238 lines
10 KiB
PHP
238 lines
10 KiB
PHP
<?php
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/**
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* func/gmcodec.php —— 国密加解密
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* SM2 非对称加解密 / SM3 摘要 / SM4 对称加解密。
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* 说明：SM1 为国密硬件算法（不公开、依赖专用芯片），无法在浏览器纯软件实现，故未提供。
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*/
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$P = '../';
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require_once dirname(__DIR__) . '/includes/layout.php';
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require_once __DIR__ . '/_bar.php';
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layout_head('国密加解密');
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func_bar('国密加解密');
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?>
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<main class="page-main">
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<div class="wrap page-body">
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<div class="panel-card">
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<p class="tip" style="margin-top:0">支持 SM2 / SM3 / SM4 三种国密算法；SM1 为不公开的硬件算法（需国密芯片），无法纯软件实现。
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SM2/SM4 运算依赖在线加载 <code>sm-crypto</code> 组件（双 CDN），加载失败会明确提示。</p>
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<div class="field-row" style="align-items:center;margin-top:12px">
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<label class="fl" style="margin:0" for="gmAlgo">算法</label>
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<select id="gmAlgo">
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<option value="sm4">SM4（对称加解密）</option>
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<option value="sm2">SM2（非对称加解密）</option>
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<option value="sm3">SM3（摘要，不可逆）</option>
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</select>
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<div class="seg" id="gmDir">
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<button type="button" data-dir="enc" class="active">加密</button>
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<button type="button" data-dir="dec">解密</button>
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</div>
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<button type="button" class="btn btn-primary" id="gmRun">执行</button>
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<button type="button" class="btn" id="gmSwap" title="把输出内容放入输入区">输出 → 输入</button>
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<button type="button" class="btn" id="gmClear">清空</button>
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</div>
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<!-- SM4 参数区 -->
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<div id="gmSm4">
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<div class="field-row" style="margin-top:10px;align-items:center">
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<label class="fl" style="margin:0">密钥（16 字节）</label>
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<input type="text" id="sm4Key" style="flex:1 1 240px;min-width:160px" placeholder="32 位十六进制，或恰好 16 个字符">
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<button type="button" class="btn btn-sm" id="sm4KeyRand">随机密钥</button>
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</div>
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<div class="field-row" style="margin-top:8px;align-items:center">
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<label class="fl" style="margin:0">模式</label>
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<select id="sm4Mode">
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<option value="ecb">ECB</option>
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<option value="cbc">CBC</option>
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</select>
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<input type="text" id="sm4Iv" style="flex:1 1 240px;min-width:160px" placeholder="CBC 模式需 32 位十六进制 IV">
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<button type="button" class="btn btn-sm" id="sm4IvRand">随机 IV</button>
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<label class="fl" style="margin:0">密文格式</label>
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<select id="sm4Out">
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<option value="hex">十六进制</option>
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<option value="b64">Base64</option>
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</select>
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</div>
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</div>
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<!-- SM2 参数区 -->
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<div id="gmSm2" hidden>
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<div class="field-row" style="margin-top:10px;align-items:center">
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<label class="fl" style="margin:0">公钥</label>
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<input type="text" id="sm2Pub" style="flex:1 1 320px;min-width:180px" placeholder="加密时填对方公钥（130 位 hex）">
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<label class="fl" style="margin:0">私钥</label>
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<input type="text" id="sm2Priv" style="flex:1 1 320px;min-width:180px" placeholder="解密时填自己的私钥（130 位 hex）">
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<button type="button" class="btn btn-sm" id="sm2Gen">生成密钥对</button>
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</div>
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<p class="tip" style="margin:8px 0 0">SM2 为非对称算法：<strong>加密用“对方公钥”，解密用“自己私钥”</strong>；同一把私钥导出的公钥可直接用于加密。</p>
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</div>
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<!-- SM3 提示区 -->
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<div id="gmSm3Tip" class="tip" hidden style="margin-top:8px">SM3 输出固定 64 位十六进制摘要（HMAC 场景暂不提供，如需请使用后台维护的其它方案）。</div>
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<div id="gmMsg"></div>
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</div>
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<div class="io-area">
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<div class="io-box">
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<div class="io-label">
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<span>输入区（明文 / 待解密内容，可编辑）</span>
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<button type="button" class="btn btn-sm js-copy" data-target="#gmIn">复制</button>
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</div>
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<textarea id="gmIn" placeholder="SM3：任意文本；SM4/SM2 加密：UTF-8 明文；解密：粘贴密文（十六进制，SM4 亦支持 Base64）"></textarea>
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</div>
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<div class="io-box">
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<div class="io-label">
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<span>输出区（可编辑）</span>
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<button type="button" class="btn btn-sm js-copy" data-target="#gmOut">复制</button>
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</div>
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<textarea id="gmOut" placeholder="结果输出到这里，可手动修改后再次使用"></textarea>
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</div>
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</div>
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</div>
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</main>
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<?php layout_theme_fab(); ?>
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<?php layout_footer(); ?>
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<script src="../assets/js/common.js"></script>
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<script src="../assets/js/gmcrypto.js"></script>
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<script>
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(function () {
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'use strict';
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function $(id) { return document.getElementById(id); }
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var algo = $('gmAlgo');
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var dirButtons = Array.prototype.slice.call(document.querySelectorAll('#gmDir button'));
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var gmIn = $('gmIn');
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var gmOut = $('gmOut');
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var gmMsg = $('gmMsg');
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var panSm4 = $('gmSm4');
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var panSm2 = $('gmSm2');
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var panSm3Tip = $('gmSm3Tip');
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var sm4IvRow = $('sm4Iv');
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var ivRandBtn = $('sm4IvRand');
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function activeDir() {
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var b = dirButtons.filter(function (x) { return x.classList.contains('active'); })[0];
