64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "zuc256.h"
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// 打印字节数组为十六进制
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void print_hex(const char *label, const uint8_t *data, size_t len) {
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printf("%s: ", label);
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for (size_t i = 0; i < len; i++) {
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printf("%02x ", data[i]);
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}
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printf("\n");
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}
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int main() {
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// 1. 明文
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uint8_t plaintext[] = "ZUC256对称加解密测试:1234567890";
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size_t plaintext_len = strlen((char*)plaintext);
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printf("明文: %s\n", plaintext);
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print_hex("明文(十六进制)", plaintext, plaintext_len);
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// 2. 密钥(32字节ASCII)
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uint8_t key[32] = "0123456789abcdef0123456789abcdef";
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print_hex("密钥", key, 32);
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// 3. 初始向量(25字节ASCII)
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//注:初始向量长度为184bit分布到25个字节中，前面17个初始向量为8bit字节，后面8个初始向量为6bit字节(占据一个字节的低6位)
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uint8_t input_iv_25byte[25] = "0123456789abcdefg01234567";
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uint8_t iv[23];
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extract_iv(input_iv_25byte, iv);
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print_hex("提取后的IV", iv, 23);
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// 4. 分配加密/解密缓冲区
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uint8_t *ciphertext = (uint8_t*)malloc(plaintext_len);
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uint8_t *decryptedtext = (uint8_t*)malloc(plaintext_len);
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if (!ciphertext || !decryptedtext) {
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printf("内存分配失败\n");
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return 1;
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}
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// 5. 加密
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ZUC256_STATE state;
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zuc256_init(&state, key, iv);
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zuc256_crypt(&state, plaintext, plaintext_len, ciphertext);
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print_hex("密文", ciphertext, plaintext_len);
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// 6. 解密(重新初始化状态)
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zuc256_init(&state, key, iv);
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zuc256_crypt(&state, ciphertext, plaintext_len, decryptedtext);
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print_hex("解密后", decryptedtext, plaintext_len);
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printf("解密文本: %s\n", decryptedtext);
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// 7. 验证结果
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if (memcmp(plaintext, decryptedtext, plaintext_len) == 0) {
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printf("=== 测试成功: 解密结果与明文一致 ===\n");
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} else {
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printf("=== 测试失败: 解密结果与明文不一致 ===\n");
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}
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// 8. 释放内存
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free(ciphertext);
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free(decryptedtext);
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return 0;
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} |