const TQCString& output, int& offset, Key* key = 0 );
@@ -204,7 +204,7 @@ public:
   Base6();
   virtual ~Base6();
 
-  virtual int decrypt( Block& block, const char *passphrase = 0 );
+  virtual int decrypt( Block& block, const TQString& passphrase = 0 );
   virtual int verify( Block& block ) { return decrypt( block, 0 ); }
 
   virtual Key* readPublicKey( const KeyID& keyID,
diff --git a/libkpgp/kpgpbase2.cpp b/libkpgp/kpgpbase2.cpp
index 2d16951c..d0d08a0f 100644
--- a/libkpgp/kpgpbase2.cpp
+++ b/libkpgp/kpgpbase2.cpp
@@ -55,7 +55,7 @@ Base2::encrypt( Block& block, const KeyIDList& recipients )
 
 
 int
-Base2::clearsign( Block& block, const char *passphrase )
+Base2::clearsign( Block& block, const TQString& passphrase )
 {
   return encsign( block, KeyIDList(), passphrase );
 }
@@ -63,16 +63,16 @@ Base2::clearsign( Block& block, const char *passphrase )
 
 int
 Base2::encsign( Block& block, const KeyIDList& recipients,
-                const char *passphrase )
+                const TQString& passphrase )
 {
   TQCString cmd;
   int exitStatus = 0;
 
-  if(!recipients.isEmpty() && passphrase != 0)
+  if (!recipients.isEmpty() && !passphrase.isNull())
     cmd = PGP2 " +batchmode +language=en +verbose=1 -seat";
   else if(!recipients.isEmpty())
     cmd = PGP2 " +batchmode +language=en +verbose=1 -eat";
-  else if(passphrase != 0)
+  else if (!passphrase.isNull())
     cmd = PGP2 " +batchmode +language=en +verbose=1 -sat";
   else
   {
@@ -80,7 +80,7 @@ Base2::encsign( Block& block, const KeyIDList& recipients,
     return OK;
   }
 
-  if(passphrase != 0)
+  if (!passphrase.isNull())
     cmd += addUserId();
 
   if(!recipients.isEmpty()) {
@@ -185,7 +185,7 @@ Base2::encsign( Block& block, const KeyIDList& recipients,
     }
   }
 #endif
-  if(passphrase != 0)
+  if (!passphrase.isNull())
   {
     if(error.find("Pass phrase is good") != -1)
     {
@@ -224,7 +224,7 @@ Base2::encsign( Block& block, const KeyIDList& recipients,
 
 
 int
-Base2::decrypt( Block& block, const char *passphrase )
+Base2::decrypt( Block& block, const TQString& passphrase )
 {
   int index, index2;
   int exitStatus = 0;
@@ -294,7 +294,7 @@ Base2::decrypt( Block& block, const char *passphrase )
       block.setRequiredUserId( error.mid(index, index2 - index) );
       //kdDebug(5100) << "Base: key needed is \"" << block.requiredUserId() << "\"!\n";
 
-      if((passphrase != 0) && (error.find("Bad pass phrase") != -1))
+      if ((!passphrase.isNull()) && (error.find("Bad pass phrase") != -1))
       {
         errMsg = i18n("Bad passphrase; could not decrypt.");
         kdDebug(5100) << "Base: passphrase is bad" << endl;
@@ -573,7 +573,7 @@ Base2::secretKeys( const TQStringList & patterns )
 
 
 int
-Base2::signKey(const KeyID& keyID, const char *passphrase)
+Base2::signKey(const KeyID& keyID, const TQString& passphrase)
 {
   TQCString cmd;
   int exitStatus = 0;
diff --git a/libkpgp/kpgpbase5.cpp b/libkpgp/kpgpbase5.cpp
index 7f8e405a..dad10b3f 100644
--- a/libkpgp/kpgpbase5.cpp
+++ b/libkpgp/kpgpbase5.cpp
@@ -55,7 +55,7 @@ Base5::encrypt( Block& block, const KeyIDList& recipients )
 
