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337
app/hash/page.tsx
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337
app/hash/page.tsx
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"use client";
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import { useState } from "react";
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import { Lock, FileDigit, Copy, Eraser, Zap } from "lucide-react";
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import { Button } from "@/components/ui/button";
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import { Textarea } from "@/components/ui/textarea";
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import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
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import { toast } from "sonner";
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interface HashResult {
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md5: string;
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sha1: string;
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sha256: string;
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sha512: string;
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}
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export default function HashPage() {
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const [input, setInput] = useState("");
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const [results, setResults] = useState<HashResult | null>(null);
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const [loading, setLoading] = useState(false);
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// MD5 Implementation preserved from original
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const calculateMD5 = async (str: string): Promise<string> => {
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const md5 = (string: string) => {
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const rotateLeft = (x: number, n: number) => (x << n) | (x >>> (32 - n));
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const addUnsigned = (x: number, y: number) => {
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const x4 = x & 0x80000000;
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const y4 = y & 0x80000000;
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const x8 = x & 0x40000000;
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const y8 = y & 0x40000000;
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const result = (x & 0x3fffffff) + (y & 0x3fffffff);
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if (x8 & y8) return result ^ 0x80000000 ^ x4 ^ y4;
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if (x8 | y8) {
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if (result & 0x40000000) return result ^ 0xc0000000 ^ x4 ^ y4;
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else return result ^ 0x40000000 ^ x4 ^ y4;
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} else {
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return result ^ x4 ^ y4;
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}
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};
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const F = (x: number, y: number, z: number) => (x & y) | (~x & z);
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const G = (x: number, y: number, z: number) => (x & z) | (y & ~z);
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const H = (x: number, y: number, z: number) => x ^ y ^ z;
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const I = (x: number, y: number, z: number) => y ^ (x | ~z);
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const FF = (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) =>
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addUnsigned(rotateLeft(addUnsigned(addUnsigned(a, F(b, c, d)), addUnsigned(x, ac)), s), b);
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const GG = (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) =>
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addUnsigned(rotateLeft(addUnsigned(addUnsigned(a, G(b, c, d)), addUnsigned(x, ac)), s), b);
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const HH = (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) =>
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addUnsigned(rotateLeft(addUnsigned(addUnsigned(a, H(b, c, d)), addUnsigned(x, ac)), s), b);
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const II = (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) =>
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addUnsigned(rotateLeft(addUnsigned(addUnsigned(a, I(b, c, d)), addUnsigned(x, ac)), s), b);
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const convertToWordArray = (str: string) => {
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let lWordCount;
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const lMessageLength = str.length;
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const lNumberOfWords = (((lMessageLength + 8) - ((lMessageLength + 8) % 64)) / 64 + 1) * 16;
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const lWordArray = Array(lNumberOfWords - 1).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] | (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[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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const wordToHex = (lValue: number) => {
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let result = "";
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for (let lCount = 0; lCount <= 3; lCount++) {
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const lByte = (lValue >>> (lCount * 8)) & 255;
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result += ("0" + lByte.toString(16)).slice(-2);
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}
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return result;
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};
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const utf8Encode = (str: string) => {
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return unescape(encodeURIComponent(str));
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};
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const x = convertToWordArray(utf8Encode(string));
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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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const AA = a, BB = b, CC = c, DD = d;
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a = FF(a, b, c, d, x[k], 7, 0xd76aa478);
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d = FF(d, a, b, c, x[k + 1], 12, 0xe8c7b756);
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c = FF(c, d, a, b, x[k + 2], 17, 0x242070db);
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b = FF(b, c, d, a, x[k + 3], 22, 0xc1bdceee);
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a = FF(a, b, c, d, x[k + 4], 7, 0xf57c0faf);
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d = FF(d, a, b, c, x[k + 5], 12, 0x4787c62a);
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c = FF(c, d, a, b, x[k + 6], 17, 0xa8304613);
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b = FF(b, c, d, a, x[k + 7], 22, 0xfd469501);
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a = FF(a, b, c, d, x[k + 8], 7, 0x698098d8);
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d = FF(d, a, b, c, x[k + 9], 12, 0x8b44f7af);
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c = FF(c, d, a, b, x[k + 10], 17, 0xffff5bb1);
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b = FF(b, c, d, a, x[k + 11], 22, 0x895cd7be);
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a = FF(a, b, c, d, x[k + 12], 7, 0x6b901122);
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d = FF(d, a, b, c, x[k + 13], 12, 0xfd987193);
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c = FF(c, d, a, b, x[k + 14], 17, 0xa679438e);
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b = FF(b, c, d, a, x[k + 15], 22, 0x49b40821);
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a = GG(a, b, c, d, x[k + 1], 5, 0xf61e2562);
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d = GG(d, a, b, c, x[k + 6], 9, 0xc040b340);
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c = GG(c, d, a, b, x[k + 11], 14, 0x265e5a51);
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b = GG(b, c, d, a, x[k], 20, 0xe9b6c7aa);
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a = GG(a, b, c, d, x[k + 5], 5, 0xd62f105d);
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d = GG(d, a, b, c, x[k + 10], 9, 0x2441453);
