encryption-for-node
Version:
Portable Crypto libraries for Node and Browsers
736 lines • 31.7 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.BLOWFISH = void 0;
function xor_switch(x, hex2) {
var buf1 = new Uint8Array([x[3], x[2], x[1], x[0], x[7], x[6], x[5], x[4]]);
var buf2 = hex2;
if (isBuffer(x)) {
buf1 = Buffer.from([x[3], x[2], x[1], x[0], x[7], x[6], x[5], x[4]]);
buf2 = Buffer.from(hex2);
}
let number = -1;
const bufResult = buf1.map((b) => {
if (number != buf2.length - 1) {
number = number + 1;
}
else {
number = 0;
}
return b ^ buf2[number];
});
return bufResult;
}
function writeUInt32LE(array, value, index) {
array[index] = value & 0xFF;
array[index + 1] = (value >> 8) & 0xFF;
array[index + 2] = (value >> 16) & 0xFF;
array[index + 3] = (value >> 24) & 0xFF;
}
function readUInt32LE(array, index) {
return (((array[index + 3] & 0xFF) << 24) |
((array[index + 2] & 0xFF) << 16) |
((array[index + 1] & 0xFF) << 8) |
(array[index] & 0xFF)) >>> 0;
}
function isBufferOrUint8Array(obj) {
return obj instanceof Uint8Array || (typeof Buffer !== 'undefined' && obj instanceof Buffer);
}
function isBuffer(obj) {
return (typeof Buffer !== 'undefined' && obj instanceof Buffer);
}
function extendUint8Array(array, newLength, padValue) {
const newArray = new Uint8Array(newLength);
newArray.set(array);
for (let i = array.length; i < newLength; i++) {
newArray[i] = padValue;
}
return newArray;
}
function concatenateUint8Arrays(arrays) {
const totalLength = arrays.reduce((length, array) => length + array.length, 0);
const concatenatedArray = new Uint8Array(totalLength);
let offset = 0;
for (let i = 0; i < arrays.length; i++) {
concatenatedArray.set(arrays[i], offset);
offset += arrays[i].length;
}
return concatenatedArray;
}
function xor(buf1, buf2) {
let number = -1;
const bufResult = buf1.map((b) => {
if (number != buf2.length - 1) {
number = number + 1;
}
else {
number = 0;
}
return b ^ buf2[number];
});
return bufResult;
}
function align(a, n) {
var a = a % n;
if (a) {
return (n - a);
}
else {
return 0;
}
}
function removePKCSPadding(buffer, number, PKCS = false) {
const lastByte = buffer[buffer.length - 1];
if (PKCS == true) {
return buffer.subarray(0, buffer.length - lastByte);
}
else if (lastByte != number) {
return buffer;
}
else {
var len = buffer.length;
for (let i = buffer.length - 1; i > 0; i--) {
if (buffer[i] == number) {
len--;
}
}
return buffer.subarray(0, len);
}
}
function bswap64(x) {
var new_buffer = new Uint8Array([x[3], x[2], x[1], x[0], x[7], x[6], x[5], x[4]]);
if (isBuffer(x)) {
new_buffer = Buffer.from([x[3], x[2], x[1], x[0], x[7], x[6], x[5], x[4]]);
}
return new_buffer;
}
/**
* BLOWFISH encryption.
*
* Up to 56 bytes key, 8 byte IV
*
* Example:
* ```
* const cipher = new BLOWFISH();
* // Key for browser
* const encoder_key = new TextEncoder();
