@stablelib/ctr - npm Package Compare versions

Comparing version 1.0.1 to 1.0.2

ctr.test.ts

@@ -31,2 +31,22 @@ // Copyright (C) 2016 Dmitry Chestnykh
 
+    it("should produce correct stream", () => {
+        const cipher = new AES(decode(v.key));
+        const ctr = new CTR(cipher, decode(v.iv));
+        const dst1 = new Uint8Array(decode(v.dst1).length);
+        const src1 = decode(v.src1);
+        ctr.stream(dst1);
+        for (let i = 0; i < dst1.length; i++ ) {
+            dst1[i] ^= src1[i]
+        }
+        expect(encode(dst1)).toBe(v.dst1);
+        // Continue the same stream.
+        const dst2 = new Uint8Array(decode(v.dst2).length);
+        const src2 = decode(v.src2);
+        ctr.stream(dst2);
+        for (let i = 0; i < dst2.length; i++ ) {
+            dst2[i] ^= src2[i]
+        }
+        expect(encode(dst2)).toBe(v.dst2);
+    });
+
     it("should generate succession when calling multiple times", () => {
@@ -33,0 +53,0 @@ const cipher = new AES(decode(v.key));

ctr.ts

@@ -83,3 +83,3 @@ // Copyright (C) 2016 Dmitry Chestnykh
         for (let i = 0; i < dst.length; i++) {
-            if (this._bufpos === this._counter.length) {
+            if (this._bufpos === this._buffer.length) {
                 this.fillBuffer();
@@ -86,0 +86,0 @@ }

lib/ctr.bench.js

@@ -5,13 +5,13 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-var aes_1 = require("@stablelib/aes");
-var benchmark_1 = require("@stablelib/benchmark");
-var ctr_1 = require("./ctr");
-var buf8192 = benchmark_1.byteSeq(8192);
-var buf1111 = benchmark_1.byteSeq(1111);
-var key = benchmark_1.byteSeq(32);
-var iv = new Uint8Array(16);
-var cipher = new aes_1.AES(key);
-var ctr = new ctr_1.CTR(cipher, iv);
-benchmark_1.report("AES-CTR 8K", benchmark_1.benchmark(function () { return ctr.streamXOR(buf8192, buf8192); }, buf8192.length));
-benchmark_1.report("AES-CTR 1111", benchmark_1.benchmark(function () { return ctr.streamXOR(buf1111, buf1111); }, buf1111.length));
+const aes_1 = require("@stablelib/aes");
+const benchmark_1 = require("@stablelib/benchmark");
+const ctr_1 = require("./ctr");
+const buf8192 = (0, benchmark_1.byteSeq)(8192);
+const buf1111 = (0, benchmark_1.byteSeq)(1111);
+const key = (0, benchmark_1.byteSeq)(32);
+const iv = new Uint8Array(16);
+const cipher = new aes_1.AES(key);
+const ctr = new ctr_1.CTR(cipher, iv);
+(0, benchmark_1.report)("AES-CTR 8K", (0, benchmark_1.benchmark)(() => ctr.streamXOR(buf8192, buf8192), buf8192.length));
+(0, benchmark_1.report)("AES-CTR 1111", (0, benchmark_1.benchmark)(() => ctr.streamXOR(buf1111, buf1111), buf1111.length));
 //# sourceMappingURL=ctr.bench.js.map

lib/ctr.js

@@ -5,3 +5,4 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-var wipe_1 = require("@stablelib/wipe");
+exports.CTR = void 0;
+const wipe_1 = require("@stablelib/wipe");
 /**
@@ -13,4 +14,4 @@ * CTR implements counter cipher mode.
  */
-var CTR = /** @class */ (function () {
-    function CTR(cipher, iv) {
+class CTR {
+    constructor(cipher, iv) {
         this._bufpos = 0;
@@ -25,3 +26,3 @@ // Allocate space for counter.
     }
-    CTR.prototype.setCipher = function (cipher, iv) {
+    setCipher(cipher, iv) {
         // Reset this._cipher to prevent reusing the existing one,
@@ -41,6 +42,6 @@ // if this method throws.
         return this;
-    };
-    CTR.prototype.clean = function () {
-        wipe_1.wipe(this._buffer);
-        wipe_1.wipe(this._counter);
+    }
+    clean() {
+        (0, wipe_1.wipe)(this._buffer);
+        (0, wipe_1.wipe)(this._counter);
         this._bufpos = this._buffer.length;
@@ -51,10 +52,10 @@ // Cleaning cipher is caller's responsibility,
         return this;
-    };
-    CTR.prototype.fillBuffer = function () {
+    }
+    fillBuffer() {
         this._cipher.encryptBlock(this._counter, this._buffer);
         this._bufpos = 0;
         incrementCounter(this._counter);
-    };
-    CTR.prototype.streamXOR = function (src, dst) {
-        for (var i = 0; i < src.length; i++) {
+    }
+    streamXOR(src, dst) {
+        for (let i = 0; i < src.length; i++) {
             if (this._bufpos === this._buffer.length) {
@@ -65,6 +66,6 @@ this.fillBuffer();
         }
-    };
-    CTR.prototype.stream = function (dst) {
-        for (var i = 0; i < dst.length; i++) {
-            if (this._bufpos === this._counter.length) {
+    }
+    stream(dst) {
+        for (let i = 0; i < dst.length; i++) {
+            if (this._bufpos === this._buffer.length) {
                 this.fillBuffer();
@@ -74,9 +75,8 @@ }
         }
-    };
-    return CTR;
-}());
+    }
+}
 exports.CTR = CTR;
 function incrementCounter(counter) {
-    var carry = 1;
-    for (var i = counter.length - 1; i >= 0; i--) {
+    let carry = 1;
+    for (let i = counter.length - 1; i >= 0; i--) {
         carry = carry + (counter[i] & 0xff) | 0;
@@ -83,0 +83,0 @@ counter[i] = carry & 0xff;

