{"id":119,"date":"2024-10-30T17:45:59","date_gmt":"2024-10-30T09:45:59","guid":{"rendered":"https:\/\/zhoujibin.com\/?p=119"},"modified":"2024-10-30T17:47:32","modified_gmt":"2024-10-30T09:47:32","slug":"%e5%9b%bd%e5%af%86sm2%e5%8a%a0%e5%af%86%e5%8f%8a%e8%a7%a3%e5%af%86%e7%9b%b8%e5%85%b3%e5%b7%a5%e5%85%b7%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/zhoujibin.com\/?p=119","title":{"rendered":"\u56fd\u5bc6SM2\u52a0\u5bc6\u53ca\u89e3\u5bc6\u76f8\u5173\u5de5\u5177\u7c7b"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u5f15\u5165\u4f9d\u8d56<\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code>        &lt;dependency&gt;\n            &lt;groupId&gt;cn.hutool&lt;\/groupId&gt;\n            &lt;artifactId&gt;hutool-all&lt;\/artifactId&gt;\n            &lt;version&gt;5.7.4&lt;\/version&gt;\n        &lt;\/dependency&gt;\n        &lt;dependency&gt;\n            &lt;groupId&gt;org.projectlombok&lt;\/groupId&gt;\n            &lt;artifactId&gt;lombok&lt;\/artifactId&gt;\n            &lt;version&gt;1.16.22&lt;\/version&gt;\n        &lt;\/dependency&gt;\n        &lt;!-- \u9700\u8981\u6839\u636e\u81ea\u5df1\u7684jdk\u7248\u672c\u4e0b\u8f7d\u5bf9\u5e94\u7684\u4f9d\u8d56\uff0c\u5730\u5740\uff1ahttps:\/\/mvnrepository.com\/artifact\/org.bouncycastle --&gt;\n        &lt;dependency&gt;\n            &lt;groupId&gt;org.bouncycastle&lt;\/groupId&gt;\n            &lt;artifactId&gt;bcprov-jdk15on&lt;\/artifactId&gt;\n            &lt;version&gt;1.56&lt;\/version&gt;\n        &lt;\/dependency&gt;<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">\u5de5\u5177\u7c7b<\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.zhoujb.tools.encrytp;\n\nimport cn.hutool.core.lang.Assert;\nimport cn.hutool.core.util.CharsetUtil;\nimport cn.hutool.core.util.StrUtil;\nimport cn.hutool.crypto.SecureUtil;\nimport cn.hutool.crypto.SmUtil;\nimport cn.hutool.crypto.asymmetric.KeyType;\nimport cn.hutool.crypto.asymmetric.SM2;\nimport lombok.extern.slf4j.Slf4j;\n\nimport java.security.KeyPair;\n\n\/**\n * @description: \u56fd\u5bc6\u7b97\u6cd5 sm2 \u52a0\u5bc6\u3001\u89e3\u5bc6\u76f8\u5173\u5de5\u5177\u7c7b\n * @create: 2023\/02\/10 16:41\n *\/\n@Slf4j\npublic class Sm2Utils {\n\n    \/**\n     * \u516c\u94a5\n     *\/\n    private static final String PUBLIC_KEY = \"publicKey\";\n    \/**\n     * \u79c1\u94a5\n     *\/\n    private static final String PRIVATE_KEY = \"privateKey\";\n\n    \/**\n     * \u52a0\u5bc6\u7b97\u6cd5\n     *\/\n    private static final String ALGORITHM = \"SM2\";\n\n    \/**\n     * \u5b9e\u4f8b\u5316 sm2\n     * @return\n     *\/\n    private static SM2 initSm2(String privateKey, String publicKey) {\n        Assert.isTrue(StrUtil.isAllNotBlank(privateKey, publicKey), () -&gt; new RuntimeException(\"\u5b9e\u4f8b\u5316SM2\u65f6\u516c\u94a5\u548c\u5bc6\u94a5\u4e0d\u80fd\u4e3a\u7a7a\"));\n        int keySize = 1024;\n        KeyPair privateKeyPair = SecureUtil.generateKeyPair(ALGORITHM, keySize, StrUtil.bytes(privateKey));\n        KeyPair publicKeyPair = SecureUtil.generateKeyPair(ALGORITHM, keySize, StrUtil.bytes(publicKey));\n        return SmUtil.sm2(privateKeyPair.getPrivate().getEncoded(), publicKeyPair.getPublic().getEncoded());\n    }\n\n    \/**\n     * sm2\u52a0\u5bc6\uff08\u52a0\u5bc6\u5931\u8d25\u8fd4\u56de\u539f\u503c\uff09\n     * @param str\n     * @return\n     *\/\n    public static String encrypt(String str) {\n        return encryptFailToDefault(str, str);\n    }\n\n    \/**\n     * sm2\u89e3\u5bc6\uff08\u52a0\u5bc6\u5931\u8d25\u8fd4\u56de\u539f\u503c\uff09\n     * @param encryptStr\n     * @return\n     *\/\n    public static String decrypt(String encryptStr) {\n        return decryptFailToDefault(encryptStr, encryptStr);\n    }\n\n    \/**\n     * sm2\u52a0\u5bc6\uff08\u52a0\u5bc6\u5931\u8d25\u8fd4\u56de\u6307\u5b9a\u7684\u9ed8\u8ba4\u503c\uff09\n     * @param str\n     * @return\n     *\/\n    public static String encryptFailToDefault(String str, String defaultValue) {\n        try {\n            \/\/ \u516c\u94a5\u52a0\u5bc6\uff0c\u79c1\u94a5\u89e3\u5bc6\n            