* const key = encoder_key.encode("0123456789ABCDEF0123456789ABCDEF");
* cipher.set_key(key)
* // Key for node
* const key = Buffer.from("0123456789ABCDEF0123456789ABCDEF");
* cipher.set_key(key)
* // set IV for browser
* const encoder_IV = new TextEncoder();
* const IV = encoder_IV.encode("01234567");
* cipher.set_iv(IV)
* // set IV for node
* const IV = Buffer.from("01234567");
* cipher.set_iv(IV)
* // Encrypt for browser
* const encoder_text = new TextEncoder();
* const text = encoder_text.encode("test text");
* const text_length = text.length
* const ciphertext = cipher.encrypt(text)
* // Encrypt for node
* const text = Buffer.from("test text");
* const text_length = text.length
* const ciphertext = cipher.encrypt(text)
* // Decrypt for browser
* cipher.set_key(key)
* cipher.set_iv(IV)
* const ciphertext = new Uint8Array(data.length)
* ciphertext.set(data)
* const decrypt_text = cipher.decrypt(ciphertext)
* const decoded_text = new TextDecoder();
* const string_data = decoded_text.decode(decrypt_text.subarray(0,text_length));
* // Decrypt for Node
* cipher.set_key(key)
* cipher.set_iv(IV)
* const ciphertext = Buffer.from(data);
* const decrypt_text = cipher.decrypt(ciphertext)
* const final_text = ciphertext.subarray(0,message_len)
* const string_data = final_text.toString()
* ```
*/
class BLOWFISH {
constructor() {
this.key_set = false;
this.iv_set = false;
this.xl = 0;
this.xr = 0;
this.S = [
[0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7,
0xB8E1AFED, 0x6A267E96, 0xBA7C9045, 0xF12C7F99,
0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16,
0x636920D8, 0x71574E69, 0xA458FEA3, 0xF4933D7E,
0x0D95748F, 0x728EB658, 0x718BCD58, 0x82154AEE,
0x7B54A41D, 0xC25A59B5, 0x9C30D539, 0x2AF26013,
0xC5D1B023, 0x286085F0, 0xCA417918, 0xB8DB38EF,
0x8E79DCB0, 0x603A180E, 0x6C9E0E8B, 0xB01E8A3E,
0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60,
0xE65525F3, 0xAA55AB94, 0x57489862, 0x63E81440,
0x55CA396A, 0x2AAB10B6, 0xB4CC5C34, 0x1141E8CE,
0xA15486AF, 0x7C72E993, 0xB3EE1411, 0x636FBC2A,
0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E,
0xAFD6BA33, 0x6C24CF5C, 0x7A325381, 0x28958677,
0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193,
0x61D809CC, 0xFB21A991, 0x487CAC60, 0x5DEC8032,
0xEF845D5D, 0xE98575B1, 0xDC262302, 0xEB651B88,
0x23893E81, 0xD396ACC5, 0x0F6D6FF3, 0x83F44239,
0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E,
0x21C66842, 0xF6E96C9A, 0x670C9C61, 0xABD388F0,
0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3,
0x6EEF0B6C, 0x137A3BE4, 0xBA3BF050, 0x7EFB2A98,
0xA1F1651D, 0x39AF0176, 0x66CA593E, 0x82430E88,
0x8CEE8619, 0x456F9FB4, 0x7D84A5C3, 0x3B8B5EBE,
0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6,
0x4ED3AA62, 0x363F7706, 0x1BFEDF72, 0x429B023D,
0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B,
