From af14de88cb784b07f45cf8c5ea32e9c4abcd5cfc Mon Sep 17 00:00:00 2001
From: Slava Bacherikov <slava@bacher09.org>
Date: Sun, 22 Jan 2012 05:51:48 +0200
Subject: [PATCH] Merged file dell.js with decrypt_bios.js.

---
 decrypt_bios.js | 306 +++++++++++++++++++++++++++++++++++++++++++++
 dell.js         | 323 ------------------------------------------------
 2 files changed, 306 insertions(+), 323 deletions(-)
 delete mode 100644 dell.js

diff --git a/decrypt_bios.js b/decrypt_bios.js
index e74613b..545a58b 100644
--- a/decrypt_bios.js
+++ b/decrypt_bios.js
@@ -20,6 +20,56 @@ var FSI_20_DEC_OLD = 'fsi_20_dec_old';
 var FSI_HEX = 'fsi_hex';
 
 
+var encscans = [0x05,0x10,0x13,0x09,0x32,0x03,0x25,0x11,0x1F,0x17,0x06,
+                0x15,0x30,0x19,0x26,0x22,0x0A,0x02,0x2C,0x2F,0x16,0x14,0x07,
+                0x18,0x24,0x23,0x31,0x20,0x1E,0x08,0x2D,0x21,0x04,0x0B,0x12,
+                0x2E];
+
+
+
+var  scancods = "\00\0331234567890-=\010\011qwertyuiop[]\015\377asdfghjkl;'`\377\\zxcvbnm,./";
+
+var encData = [ 0x67452301 | 0, // For bit alignment
+                0xEFCDAB89 | 0,
+                0x98BADCFE | 0,
+                0x10325476 | 0];
+
+var MD5magic_o = [
+    0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
+    0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
+    0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
+    0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
+    0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
+    0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
+    0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
+    0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
+    0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
+    0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
+    0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05,
+    0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
+    0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
+    0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
+    0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
+    0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
+            ];
+
+function CorectBits(arr){
+    if(typeof(arr) == 'object'){
+        for(var i = 0;i<arr.length;i++){
+            arr[i] = arr[i] | 0;
+        }
+        return arr;
+    } else {
+        return arr | 0;
+    }
+}
+
+var MD5magic = CorectBits(MD5magic_o);
+/* Convert signed int to unsined like in C */
+function SignedToUnsigned(num){
+    return num >>> 0;
+}
+
 /* Keys function for hashArray for compability 
  * with browsers witch does't have keys function */
 if(typeof(Object.keys) == 'undefined'){
@@ -109,6 +159,64 @@ function copy_array(ar){
     return temp_arr;
 }
 
+function StrintToArray(str){
+    var arr = [];
+    if(typeof(str)=="object"){
+        return str;
+    }
+    for(var i=0;i<str.length;i++){
+        arr[i] = str.charCodeAt(i);
+    }
+    return arr;
+}
+
+function toByte(arr){
+    for(var i=0;i<arr.length;i++){
+        arr[i] = arr[i] & 0xFF;
+    }
+    return arr;
+}
+
+
+function ByteArrToIntArr(b_arr){
+    var k = b_arr.length >> 2;
+    var ret_arr = [];
+    for(var i=0;i<=k;i++){
+        ret_arr[i] = b_arr[i*4] | (b_arr[i*4+1] << 8) |
+                     (b_arr[i*4+2] << 16) |
+                     (b_arr[i*4+3] << 24);
+    }
+    return ret_arr;