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return b ? b.getAttribute('data-dir') : 'enc';
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}
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function setMsg(text, isErr) {
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gmMsg.innerHTML = '';
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if (!text) return;
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var d = document.createElement('div');
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d.className = isErr ? 'err-msg' : 'ok-msg';
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d.textContent = text;
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gmMsg.appendChild(d);
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}
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function syncUI() {
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var v = algo.value;
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panSm4.hidden = v !== 'sm4';
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panSm2.hidden = v !== 'sm2';
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panSm3Tip.hidden = v !== 'sm3';
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var isHash = v === 'sm3';
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dirButtons.forEach(function (b) {
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b.disabled = isHash;
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if (isHash) b.classList.remove('active');
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});
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if (!isHash && !dirButtons.some(function (x) { return x.classList.contains('active'); })) {
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dirButtons[0].classList.add('active');
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}
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syncIv();
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}
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function syncIv() {
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var cbc = $('sm4Mode').value === 'cbc';
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sm4IvRow.disabled = !cbc;
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ivRandBtn.disabled = !cbc;
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}
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function busy(on) {
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$('gmRun').disabled = on;
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$('gmRun').textContent = on ? '处理中…' : '执行';
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}
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function finish(okText) {
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busy(false);
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setMsg(okText, false);
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}
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function run() {
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var text = gmIn.value;
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if (!text.trim()) { setMsg('请先输入内容', true); gmIn.focus(); return; }
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var v = algo.value;
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var dir = activeDir();
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var G = window.GmCrypto;
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if (v === 'sm3') {
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busy(true);
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setMsg('正在计算 SM3 摘要…', false);
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G.sm3(text).then(function (hex) {
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gmOut.value = hex;
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finish('SM3 摘要计算完成（64 位十六进制）');
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}).catch(function (e) { busy(false); setMsg('SM3 计算失败：' + (e && e.message ? e.message : e), true); });
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return;
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}
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if (v === 'sm4') {
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busy(true);
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setMsg('正在执行 SM4 ' + (dir === 'enc' ? '加密' : '解密') + '…', false);
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G.sm4(text, $('sm4Key').value, $('sm4Mode').value, $('sm4Iv').value, dir === 'enc')
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.then(function (r) {
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if (dir === 'enc') {
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gmOut.value = ($('sm4Out').value === 'b64')
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? G.bytesToB64(G.hexToBytes(r.hex))
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: r.hex;
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finish('SM4 加密完成');
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} else {
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gmOut.value = r.text || '';
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finish('SM4 解密完成');
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}
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})
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.catch(function (e) { busy(false); setMsg('SM4 ' + (dir === 'enc' ? '加密' : '解密') + '失败：' + (e && e.message ? e.message : e), true); });
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return;
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}
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// SM2
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busy(true);
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setMsg('正在执行 SM2 ' + (dir === 'enc' ? '加密' : '解密') + '…', false);
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var p = (dir === 'enc')
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? G.sm2Encrypt(text, $('sm2Pub').value)
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: G.sm2Decrypt(text, $('sm2Priv').value);
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p.then(function (out) {
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gmOut.value = out || '';
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finish('SM2 ' + (dir === 'enc' ? '加密' : '解密') + '完成');
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}).catch(function (e) { busy(false); setMsg('SM2 ' + (dir === 'enc' ? '加密' : '解密') + '失败：' + (e && e.message ? e.message : e), true); });
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}
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// 事件绑定
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algo.addEventListener('change', syncUI);
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dirButtons.forEach(function (b) {
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b.addEventListener('click', function () {
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if (b.disabled) return;
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dirButtons.forEach(function (x) { x.classList.remove('active'); });
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b.classList.add('active');
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});
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});
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$('sm4Mode').addEventListener('change', syncIv);
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$('sm4KeyRand').addEventListener('click', function () { $('sm4Key').value = window.GmCrypto.randomHex(16); });
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ivRandBtn.addEventListener('click', function () { $('sm4Iv').value = window.GmCrypto.randomHex(16); });
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$('sm2Gen').addEventListener('click', function () {
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setMsg('正在生成 SM2 密钥对…', false);
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window.GmCrypto.sm2Key().then(function (kp) {
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$('sm2Pub').value = kp.publicKey;
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$('sm2Priv').value = kp.privateKey;
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setMsg('密钥对已生成，请妥善保存私钥后使用', false);
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}).catch(function (e) { setMsg('密钥对生成失败：' + (e && e.message ? e.message : e), true); });
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});
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$('gmRun').addEventListener('click', run);
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$('gmSwap').addEventListener('click', function () {
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if (gmOut.value) { gmIn.value = gmOut.value; setMsg('已将输出内容回填到输入区', false); }
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});
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$('gmClear').addEventListener('click', function () {
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gmIn.value = ''; gmOut.value = ''; setMsg('', false); gmIn.focus();
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});
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syncUI();
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})();
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</script>
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</body>
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</html>
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