";printf("Original string: %s\n", str); encrypt(str);printf("Encrypted string: %s\n", str); decrypt(str);printf("Decrypted string: %s\n", str);return0; } AI代码助手复制代码 输出结果: Originalstring: Hello, World! Encryptedstring: Khoor, Zruog! Decryptedstring: Hello, World! AI代码...
解析 答案:以上程序定义了两个函数`encrypt`和`decrypt`,分别用于加密和解密字符串。加密是将字符串中的每个字符增加1,解密则是将每个字符减少1。`main`函数中创建了一个字符串`str`,然后调用这两个函数分别进行加密和解密操作,并打印结果。反馈 收藏
1/**习惯把密码明文存在本地文件中,这个小程序可以把存的密码以密文形式保存**/2#include <stdio.h>3#include <string.h>4#include <stdlib.h>5#include 6intchartoasc(charc);7intxor(inti);8charasctochar(inta);9intrand_num();10intencrypt(constchar*org_pass,char*new_pass);11intdecrypt(const...
int myic_DESDecrypt( unsigned char *pDesKey, int nDesKeyLen, unsigned char *pInData, int nInDataLen, unsigned char *pOutData, int *pOutDataLen); int myic_DESEncrypt( unsigned char *pDesKey, int nDesKeyLen, unsigned char *pInData, int nInDataLen, unsigned char *pOutData, int *pOut...
Encrypt and Decrypt String using System; using System.Security.Cryptography; using System.IO; using System.Text; public static class Utility { private static byte[] _bytes = ASCIIEncoding.ASCII.GetBytes("AAAAAAAA"); public static string Encrypt(string originalString) { if (String.IsNullOrEmpty(origi...
std::string Encrypt(std::string content, std::string secretKey) { for (UINT i = 0; i < content.length(); i++) { content[i] ^= secretKey[i % secretKey.length()]; } return content; } std::string Decrypt(std::string data, std::string secretKey) { for (UINT i = 0; i <...
encrypt(plaintext,ciphertext,k); printf("明文%s的密文为:%s\n",plaintext,ciphertext); } elseif(type==2) { //解密 printf("请输入密钥k:\n"); scanf("%d",&k); decrypt(plaintext,ciphertext,k); printf("密文%s的明文为:%s\n",plaintext,ciphertext); ...
在java 上进行 AES128/ECB/PKCS5Padding 加密解密是很简单的 public static String aesDecrypt(String str,String key) throws Exception{ Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); cipher.init(Cipher.DECRYPT_MODE,new SecretKeySpec(Base64.getDecoder().decode(key),"AES")); byte[] ...
if (AES_set_decrypt_key((unsigned char*)key, 128, &aes) < 0) { return 0; } int len = getlen(str_in); //这边是解密接口,使用之前获得的aes秘钥 AES_cbc_encrypt((unsigned char*)str_in, (unsigned char*)out, len, &aes, iv, AES_DECRYPT); ...
(right, temp, 32); return 0;} //加密//参数plaintext为8字节的明文//参数ciphertext为8字节的密文//参数subKeys为16轮子密钥,子密钥为48位int desEncrypt(char plaintext[8], char ciphertext[8], char subKeys[16][48]){ char plainBit[64]; //明文二进制 char rightBit[48]; //作为右半部分...