0x075372C9, 0x80991B7B, 0x25D479D8, 0xF6E8DEF7,
0xE3FE501A, 0xB6794C3B, 0x976CE0BD, 0x04C006BA,
0xC1A94FB6, 0x409F60C4, 0x5E5C9EC2, 0x196A2463,
0x68FB6FAF, 0x3E6C53B5, 0x1339B2EB, 0x3B52EC6F,
0x6DFC511F, 0x9B30952C, 0xCC814544, 0xAF5EBD09,
0xBEE3D004, 0xDE334AFD, 0x660F2807, 0x192E4BB3,
0xC0CBA857, 0x45C8740F, 0xD20B5F39, 0xB9D3FBDB,
0x5579C0BD, 0x1A60320A, 0xD6A100C6, 0x402C7279,
0x679F25FE, 0xFB1FA3CC, 0x8EA5E9F8, 0xDB3222F8,
0x3C7516DF, 0xFD616B15, 0x2F501EC8, 0xAD0552AB,
0x323DB5FA, 0xFD238760, 0x53317B48, 0x3E00DF82,
0x9E5C57BB, 0xCA6F8CA0, 0x1A87562E, 0xDF1769DB,
0xD542A8F6, 0x287EFFC3, 0xAC6732C6, 0x8C4F5573,
0x695B27B0, 0xBBCA58C8, 0xE1FFA35D, 0xB8F011A0,
0x10FA3D98, 0xFD2183B8, 0x4AFCB56C, 0x2DD1D35B,
0x9A53E479, 0xB6F84565, 0xD28E49BC, 0x4BFB9790,
0xE1DDF2DA, 0xA4CB7E33, 0x62FB1341, 0xCEE4C6E8,
0xEF20CADA, 0x36774C01, 0xD07E9EFE, 0x2BF11FB4,
0x95DBDA4D, 0xAE909198, 0xEAAD8E71, 0x6B93D5A0,
0xD08ED1D0, 0xAFC725E0, 0x8E3C5B2F, 0x8E7594B7,
0x8FF6E2FB, 0xF2122B64, 0x8888B812, 0x900DF01C,
0x4FAD5EA0, 0x688FC31C, 0xD1CFF191, 0xB3A8C1AD,
0x2F2F2218, 0xBE0E1777, 0xEA752DFE, 0x8B021FA1,
0xE5A0CC0F, 0xB56F74E8, 0x18ACF3D6, 0xCE89E299,
0xB4A84FE0, 0xFD13E0B7, 0x7CC43B81, 0xD2ADA8D9,
0x165FA266, 0x80957705, 0x93CC7314, 0x211A1477,
0xE6AD2065, 0x77B5FA86, 0xC75442F5, 0xFB9D35CF,
0xEBCDAF0C, 0x7B3E89A0, 0xD6411BD3, 0xAE1E7E49,
0x00250E2D, 0x2071B35E, 0x226800BB, 0x57B8E0AF,
0x2464369B, 0xF009B91E, 0x5563911D, 0x59DFA6AA,
0x78C14389, 0xD95A537F, 0x207D5BA2, 0x02E5B9C5,
0x83260376, 0x6295CFA9, 0x11C81968, 0x4E734A41,
0xB3472DCA, 0x7B14A94A, 0x1B510052, 0x9A532915,
0xD60F573F, 0xBC9BC6E4, 0x2B60A476, 0x81E67400,
0x08BA6FB5, 0x571BE91F, 0xF296EC6B, 0x2A0DD915,
0xB6636521, 0xE7B9F9B6, 0xFF34052E, 0xC5855664,
0x53B02D5D, 0xA99F8FA1, 0x08BA4799, 0x6E85076A],
[0x4B7A70E9, 0xB5B32944, 0xDB75092E, 0xC4192623,
0xAD6EA6B0, 0x49A7DF7D, 0x9CEE60B8, 0x8FEDB266,
0xECAA8C71, 0x699A17FF, 0x5664526C, 0xC2B19EE1,
0x193602A5, 0x75094C29, 0xA0591340, 0xE4183A3E,
0x3F54989A, 0x5B429D65, 0x6B8FE4D6, 0x99F73FD6,
0xA1D29C07, 0xEFE830F5, 0x4D2D38E6, 0xF0255DC1,
0x4CDD2086, 0x8470EB26, 0x6382E9C6, 0x021ECC5E,
0x09686B3F, 0x3EBAEFC9, 0x3C971814, 0x6B6A70A1,
0x687F3584, 0x52A0E286, 0xB79C5305, 0xAA500737,
0x3E07841C, 0x7FDEAE5C, 0x8E7D44EC, 0x5716F2B8,
0xB03ADA37, 0xF0500C0D, 0xF01C1F04, 0x0200B3FF,
0xAE0CF51A, 0x3CB574B2, 0x25837A58, 0xDC0921BD,
0xD19113F9, 0x7CA92FF6, 0x94324773, 0x22F54701,
0x3AE5E581, 0x37C2DADC, 0xC8B57634, 0x9AF3DDA7,
0xA9446146, 0x0FD0030E, 0xECC8C73E, 0xA4751E41,
0xE238CD99, 0x3BEA0E2F, 0x3280BBA1, 0x183EB331,
0x4E548B38, 0x4F6DB908, 0x6F420D03, 0xF60A04BF,
0x2CB81290, 0x24977C79, 0x5679B072, 0xBCAF89AF,
0xDE9A771F, 0xD9930810, 0xB38BAE12, 0xDCCF3F2E,
0x5512721F, 0x2E6B7124, 0x501ADDE6, 0x9F84CD87,
0x7A584718, 0x7408DA17, 0xBC9F9ABC, 0xE94B7D8C,