+}
+
+function StringToIntArr(str){
+    return (typeof(str)=="object") ? ByteArrToIntArr(str) :
+                        ByteArrToIntArr(StrintToArray(str));
+}
+
+function IntToByteArr(num){
+    var ret_arr = [];
+    ret_arr[0] = (num & 0xFF );
+    ret_arr[1] = ((num >> 8) & 0xFF );
+    ret_arr[2] = ((num >> 16) & 0xFF );
+    ret_arr[3] = ((num >> 24) & 0xFF );
+    return ret_arr
+}
+
+function IntArrToByteArr(int_arr){
+    var ret_arr = [];
+    for(var i=0;i<int_arr.length;i++){
+        ret_arr = ret_arr.concat(IntToByteArr(int_arr[i]));
+    }
+    return ret_arr;
+}
+
+function fill_zero(arr, from, to){
+    for(var i=from;i<to;i++){
+        arr[i] = 0;
+    }
+    return arr;
+}
 
 /* Without zero */
 var keyboardDictDigits = CreateHashTable(keys(keyboardDict).slice(0,9),
@@ -202,6 +310,204 @@ function bruteForce(hash, salt, digitsOnly, charsOnly, minLen, maxLen){
 
 
 
+        
+function calc_in(l_arr){
+    return [ (l_arr[1] >> 1),
+             ((l_arr[1] >> 6) | (l_arr[0] << 2)), 
+             (l_arr[0] >> 3) ];
+}
+
+function begin_calc(serial, s_arr){
+    var ret_arr = [];
+    if(typeof(serial)=="string"){
+        serial = StrintToArray(serial);
+    }
+    
+    ret_arr[0] = serial[ s_arr[3] ];
+    ret_arr[1] = ( serial[ s_arr[3] ] >> 5) |
+                 (( (serial[ s_arr[2] ] >> 5) | (serial[ s_arr[2] ] << 3))
+                & 0xF1);
+    ret_arr[2] = (serial[ s_arr[2] ] >> 2);
+    ret_arr[3] = (serial[ s_arr[2] ] >> 7) | (serial[ s_arr[1] ] << 1);
+    ret_arr[4] = (serial[ s_arr[1] ] >> 4) | (serial[ s_arr[0] ] << 4);
+
+   ret_arr = ret_arr.concat(calc_in(serial)); 
+
+    return toByte(ret_arr);
+}
+
+function end_calc(serial, calced_arr, s_arr){
+    var r = 0;
+    var ret_arr = [];
+    for (var i=0;i<8;i++) {
+        r = 0xAA;
+        (calced_arr[i] & 1) && (r ^= serial[ s_arr[0] ]);
+        (calced_arr[i] & 2) && (r ^= serial[ s_arr[1] ]);
+        (calced_arr[i] & 4) && ( r ^= serial[ s_arr[2] ]);
+        (calced_arr[i] & 8) && (r ^= serial[1]);
+        (calced_arr[i] & 16) && (r ^= serial[0]);
+        
+        ret_arr[i] = encscans[r % encscans.length];
+    }
+    return ret_arr;
+}
+
+function calc_suffix_shortcut(serial, s_arr1, s_arr2){
+    var serial_arr = StrintToArray(serial);
+    var ret_arr = begin_calc(serial_arr,s_arr1);
+    return end_calc(serial_arr, ret_arr, s_arr2); 
+}
+
+function calc_suffix_tag(serial){
+    return calc_suffix_shortcut(serial, [1,2,3,4],[4,3,2]);
+}
+
+function calc_suffix_hdd_new(serial){
+    return calc_suffix_shortcut(serial, [1,10,9,8], [8,9,10]);
+}
+
+/* Depends only in first two chars */
+function calc_suffix_hdd_old(serial){
+    // encscans[26], enscans[0xAA % enscans.length]
+    var ret_arr = [49,49,49,49,49]; 
+    var serial_arr = StrintToArray(serial);
+    ret_arr = ret_arr.concat(calc_in(serial_arr));
+    // lower bits then 5 are never change
+    for(var i=5;i<8;i++){
+        var r = 0xAA;
+        (ret_arr[i] & 8) && (r ^= serial[1]);
+        (ret_arr[i] & 16) && (r ^= serial[0]);
+        ret_arr[i] = encscans[ r % encscans.length];
+    }
+    return ret_arr;
+}
+
+
+function blockEncode(encBlock,f1, f2, f3, f4 ,f5){
+    var A = encData[0] | 0; // For bit alignment
+    var B = encData[1] | 0;
+    var C = encData[2] | 0;
+    var D = encData[3] | 0;
+    
+    function rol(t, bitsrot, num){
