| | |
| | | byte[] key = "jsimjrby3wqb7dbq".getBytes(StandardCharsets.UTF_8); // 16字节密钥 |
| | | |
| | | // 原始明文 |
| | | String plaintext = "{ \"deviceid\": \"1581F6QAD241500BDZ3J\", \"status\": 1 }"; |
| | | |
| | | String plaintext = "{\n" + |
| | | " \"deviceid\": [\n" + |
| | | " \"1581F5BMD22CK0014H2U\",\n" + |
| | | " \"1581F6QAD241800B6V95\"\n" + |
| | | " ],\n" + |
| | | " \"taskid\": \"b6e89a1e-5e89-4c9b-aa26-00faa4d8f568\",\n" + |
| | | " \"tasklist\": [\n" + |
| | | " {\n" + |
| | | " \"bsm\": \"2028107171717717107171017\",\n" + |
| | | " \"xzqdm\": \"310000\",\n" + |
| | | " \"dkbh\": \"ndbg201102U0172710711\",\n" + |
| | | " \"dklx\": \"ndbg2024\",\n" + |
| | | " \"dkmc\": \"小桥头\",\n" + |
| | | " \"dkmj\": 20.5,\n" + |
| | | " \"dkfw\": \"MULTIPOLYGON(((115.86528871951153 28.625287925196325,115.86561708513025 28.625787612007546,115.86815834948467 28.624602640426623,115.86773004650362 28.62425999804172,115.86528871951153 28.625287925196325)))\",\n" + |
| | | " \"bz\": null\n" + |
| | | " },\n" + |
| | | " {\n" + |
| | | " \"bsm\": \"202810717171777\",\n" + |
| | | " \"xzqdm\": \"310000\",\n" + |
| | | " \"dkbh\": \"ndbg201102U011\",\n" + |
| | | " \"dklx\": \"ndbg2024q\",\n" + |
| | | " \"dkmc\": \"桥头\",\n" + |
| | | " \"dkmj\": 27.5,\n" + |
| | | " \"dkfw\": \"MULTIPOLYGON(((115.8537683547021 28.626198084066036,115.85362014017156 28.625905772075246,115.85325749115422 28.625530171307133,115.8532121556319 28.625552314192735,115.85285649743213 28.625719691357663,115.8526650611681 28.62581016383709,115.85251948537035 28.62587896210428,115.8524159923293 28.625927871721817,115.85236695899066 28.625953724319036,115.85242053528945 28.626032126827145,115.85243919323472 28.626059431385023,115.85258924149208 28.626287013655055,115.85275847878526 28.62654053983997,115.85281562628226 28.62662918289837,115.8537683547021 28.626198084066036)))\",\n" + |
| | | " \"bz\": null\n" + |
| | | " }\n" + |
| | | " ]\n" + |
| | | "}\n"; |
| | | String secert =encrypt(key,plaintext.getBytes()); |
| | | // System.out.println(secert); |
| | | |
| | |
| | | byte[] ming= Base64.getDecoder().decode(secert); |
| | | byte[] text=decrypt(key,ming); |
| | | // System.out.println(new String(text, StandardCharsets.UTF_8)); |
| | | // System.out.println("封装"+encrypt("jsimjrby3wqb7dbq",plaintext)); |
| | | System.out.println(encrypt("jsimjrby3wqb7dbq",plaintext)); |
| | | // System.out.println("封装"+decrypt("jsimjrby3wqb7dbq","9LFnVDdqleTOFcBJT7TSxs788zPH8PicodLb5634SsixHrKNX+ZAgwODPZxvWFNQ")); |
| | | String encryptedBase64 = encrypt(key, plaintext.getBytes(StandardCharsets.UTF_8)); |
| | | // System.out.println("Encrypted (Base64): " + encryptedBase64); |
| | | System.out.println(generateSM4Key()); |
| | | // System.out.println(generateSM4Key()); |
| | | // 直接解密 |
| | | byte[] decoded = Base64.getDecoder().decode(encryptedBase64); |
| | | byte[] decrypted = decrypt(key, decoded); |