0xEC7AEC3A, 0xDB851DFA, 0x63094366, 0xC464C3D2,
0xEF1C1847, 0x3215D908, 0xDD433B37, 0x24C2BA16,
0x12A14D43, 0x2A65C451, 0x50940002, 0x133AE4DD,
0x71DFF89E, 0x10314E55, 0x81AC77D6, 0x5F11199B,
0x043556F1, 0xD7A3C76B, 0x3C11183B, 0x5924A509,
0xF28FE6ED, 0x97F1FBFA, 0x9EBABF2C, 0x1E153C6E,
0x86E34570, 0xEAE96FB1, 0x860E5E0A, 0x5A3E2AB3,
0x771FE71C, 0x4E3D06FA, 0x2965DCB9, 0x99E71D0F,
0x803E89D6, 0x5266C825, 0x2E4CC978, 0x9C10B36A,
0xC6150EBA, 0x94E2EA78, 0xA5FC3C53, 0x1E0A2DF4,
0xF2F74EA7, 0x361D2B3D, 0x1939260F, 0x19C27960,
0x5223A708, 0xF71312B6, 0xEBADFE6E, 0xEAC31F66,
0xE3BC4595, 0xA67BC883, 0xB17F37D1, 0x018CFF28,
0xC332DDEF, 0xBE6C5AA5, 0x65582185, 0x68AB9802,
0xEECEA50F, 0xDB2F953B, 0x2AEF7DAD, 0x5B6E2F84,
0x1521B628, 0x29076170, 0xECDD4775, 0x619F1510,
0x13CCA830, 0xEB61BD96, 0x0334FE1E, 0xAA0363CF,
0xB5735C90, 0x4C70A239, 0xD59E9E0B, 0xCBAADE14,
0xEECC86BC, 0x60622CA7, 0x9CAB5CAB, 0xB2F3846E,
0x648B1EAF, 0x19BDF0CA, 0xA02369B9, 0x655ABB50,
0x40685A32, 0x3C2AB4B3, 0x319EE9D5, 0xC021B8F7,
0x9B540B19, 0x875FA099, 0x95F7997E, 0x623D7DA8,
0xF837889A, 0x97E32D77, 0x11ED935F, 0x16681281,
0x0E358829, 0xC7E61FD6, 0x96DEDFA1, 0x7858BA99,
0x57F584A5, 0x1B227263, 0x9B83C3FF, 0x1AC24696,
0xCDB30AEB, 0x532E3054, 0x8FD948E4, 0x6DBC3128,
0x58EBF2EF, 0x34C6FFEA, 0xFE28ED61, 0xEE7C3C73,
0x5D4A14D9, 0xE864B7E3, 0x42105D14, 0x203E13E0,
0x45EEE2B6, 0xA3AAABEA, 0xDB6C4F15, 0xFACB4FD0,
0xC742F442, 0xEF6ABBB5, 0x654F3B1D, 0x41CD2105,
0xD81E799E, 0x86854DC7, 0xE44B476A, 0x3D816250,
0xCF62A1F2, 0x5B8D2646, 0xFC8883A0, 0xC1C7B6A3,
0x7F1524C3, 0x69CB7492, 0x47848A0B, 0x5692B285,
0x095BBF00, 0xAD19489D, 0x1462B174, 0x23820E00,
0x58428D2A, 0x0C55F5EA, 0x1DADF43E, 0x233F7061,
0x3372F092, 0x8D937E41, 0xD65FECF1, 0x6C223BDB,
0x7CDE3759, 0xCBEE7460, 0x4085F2A7, 0xCE77326E,
0xA6078084, 0x19F8509E, 0xE8EFD855, 0x61D99735,
0xA969A7AA, 0xC50C06C2, 0x5A04ABFC, 0x800BCADC,
0x9E447A2E, 0xC3453484, 0xFDD56705, 0x0E1E9EC9,
0xDB73DBD3, 0x105588CD, 0x675FDA79, 0xE3674340,
0xC5C43465, 0x713E38D8, 0x3D28F89E, 0xF16DFF20,
0x153E21E7, 0x8FB03D4A, 0xE6E39F2B, 0xDB83ADF7],
[0xE93D5A68, 0x948140F7, 0xF64C261C, 0x94692934,
0x411520F7, 0x7602D4F7, 0xBCF46B2E, 0xD4A20068,
0xD4082471, 0x3320F46A, 0x43B7D4B7, 0x500061AF,
0x1E39F62E, 0x97244546, 0x14214F74, 0xBF8B8840,
0x4D95FC1D, 0x96B591AF, 0x70F4DDD3, 0x66A02F45,
0xBFBC09EC, 0x03BD9785, 0x7FAC6DD0, 0x31CB8504,
0x96EB27B3, 0x55FD3941, 0xDA2547E6, 0xABCA0A9A,
0x28507825, 0x530429F4, 0x0A2C86DA, 0xE9B66DFB,
0x68DC1462, 0xD7486900, 0x680EC0A4, 0x27A18DEE,
0x4F3FFEA2, 0xE887AD8C, 0xB58CE006, 0x7AF4D6B6,
0xAACE1E7C, 0xD3375FEC, 0xCE78A399, 0x406B2A42,
0x20FE9E35, 0xD9F385B9, 0xEE39D7AB, 0x3B124E8B,
0x1DC9FAF7, 0x4B6D1856, 0x26A36631, 0xEAE397B2,
0x3A6EFA74, 0xDD5B4332, 0x6841E7F7, 0xCA7820FB,
0xFB0AF54E, 0xD8FEB397, 0x454056AC, 0xBA489527,
