removed mods directory from the ATutor codebase

[atutor.git] / mods / ldap / rsa / base64.js

diff --git a/mods/ldap/rsa/base64.js b/mods/ldap/rsa/base64.js
deleted file mode 100755 (executable)
index f5b168c..0000000
--- a/mods/ldap/rsa/base64.js
+++ /dev/null
@@ -1,71 +0,0 @@
-var b64map="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-var b64pad="=";
-
-function hex2b64(h) {
-  var i;
-  var c;
-  var ret = "";
-  for(i = 0; i+3 <= h.length; i+=3) {
-    c = parseInt(h.substring(i,i+3),16);
-    ret += b64map.charAt(c >> 6) + b64map.charAt(c & 63);
-  }
-  if(i+1 == h.length) {
-    c = parseInt(h.substring(i,i+1),16);
-    ret += b64map.charAt(c << 2);
-  }
-  else if(i+2 == h.length) {
-    c = parseInt(h.substring(i,i+2),16);
-    ret += b64map.charAt(c >> 2) + b64map.charAt((c & 3) << 4);
-  }
-  while((ret.length & 3) > 0) ret += b64pad;
-  return ret;
-}
-
-// convert a base64 string to hex
-function b64tohex(s) {
-  var ret = ""
-  var i;
-  var k = 0; // b64 state, 0-3
-  var slop;
-  for(i = 0; i < s.length; ++i) {
-    if(s.charAt(i) == b64pad) break;
-    v = b64map.indexOf(s.charAt(i));
-    if(v < 0) continue;
-    if(k == 0) {
-      ret += int2char(v >> 2);
-      slop = v & 3;
-      k = 1;
-    }
-    else if(k == 1) {
-      ret += int2char((slop << 2) | (v >> 4));
-      slop = v & 0xf;
-      k = 2;
-    }
-    else if(k == 2) {
-      ret += int2char(slop);
-      ret += int2char(v >> 2);
-      slop = v & 3;
-      k = 3;
-    }
-    else {
-      ret += int2char((slop << 2) | (v >> 4));
-      ret += int2char(v & 0xf);
-      k = 0;
-    }
-  }
-  if(k == 1)
-    ret += int2char(slop << 2);
-  return ret;
-}
-
-// convert a base64 string to a byte/number array
-function b64toBA(s) {
-  //piggyback on b64tohex for now, optimize later
-  var h = b64tohex(s);
-  var i;
-  var a = new Array();
-  for(i = 0; 2*i < h.length; ++i) {
-    a[i] = parseInt(h.substring(2*i,2*i+2),16);
-  }
-  return a;
-}