+        var k = bitsrot[num >> 4][i & 3];
+        return  (SignedToUnsigned(t)/ Math.pow(2,32 - k)) | 
+                ((SignedToUnsigned(t) << k) | 0 );
+    }
+
+    function f_shortcut(func, key, num){
+        return (A + f1(func, B, C , D, MD5magic[num] + encBlock[ key ])) | 0;
+    }
+    
+    var S = [ [ 7, 12, 17, 22 ],
+              [ 5, 9,  14, 20 ],
+              [ 4, 11, 16, 23 ],
+              [ 6, 10, 15, 21 ]
+            ];
+    var t;
+    for(i=0;i<64;i++){
+        switch(i >> 4){
+            case 0: 
+                    t = f_shortcut(f2, i & 15, i); // Use half byte
+                    break;
+            case 1:
+                    t = f_shortcut(f3, (i*5 + 1) & 15, i);
+                    break;
+            case 2:
+                    t = f_shortcut(f4, (i*3 + 5) & 15, i);
+                    break;
+            case 3:
+                    t = f_shortcut(f5, (i*7) & 15, i);
+                    break;
+        }
+        A = D, D = C, C = B, B = (rol(t,S,i) + B) | 0; 
+    }
+
+    return CorectBits([ A + encData[0],
+                        B + encData[1],
+                        C + encData[2],
+                        D + encData[3]]);
+
+}
+
+function choseEncode(encBlock, serial){
+
+    function encF2(num1, num2, num3) {
+        return ((( num3 ^ num2) & num1) ^ num3);
+    }
+    
+    function encF3 (num1, num2, num3) {
+        return ((( num1 ^ num2) & num3) ^ num2);
+    }
+    
+    function encF4(num1, num2, num3) {return (( num2 ^ num1) ^ num3); }
+    
+    function encF5(num1, num2, num3) {return (( num1 | ~num3) ^ num2); }
+
+    function encF1(func, num1,num2, num3, key){
+        return (func(num1,num2,num3) + key) | 0; // For bit alignment
+    } 
+    
+    // Negative functions
+    function encF1N(func, num1, num2, num3, key) { 
+        return encF1(func,num1,num2, num3, -key);
+    }
+    function encF2N(num1, num2, num3){ return encF2(num1, num2, ~num3); }
+    function encF4N(num1, num2, num3){ return encF4(num1, ~num2, num3); }
+    function encF5N(num1, num2, num3){ return encF5(~num1, num2, num3); }
+    
+    /* Main part */
+    var type = serial.substr(serial.length - 4, serial.length);
+    if(type == 'D35B'){
+        return blockEncode(encBlock, encF1, encF2, encF3, encF4, encF5);
+    } else {
+        return blockEncode(encBlock, encF1N, encF2N, encF3, encF4N, encF5N);
+    }
+}
+
+function answerToString(b_arr){
+    var r = b_arr[0] % 9;
+    var ret_str = "";
+    for(var i = 0;i<16;i++){
+        if( ( r <= i) && (ret_str.length < 8) ){
+            ret_str += scancods.charAt(encscans[b_arr[i] % encscans.length]);
+        }
+    }
+    return ret_str;       
+}
+
+function dell_encode(in_str, cnt, serial){
+    in_str[cnt] = 0x80;
+    var encBlock = StringToIntArr(in_str);
+    encBlock = fill_zero(encBlock,6,16);
+    encBlock[14] = (cnt << 3); 
+    
+    return IntArrToByteArr(choseEncode(encBlock, serial));
+
+}
+
+function dell_service_tag(serial){
+    var serial_arr = StrintToArray(serial);
+    serial_arr = serial_arr.concat(calc_suffix_tag(serial_arr));
+    return answerToString(dell_encode(serial_arr,23, serial));
+}
+
+function dell_service_hdd_new(serial){
+    var serial_arr = StrintToArray(serial);
+    serial_arr = serial_arr.concat(calc_suffix_hdd_new(serial_arr));
+    return answerToString(dell_encode(serial_arr,23, serial));
