diff --git a/tools/encrypt/index.html b/tools/encrypt/index.html
new file mode 100644
index 0000000..bbf858f
--- /dev/null
+++ b/tools/encrypt/index.html
@@ -0,0 +1,36 @@
+
Encrypt data
+
+
+
+
\ No newline at end of file
diff --git a/tools/encrypt/jsaes.js b/tools/encrypt/jsaes.js
new file mode 100644
index 0000000..e7c78ce
--- /dev/null
+++ b/tools/encrypt/jsaes.js
@@ -0,0 +1,217 @@
+/*
+ * jsaes version 0.1 - Copyright 2006 B. Poettering
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ */
+
+/*
+ * http://point-at-infinity.org/jsaes/
+ *
+ * This is a javascript implementation of the AES block cipher. Key lengths
+ * of 128, 192 and 256 bits are supported.
+ *
+ * The well-functioning of the encryption/decryption routines has been
+ * verified for different key lengths with the test vectors given in
+ * FIPS-197, Appendix C.
+ *
+ * The following code example enciphers the plaintext block '00 11 22 .. EE FF'
+ * with the 256 bit key '00 01 02 .. 1E 1F'.
+ *
+ * AES_Init();
+ *
+ * var block = new Array(16);
+ * for(var i = 0; i < 16; i++)
+ * block[i] = 0x11 * i;
+ *
+ * var key = new Array(32);
+ * for(var i = 0; i < 32; i++)
+ * key[i] = i;
+ *
+ * AES_ExpandKey(key);
+ * AES_Encrypt(block, key);
+ *
+ * AES_Done();
+ *
+ * Report bugs to: jsaes AT point-at-infinity.org
+ *
+ */
+
+/******************************************************************************/
+
+/*
+ AES_Init: initialize the tables needed at runtime. Call this function
+ before the (first) key expansion.
+*/
+
+function AES_Init() {
+ AES_Sbox_Inv = new Array(256);
+ for(var i = 0; i < 256; i++)
+ AES_Sbox_Inv[AES_Sbox[i]] = i;
+
+ AES_ShiftRowTab_Inv = new Array(16);
+ for(var i = 0; i < 16; i++)
+ AES_ShiftRowTab_Inv[AES_ShiftRowTab[i]] = i;
+
+ AES_xtime = new Array(256);
+ for(var i = 0; i < 128; i++) {
+ AES_xtime[i] = i << 1;
+ AES_xtime[128 + i] = (i << 1) ^ 0x1b;
+ }
+}
+
+/*
+ AES_Done: release memory reserved by AES_Init. Call this function after
+ the last encryption/decryption operation.
+*/
+
+function AES_Done() {
+ delete AES_Sbox_Inv;
+ delete AES_ShiftRowTab_Inv;
+ delete AES_xtime;
+}
+
+/*
+ AES_ExpandKey: expand a cipher key. Depending on the desired encryption
+ strength of 128, 192 or 256 bits 'key' has to be a byte array of length
+ 16, 24 or 32, respectively. The key expansion is done "in place", meaning
+ that the array 'key' is modified.
+*/
+
+function AES_ExpandKey(key) {
+ var kl = key.length, ks, Rcon = 1;
+ switch (kl) {
+ case 16: ks = 16 * (10 + 1); break;
+ case 24: ks = 16 * (12 + 1); break;
+ case 32: ks = 16 * (14 + 1); break;
+ default:
+ alert("AES_ExpandKey: Only key lengths of 16, 24 or 32 bytes allowed!");
+ }
+ for(var i = kl; i < ks; i += 4) {
+ var temp = key.slice(i - 4, i);
+ if (i % kl == 0) {
+ temp = new Array(AES_Sbox[temp[1]] ^ Rcon, AES_Sbox[temp[2]],
+ AES_Sbox[temp[3]], AES_Sbox[temp[0]]);
+ if ((Rcon <<= 1) >= 256)
+ Rcon ^= 0x11b;
+ }
+ else if ((kl > 24) && (i % kl == 16))
+ temp = new Array(AES_Sbox[temp[0]], AES_Sbox[temp[1]],
+ AES_Sbox[temp[2]], AES_Sbox[temp[3]]);
+ for(var j = 0; j < 4; j++)
+ key[i + j] = key[i + j - kl] ^ temp[j];
+ }
+}
+
+/*
+ AES_Encrypt: encrypt the 16 byte array 'block' with the previously
+ expanded key 'key'.