lib/ctr.test.js

@@ -5,7 +5,7 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-var aes_1 = require("@stablelib/aes");
-var hex_1 = require("@stablelib/hex");
-var ctr_1 = require("./ctr");
-describe("AES-CTR", function () {
-    var v = {
+const aes_1 = require("@stablelib/aes");
+const hex_1 = require("@stablelib/hex");
+const ctr_1 = require("./ctr");
+describe("AES-CTR", () => {
+    const v = {
         key: "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F",
@@ -18,27 +18,46 @@ iv: "202122232425262728292A2B2C2D2E2F",
     };
-    it("should correctly encrypt", function () {
-        var cipher = new aes_1.AES(hex_1.decode(v.key));
-        var ctr = new ctr_1.CTR(cipher, hex_1.decode(v.iv));
-        var dst1 = new Uint8Array(hex_1.decode(v.dst1).length);
-        ctr.streamXOR(hex_1.decode(v.src1), dst1);
-        expect(hex_1.encode(dst1)).toBe(v.dst1);
+    it("should correctly encrypt", () => {
+        const cipher = new aes_1.AES((0, hex_1.decode)(v.key));
+        const ctr = new ctr_1.CTR(cipher, (0, hex_1.decode)(v.iv));
+        const dst1 = new Uint8Array((0, hex_1.decode)(v.dst1).length);
+        ctr.streamXOR((0, hex_1.decode)(v.src1), dst1);
+        expect((0, hex_1.encode)(dst1)).toBe(v.dst1);
         // Continue the same stream.
-        var dst2 = new Uint8Array(hex_1.decode(v.dst2).length);
-        ctr.streamXOR(hex_1.decode(v.src2), dst2);
-        expect(hex_1.encode(dst2)).toBe(v.dst2);
+        const dst2 = new Uint8Array((0, hex_1.decode)(v.dst2).length);
+        ctr.streamXOR((0, hex_1.decode)(v.src2), dst2);
+        expect((0, hex_1.encode)(dst2)).toBe(v.dst2);
     });
-    it("should generate succession when calling multiple times", function () {
-        var cipher = new aes_1.AES(hex_1.decode(v.key));
-        var dst1 = new Uint8Array(100);
-        var dst2 = new Uint8Array(dst1.length);
+    it("should produce correct stream", () => {
+        const cipher = new aes_1.AES((0, hex_1.decode)(v.key));
+        const ctr = new ctr_1.CTR(cipher, (0, hex_1.decode)(v.iv));
+        const dst1 = new Uint8Array((0, hex_1.decode)(v.dst1).length);
+        const src1 = (0, hex_1.decode)(v.src1);
+        ctr.stream(dst1);
+        for (let i = 0; i < dst1.length; i++) {
+            dst1[i] ^= src1[i];
+        }
+        expect((0, hex_1.encode)(dst1)).toBe(v.dst1);
+        // Continue the same stream.
+        const dst2 = new Uint8Array((0, hex_1.decode)(v.dst2).length);
+        const src2 = (0, hex_1.decode)(v.src2);
+        ctr.stream(dst2);
+        for (let i = 0; i < dst2.length; i++) {
+            dst2[i] ^= src2[i];
+        }
+        expect((0, hex_1.encode)(dst2)).toBe(v.dst2);
+    });
+    it("should generate succession when calling multiple times", () => {
+        const cipher = new aes_1.AES((0, hex_1.decode)(v.key));
+        const dst1 = new Uint8Array(100);
+        const dst2 = new Uint8Array(dst1.length);
         // full-length
-        var ctr1 = new ctr_1.CTR(cipher, hex_1.decode(v.iv));
+        const ctr1 = new ctr_1.CTR(cipher, (0, hex_1.decode)(v.iv));
         ctr1.stream(dst1);
         // partial
-        var ctr2 = new ctr_1.CTR(cipher, hex_1.decode(v.iv));
+        const ctr2 = new ctr_1.CTR(cipher, (0, hex_1.decode)(v.iv));
         ctr2.stream(dst2.subarray(0, 50));
         ctr2.stream(dst2.subarray(50));
-        expect(hex_1.encode(dst2)).toEqual(hex_1.encode(dst1));
+        expect((0, hex_1.encode)(dst2)).toEqual((0, hex_1.encode)(dst1));
     });
 });
 //# sourceMappingURL=ctr.test.js.map

package.json

 {
   "name": "@stablelib/ctr",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Counter block cipher mode (CTR)",
@@ -30,3 +30,3 @@ "main": "./lib/ctr.js",
   },
-  "gitHead": "03dadf27703120d54e6be8436525228ee1c4299b"
+  "gitHead": "a402dc74f45c6a93a777a0e2840ce50ba68c3010"
 }

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": [

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Improved metrics

Total package byte prevSize

21156

increased by11.41%

Lines of code

347

increased by6.44%

No dependency changes