update// added some stuff

src/Crypto/passwd.cpp

@@ -0,0 +1,39 @@
+#include "passwd.h"
+
+void PASSWD::show_hex_buff(unsigned char buf[])
+{
+    int i;
+    for (uint8_t i=0; i < crypto_secretstream_xchacha20poly1305_KEYBYTES; i++) 
+        printf("%02X ", buf[i]);
+    printf("\n");
+}
+
+const unsigned char* PASSWD::hash(QString password)
+{
+    /*std::string data = password.toStdString();
+    
+    unsigned char hash[crypto_generichash_BYTES];
+
+    crypto_generichash(hash, sizeof hash,
+                    (const unsigned char*)data.c_str(), data.size(),
+                    NULL, 0);
+
+    //qDebug() << PASSWD::convertToHexString(hash);
+    return (const unsigned char*)hash;*/
+
+    int length = password.length();
+     
+    char *sequence = NULL;
+    sequence = new char[length+1];
+    strncpy(sequence, password.toLocal8Bit(), length +1);
+
+    #define MESSAGE ((const unsigned char *) sequence)
+    #define MESSAGE_LEN length
+
+    qDebug()<<"Generating cryptographic key from password: " <<sequence;
+    unsigned char * hash= new unsigned char[crypto_secretstream_xchacha20poly1305_KEYBYTES];
+    crypto_generichash(hash, sizeof hash, MESSAGE, MESSAGE_LEN, NULL, 0);
+    qDebug()<<"secret key generated:\n";
+    PASSWD::show_hex_buff(hash);
+    return hash;
+}