mirror of
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Rewrite md5.ts with proper TypeScript types
Replace eslint-disable blanket with fully typed implementation: - Add return types to all functions - Use number[] with fill(0) instead of sparse Array() - Add xi() helper to safely index number[] under noUncheckedIndexedAccess - Replace substr with slice Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
creamhead
parent
7f9eb4b258
commit
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2 changed files with 108 additions and 111 deletions
30
main.js
30
main.js
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189
src/md5.ts
189
src/md5.ts
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@ -1,12 +1,9 @@
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// Simple MD5 implementation to avoid NPM package warnings
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-nocheck
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/* eslint-disable */
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export function md5(string: string): string {
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function RotateLeft(lValue: number, iShiftBits: number) {
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function RotateLeft(lValue: number, iShiftBits: number): number {
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return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
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}
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function AddUnsigned(lX: number, lY: number) {
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function AddUnsigned(lX: number, lY: number): number {
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const lX4 = (lX & 0x40000000), lY4 = (lY & 0x40000000);
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const lX8 = (lX & 0x80000000), lY8 = (lY & 0x80000000);
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const lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
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@ -16,50 +13,51 @@ export function md5(string: string): string {
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else return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
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} else return (lResult ^ lX8 ^ lY8);
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}
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function F(x: number, y: number, z: number) { return (x & y) | ((~x) & z); }
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function G(x: number, y: number, z: number) { return (x & z) | (y & (~z)); }
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function H(x: number, y: number, z: number) { return (x ^ y ^ z); }
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function I(x: number, y: number, z: number) { return (y ^ (x | (~z))); }
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function FF(a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
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function F(x: number, y: number, z: number): number { return (x & y) | ((~x) & z); }
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function G(x: number, y: number, z: number): number { return (x & z) | (y & (~z)); }
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function H(x: number, y: number, z: number): number { return (x ^ y ^ z); }
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function I(x: number, y: number, z: number): number { return (y ^ (x | (~z))); }
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function FF(a: number, b: number, c: number, d: number, x: number, s: number, ac: number): number {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function GG(a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
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function GG(a: number, b: number, c: number, d: number, x: number, s: number, ac: number): number {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function HH(a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
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function HH(a: number, b: number, c: number, d: number, x: number, s: number, ac: number): number {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function II(a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
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function II(a: number, b: number, c: number, d: number, x: number, s: number, ac: number): number {
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a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
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return AddUnsigned(RotateLeft(a, s), b);
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}
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function ConvertToWordArray(string: string) {
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let lWordCount;
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const lMessageLength = string.length;
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function ConvertToWordArray(str: string): number[] {
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let lWordCount: number;
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const lMessageLength = str.length;
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const lNumberOfWords_temp1 = lMessageLength + 8;
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const lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
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const lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
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const lWordArray = Array(lNumberOfWords - 1);
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const lWordArray: number[] = new Array<number>(lNumberOfWords).fill(0);
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let lBytePosition = 0;
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let lByteCount = 0;
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while (lByteCount < lMessageLength) {
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lWordCount = (lByteCount - (lByteCount % 4)) / 4;
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lBytePosition = (lByteCount % 4) * 8;
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lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition));
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lWordArray[lWordCount] = (lWordArray[lWordCount] ?? 0) | (str.charCodeAt(lByteCount) << lBytePosition);
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lByteCount++;
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}
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lWordCount = (lByteCount - (lByteCount % 4)) / 4;
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lBytePosition = (lByteCount % 4) * 8;
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lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
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lWordArray[lWordCount] = (lWordArray[lWordCount] ?? 0) | (0x80 << lBytePosition);
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lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
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lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
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return lWordArray;
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}
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function WordToHex(lValue: number) {
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let WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
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function WordToHex(lValue: number): string {
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let WordToHexValue = "", WordToHexValue_temp = "";
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let lByte: number, lCount: number;
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for (lCount = 0; lCount <= 3; lCount++) {
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lByte = (lValue >>> (lCount * 8)) & 255;
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WordToHexValue_temp = "0" + lByte.toString(16);
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@ -67,11 +65,11 @@ export function md5(string: string): string {
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}
