调整目录结构

build_tools/Project/Src/Zuc256Demo.java

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+//package com.cscn;
+//
+///**
+// * 演示主函数
+// */
+//public final class Zuc256Demo {
+//
+//    public static void main(String[] args) {
+//        // 1. 明文
+//        byte[] plaintext = "ZUC256对称加解密测试:1234567890".getBytes();
+//        int plaintextLen = plaintext.length;
+//        System.out.println("明文: " + new String(plaintext));
+//        printHex("明文(十六进制)", plaintext, plaintextLen);
+//
+//        // 2. 密钥(32字节ASCII)
+//        byte[] key = "0123456789abcdef0123456789abcdef".getBytes();
+//        printHex("密钥", key, 32);
+//
+//        // 3. 初始向量(25字节ASCII)
+//        byte[] inputIv25Byte = "0123456789abcdefg01234567".getBytes();
+//        byte[] iv = new byte[23];
+//        extractIv(inputIv25Byte, iv);
+//        printHex("提取后的IV", iv, 23);
+//
+//        // 4. 分配加密/解密缓冲区
+//        byte[] ciphertext = new byte[plaintextLen];
+//        byte[] decryptedtext = new byte[plaintextLen];
+//
+//        // 5. 加密
+//        Zuc256State stateEnc = new Zuc256State();
+//        Zuc256Core.initState(stateEnc, key, iv);
+//        zuc256Crypt(stateEnc, plaintext, plaintextLen, ciphertext);
+//        printHex("密文", ciphertext, plaintextLen);
+//
+//        // 6. 解密(重新初始化状态)
+//        Zuc256State stateDec = new Zuc256State();
+//        Zuc256Core.initState(stateDec, key, iv);
+//        zuc256Crypt(stateDec, ciphertext, plaintextLen, decryptedtext);
+//        printHex("解密后", decryptedtext, plaintextLen);
+//        System.out.println("解密文本: " + new String(decryptedtext));
+//
+//        // 7. 验证结果
+//        if (Arrays.equals(plaintext, decryptedtext)) {
+//            System.out.println("=== 测试成功: 解密结果与明文一致 ===");
+//        } else {
+//            System.out.println("=== 测试失败: 解密结果与明文不一致 ===");
+//        }
+//    }
+//
+//    // 一次性加密
+//    public static void zuc256Crypt(Zuc256State state, byte[] in, int inlen, byte[] out) {
+//        if (state == null || in == null || out == null) return;
+//
+//        Zuc256EncryptCtx ctx = new Zuc256EncryptCtx(state);
+//
+//        // 执行加解密
+//        ctx.update(in, inlen, out);
+//        int remainingOffset = (inlen / 4) * 4;
+//        byte[] finishOut = new byte[out.length - remainingOffset];
+//        if (finishOut.length > 0) {
+//            System.arraycopy(out, remainingOffset, finishOut, 0, finishOut.length);
+//        }
+//        ctx.finish(finishOut);
+//        System.arraycopy(finishOut, 0, out, remainingOffset, finishOut.length);
+//    }
+//}