return initSm2(PUBLIC_KEY, PRIVATE_KEY).encryptBcd(str, KeyType.PublicKey, CharsetUtil.CHARSET_UTF_8);\n        } catch (Exception e) {\n            log.error(\"\u52a0\u5bc6 \u5b57\u7b26\u4e32\uff1a\u3010{}\u3011\u5931\u8d25\uff0c\u5c06\u8fd4\u56de\u9ed8\u8ba4\u503c\uff1a\u3010{}\u3011\uff0c\u9519\u8bef\u8be6\u60c5\uff1a\", str, defaultValue, e);\n            return defaultValue;\n        }\n    }\n\n    \/**\n     * sm2\u89e3\u5bc6\uff08\u52a0\u5bc6\u5931\u8d25\u8fd4\u56de\u6307\u5b9a\u7684\u9ed8\u8ba4\u503c\uff09\n     * @param encryptStr\n     * @return\n     *\/\n    public static String decryptFailToDefault(String encryptStr, String defaultValue) {\n        try {\n            \/\/ \u516c\u94a5\u52a0\u5bc6\uff0c\u79c1\u94a5\u89e3\u5bc6\n            return initSm2(PRIVATE_KEY, PUBLIC_KEY).decryptStrFromBcd(encryptStr, KeyType.PrivateKey, CharsetUtil.CHARSET_UTF_8);\n        } catch (Exception e) {\n            log.error(\"\u89e3\u5bc6 \u5b57\u7b26\u4e32\uff1a\u3010{}\u3011\u5931\u8d25\uff0c\u5c06\u8fd4\u56de\u9ed8\u8ba4\u503c\uff1a\u3010{}\u3011\uff0c\u9519\u8bef\u8be6\u60c5\uff1a\", encryptStr, defaultValue, e);\n            return defaultValue;\n        }\n    }\n\n    \/**\n     * \u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5df2\u7ecf\u52a0\u5bc6\n     * @param str\n     * @return\n     *\/\n    public static boolean hasEncrypt(String str) {\n        if (StrUtil.isBlank(str)) {\n            return false;\n        }\n        \/\/ \u89e3\u5bc6\u6210\u529f\u53ca\u89c6\u4e3a\u5df2\u7ecf\u52a0\u5bc6\uff0c\u89e3\u5bc6\u5931\u8d25\u5373\u89c6\u4e3a\u975e\u52a0\u5bc6\u6570\u636e\uff08\u89e3\u5bc6\u5931\u8d25\u4f1a\u8fd4\u56de\u539f\u6570\u636e\uff09\n        return !StrUtil.equals(str, decrypt(str));\n    }\n}<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">\u6d4b\u8bd5\u6837\u4f8b<\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code>@Test\npublic void test() {\n    \/\/ \u52a0\u5bc6\u6d4b\u8bd5\n    String str = \"123456\";\n    String encryptStr = Sm2Utils.encrypt(str);\n    \/\/ \u7ed3\u679c\uff1a04C43908C3B100127FE70C8BEF62C8B55D50E4D9E93513C594AD404E1A59D0C0F1FCFB397B248BEEB01DB83F7D8DE0F19C323733394EFC3E9EB8A6E501A7B58FA5D54D145D10490BB426815F787E81B0B2D193343D7779FC7CA24FEB11DC83EFA5EC6607347BE5\n    System.out.println(\"encryptStr = \" + encryptStr);\n    \/\/ \u89e3\u5bc6\u6d4b\u8bd5\n    String decryptStr = Sm2Utils.decrypt(encryptStr);\n    \/\/ \u7ed3\u679c\uff1a123456\n    System.out.println(\"decryptStr = \" + decryptStr);\n    \/\/ \u662f\u5426\u52a0\u5bc6\u5224\u65ad\n    str = encryptStr;\n     \/\/ \u7ed3\u679c\uff1atrue\n    System.out.println(\"\u662f\u5426\u65f6\u52a0\u5bc6\u540e\u7684\u5b57\u7b26\u4e32\uff1a\" + Sm2Utils.hasEncrypt(encryptStr));\n    str = \"\u968f\u610f\u5b57\u7b26\u4e32\";\n    \/\/ \u7ed3\u679c\uff1afalse\n    System.out.println(\"\u662f\u5426\u65f6\u52a0\u5bc6\u540e\u7684\u5b57\u7b26\u4e32\uff1a\" + Sm2Utils.hasEncrypt(str));\n}<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">\u53c2\u8003\u8fde\u63a5<\/h1>\n\n\n\n<p><a href=\"https:\/\/www.hutool.cn\/docs\/#\/crypto\/%E5%9B%BD%E5%AF%86%E7%AE%97%E6%B3%95%E5%B7%A5%E5%85%B7-SmUtil\">hutool\u56fd\u5bc6\u7b97\u6cd5\u5de5\u5177-SmUtil<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u5165\u4f9d\u8d56 \u5de5\u5177\u7c7b \u6d4b\u8bd5\u6837\u4f8b \u53c2\u8003\u8fde\u63a5 hutool\u56fd\u5bc6\u7b97\u6cd5\u5de5\u5177-SmUtil<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[25],"class_list":["post-119","post","type-post","status-publish","format-standard","hentry","category-java","tag-25"],"_links":{"self":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/119"}],"collection":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=119"}],"version-history":[{"count":1,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/119\/revisions"}],"predecessor-version":[{"id":120,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/119\/revisions\/120"}],"wp:attachment":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}