+*/
+
+function AES_Encrypt(block, key) {
+ var l = key.length;
+ AES_AddRoundKey(block, key.slice(0, 16));
+ for(var i = 16; i < l - 16; i += 16) {
+ AES_SubBytes(block, AES_Sbox);
+ AES_ShiftRows(block, AES_ShiftRowTab);
+ AES_MixColumns(block);
+ AES_AddRoundKey(block, key.slice(i, i + 16));
+ }
+ AES_SubBytes(block, AES_Sbox);
+ AES_ShiftRows(block, AES_ShiftRowTab);
+ AES_AddRoundKey(block, key.slice(i, l));
+}
+
+/*
+ AES_Decrypt: decrypt the 16 byte array 'block' with the previously
+ expanded key 'key'.
+*/
+
+function AES_Decrypt(block, key) {
+ var l = key.length;
+ AES_AddRoundKey(block, key.slice(l - 16, l));
+ AES_ShiftRows(block, AES_ShiftRowTab_Inv);
+ AES_SubBytes(block, AES_Sbox_Inv);
+ for(var i = l - 32; i >= 16; i -= 16) {
+ AES_AddRoundKey(block, key.slice(i, i + 16));
+ AES_MixColumns_Inv(block);
+ AES_ShiftRows(block, AES_ShiftRowTab_Inv);
+ AES_SubBytes(block, AES_Sbox_Inv);
+ }
+ AES_AddRoundKey(block, key.slice(0, 16));
+}
+
+/******************************************************************************/
+
+/* The following lookup tables and functions are for internal use only! */
+
+AES_Sbox = new Array(99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,
+ 118,202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192,183,253,
+ 147,38,54,63,247,204,52,165,229,241,113,216,49,21,4,199,35,195,24,150,5,154,
+ 7,18,128,226,235,39,178,117,9,131,44,26,27,110,90,160,82,59,214,179,41,227,
+ 47,132,83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207,208,239,170,
+ 251,67,77,51,133,69,249,2,127,80,60,159,168,81,163,64,143,146,157,56,245,
+ 188,182,218,33,16,255,243,210,205,12,19,236,95,151,68,23,196,167,126,61,
+ 100,93,25,115,96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219,224,
+ 50,58,10,73,6,36,92,194,211,172,98,145,149,228,121,231,200,55,109,141,213,
+ 78,169,108,86,244,234,101,122,174,8,186,120,37,46,28,166,180,198,232,221,
+ 116,31,75,189,139,138,112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,
+ 158,225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223,140,161,
+ 137,13,191,230,66,104,65,153,45,15,176,84,187,22);
+
+AES_ShiftRowTab = new Array(0,5,10,15,4,9,14,3,8,13,2,7,12,1,6,11);
+
+function AES_SubBytes(state, sbox) {
+ for(var i = 0; i < 16; i++)
+ state[i] = sbox[state[i]];
+}
+
+function AES_AddRoundKey(state, rkey) {
+ for(var i = 0; i < 16; i++)
+ state[i] ^= rkey[i];
+}
+
+function AES_ShiftRows(state, shifttab) {
+ var h = new Array().concat(state);
+ for(var i = 0; i < 16; i++)
+ state[i] = h[shifttab[i]];
+}
+
+function AES_MixColumns(state) {
+ for(var i = 0; i < 16; i += 4) {
+ var s0 = state[i + 0], s1 = state[i + 1];
+ var s2 = state[i + 2], s3 = state[i + 3];
+ var h = s0 ^ s1 ^ s2 ^ s3;
+ state[i + 0] ^= h ^ AES_xtime[s0 ^ s1];
+ state[i + 1] ^= h ^ AES_xtime[s1 ^ s2];
+ state[i + 2] ^= h ^ AES_xtime[s2 ^ s3];
+ state[i + 3] ^= h ^ AES_xtime[s3 ^ s0];
+ }
+}
+
+function AES_MixColumns_Inv(state) {
+ for(var i = 0; i < 16; i += 4) {
+ var s0 = state[i + 0], s1 = state[i + 1];
+ var s2 = state[i + 2], s3 = state[i + 3];
+ var h = s0 ^ s1 ^ s2 ^ s3;
+ var xh = AES_xtime[h];
+ var h1 = AES_xtime[AES_xtime[xh ^ s0 ^ s2]] ^ h;
+ var h2 = AES_xtime[AES_xtime[xh ^ s1 ^ s3]] ^ h;
+ state[i + 0] ^= h1 ^ AES_xtime[s0 ^ s1];
+ state[i + 1] ^= h2 ^ AES_xtime[s1 ^ s2];
+ state[i + 2] ^= h1 ^ AES_xtime[s2 ^ s3];
+ state[i + 3] ^= h2 ^ AES_xtime[s3 ^ s0];
+ }
+}