 
 int
-Base5::clearsign( Block& block, const char *passphrase )
+Base5::clearsign( Block& block, const TQString& passphrase )
 {
   return encsign( block, KeyIDList(), passphrase );
 }
@@ -63,7 +63,7 @@ Base5::clearsign( Block& block, const char *passphrase )
 
 int
 Base5::encsign( Block& block, const KeyIDList& recipients,
-                const char *passphrase )
+                const TQString& passphrase )
 {
   TQCString cmd;
   int exitStatus = 0;
@@ -73,11 +73,11 @@ Base5::encsign( Block& block, const KeyIDList& recipients,
   // we want a clear signature
   bool signonly = false;
 
-  if(!recipients.isEmpty() && passphrase != 0)
+  if (!recipients.isEmpty() && !passphrase.isNull())
     cmd = "pgpe +batchmode -afts ";
   else if(!recipients.isEmpty())
     cmd = "pgpe +batchmode -aft ";
-  else if(passphrase != 0)
+  else if (!passphrase.isNull())
   {
     cmd = "pgps +batchmode -abft ";
     signonly = true;
@@ -88,7 +88,7 @@ Base5::encsign( Block& block, const KeyIDList& recipients,
     return OK;
   }
 
-  if(passphrase != 0)
+  if (!passphrase.isNull())
     cmd += addUserId();
 
   if(!recipients.isEmpty())
@@ -191,7 +191,7 @@ Base5::encsign( Block& block, const KeyIDList& recipients,
 
 
 int
-Base5::decrypt( Block& block, const char *passphrase )
+Base5::decrypt( Block& block, const TQString& passphrase )
 {
   int exitStatus = 0;
 
@@ -222,7 +222,7 @@ Base5::decrypt( Block& block, const char *passphrase )
     // or do we not have the secret key?
     if(error.find("Need a pass phrase") != -1)
     {
-      if(passphrase != 0)
+      if (!passphrase.isNull())
       {
 	errMsg = i18n("Bad passphrase; could not decrypt.");
 	kdDebug(5100) << "Base: passphrase is bad" << endl;
@@ -433,12 +433,12 @@ TQCString Base5::getAsciiPublicKey(const KeyID& keyID)
 
 
 int
-Base5::signKey(const KeyID& keyID, const char *passphrase)
+Base5::signKey(const KeyID& keyID, const TQString& passphrase)
 {
   TQCString cmd;
   int exitStatus = 0;
 
-  if(passphrase == 0) return false;
+  if (passphrase.isNull()) return false;
 
   cmd = "pgpk -s -f +batchmode=1 0x";
   cmd += keyID;
diff --git a/libkpgp/kpgpbase6.cpp b/libkpgp/kpgpbase6.cpp
index 40bef7ab..4d00441f 100644
--- a/libkpgp/kpgpbase6.cpp
+++ b/libkpgp/kpgpbase6.cpp
@@ -46,7 +46,7 @@ Base6::~Base6()
 
 
 int
-Base6::decrypt( Block& block, const char *passphrase )
+Base6::decrypt( Block& block, const TQString& passphrase )
 {
   int index, index2;
   int exitStatus = 0;
diff --git a/libkpgp/kpgpbaseG.cpp b/libkpgp/kpgpbaseG.cpp
index cd6eaf41..e63c3015 100644
--- a/libkpgp/kpgpbaseG.cpp
+++ b/libkpgp/kpgpbaseG.cpp
@@ -62,7 +62,7 @@ BaseG::encrypt( Block& block, const KeyIDList& recipients )
 
 
 int
-BaseG::clearsign( Block& block, const char *passphrase )
+BaseG::clearsign( Block& block, const TQString& passphrase )
 {
   return encsign( block, KeyIDList(), passphrase );
 }
@@ -70,16 +70,16 @@ BaseG::clearsign( Block& block, const char *passphrase )
 
 int
 BaseG::encsign( Block& block, const KeyIDList& recipients,
-                const char *passphrase )
+                const TQString& passphrase )
 {
   TQCString cmd;
   int exitStatus = 0;
 