+}
+
+/* Depends only in first two chars */
+function dell_service_hdd_old(serial){
+    var t_arr = calc_suffix_hdd_old(serial);
+    var ret_str = "";
+    for(var i=0;i<t_arr.length;i++){
+        ret_str += scancods.charAt( t_arr[i]);
+    }
+    return ret_str;
+}
+
 /* Return password for old sony laptops
  * password 7 digit number like 1234567 */
 function getBiosPwdForSony(serial){
diff --git a/dell.js b/dell.js
deleted file mode 100644
index 584f32a..0000000
--- a/dell.js
+++ /dev/null
@@ -1,323 +0,0 @@
-
-
-var encscans = [0x05,0x10,0x13,0x09,0x32,0x03,0x25,0x11,0x1F,0x17,0x06,
-                0x15,0x30,0x19,0x26,0x22,0x0A,0x02,0x2C,0x2F,0x16,0x14,0x07,
-                0x18,0x24,0x23,0x31,0x20,0x1E,0x08,0x2D,0x21,0x04,0x0B,0x12,
-                0x2E];
-
-var  scancods = "\00\0331234567890-=\010\011qwertyuiop[]\015\377asdfghjkl;'`\377\\zxcvbnm,./";
-
-var encData = [ 0x67452301 | 0, // For bit alignment
-                0xEFCDAB89 | 0,
-                0x98BADCFE | 0,
-                0x10325476 | 0];
-
-var MD5magic_o = [
-    0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
-    0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
-    0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
-    0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
-    0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
-    0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
-    0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
-    0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
-    0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
-    0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
-    0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05,
-    0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
-    0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
-    0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
-    0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
-    0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
-            ];
-
-function CorectBits(arr){
-    if(typeof(arr) == 'object'){
-        for(var i = 0;i<arr.length;i++){
-            arr[i] = arr[i] | 0;
-        }
-        return arr;
-    } else {
-        return arr | 0;
-    }
-}
-
-var MD5magic = CorectBits(MD5magic_o);
-
-function ord(str){
-    return str.charCodeAt(0);
-}
-
-function chr(ascii_code){
-    return String.fromCharCode(ascii_code);
-}
-
-function SignedToUnsigned(num){
-    return num >>> 0;
-}
-
-function copy_array(ar){
-    var temp_arr = [];
-    for(var i=0;i<ar.length;i++){
-        temp_arr[i] = ar[i];
-    }
-    return temp_arr;
-}
-
-function StrintToArray(str){
-    var arr = [];
-    if(typeof(str)=="object"){
-        return str;
-    }
-    for(var i=0;i<str.length;i++){
-        arr[i] = str.charCodeAt(i);
-    }
-    return arr;
-}
-
-function toByte(arr){
-    for(var i=0;i<arr.length;i++){
-        arr[i] = arr[i] & 0xFF;
-    }
-    return arr;
-}
-
-
-function ByteArrToIntArr(b_arr){
-    var k = b_arr.length >> 2;
-    var ret_arr = [];
-    for(var i=0;i<=k;i++){
-        ret_arr[i] = b_arr[i*4] | (b_arr[i*4+1] << 8) |
-                     (b_arr[i*4+2] << 16) |
-                     (b_arr[i*4+3] << 24);
-    }
-    return ret_arr;
-}
-
-function StringToIntArr(str){
-    return (typeof(str)=="object") ? ByteArrToIntArr(str) :
-                        ByteArrToIntArr(StrintToArray(str));
-}
-
-function IntToByteArr(num){
-    var ret_arr = [];
-    ret_arr[0] = (num & 0xFF );
-    ret_arr[1] = ((num >> 8) & 0xFF );
-    ret_arr[2] = ((num >> 16) & 0xFF );
-    ret_arr[3] = ((num >> 24) & 0xFF );
-    return ret_arr
-}
-
-function IntArrToByteArr(int_arr){
-    var ret_arr = [];
-    for(var i=0;i<int_arr.length;i++){
-        ret_arr = ret_arr.concat(IntToByteArr(int_arr[i]));
-    }
-    return ret_arr;
-}
-
-function fill_zero(arr, from, to){
-    for(var i=from;i<to;i++){
-        arr[i] = 0;
-    }
-    return arr;
-}
-
-
-        
-function calc_in(l_arr){
-    return [ (l_arr[1] >> 1),
-             ((l_arr[1] >> 6) | (l_arr[0] << 2)), 
-             (l_arr[0] >> 3) ];
-}
-
-function begin_calc(serial, s_arr){
-    var ret_arr = [];
-    if(typeof(serial)=="string"){
-        serial = StrintToArray(serial);
-    }
-    
-    ret_arr[0] = serial[ s_arr[3] ];
-    ret_arr[1] = ( serial[ s_arr[3] ] >> 5) |
-                 (( (serial[ s_arr[2] ] >> 5) | (serial[ s_arr[2] ] << 3))
-                & 0xF1);
-    ret_arr[2] = (serial[ s_arr[2] ] >> 2);
-    ret_arr[3] = (serial[ s_arr[2] ] >> 7) | (serial[ s_arr[1] ] << 1);
-    ret_arr[4] = (serial[ s_arr[1] ] >> 4) | (serial[ s_arr[0] ] << 4);
-
-   ret_arr = ret_arr.concat(calc_in(serial)); 
-
-    return toByte(ret_arr);
-}
-
-function end_calc(serial, calced_arr, s_arr){
-    var r = 0;
-    var ret_arr = [];
-    for (var i=0;i<8;i++) {
-        r = 0xAA;
-        (calced_arr[i] & 1) && (r ^= serial[ s_arr[0] ]);
-        (calced_arr[i] & 2) && (r ^= serial[ s_arr[1] ]);
-        (calced_arr[i] & 4) && ( r ^= serial[ s_arr[2] ]);
-        (calced_arr[i] & 8) && (r ^= serial[1]);
-        (calced_arr[i] & 16) && (r ^= serial[0]);
-        
-        ret_arr[i] = encscans[r % encscans.length];
-    }
-    return ret_arr;
-}
-
-function calc_suffix_shortcut(serial, s_arr1, s_arr2){
-    var serial_arr = StrintToArray(serial);
-    var ret_arr = begin_calc(serial_arr,s_arr1);
-    return end_calc(serial_arr, ret_arr, s_arr2); 
-}
-
-function calc_suffix_tag(serial){
-    return calc_suffix_shortcut(serial, [1,2,3,4],[4,3,2]);
-}
-
-function calc_suffix_hdd_new(serial){
-    return calc_suffix_shortcut(serial, [1,10,9,8], [8,9,10]);
-}
-
-/* Depends only in first two chars */
-function calc_suffix_hdd_old(serial){
-    // encscans[26], enscans[0xAA % enscans.length]
-    var ret_arr = [49,49,49,49,49]; 
-    var serial_arr = StrintToArray(serial);
-    ret_arr = ret_arr.concat(calc_in(serial_arr));
-    // lower bits then 5 are never change
-    for(var i=5;i<8;i++){
-        var r = 0xAA;
-        (ret_arr[i] & 8) && (r ^= serial[1]);
-        (ret_arr[i] & 16) && (r ^= serial[0]);
-        ret_arr[i] = encscans[ r % encscans.length];
-    }
-    return ret_arr;
-}
-
-
-function blockEncode(encBlock,f1, f2, f3, f4 ,f5){
-    var A = encData[0] | 0; // For bit alignment
-    var B = encData[1] | 0;
-    var C = encData[2] | 0;
-    var D = encData[3] | 0;
-    
-    function rol(t, bitsrot, num){
-        var k = bitsrot[num >> 4][i & 3];
-        return  (SignedToUnsigned(t)/ Math.pow(2,32 - k)) | 
-                ((SignedToUnsigned(t) << k) | 0 );
-    }
-
-    function f_shortcut(func, key, num){
-        return (A + f1(func, B, C , D, MD5magic[num] + encBlock[ key ])) | 0;