0x55533A3A, 0x20838D87, 0xFE6BA9B7, 0xD096954B,
0x55A867BC, 0xA1159A58, 0xCCA92963, 0x99E1DB33,
0xA62A4A56, 0x3F3125F9, 0x5EF47E1C, 0x9029317C,
0xFDF8E802, 0x04272F70, 0x80BB155C, 0x05282CE3,
0x95C11548, 0xE4C66D22, 0x48C1133F, 0xC70F86DC,
0x07F9C9EE, 0x41041F0F, 0x404779A4, 0x5D886E17,
0x325F51EB, 0xD59BC0D1, 0xF2BCC18F, 0x41113564,
0x257B7834, 0x602A9C60, 0xDFF8E8A3, 0x1F636C1B,
0x0E12B4C2, 0x02E1329E, 0xAF664FD1, 0xCAD18115,
0x6B2395E0, 0x333E92E1, 0x3B240B62, 0xEEBEB922,
0x85B2A20E, 0xE6BA0D99, 0xDE720C8C, 0x2DA2F728,
0xD0127845, 0x95B794FD, 0x647D0862, 0xE7CCF5F0,
0x5449A36F, 0x877D48FA, 0xC39DFD27, 0xF33E8D1E,
0x0A476341, 0x992EFF74, 0x3A6F6EAB, 0xF4F8FD37,
0xA812DC60, 0xA1EBDDF8, 0x991BE14C, 0xDB6E6B0D,
0xC67B5510, 0x6D672C37, 0x2765D43B, 0xDCD0E804,
0xF1290DC7, 0xCC00FFA3, 0xB5390F92, 0x690FED0B,
0x667B9FFB, 0xCEDB7D9C, 0xA091CF0B, 0xD9155EA3,
0xBB132F88, 0x515BAD24, 0x7B9479BF, 0x763BD6EB,
0x37392EB3, 0xCC115979, 0x8026E297, 0xF42E312D,
0x6842ADA7, 0xC66A2B3B, 0x12754CCC, 0x782EF11C,
0x6A124237, 0xB79251E7, 0x06A1BBE6, 0x4BFB6350,
0x1A6B1018, 0x11CAEDFA, 0x3D25BDD8, 0xE2E1C3C9,
0x44421659, 0x0A121386, 0xD90CEC6E, 0xD5ABEA2A,
0x64AF674E, 0xDA86A85F, 0xBEBFE988, 0x64E4C3FE,
0x9DBC8057, 0xF0F7C086, 0x60787BF8, 0x6003604D,
0xD1FD8346, 0xF6381FB0, 0x7745AE04, 0xD736FCCC,
0x83426B33, 0xF01EAB71, 0xB0804187, 0x3C005E5F,
0x77A057BE, 0xBDE8AE24, 0x55464299, 0xBF582E61,
0x4E58F48F, 0xF2DDFDA2, 0xF474EF38, 0x8789BDC2,
0x5366F9C3, 0xC8B38E74, 0xB475F255, 0x46FCD9B9,
0x7AEB2661, 0x8B1DDF84, 0x846A0E79, 0x915F95E2,
0x466E598E, 0x20B45770, 0x8CD55591, 0xC902DE4C,
0xB90BACE1, 0xBB8205D0, 0x11A86248, 0x7574A99E,
0xB77F19B6, 0xE0A9DC09, 0x662D09A1, 0xC4324633,
0xE85A1F02, 0x09F0BE8C, 0x4A99A025, 0x1D6EFE10,
0x1AB93D1D, 0x0BA5A4DF, 0xA186F20F, 0x2868F169,
0xDCB7DA83, 0x573906FE, 0xA1E2CE9B, 0x4FCD7F52,
0x50115E01, 0xA70683FA, 0xA002B5C4, 0x0DE6D027,
0x9AF88C27, 0x773F8641, 0xC3604C06, 0x61A806B5,
0xF0177A28, 0xC0F586E0, 0x006058AA, 0x30DC7D62,
0x11E69ED7, 0x2338EA63, 0x53C2DD94, 0xC2C21634,
0xBBCBEE56, 0x90BCB6DE, 0xEBFC7DA1, 0xCE591D76,
0x6F05E409, 0x4B7C0188, 0x39720A3D, 0x7C927C24,
0x86E3725F, 0x724D9DB9, 0x1AC15BB4, 0xD39EB8FC,
0xED545578, 0x08FCA5B5, 0xD83D7CD3, 0x4DAD0FC4,
0x1E50EF5E, 0xB161E6F8, 0xA28514D9, 0x6C51133C,
0x6FD5C7E7, 0x56E14EC4, 0x362ABFCE, 0xDDC6C837,
0xD79A3234, 0x92638212, 0x670EFA8E, 0x406000E0],
[0x3A39CE37, 0xD3FAF5CF, 0xABC27737, 0x5AC52D1B,
0x5CB0679E, 0x4FA33742, 0xD3822740, 0x99BC9BBE,
0xD5118E9D, 0xBF0F7315, 0xD62D1C7E, 0xC700C47B,
0xB78C1B6B, 0x21A19045, 0xB26EB1BE, 0x6A366EB4,
0x5748AB2F, 0xBC946E79, 0xC6A376D2, 0x6549C2C8,
0x530FF8EE, 0x468DDE7D, 0xD5730A1D, 0x4CD04DC6,
0x2939BBDB, 0xA9BA4650, 0xAC9526E8, 0xBE5EE304,
0xA1FAD5F0, 0x6A2D519A, 0x63EF8CE2, 0x9A86EE22,
0xC089C2B8, 0x43242EF6, 0xA51E03AA, 0x9CF2D0A4,
0x83C061BA, 0x9BE96A4D, 0x8FE51550, 0xBA645BD6,