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c = GG(c, d, a, b, x[k + 15], 14, 0xd8a1e681);
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b = GG(b, c, d, a, x[k + 4], 20, 0xe7d3fbc8);
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a = GG(a, b, c, d, x[k + 9], 5, 0x21e1cde6);
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d = GG(d, a, b, c, x[k + 14], 9, 0xc33707d6);
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c = GG(c, d, a, b, x[k + 3], 14, 0xf4d50d87);
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b = GG(b, c, d, a, x[k + 8], 20, 0x455a14ed);
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a = GG(a, b, c, d, x[k + 13], 5, 0xa9e3e905);
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d = GG(d, a, b, c, x[k + 2], 9, 0xfcefa3f8);
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c = GG(c, d, a, b, x[k + 7], 14, 0x676f02d9);
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b = GG(b, c, d, a, x[k + 12], 20, 0x8d2a4c8a);
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a = HH(a, b, c, d, x[k + 5], 4, 0xfffa3942);
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d = HH(d, a, b, c, x[k + 8], 11, 0x8771f681);
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c = HH(c, d, a, b, x[k + 11], 16, 0x6d9d6122);
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b = HH(b, c, d, a, x[k + 14], 23, 0xfde5380c);
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a = HH(a, b, c, d, x[k + 1], 4, 0xa4beea44);
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d = HH(d, a, b, c, x[k + 4], 11, 0x4bdecfa9);
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c = HH(c, d, a, b, x[k + 7], 16, 0xf6bb4b60);
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b = HH(b, c, d, a, x[k + 10], 23, 0xbebfbc70);
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a = HH(a, b, c, d, x[k + 13], 4, 0x289b7ec6);
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d = HH(d, a, b, c, x[k], 11, 0xeaa127fa);
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c = HH(c, d, a, b, x[k + 3], 16, 0xd4ef3085);
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b = HH(b, c, d, a, x[k + 6], 23, 0x4881d05);
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a = HH(a, b, c, d, x[k + 9], 4, 0xd9d4d039);
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d = HH(d, a, b, c, x[k + 12], 11, 0xe6db99e5);
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c = HH(c, d, a, b, x[k + 15], 16, 0x1fa27cf8);
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b = HH(b, c, d, a, x[k + 2], 23, 0xc4ac5665);
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a = II(a, b, c, d, x[k], 6, 0xf4292244);
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d = II(d, a, b, c, x[k + 7], 10, 0x432aff97);
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c = II(c, d, a, b, x[k + 14], 15, 0xab9423a7);
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b = II(b, c, d, a, x[k + 5], 21, 0xfc93a039);
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a = II(a, b, c, d, x[k + 12], 6, 0x655b59c3);
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d = II(d, a, b, c, x[k + 3], 10, 0x8f0ccc92);
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c = II(c, d, a, b, x[k + 10], 15, 0xffeff47d);
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b = II(b, c, d, a, x[k + 1], 21, 0x85845dd1);
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a = II(a, b, c, d, x[k + 8], 6, 0x6fa87e4f);
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d = II(d, a, b, c, x[k + 15], 10, 0xfe2ce6e0);
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c = II(c, d, a, b, x[k + 6], 15, 0xa3014314);
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b = II(b, c, d, a, x[k + 13], 21, 0x4e0811a1);
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a = II(a, b, c, d, x[k + 4], 6, 0xf7537e82);
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d = II(d, a, b, c, x[k + 11], 10, 0xbd3af235);
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c = II(c, d, a, b, x[k + 2], 15, 0x2ad7d2bb);
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b = II(b, c, d, a, x[k + 9], 21, 0xeb86d391);
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a = addUnsigned(a, AA);
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b = addUnsigned(b, BB);
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c = addUnsigned(c, CC);
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d = addUnsigned(d, DD);
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}
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return wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d);
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};
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return md5(str);
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};
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const calculateHash = async () => {
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if (!input) {
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toast.warning("请输入要计算哈希的内容");
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return;
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}
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setLoading(true);
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try {
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const encoder = new TextEncoder();
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const data = encoder.encode(input);
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const [sha1, sha256, sha512] = await Promise.all([
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crypto.subtle.digest("SHA-1", data),
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crypto.subtle.digest("SHA-256", data),
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crypto.subtle.digest("SHA-512", data),
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]);
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const md5Hash = await calculateMD5(input);
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const arrayBufferToHex = (buffer: ArrayBuffer): string => {
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return Array.from(new Uint8Array(buffer))
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.map((b) => b.toString(16).padStart(2, "0"))
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.join("");
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};
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setResults({
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md5: md5Hash,
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sha1: arrayBufferToHex(sha1),
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sha256: arrayBufferToHex(sha256),
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sha512: arrayBufferToHex(sha512),
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});
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toast.success("计算完成");
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} catch {
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toast.error("计算失败");
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} finally {
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setLoading(false);
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}
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};
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const copyToClipboard = async (text: string, name: string) => {
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try {
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await navigator.clipboard.writeText(text);
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toast.success(`${name} 已复制`);
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} catch {
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toast.error("复制失败");
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}
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};
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const clearAll = () => {
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setInput("");
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setResults(null);
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};
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const HashResultItem = ({ label, value }: { label: string; value: string }) => (
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<div className="rounded-lg bg-muted p-4 space-y-2">
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<div className="flex items-center justify-between">
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<span className="font-medium text-sm">{label}</span>
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<Button
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variant="ghost"