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return WordToHexValue;
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}
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function Utf8Encode(string: string) {
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string = string.replace(/\r\n/g, "\n");
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function Utf8Encode(str: string): string {
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str = str.replace(/\r\n/g, "\n");
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let utftext = "";
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for (let n = 0; n < string.length; n++) {
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const c = string.charCodeAt(n);
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for (let n = 0; n < str.length; n++) {
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const c = str.charCodeAt(n);
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if (c < 128) {
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utftext += String.fromCharCode(c);
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} else if ((c > 127) && (c < 2048)) {
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@ -85,86 +83,85 @@ export function md5(string: string): string {
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}
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return utftext;
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}
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let x = [];
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let k, AA, BB, CC, DD, a, b, c, d;
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function xi(x: number[], i: number): number { return x[i] ?? 0; }
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const S11 = 7, S12 = 12, S13 = 17, S14 = 22;
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const S21 = 5, S22 = 9, S23 = 14, S24 = 20;
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const S31 = 4, S32 = 11, S33 = 16, S34 = 23;
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const S41 = 6, S42 = 10, S43 = 15, S44 = 21;
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string = Utf8Encode(string);
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x = ConvertToWordArray(string);
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a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
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for (k = 0; k < x.length; k += 16) {
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const x: number[] = ConvertToWordArray(string);
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let AA: number, BB: number, CC: number, DD: number;
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let a = 0x67452301, b = 0xEFCDAB89, c = 0x98BADCFE, d = 0x10325476;
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for (let k = 0; k < x.length; k += 16) {
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AA = a; BB = b; CC = c; DD = d;
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a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
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d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
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c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
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b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
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a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
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d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
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c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
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b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
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a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
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d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
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c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
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b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
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a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
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d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
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c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
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b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
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a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
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d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
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c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
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b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
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a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
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d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
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c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
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b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
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a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
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d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
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c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
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b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
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a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
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d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
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c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
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b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
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a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
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d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
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c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
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b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
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a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
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d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
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c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
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b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
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a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
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d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
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c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
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b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
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a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
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d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
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c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
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b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
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a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
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d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