-  if(!recipients.isEmpty() && passphrase != 0)
+  if (!recipients.isEmpty() && !passphrase.isNull())
     cmd = "--batch --armor --sign --encrypt --textmode";
   else if(!recipients.isEmpty())
     cmd = "--batch --armor --encrypt --textmode";
-  else if(passphrase != 0)
+  else if (!passphrase.isNull())
     cmd = "--batch --escape-from --clearsign";
   else
   {
@@ -87,7 +87,7 @@ BaseG::encsign( Block& block, const KeyIDList& recipients,
     return OK;
   }
 
-  if(passphrase != 0)
+  if (!passphrase.isNull())
     cmd += addUserId();
 
   if(!recipients.isEmpty())
@@ -164,7 +164,7 @@ BaseG::encsign( Block& block, const KeyIDList& recipients,
     }
   }
 #endif
-  if( passphrase != 0 )
+  if (!passphrase.isNull())
   {
     // Example 1 (bad passphrase, clearsign only):
     // gpg: skipped `0x12345678': bad passphrase
@@ -205,7 +205,7 @@ BaseG::encsign( Block& block, const KeyIDList& recipients,
 
 
 int
-BaseG::decrypt( Block& block, const char *passphrase )
+BaseG::decrypt( Block& block, const TQString& passphrase )
 {
   int index, index2;
   int exitStatus = 0;
@@ -252,7 +252,7 @@ BaseG::decrypt( Block& block, const char *passphrase )
     {
       if( ( index = error.find( "bad passphrase" ) ) != -1 )
       {
-        if( passphrase != 0 )
+        if (!passphrase.isNull())
         {
           errMsg = i18n( "Bad passphrase; could not decrypt." );
           kdDebug(5100) << "Base: passphrase is bad" << endl;
@@ -483,7 +483,7 @@ BaseG::secretKeys( const TQStringList & patterns )
 
 
 int
-BaseG::signKey(const KeyID& keyID, const char *passphrase)
+BaseG::signKey(const KeyID& keyID, const TQString& passphrase)
 {
   TQCString cmd;
   int exitStatus = 0;
diff --git a/libkpgp/kpgpui.cpp b/libkpgp/kpgpui.cpp
index f4b40a70..3c099d6b 100644
--- a/libkpgp/kpgpui.cpp
+++ b/libkpgp/kpgpui.cpp
@@ -95,7 +95,7 @@ PassphraseDialog::~PassphraseDialog()
 {
 }
 
-const char * PassphraseDialog::passphrase()
+const TQString PassphraseDialog::passphrase()
 {
   return lineedit->password();
 }
diff --git a/libkpgp/kpgpui.h b/libkpgp/kpgpui.h
index 57c13fba..bf2b4213 100644
--- a/libkpgp/kpgpui.h
+++ b/libkpgp/kpgpui.h
@@ -62,7 +62,7 @@ class KDE_EXPORT PassphraseDialog : public KDialogBase
                       bool modal=true, const TQString &keyID=TQString());
     virtual ~PassphraseDialog();
 
-    const char * passphrase();
+    const TQString passphrase();
 
   private:
     KPasswordEdit *lineedit;
diff --git a/tderesources/caldav/resource.cpp b/tderesources/caldav/resource.cpp
index dff7ed96..8fae5c98 100644
--- a/tderesources/caldav/resource.cpp
+++ b/tderesources/caldav/resource.cpp
@@ -376,14 +376,14 @@ void ResourceCalDav::loadFinished() {
     if (loader->error()) {
         if (loader->errorNumber() == -401) {
             if (NULL != mPrefs) {
-                TQCString newpass;
+                TQString newpass;
                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
                     log("load error: " + loader->errorString() );
                     loadError(TQString("[%1] ").arg(abs(loader->errorNumber())) + loader->errorString());
                 }
                 else {
                     // Set new password and try again
-                    mPrefs->setPassword(TQString(newpass));
+                    mPrefs->setPassword(newpass);
                     startLoading(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
                 }
             }
@@ -424,14 +424,14 @@ void ResourceCalDav::loadFinished() {
     if (loader->tasksError()) {
         if (loader->tasksErrorNumber() == -401) {
             if (NULL != mPrefs) {
-//                 TQCString newpass;
+//                 TQString newpass;
 //                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
 //                     log("load error: " + loader->tasksErrorString() );
 //                     loadError(TQString("[%1] ").arg(abs(loader->tasksErrorNumber())) + loader->tasksErrorString());
 //                 }
 //                 else {
 //                     // Set new password and try again
-//                     mPrefs->setPassword(TQString(newpass));
+//                     mPrefs->setPassword(newpass);
 //                     startLoading(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
 //                 }
             }
@@ -472,14 +472,14 @@ void ResourceCalDav::loadFinished() {
     if (loader->journalsError()) {
         if (loader->journalsErrorNumber() == -401) {
             if (NULL != mPrefs) {
-//                 TQCString newpass;
+//                 TQString newpass;
 //                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
 //                     log("load error: " + loader->journalsErrorString() );
 //                     loadError(TQString("[%1] ").arg(abs(loader->journalsErrorNumber())) + loader->journalsErrorString());
 //                 }
 //                 else {
 //                     // Set new password and try again
-//                     mPrefs->setPassword(TQString(newpass));
+//                     mPrefs->setPassword(newpass);
 //                     startLoading(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
 //                 }
             }
@@ -969,14 +969,14 @@ void ResourceCalDav::writingFinished() {
     if (mWriter->error() && (abs(mWriter->errorNumber()) != 207)) {
         if (mWriter->errorNumber() == -401) {
             if (NULL != mPrefs) {
-                TQCString newpass;
+                TQString newpass;
                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
                     log("write error: " + mWriter->errorString());
                     saveError(TQString("[%1] ").arg(abs(mWriter->errorNumber())) + mWriter->errorString());
                 }
                 else {
                     // Set new password and try again
-                    mPrefs->setPassword(TQString(newpass));
+                    mPrefs->setPassword(newpass);
                     startWriting(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
                 }
             }
diff --git a/tderesources/carddav/resource.cpp b/tderesources/carddav/resource.cpp
index 3da63e4b..69eb98e4 100644
--- a/tderesources/carddav/resource.cpp
+++ b/tderesources/carddav/resource.cpp
@@ -372,14 +372,14 @@ void ResourceCardDav::loadFinished() {
     if (loader->error()) {
         if (loader->errorNumber() == -401) {
             if (NULL != mPrefs) {
-                TQCString newpass;
+                TQString newpass;
                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
                     log("load error: " + loader->errorString() );
                     if (addressBook() != NULL) addressBook()->error(TQString("[%1] ").arg(abs(loader->errorNumber())) + loader->errorString());
                 }
                 else {
                     // Set new password and try again
-                    mPrefs->setPassword(TQString(newpass));
+                    mPrefs->setPassword(newpass);
                     startLoading(mPrefs->getFullUrl());
                 }
             }
@@ -641,14 +641,14 @@ void ResourceCardDav::writingFinished() {
     if (mWriter->error() && (abs(mWriter->errorNumber()) != 207)) {
         if (mWriter->errorNumber() == -401) {
             if (NULL != mPrefs) {
-                TQCString newpass;
+                TQString newpass;
                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
                     log("write error: " + mWriter->errorString());
                     if (addressBook() != NULL) addressBook()->error(TQString("[%1] ").arg(abs(mWriter->errorNumber())) + mWriter->errorString());
                 }
                 else {
                     // Set new password and try again
-                    mPrefs->setPassword(TQString(newpass));
+                    mPrefs->setPassword(newpass);
                     startWriting(mPrefs->getFullUrl());
                 }
             }