0x2826A2F9, 0xA73A3AE1, 0x4BA99586, 0xEF5562E9,
0xC72FEFD3, 0xF752F7DA, 0x3F046F69, 0x77FA0A59,
0x80E4A915, 0x87B08601, 0x9B09E6AD, 0x3B3EE593,
0xE990FD5A, 0x9E34D797, 0x2CF0B7D9, 0x022B8B51,
0x96D5AC3A, 0x017DA67D, 0xD1CF3ED6, 0x7C7D2D28,
0x1F9F25CF, 0xADF2B89B, 0x5AD6B472, 0x5A88F54C,
0xE029AC71, 0xE019A5E6, 0x47B0ACFD, 0xED93FA9B,
0xE8D3C48D, 0x283B57CC, 0xF8D56629, 0x79132E28,
0x785F0191, 0xED756055, 0xF7960E44, 0xE3D35E8C,
0x15056DD4, 0x88F46DBA, 0x03A16125, 0x0564F0BD,
0xC3EB9E15, 0x3C9057A2, 0x97271AEC, 0xA93A072A,
0x1B3F6D9B, 0x1E6321F5, 0xF59C66FB, 0x26DCF319,
0x7533D928, 0xB155FDF5, 0x03563482, 0x8ABA3CBB,
0x28517711, 0xC20AD9F8, 0xABCC5167, 0xCCAD925F,
0x4DE81751, 0x3830DC8E, 0x379D5862, 0x9320F991,
0xEA7A90C2, 0xFB3E7BCE, 0x5121CE64, 0x774FBE32,
0xA8B6E37E, 0xC3293D46, 0x48DE5369, 0x6413E680,
0xA2AE0810, 0xDD6DB224, 0x69852DFD, 0x09072166,
0xB39A460A, 0x6445C0DD, 0x586CDECF, 0x1C20C8AE,
0x5BBEF7DD, 0x1B588D40, 0xCCD2017F, 0x6BB4E3BB,
0xDDA26A7E, 0x3A59FF45, 0x3E350A44, 0xBCB4CDD5,
0x72EACEA8, 0xFA6484BB, 0x8D6612AE, 0xBF3C6F47,
0xD29BE463, 0x542F5D9E, 0xAEC2771B, 0xF64E6370,
0x740E0D8D, 0xE75B1357, 0xF8721671, 0xAF537D5D,
0x4040CB08, 0x4EB4E2CC, 0x34D2466A, 0x0115AF84,
0xE1B00428, 0x95983A1D, 0x06B89FB4, 0xCE6EA048,
0x6F3F3B82, 0x3520AB82, 0x011A1D4B, 0x277227F8,
0x611560B1, 0xE7933FDC, 0xBB3A792B, 0x344525BD,
0xA08839E1, 0x51CE794B, 0x2F32C9B7, 0xA01FBAC9,
0xE01CC87E, 0xBCC7D1F6, 0xCF0111C3, 0xA1E8AAC7,
0x1A908749, 0xD44FBD9A, 0xD0DADECB, 0xD50ADA38,
0x0339C32A, 0xC6913667, 0x8DF9317C, 0xE0B12B4F,
0xF79E59B7, 0x43F5BB3A, 0xF2D519FF, 0x27D9459C,
0xBF97222C, 0x15E6FC2A, 0x0F91FC71, 0x9B941525,
0xFAE59361, 0xCEB69CEB, 0xC2A86459, 0x12BAA8D1,
0xB6C1075E, 0xE3056A0C, 0x10D25065, 0xCB03A442,
0xE0EC6E0E, 0x1698DB3B, 0x4C98A0BE, 0x3278E964,
0x9F1F9532, 0xE0D392DF, 0xD3A0342B, 0x8971F21E,
0x1B0A7441, 0x4BA3348C, 0xC5BE7120, 0xC37632D8,
0xDF359F8D, 0x9B992F2E, 0xE60B6F47, 0x0FE3F11D,
0xE54CDA54, 0x1EDAD891, 0xCE6279CF, 0xCD3E7E6F,
0x1618B166, 0xFD2C1D05, 0x848FD2C5, 0xF6FB2299,
0xF523F357, 0xA6327623, 0x93A83531, 0x56CCCD02,
0xACF08162, 0x5A75EBB5, 0x6E163697, 0x88D273CC,
0xDE966292, 0x81B949D0, 0x4C50901B, 0x71C65614,
0xE6C6C7BD, 0x327A140A, 0x45E1D006, 0xC3F27B9A,
0xC9AA53FD, 0x62A80F00, 0xBB25BFE2, 0x35BDD2F6,
0x71126905, 0xB2040222, 0xB6CBCF7C, 0xCD769C2B,
0x53113EC0, 0x1640E3D3, 0x38ABBD60, 0x2547ADF0,
0xBA38209C, 0xF746CE76, 0x77AFA1C5, 0x20756060,
0x85CBFE4E, 0x8AE88DD8, 0x7AAAF9B0, 0x4CF9AA7E,
0x1948C25C, 0x02FB8A8C, 0x01C36AE4, 0xD6EBE1F9,
0x90D4F869, 0xA65CDEA0, 0x3F09252D, 0xC208E69F,
0xB74E6132, 0xCE77E25B, 0x578FDFE3, 0x3AC372E6]
];
this.P = [
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
0x9216d5d9, 0x8979fb1b,
];
this.buffer = new Uint8Array(4168);
this.offsetP = 4096;
this.endoffsetP = 4164;
}
/**
* Key for encryption.