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c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
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b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
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a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
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d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
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c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
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b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
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a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
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d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
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c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
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b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
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a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
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d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
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c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
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b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
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a = FF(a, b, c, d, xi(x, k + 0), S11, 0xD76AA478);
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d = FF(d, a, b, c, xi(x, k + 1), S12, 0xE8C7B756);
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c = FF(c, d, a, b, xi(x, k + 2), S13, 0x242070DB);
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b = FF(b, c, d, a, xi(x, k + 3), S14, 0xC1BDCEEE);
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a = FF(a, b, c, d, xi(x, k + 4), S11, 0xF57C0FAF);
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d = FF(d, a, b, c, xi(x, k + 5), S12, 0x4787C62A);
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c = FF(c, d, a, b, xi(x, k + 6), S13, 0xA8304613);
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b = FF(b, c, d, a, xi(x, k + 7), S14, 0xFD469501);
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a = FF(a, b, c, d, xi(x, k + 8), S11, 0x698098D8);
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d = FF(d, a, b, c, xi(x, k + 9), S12, 0x8B44F7AF);
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c = FF(c, d, a, b, xi(x, k + 10), S13, 0xFFFF5BB1);
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b = FF(b, c, d, a, xi(x, k + 11), S14, 0x895CD7BE);
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a = FF(a, b, c, d, xi(x, k + 12), S11, 0x6B901122);
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d = FF(d, a, b, c, xi(x, k + 13), S12, 0xFD987193);
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c = FF(c, d, a, b, xi(x, k + 14), S13, 0xA679438E);
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b = FF(b, c, d, a, xi(x, k + 15), S14, 0x49B40821);
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a = GG(a, b, c, d, xi(x, k + 1), S21, 0xF61E2562);
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d = GG(d, a, b, c, xi(x, k + 6), S22, 0xC040B340);
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c = GG(c, d, a, b, xi(x, k + 11), S23, 0x265E5A51);
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b = GG(b, c, d, a, xi(x, k + 0), S24, 0xE9B6C7AA);
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a = GG(a, b, c, d, xi(x, k + 5), S21, 0xD62F105D);
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d = GG(d, a, b, c, xi(x, k + 10), S22, 0x2441453);
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c = GG(c, d, a, b, xi(x, k + 15), S23, 0xD8A1E681);
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b = GG(b, c, d, a, xi(x, k + 4), S24, 0xE7D3FBC8);
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a = GG(a, b, c, d, xi(x, k + 9), S21, 0x21E1CDE6);
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d = GG(d, a, b, c, xi(x, k + 14), S22, 0xC33707D6);
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c = GG(c, d, a, b, xi(x, k + 3), S23, 0xF4D50D87);
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b = GG(b, c, d, a, xi(x, k + 8), S24, 0x455A14ED);
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a = GG(a, b, c, d, xi(x, k + 13), S21, 0xA9E3E905);
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d = GG(d, a, b, c, xi(x, k + 2), S22, 0xFCEFA3F8);
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c = GG(c, d, a, b, xi(x, k + 7), S23, 0x676F02D9);
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b = GG(b, c, d, a, xi(x, k + 12), S24, 0x8D2A4C8A);
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a = HH(a, b, c, d, xi(x, k + 5), S31, 0xFFFA3942);
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d = HH(d, a, b, c, xi(x, k + 8), S32, 0x8771F681);
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c = HH(c, d, a, b, xi(x, k + 11), S33, 0x6D9D6122);
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b = HH(b, c, d, a, xi(x, k + 14), S34, 0xFDE5380C);
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a = HH(a, b, c, d, xi(x, k + 1), S31, 0xA4BEEA44);
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d = HH(d, a, b, c, xi(x, k + 4), S32, 0x4BDECFA9);
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c = HH(c, d, a, b, xi(x, k + 7), S33, 0xF6BB4B60);
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b = HH(b, c, d, a, xi(x, k + 10), S34, 0xBEBFBC70);
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a = HH(a, b, c, d, xi(x, k + 13), S31, 0x289B7EC6);
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d = HH(d, a, b, c, xi(x, k + 0), S32, 0xEAA127FA);
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c = HH(c, d, a, b, xi(x, k + 3), S33, 0xD4EF3085);
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b = HH(b, c, d, a, xi(x, k + 6), S34, 0x4881D05);
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a = HH(a, b, c, d, xi(x, k + 9), S31, 0xD9D4D039);
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d = HH(d, a, b, c, xi(x, k + 12), S32, 0xE6DB99E5);
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c = HH(c, d, a, b, xi(x, k + 15), S33, 0x1FA27CF8);
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b = HH(b, c, d, a, xi(x, k + 2), S34, 0xC4AC5665);
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a = II(a, b, c, d, xi(x, k + 0), S41, 0xF4292244);
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d = II(d, a, b, c, xi(x, k + 7), S42, 0x432AFF97);
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c = II(c, d, a, b, xi(x, k + 14), S43, 0xAB9423A7);
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b = II(b, c, d, a, xi(x, k + 5), S44, 0xFC93A039);
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a = II(a, b, c, d, xi(x, k + 12), S41, 0x655B59C3);
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d = II(d, a, b, c, xi(x, k + 3), S42, 0x8F0CCC92);
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c = II(c, d, a, b, xi(x, k + 10), S43, 0xFFEFF47D);
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b = II(b, c, d, a, xi(x, k + 1), S44, 0x85845DD1);
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a = II(a, b, c, d, xi(x, k + 8), S41, 0x6FA87E4F);
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d = II(d, a, b, c, xi(x, k + 15), S42, 0xFE2CE6E0);
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c = II(c, d, a, b, xi(x, k + 6), S43, 0xA3014314);
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b = II(b, c, d, a, xi(x, k + 13), S44, 0x4E0811A1);
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a = II(a, b, c, d, xi(x, k + 4), S41, 0xF7537E82);
|
||||
d = II(d, a, b, c, xi(x, k + 11), S42, 0xBD3AF235);
|
||||
c = II(c, d, a, b, xi(x, k + 2), S43, 0x2AD7D2BB);
|
||||
b = II(b, c, d, a, xi(x, k + 9), S44, 0xEB86D391);
|
||||
a = AddUnsigned(a, AA);
|
||||
b = AddUnsigned(b, BB);
|
||||
c = AddUnsigned(c, CC);
|
||||
d = AddUnsigned(d, DD);
|
||||
}
|
||||
const temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
|
||||
return temp.toLowerCase();
|
||||
return (WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d)).toLowerCase();
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue