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@stablelib/aes

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@stablelib/aes - npm Package Compare versions

Comparing version 1.0.1 to 2.0.0

typedoc.json

2

aes.test.ts
// Copyright (C) 2016 Dmitry Chestnykh
// MIT License. See LICENSE file for details.
import { describe, expect, it } from 'vitest';
import { AES } from "./aes";

@@ -5,0 +5,0 @@ import { encode, decode } from "@stablelib/hex";

2

aes.ts

@@ -18,3 +18,3 @@ // Copyright (C) 2016 Dmitry Chestnykh

import { BlockCipher } from "@stablelib/blockcipher";
import type { BlockCipher } from "@stablelib/blockcipher";
import { wipe } from "@stablelib/wipe";

@@ -21,0 +21,0 @@ import { readUint32BE, writeUint32BE } from "@stablelib/binary";

20

lib/aes.bench.js

@@ -1,14 +0,12 @@

"use strict";
// Copyright (C) 2016 Dmitry Chestnykh
// MIT License. See LICENSE file for details.
Object.defineProperty(exports, "__esModule", { value: true });
var aes_1 = require("./aes");
var benchmark_1 = require("@stablelib/benchmark");
var key = benchmark_1.byteSeq(32);
var cipher = new aes_1.AES(key);
var src = benchmark_1.byteSeq(16);
var dst = new Uint8Array(16);
benchmark_1.report("AES-256 init", benchmark_1.benchmark(function () { return new aes_1.AES(key); }));
benchmark_1.report("AES-256 encrypt", benchmark_1.benchmark(function () { return cipher.encryptBlock(src, dst); }, src.length));
benchmark_1.report("AES-256 decrypt", benchmark_1.benchmark(function () { return cipher.decryptBlock(src, dst); }, src.length));
import { AES } from "./aes";
import { benchmark, report, byteSeq } from "@stablelib/benchmark";
const key = byteSeq(32);
const cipher = new AES(key);
const src = byteSeq(16);
const dst = new Uint8Array(16);
report("AES-256 init", benchmark(() => new AES(key)));
report("AES-256 encrypt", benchmark(() => cipher.encryptBlock(src, dst), src.length));
report("AES-256 decrypt", benchmark(() => cipher.decryptBlock(src, dst), src.length));
//# sourceMappingURL=aes.bench.js.map

2

lib/aes.d.ts
/**
* Package aes implements AES block cipher.
*/
import { BlockCipher } from "@stablelib/blockcipher";
import type { BlockCipher } from "@stablelib/blockcipher";
/**

@@ -6,0 +6,0 @@ * AES block cipher.

153

lib/aes.js

@@ -1,9 +0,7 @@

"use strict";
// Copyright (C) 2016 Dmitry Chestnykh
// MIT License. See LICENSE file for details.
Object.defineProperty(exports, "__esModule", { value: true });
var wipe_1 = require("@stablelib/wipe");
var binary_1 = require("@stablelib/binary");
import { wipe } from "@stablelib/wipe";
import { readUint32BE, writeUint32BE } from "@stablelib/binary";
// Powers of x mod poly in GF(2).
var POWX = new Uint8Array([
const POWX = new Uint8Array([
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,

@@ -13,3 +11,3 @@ 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f

// FIPS-197 Figure 7. S-box substitution values in hexadecimal format.
var SBOX0 = new Uint8Array([
const SBOX0 = new Uint8Array([
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,

@@ -33,3 +31,3 @@ 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,

// FIPS-197 Figure 14. Inverse S-box substitution values in hexadecimal format.
var SBOX1 = new Uint8Array([
const SBOX1 = new Uint8Array([
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,