*
* Key must be less than 56 bytes & divisible by 4!
*
* @param {Buffer|Uint8Array} key - ```Buffer``` or ```Uint8Array```
*/
set_key(key) {
if (!isBufferOrUint8Array(key)) {
throw Error("key must be Buffer or Uint8Array");
}
var keyLen = key.length;
if (keyLen > 56) {
throw Error("Key must be less than 56 bytes");
}
else if (keyLen % 4) {
throw Error("Key must be divisible by 4");
}
var i, index;
for (i = 0; i < 4; i++) {
for (index = 0; index < this.S[i].length; index++) {
writeUInt32LE(this.buffer, this.S[i][index], (i * 1024) + (index * 4));
}
}
for (index = 0; index < this.P.length; index++) {
writeUInt32LE(this.buffer, this.P[index], (index * 4) + this.offsetP);
}
var blocks = key.length / 4;
var v11 = [];
for (index = 0; index < blocks; index++) {
var element = readUInt32LE(key, index * 4);
v11.push(element);
}
for (index = 0; index < 18; index++) {
var loc = (index * 4) + this.offsetP;
var element = readUInt32LE(this.buffer, loc);
writeUInt32LE(this.buffer, (element ^ v11[index & (blocks - 1)]) >>> 0, loc);
}
this.xl = 0;
this.xr = 0;
for (index = 0; index < 18; index = index + 2) {
let loc = (index * 4) + this.offsetP;
this.enc_round();
writeUInt32LE(this.buffer, this.xl >>> 0, loc);
writeUInt32LE(this.buffer, this.xr >>> 0, loc + 4);
}
const offsetS = 0;
for (index = 0; index < 1024; index = index + 2) {
let loc = (index * 4) + offsetS;
this.enc_round();
writeUInt32LE(this.buffer, this.xl >>> 0, loc);
writeUInt32LE(this.buffer, this.xr >>> 0, loc + 4);
}
this.key_set = true;
}
;
F(x) {
var a;
var b;
var c;
var d;
var y;
d = x & 0x00FF;
x >>= 8;
c = x & 0x00FF;
x >>= 8;
b = x & 0x00FF;
x >>= 8;
a = x & 0x00FF;
//y = ((S[0][a] + S[1][b]) ^ S[2][c]) + S[3][d];
y = readUInt32LE(this.buffer, (0 * 1024) + (a * 4)) + readUInt32LE(this.buffer, (1 * 1024) + (b * 4));
y = y ^ readUInt32LE(this.buffer, (2 * 1024) + (c * 4));
y = y + readUInt32LE(this.buffer, (3 * 1024) + (d * 4));
return y;
}
;
enc_round() {
var tl, tr, temp;
tl = this.xl;
tr = this.xr;
for (var i = 0; i != 16; ++i) {
tl = (tl ^ readUInt32LE(this.buffer, (i * 4) + this.offsetP)) >>> 0;
tr = (this.F(tl) ^ tr) >>> 0;
temp = tl;
tl = tr;
tr = temp;
}
temp = tl;
tl = tr;
tr = temp;
tr = (tr ^ readUInt32LE(this.buffer, 4160)) >>> 0;
tl = (tl ^ readUInt32LE(this.buffer, 4164)) >>> 0;
this.xl = tl;
this.xr = tr;
}
;
dec_round() {
var tl, tr, temp;
tl = this.xl;
tr = this.xr;
for (var i = 0; i != -16; --i) {
tl = (tl ^ readUInt32LE(this.buffer, (i * 4) + this.endoffsetP)) >>> 0;
tr = (this.F(tl) ^ tr) >>> 0;
temp = tl;
tl = tr;
tr = temp;
}
temp = tl;
tl = tr;
tr = temp;
tr = (tr ^ readUInt32LE(this.buffer, 4100)) >>> 0;
tl = (tl ^ readUInt32LE(this.buffer, 4096)) >>> 0;
this.xl = tl;
this.xr = tr;
}
;
/**
* IV for CBC encryption.
*
* Must be 8 bytes!