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size="sm"
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className="h-6 gap-1"
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onClick={() => copyToClipboard(value, label)}
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>
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<Copy className="h-3 w-3" />
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<span className="text-xs">复制</span>
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</Button>
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</div>
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<code className="block break-all font-mono text-sm leading-relaxed bg-background/50 p-2 rounded border">
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{value}
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</code>
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</div>
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);
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return (
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<div className="space-y-6 animate-in fade-in slide-in-from-bottom-4 duration-500">
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{/* Page Header */}
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<div className="flex items-center space-x-4 border-b pb-4">
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<div className="flex h-12 w-12 items-center justify-center rounded-xl bg-linear-to-br from-red-500 to-rose-600 shadow-lg">
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<FileDigit className="h-6 w-6 text-white" />
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</div>
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<div>
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<h1 className="text-2xl font-bold tracking-tight">Hash 计算</h1>
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<p className="text-muted-foreground">
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计算文本的 MD5、SHA1、SHA256、SHA512 哈希值
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</p>
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</div>
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</div>
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<div className="grid gap-6 lg:grid-cols-2">
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<div className="space-y-6">
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<Card className="h-full flex flex-col">
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<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-3">
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<CardTitle className="text-base font-medium">输入文本</CardTitle>
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<div className="flex gap-2">
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<Button onClick={calculateHash} disabled={loading || !input} className="gap-2" size="sm">
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<Zap className="h-4 w-4" />
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{loading ? "计算中..." : "计算哈希"}
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</Button>
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<Button variant="ghost" size="icon" onClick={clearAll} className="h-8 w-8 text-destructive">
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<Eraser className="h-4 w-4" />
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</Button>
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</div>
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</CardHeader>
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<CardContent className="flex-1 min-h-100">
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<Textarea
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value={input}
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onChange={(e) => setInput(e.target.value)}
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placeholder="请输入要计算哈希值的文本..."
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className="h-full min-h-75 resize-none font-mono"
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/>
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</CardContent>
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</Card>
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</div>
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<div className="space-y-6">
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<Card className="h-full flex flex-col">
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<CardHeader className="pb-3">
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<CardTitle className="text-base font-medium flex items-center gap-2">
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<Lock className="h-4 w-4" />
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哈希结果
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</CardTitle>
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</CardHeader>
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<CardContent className="flex-1">
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{results ? (
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<div className="space-y-3">
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<HashResultItem label="MD5 (32位)" value={results.md5} />
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<HashResultItem label="SHA1 (40位)" value={results.sha1} />
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<HashResultItem label="SHA256 (64位)" value={results.sha256} />
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<HashResultItem label="SHA512 (128位)" value={results.sha512} />
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</div>
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) : (
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<div className="flex flex-col items-center justify-center h-full min-h-75 text-muted-foreground">
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<FileDigit className="h-16 w-16 mb-4 opacity-20" />
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<p>输入文本后点击计算哈希</p>
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</div>
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)}
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</CardContent>
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</Card>
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</div>
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</div>
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<Card>
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<CardHeader>
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<CardTitle className="flex items-center gap-2 text-base">
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<span className="text-xl">💡</span> 使用说明
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</CardTitle>
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</CardHeader>
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<CardContent>
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<div className="grid gap-6 md:grid-cols-2">
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<div className="space-y-2">
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<ul className="list-disc pl-4 text-sm text-muted-foreground space-y-1">
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<li>MD5 产生 128 位（16 字节）哈希值，已不推荐用于安全场景</li>
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<li>SHA1 产生 160 位（20 字节）哈希值</li>
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<li>SHA256 产生 256 位（32 字节）哈希值，安全性较高</li>
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</ul>
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</div>
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<div className="space-y-2">
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<ul className="list-disc pl-4 text-sm text-muted-foreground space-y-1">
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<li>SHA512 产生 512 位（64 字节）哈希值，安全性最高</li>
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<li>哈希函数是单向的，无法从哈希值反推原文</li>
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<li>相同输入总是产生相同输出</li>
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</ul>
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</div>
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</div>
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</CardContent>
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</Card>
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</div>
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);
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}
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Reference in New Issue
Block a user