@@ -54,13 +52,13 @@ 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,

// Will be computed by initialize() when the first AES instance is created.
var isInitialized = false;
var Te0, Te1, Te2, Te3;
var Td0, Td1, Td2, Td3;
let isInitialized = false;
let Te0, Te1, Te2, Te3;
let Td0, Td1, Td2, Td3;
// Initialize generates encryption and decryption tables.
function initialize() {
var poly = (1 << 8) | (1 << 4) | (1 << 3) | (1 << 1) | (1 << 0);
const poly = (1 << 8) | (1 << 4) | (1 << 3) | (1 << 1) | (1 << 0);
function mul(b, c) {
var i = b;
var j = c;
var s = 0;
for (var k = 1; k < 0x100 && j !== 0; k <<= 1) {
let i = b;
let j = c;
let s = 0;
for (let k = 1; k < 0x100 && j !== 0; k <<= 1) {
// Invariant: k == 1<<n, i == b * x^n

@@ -79,3 +77,3 @@ if ((j & k) !== 0) {

}
var rot = function (x) { return (x << 24) | (x >>> 8); };
const rot = (x) => (x << 24) | (x >>> 8);
// Generate encryption tables.

@@ -86,5 +84,5 @@ Te0 = new Uint32Array(256);

Te3 = new Uint32Array(256);
for (var i = 0; i < 256; i++) {
var s = SBOX0[i];
var w = (mul(s, 2) << 24) | (s << 16) | (s << 8) | mul(s, 3);
for (let i = 0; i < 256; i++) {
const s = SBOX0[i];
let w = (mul(s, 2) << 24) | (s << 16) | (s << 8) | mul(s, 3);
Te0[i] = w;

@@ -104,5 +102,5 @@ w = rot(w);

Td3 = new Uint32Array(256);
for (var i = 0; i < 256; i++) {
var s = SBOX1[i];
var w = (mul(s, 0xe) << 24) | (mul(s, 0x9) << 16) |
for (let i = 0; i < 256; i++) {
const s = SBOX1[i];
let w = (mul(s, 0xe) << 24) | (mul(s, 0x9) << 16) |
(mul(s, 0xd) << 8) | mul(s, 0xb);

@@ -129,3 +127,12 @@ Td0[i] = w;

*/
var AES = /** @class */ (function () {
export class AES {
// AES block size in bytes.
blockSize = 16;
// Key byte length.
_keyLen;
// Expanded encryption key.
_encKey;
// Expanded decryption key. May be undefined if instance
// was created "noDecryption" option set to true.
_decKey;
/**

@@ -139,6 +146,3 @@ * Constructs AES with the given 16, 24 or 32-byte key

*/
function AES(key, noDecryption) {
if (noDecryption === void 0) { noDecryption = false; }
// AES block size in bytes.
this.blockSize = 16;
constructor(key, noDecryption = false) {
if (!isInitialized) {

@@ -155,4 +159,3 @@ initialize();

*/
AES.prototype.setKey = function (key, noDecryption) {
if (noDecryption === void 0) { noDecryption = false; }
setKey(key, noDecryption = false) {
if (key.length !== 16 && key.length !== 24 && key.length !== 32) {

@@ -171,3 +174,3 @@ throw new Error("AES: wrong key size (must be 16, 24 or 32)");

if (this._decKey) {
wipe_1.wipe(this._decKey);
wipe(this._decKey);
}

@@ -182,15 +185,15 @@ }

return this;
};
}
/**
* Erases expanded keys from memory.
*/
AES.prototype.clean = function () {
clean() {
if (this._encKey) {
wipe_1.wipe(this._encKey);
wipe(this._encKey);
}
if (this._decKey) {
wipe_1.wipe(this._decKey);
wipe(this._decKey);
}
return this;
};
}
/**

@@ -204,3 +207,3 @@ * Encrypt 16-byte block src into 16-byte block dst.

*/
AES.prototype.encryptBlock = function (src, dst) {
encryptBlock(src, dst) {
// Check block lengths.

@@ -216,3 +219,3 @@ if (src.length < this.blockSize) {

return this;
};
}
/**

@@ -226,3 +229,3 @@ * Decrypt 16-byte block src into 16-byte block dst.

*/
AES.prototype.decryptBlock = function (src, dst) {
decryptBlock(src, dst) {
// Check block lengths.