-    }
-    
-    var S = [ [ 7, 12, 17, 22 ],
-              [ 5, 9,  14, 20 ],
-              [ 4, 11, 16, 23 ],
-              [ 6, 10, 15, 21 ]
-            ];
-    var t;
-    for(i=0;i<64;i++){
-        switch(i >> 4){
-            case 0: 
-                    t = f_shortcut(f2, i & 15, i); // Use half byte
-                    break;
-            case 1:
-                    t = f_shortcut(f3, (i*5 + 1) & 15, i);
-                    break;
-            case 2:
-                    t = f_shortcut(f4, (i*3 + 5) & 15, i);
-                    break;
-            case 3:
-                    t = f_shortcut(f5, (i*7) & 15, i);
-                    break;
-        }
-        A = D, D = C, C = B, B = (rol(t,S,i) + B) | 0; 
-    }
-
-    return CorectBits([ A + encData[0],
-                        B + encData[1],
-                        C + encData[2],
-                        D + encData[3]]);
-
-}
-
-function choseEncode(encBlock, serial){
-
-    function encF2(num1, num2, num3) {
-        return ((( num3 ^ num2) & num1) ^ num3);
-    }
-    
-    function encF3 (num1, num2, num3) {
-        return ((( num1 ^ num2) & num3) ^ num2);
-    }
-    
-    function encF4(num1, num2, num3) {return (( num2 ^ num1) ^ num3); }
-    
-    function encF5(num1, num2, num3) {return (( num1 | ~num3) ^ num2); }
-
-    function encF1(func, num1,num2, num3, key){
-        return (func(num1,num2,num3) + key) | 0; // For bit alignment
-    } 
-    
-    // Negative functions
-    function encF1N(func, num1, num2, num3, key) { 
-        return encF1(func,num1,num2, num3, -key);
-    }
-    function encF2N(num1, num2, num3){ return encF2(num1, num2, ~num3); }
-    function encF4N(num1, num2, num3){ return encF4(num1, ~num2, num3); }
-    function encF5N(num1, num2, num3){ return encF5(~num1, num2, num3); }
-    
-    /* Main part */
-    var type = serial.substr(serial.length - 4, serial.length);
-    if(type == 'D35B'){
-        return blockEncode(encBlock, encF1, encF2, encF3, encF4, encF5);
-    } else {
-        return blockEncode(encBlock, encF1N, encF2N, encF3, encF4N, encF5N);
-    }
-}
-
-function answerToString(b_arr){
-    var r = b_arr[0] % 9;
-    var ret_str = "";
-    for(var i = 0;i<16;i++){
-        if( ( r <= i) && (ret_str.length < 8) ){
-            ret_str += scancods.charAt(encscans[b_arr[i] % encscans.length]);
-        }
-    }
-    return ret_str;       
-}
-
-function encode(in_str, cnt, serial){
-    in_str[cnt] = 0x80;
-    var encBlock = StringToIntArr(in_str);
-    encBlock = fill_zero(encBlock,6,16);
-    encBlock[14] = (cnt << 3); 
-    
-    return IntArrToByteArr(choseEncode(encBlock, serial));
-
-}
-
-function dell_service_tag(serial){
-    var serial_arr = StrintToArray(serial);
-    serial_arr = serial_arr.concat(calc_suffix_tag(serial_arr));
-    return answerToString(encode(serial_arr,23, serial));
-}
-
-function dell_service_hdd_new(serial){
-    var serial_arr = StrintToArray(serial);
-    serial_arr = serial_arr.concat(calc_suffix_hdd_new(serial_arr));
-    return answerToString(encode(serial_arr,23, serial));
-}
-
-/* Depends only in first two chars */
-function dell_service_hdd_old(serial){
-    var t_arr = calc_suffix_hdd_old(serial);
-    var ret_str = "";
-    for(var i=0;i<t_arr.length;i++){
-        ret_str += scancods.charAt( t_arr[i]);
-    }
-    return ret_str;
-}