*
* @param {Buffer|Uint8Array} iv - ```Buffer``` or ```Uint8Array```
*/
set_iv(iv) {
if (iv) {
if (!isBufferOrUint8Array(iv)) {
throw Error("IV must be a buffer or UInt8Array");
}
else {
if (iv.length != 8) {
throw Error("Enter a vaild 8 byte IV for CBC mode");
}
else {
this.iv = iv;
this.iv_set = true;
}
}
}
else {
throw Error("Enter a vaild 8 byte IV for CBC mode");
}
}
;
decrypt_block(block) {
let start_chunk = bswap64(block);
if (this.iv_set == true) {
if (this.previous_block != undefined) {
this.iv = this.previous_block;
}
}
this.xl = readUInt32LE(start_chunk, 0);
this.xr = readUInt32LE(start_chunk, 4);
this.dec_round();
var x;
if (isBuffer(block)) {
x = Buffer.alloc(8);
}
else {
x = new Uint8Array(8);
}
writeUInt32LE(x, this.xl, 0);
writeUInt32LE(x, this.xr, 4);
if (this.iv_set == true) {
x = xor(x, this.iv);
this.previous_block = start_chunk;
}
var return_buffer = bswap64(x);
return return_buffer;
}
;
encrypt_block(block) {
//check if IV is set, if so runs CBC
let start_chunk = block;
if (this.iv_set == true) {
start_chunk = xor_switch(block, this.iv);
}
this.xl = readUInt32LE(start_chunk, 0);
this.xr = readUInt32LE(start_chunk, 4);
this.enc_round();
var x;
if (isBuffer(block)) {
x = Buffer.alloc(8);
}
else {
x = new Uint8Array(8);
}
writeUInt32LE(x, this.xl, 0);
writeUInt32LE(x, this.xr, 4);
if (this.iv_set == true) {
this.iv = x;
}
let out_blk = bswap64(x);
return out_blk;
}
;
/**
* If IV is not set, runs in ECB mode.
*
* If IV was set, runs in CBC mode.
*
* If padding number is not set, uses PKCS padding.
*
* @param {Buffer|Uint8Array} data_in - ```Buffer``` or ```Uint8Array```
* @param {number} padding - ```number``` defaults to 0 for PKCS or can use a value
* @returns ```Buffer``` or ```Uint8Array```
*/
encrypt(data_in, padding = 0) {
if (!isBufferOrUint8Array(data_in)) {
throw Error("Data must be Buffer or Uint8Array");
}
const block_size = 8;
if (this.key_set != true) {
throw Error("Please set key first");
}
var data = data_in;
var padd_value = padding;
const return_buff = [];
if (data.length % block_size != 0) {
var to_padd = block_size - (data.length % block_size);
if (padding == 0) {
padd_value = to_padd;
}
if (isBuffer(data_in)) {
var paddbuffer = Buffer.alloc(to_padd, padd_value & 0xff);
data = Buffer.concat([data_in, paddbuffer]);
}
else {
data = extendUint8Array(data_in, data.length + to_padd, padd_value);
}
}
for (let index = 0; index < data.length / block_size; index++) {
const block = data.subarray((index * block_size), (index + 1) * block_size);
const return_block = this.encrypt_block(block);
return_buff.push(return_block);
}
var final_buffer;
if (isBuffer(data_in)) {
final_buffer = Buffer.concat(return_buff);
}
else {
final_buffer = concatenateUint8Arrays(return_buff);
}
this.iv_set = false;
return final_buffer;
}
;
/**
* If IV is not set, runs in ECB mode.
*
* If IV was set, runs in CBC mode.
*
* If remove_padding is ``number``, will check the last block and remove padded number.
*
* If remove_padding is ``true``, will remove PKCS padding on last block.
*
* @param {Buffer|Uint8Array} data_in - ```Buffer``` or ```Uint8Array```
* @param {boolean|number} remove_padding - Will check the last block and remove padded ``number``. Will remove PKCS if ``true``
* @returns ```Buffer``` or ```Uint8Array```
*/
decrypt(data_in, remove_padding = true) {
if (!isBufferOrUint8Array(data_in)) {
throw Error("Data must be Buffer or Uint8Array");
}
const block_size = 8;
if (this.key_set != true) {
throw Error("Please set key first");
}
var data = data_in;
var padd_value = align(data.length, block_size);
if (typeof remove_padding == 'number') {
padd_value = remove_padding & 0xFF;
}
const return_buff = [];
if (data.length % block_size != 0) {
var to_padd = block_size - (data.length % block_size);
if (isBuffer(data_in)) {
var paddbuffer = Buffer.alloc(to_padd, padd_value & 0xFF);
data = Buffer.concat([data_in, paddbuffer]);
}
else {
data = extendUint8Array(data_in, data.length + to_padd, padd_value);
}
}
for (let index = 0, amount = Math.ceil(data.length / block_size); index < amount; index++) {
const block = data.subarray((index * block_size), (index + 1) * block_size);
var return_block = this.decrypt_block(block);
if ((remove_padding != false) && (index == (amount - 1))) {
return_block = removePKCSPadding(return_block, padd_value, remove_padding);
return_buff.push(return_block);
}
else {
return_buff.push(return_block);
}
}
var final_buffer;
if (isBuffer(data_in)) {
final_buffer = Buffer.concat(return_buff);
}
else {
final_buffer = concatenateUint8Arrays(return_buff);
}
this.iv_set = false;
return final_buffer;
}
;
}
exports.BLOWFISH = BLOWFISH;
//# sourceMappingURL=BLOWFISH.js.map