@@ -243,6 +246,4 @@ if (src.length < this.blockSize) {

return this;
};
return AES;
}());
exports.AES = AES;
}
}
// Apply sbox0 to each byte in w.

@@ -260,9 +261,9 @@ function subw(w) {

function expandKey(key, encKey, decKey) {
var nk = key.length / 4 | 0;
var n = encKey.length;
for (var i = 0; i < nk; i++) {
encKey[i] = binary_1.readUint32BE(key, i * 4);
const nk = key.length / 4 | 0;
const n = encKey.length;
for (let i = 0; i < nk; i++) {
encKey[i] = readUint32BE(key, i * 4);
}
for (var i = nk; i < n; i++) {
var t = encKey[i - 1];
for (let i = nk; i < n; i++) {
let t = encKey[i - 1];
if (i % nk === 0) {

@@ -280,6 +281,6 @@ t = subw(rotw(t)) ^ (POWX[i / nk - 1] << 24);

// All sets but the first and last get the MixColumn transform applied.
for (var i = 0; i < n; i += 4) {
var ei = n - i - 4;
for (var j = 0; j < 4; j++) {
var x = encKey[ei + j];
for (let i = 0; i < n; i += 4) {
const ei = n - i - 4;
for (let j = 0; j < 4; j++) {
let x = encKey[ei + j];
if (i > 0 && i + 4 < n) {

@@ -295,6 +296,6 @@ x = Td0[SBOX0[(x >>> 24) & 0xff]] ^ Td1[SBOX0[(x >>> 16) & 0xff]] ^

function encryptBlock(xk, src, dst) {
var s0 = binary_1.readUint32BE(src, 0);
var s1 = binary_1.readUint32BE(src, 4);
var s2 = binary_1.readUint32BE(src, 8);
var s3 = binary_1.readUint32BE(src, 12);
let s0 = readUint32BE(src, 0);
let s1 = readUint32BE(src, 4);
let s2 = readUint32BE(src, 8);
let s3 = readUint32BE(src, 12);
// First round just XORs input with key.

@@ -305,8 +306,8 @@ s0 ^= xk[0];

s3 ^= xk[3];
var t0 = 0, t1 = 0, t2 = 0, t3 = 0;
let t0 = 0, t1 = 0, t2 = 0, t3 = 0;
// Middle rounds shuffle using tables.
// Number of rounds is set by length of expanded key.
var nr = xk.length / 4 - 2; // - 2: one above, one more below
var k = 4;
for (var r = 0; r < nr; r++) {
const nr = xk.length / 4 - 2; // - 2: one above, one more below
let k = 4;
for (let r = 0; r < nr; r++) {
t0 = xk[k + 0] ^ Te0[(s0 >>> 24) & 0xff] ^ Te1[(s1 >>> 16) & 0xff] ^

@@ -339,12 +340,12 @@ Te2[(s2 >>> 8) & 0xff] ^ Te3[s3 & 0xff];

s3 ^= xk[k + 3];
binary_1.writeUint32BE(s0, dst, 0);
binary_1.writeUint32BE(s1, dst, 4);
binary_1.writeUint32BE(s2, dst, 8);
binary_1.writeUint32BE(s3, dst, 12);
writeUint32BE(s0, dst, 0);
writeUint32BE(s1, dst, 4);
writeUint32BE(s2, dst, 8);
writeUint32BE(s3, dst, 12);
}
function decryptBlock(xk, src, dst) {
var s0 = binary_1.readUint32BE(src, 0);
var s1 = binary_1.readUint32BE(src, 4);
var s2 = binary_1.readUint32BE(src, 8);
var s3 = binary_1.readUint32BE(src, 12);
let s0 = readUint32BE(src, 0);
let s1 = readUint32BE(src, 4);
let s2 = readUint32BE(src, 8);
let s3 = readUint32BE(src, 12);
// First round just XORs input with key.

@@ -355,8 +356,8 @@ s0 ^= xk[0];

s3 ^= xk[3];
var t0 = 0, t1 = 0, t2 = 0, t3 = 0;
let t0 = 0, t1 = 0, t2 = 0, t3 = 0;
// Middle rounds shuffle using tables.
// Number of rounds is set by length of expanded key.
var nr = xk.length / 4 - 2; // - 2: one above, one more below
var k = 4;
for (var r = 0; r < nr; r++) {
const nr = xk.length / 4 - 2; // - 2: one above, one more below
let k = 4;
for (let r = 0; r < nr; r++) {
t0 = xk[k + 0] ^ Td0[(s0 >>> 24) & 0xff] ^ Td1[(s3 >>> 16) & 0xff] ^

@@ -389,7 +390,7 @@ Td2[(s2 >>> 8) & 0xff] ^ Td3[s1 & 0xff];

s3 ^= xk[k + 3];
binary_1.writeUint32BE(s0, dst, 0);
binary_1.writeUint32BE(s1, dst, 4);
binary_1.writeUint32BE(s2, dst, 8);
binary_1.writeUint32BE(s3, dst, 12);
writeUint32BE(s0, dst, 0);
writeUint32BE(s1, dst, 4);
writeUint32BE(s2, dst, 8);
writeUint32BE(s3, dst, 12);
}
//# sourceMappingURL=aes.js.map

81

lib/aes.test.js

@@ -1,9 +0,8 @@

"use strict";
// Copyright (C) 2016 Dmitry Chestnykh
// MIT License. See LICENSE file for details.
Object.defineProperty(exports, "__esModule", { value: true });
var aes_1 = require("./aes");
var hex_1 = require("@stablelib/hex");
import { describe, expect, it } from 'vitest';
import { AES } from "./aes";
import { encode, decode } from "@stablelib/hex";
// TODO(dchest): add more AES test vectors.
var testVectors = [
const testVectors = [
{

@@ -30,27 +29,27 @@ key: "2B7E151628AED2A6ABF7158809CF4F3C",

];
describe("AES", function () {
it("should not accept wrong key length", function () {
expect(function () { return new aes_1.AES(new Uint8Array(10)); }).toThrowError(/^AES/);
describe("AES", () => {
it("should not accept wrong key length", () => {
expect(() => new AES(new Uint8Array(10))).toThrowError(/^AES/);
});
it("should not accept different key in setKey()", function () {
var cipher = new aes_1.AES(new Uint8Array(32));
expect(function () { return cipher.setKey(new Uint8Array(16)); }).toThrowError(/^AES/);
it("should not accept different key in setKey()", () => {
const cipher = new AES(new Uint8Array(32));
expect(() => cipher.setKey(new Uint8Array(16))).toThrowError(/^AES/);
});
});
describe("AES.encryptBlock", function () {
it("should correctly encrypt block", function () {
testVectors.forEach(function (v) {
var cipher = new aes_1.AES(hex_1.decode(v.key));
var dst = new Uint8Array(16);
cipher.encryptBlock(hex_1.decode(v.src), dst);
expect(hex_1.encode(dst)).toBe(v.dst);
describe("AES.encryptBlock", () => {
it("should correctly encrypt block", () => {
testVectors.forEach(v => {
const cipher = new AES(decode(v.key));
const dst = new Uint8Array(16);
cipher.encryptBlock(decode(v.src), dst);
expect(encode(dst)).toBe(v.dst);
});
});
it("should correctly encrypt many blocks with different keys", function () {
var key = new Uint8Array(32);
var block = new Uint8Array(16);
var newKey = new Uint8Array(32);
for (var i = 0; i < 100; i++) {
var cipher = new aes_1.AES(key);
for (var j = 0; j < 100; j++) {
it("should correctly encrypt many blocks with different keys", () => {
let key = new Uint8Array(32);
let block = new Uint8Array(16);
const newKey = new Uint8Array(32);
for (let i = 0; i < 100; i++) {
const cipher = new AES(key);
for (let j = 0; j < 100; j++) {
cipher.encryptBlock(block, block);

@@ -62,21 +61,21 @@ }

}
expect(hex_1.encode(block)).toBe("3A6FD932F608835F1F56D9DC1FCECFA3");
expect(encode(block)).toBe("3A6FD932F608835F1F56D9DC1FCECFA3");
});
});
describe("AES.decryptBlock", function () {
it("should correctly decrypt block", function () {
testVectors.forEach(function (v) {
var cipher = new aes_1.AES(hex_1.decode(v.key));
var src = new Uint8Array(16);
cipher.decryptBlock(hex_1.decode(v.dst), src);
expect(hex_1.encode(src)).toBe(v.src);
describe("AES.decryptBlock", () => {
it("should correctly decrypt block", () => {
testVectors.forEach(v => {
const cipher = new AES(decode(v.key));
const src = new Uint8Array(16);
cipher.decryptBlock(decode(v.dst), src);
expect(encode(src)).toBe(v.src);
});
});
it("should correctly decrypt many blocks with different keys", function () {
var key = new Uint8Array(32);
var block = new Uint8Array(16);
var newKey = new Uint8Array(32);
for (var i = 0; i < 100; i++) {
var cipher = new aes_1.AES(key);
for (var j = 0; j < 100; j++) {
it("should correctly decrypt many blocks with different keys", () => {
let key = new Uint8Array(32);
let block = new Uint8Array(16);
const newKey = new Uint8Array(32);
for (let i = 0; i < 100; i++) {
const cipher = new AES(key);
for (let j = 0; j < 100; j++) {
cipher.decryptBlock(block, block);

@@ -88,5 +87,5 @@ }

}
expect(hex_1.encode(block)).toBe("551EC0EA8EA69F1FC4EF95E6420AD4B6");
expect(encode(block)).toBe("551EC0EA8EA69F1FC4EF95E6420AD4B6");
});
});
//# sourceMappingURL=aes.test.js.map

17

package.json
{
"name": "@stablelib/aes",
"version": "1.0.1",
"version": "2.0.0",
"description": "AES block cipher (Advanced Encryption Standard)",
"main": "./lib/aes.js",
"type": "module",
"typings": "./lib/aes.d.ts",

@@ -18,15 +19,15 @@ "author": "Dmitry Chestnykh",

"build": "tsc",
"test": "jasmine JASMINE_CONFIG_PATH=../../configs/jasmine.json",
"test": "vitest run",
"bench": "node ./lib/aes.bench.js"
},
"dependencies": {
"@stablelib/binary": "^1.0.1",
"@stablelib/blockcipher": "^1.0.1",
"@stablelib/wipe": "^1.0.1"
"@stablelib/binary": "^2.0.0",
"@stablelib/blockcipher": "^2.0.0",
"@stablelib/wipe": "^2.0.0"
},
"devDependencies": {
"@stablelib/benchmark": "^1.0.1",
"@stablelib/hex": "^1.0.1"
"@stablelib/benchmark": "^2.0.0",
"@stablelib/hex": "^2.0.0"
},
"gitHead": "03dadf27703120d54e6be8436525228ee1c4299b"
"gitHead": "ecfe9109b3c05419fd3ffc16da6c8255b08ad64f"
}

19

tsconfig.json
{
"extends": "../../configs/tsconfig.json",
"compilerOptions": {
"target": "es5",
"module": "commonjs",
"strict": true,
"noUnusedParameters": true,
"noImplicitReturns": true,
"noUnusedLocals": true,
"removeComments": false,
"preserveConstEnums": true,
"moduleResolution": "node",
"newLine": "LF",
"sourceMap": true,
"declaration": true,
"outDir": "lib",
"lib": [
"es5",
"es2015.promise",
"dom",
"scripthost"
]
},

@@ -23,0 +6,0 @@ "exclude": [

lib/aes.bench.js.map

Sorry, the diff of this file is not supported yet

lib/aes.js.map

Sorry, the diff of this file is not supported yet

lib/aes.test.js.map

Sorry, the diff of this file is not supported yet

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