1 files changed, 0 insertions, 132 deletions
diff --git a/webclient/lib/rsa2.js b/webclient/lib/rsa2.js
deleted file mode 100644
index 1dfdb70..0000000
--- a/webclient/lib/rsa2.js
+++ /dev/null
@@ -1,132 +0,0 @@
-// Depends on rsa.js and jsbn2.js
-
-// Version 1.1: support utf-8 decoding in pkcs1unpad2
-
-// Undo PKCS#1 (type 2, random) padding and, if valid, return the plaintext
-function pkcs1unpad2(d,n) {
-  var b = d.toByteArray();
-  var i = 0;
-  while(i < b.length && b[i] == 0) ++i;
-  if(b.length-i != n-1 || b[i] != 2)
-    return null;
-  ++i;
-  while(b[i] != 0)
-    if(++i >= b.length) return null;
-  var ret = "";
-  while(++i < b.length) {
-    var c = b[i] & 255;
-    if(c < 128) { // utf-8 decode
-      ret += String.fromCharCode(c);
-    }
-    else if((c > 191) && (c < 224)) {
-      ret += String.fromCharCode(((c & 31) << 6) | (b[i+1] & 63));
-      ++i;
-    }
-    else {
-      ret += String.fromCharCode(((c & 15) << 12) | ((b[i+1] & 63) << 6) | (b[i+2] & 63));
-      i += 2;
-    }
-  }
-  return ret;
-}
-
-// Set the private key fields N, e, and d from hex strings
-function RSASetPrivate(N,E,D) {
-  if(N != null && E != null && N.length > 0 && E.length > 0) {
-    this.n = parseBigInt(N,16);
-    this.e = parseInt(E,16);
-    this.d = parseBigInt(D,16);
-  }
-  else
-    alert("Invalid RSA private key");
-}
-
-// Set the private key fields N, e, d and CRT params from hex strings
-function RSASetPrivateEx(N,E,D,P,Q,DP,DQ,C) {
-  if(N != null && E != null && N.length > 0 && E.length > 0) {
-    this.n = parseBigInt(N,16);
-    this.e = parseInt(E,16);
-    this.d = parseBigInt(D,16);
-    this.p = parseBigInt(P,16);
-    this.q = parseBigInt(Q,16);
-    this.dmp1 = parseBigInt(DP,16);
-    this.dmq1 = parseBigInt(DQ,16);
-    this.coeff = parseBigInt(C,16);
-  }
-  else
-    alert("Invalid RSA private key");
-}
-
-// Generate a new random private key B bits long, using public expt E
-function RSAGenerate(B,E) {
-  var rng = new SecureRandom();
-  var qs = B>>1;
-  this.e = parseInt(E,16);
-  var ee = new BigInteger(E,16);
-  for(;;) {
-    for(;;) {
-      this.p = new BigInteger(B-qs,1,rng);
-      if(this.p.subtract(BigInteger.ONE).gcd(ee).compareTo(BigInteger.ONE) == 0 && this.p.isProbablePrime(10)) break;
-    }
-    for(;;) {
-      this.q = new BigInteger(qs,1,rng);
-      if(this.q.subtract(BigInteger.ONE).gcd(ee).compareTo(BigInteger.ONE) == 0 && this.q.isProbablePrime(10)) break;
-    }
-    if(this.p.compareTo(this.q) <= 0) {
-      var t = this.p;
-      this.p = this.q;
-      this.q = t;
-    }
-    var p1 = this.p.subtract(BigInteger.ONE);
-    var q1 = this.q.subtract(BigInteger.ONE);
-    var phi = p1.multiply(q1);
-    if(phi.gcd(ee).compareTo(BigInteger.ONE) == 0) {
-      this.n = this.p.multiply(this.q);
-      this.d = ee.modInverse(phi);
-      this.dmp1 = this.d.mod(p1);
-      this.dmq1 = this.d.mod(q1);
-      this.coeff = this.q.modInverse(this.p);
-      break;
-    }
-  }
-}
-
-// Perform raw private operation on "x": return x^d (mod n)
-function RSADoPrivate(x) {
-  if(this.p == null || this.q == null)
-    return x.modPow(this.d, this.n);
-
-  // TODO: re-calculate any missing CRT params
-  var xp = x.mod(this.p).modPow(this.dmp1, this.p);
-  var xq = x.mod(this.q).modPow(this.dmq1, this.q);
-
-  while(xp.compareTo(xq) < 0)
-    xp = xp.add(this.p);
-  return xp.subtract(xq).multiply(this.coeff).mod(this.p).multiply(this.q).add(xq);
-}
-
-// Return the PKCS#1 RSA decryption of "ctext".
-// "ctext" is an even-length hex string and the output is a plain string.
-function RSADecrypt(ctext) {
-  var c = parseBigInt(ctext, 16);
-  var m = this.doPrivate(c);
-  if(m == null) return null;
-  return pkcs1unpad2(m, (this.n.bitLength()+7)>>3);
-}
-
-// Return the PKCS#1 RSA decryption of "ctext".
-// "ctext" is a Base64-encoded string and the output is a plain string.
-//function RSAB64Decrypt(ctext) {
-//  var h = b64tohex(ctext);
-//  if(h) return this.decrypt(h); else return null;
-//}
-
-// protected
-RSAKey.prototype.doPrivate = RSADoPrivate;
-
-// public
-RSAKey.prototype.setPrivate = RSASetPrivate;
-RSAKey.prototype.setPrivateEx = RSASetPrivateEx;
-RSAKey.prototype.generate = RSAGenerate;
-RSAKey.prototype.decrypt = RSADecrypt;
-//RSAKey.prototype.b64_decrypt = RSAB64Decrypt;