//rsa.h#ifndef _RSA_H#define_RSA_H#definePRIVATEKEY "key.pem"#definePUBLICKEY "key_pub.pem"intrsa_pub_encrypt(char*str,char*path_key,char**outstr);intrsa_prv_decrypt(char*str,char*path_key,intinlen,char**outstr);#endif //rsa.c#include<stdio.h>#include<stdlib.h>#include<string....
num = RSA_public_encrypt(inlen,(unsigned char *)instr,(unsigned char*)*outstr,rsa_ctx,RSA_PKCS1_PADDING); break; case 2: //prv dec num = RSA_private_decrypt(inlen,(unsigned char *)instr,(unsigned char*)*outstr,rsa_ctx,RSA_PKCS1_PADDING); break; default: break; } if(num == ...
int size = RSA_size(rsa); std::vector<char> encrypt_data; encrypt_data.resize(size); int ret = RSA_public_encrypt( message.length(), (unsigned char*)message.c_str(), (unsigned char*)encrypt_data.data(), rsa, RSA_PKCS1_PADDING); RSA_free(rsa); if (ret == -1) { std::cout ...
// RSA 加密 ///#include<stdio.h>#include<stdlib.h>#include<string.h>#include<errno.h>#include<openssl/rsa.h>#include<openssl/pem.h>#include<openssl/err.h>#include<stdbool.h>#define PATH_TO_PRIVATE_KEY "rsa_private_key.pem"#define PATH_TO_PUBLIC_KEY "rsa_public_key.pem"#define BUF...
使用OpenSSL提供的RSA_public_encrypt函数对数据进行加密。 c const char *plaintext = "Hello, RSA!"; int plaintext_len = strlen(plaintext); unsigned char ciphertext[4096]; // 足够大的缓冲区以存储加密后的数据 int ciphertext_len; // 使用RSA公钥加密数据 ciphertext_len = RSA_public_encrypt(pla...
std::string des_encrypt(const std::string &clearText, const std::string &key) { std::string cipherText; // 密文 DES_cblock keyEncrypt; memset(keyEncrypt, 0, 8); // 构造补齐后的密钥 if (key.length() <= 8) memcpy(keyEncrypt, key.c_str(), key.length()); else mem...
#include<stdio.h>#include<string.h>#include<openssl/rsa.h>#include<openssl/pem.h>#include<openssl/err.h>//公钥加密intmy_encrypt(constchar*input,intinput_len,char*output,int*output_len,constchar*pri_key_fn){RSA*p_rsa=NULL;FILE*file=NULL;intret=0;if((file=fopen(pri_key_fn,"rb"))=...
intkeylen=RSA_size(publicKey);char*buf=newchar[keylen];// 返回的是加密之后的长度。intlengths=RSA_public_encrypt(text.size(),(unsignedchar*)text.data(),(unsignedchar*)buf,publicKey,RSA_PKCS1_PADDING);// 将密文返回std::stringres(buf,lengths);RSA_free(publicKey);returnres;}// 解密std:...
("rsa: {} ",fmt::ptr(rsa));uint8_tbuffer[2048];intret=RSA_private_encrypt((int)plaintext.size(),(constunsignedchar*)plaintext.c_str(),buffer,rsa,RSA_PKCS1_PADDING);if(ret>0){std::string result=Base64Encode(buffer,ret);spdlog::info("encrypted:\n{}",result);}RSA_free(rsa);....
rsa){BIO_free_all(keybio);returnstd::string("");}intlen=RSA_size(rsa);char*encryptedText=(char*)malloc(len+1);memset(encryptedText,0,len+1);// 加密intret=RSA_private_encrypt(clearText.length(),(constunsignedchar*)clearText.c_str(),(unsignedchar*)encryptedText,rsa,RSA_PKCS1_PADDING)...