怎么使用16进制编码的RSA公钥进行RSA加密
如何使用16进制编码的RSA公钥进行RSA加密?
java加密方法如下:
在此请教各位高手,用c++ CryptAPI怎么实现以上java代码一样的功能,或者用openssl、crypt++等加密库
问题解决马上结贴(200分),谢谢
------解决方案--------------------
仅供参考
java加密方法如下:
String modeHex = "D548C6267CC503F1E926776A97F8644CAA67167E8FA5D74FD1F4E0BCB3608BD1583E41B102B5B4617E53B90A0C67EA652F8D96B40CFDDA6BC1501432ADCE15E4B5B916568893C94FF3CAC5ED5942FC604BAD1B12DF7683B25C6702BD8CF1BE2F5A4FFC97C82E42FD91E49A6EFF379F5F022F36E5395D64FC9430EEFCAC55F0A5";
String exponentHex = "10001";
KeyFactory factory = KeyFactory.getInstance("RSA");
BigInteger n = new BigInteger(modeHex, 16);
BigInteger e = new BigInteger(exponentHex, 16);
RSAPublicKeySpec spec = new RSAPublicKeySpec(n, e);
RSAPublicKey pub = (RSAPublicKey) factory.generatePublic(spec);
Cipher enc = Cipher.getInstance("RSA");
enc.init(Cipher.ENCRYPT_MODE, pub);
byte[] encryptedContentKey = enc.doFinal(messageg.getBytes("GB2312"));
String result = new String(Hex.encodeHex(encryptedContentKey));
在此请教各位高手,用c++ CryptAPI怎么实现以上java代码一样的功能,或者用openssl、crypt++等加密库
问题解决马上结贴(200分),谢谢
------解决方案--------------------
仅供参考
#pragma comment(lib, "crypt32.lib")
#pragma comment(lib, "advapi32.lib")
#define _WIN32_WINNT 0x0400
#include <stdio.h>
#include <windows.h>
#include <wincrypt.h>
#define MY_ENCODING_TYPE (PKCS_7_ASN_ENCODING
------解决方案--------------------
X509_ASN_ENCODING)
#define KEYLENGTH 0x00800000
void HandleError(char *s);
//--------------------------------------------------------------------
// These additional #define statements are required.
#define ENCRYPT_ALGORITHM CALG_RC4
#define ENCRYPT_BLOCK_SIZE 8
// Declare the function EncryptFile. The function definition
// follows main.
BOOL EncryptFile(
PCHAR szSource,
PCHAR szDestination,
PCHAR szPassword);
//--------------------------------------------------------------------
// Begin main.
void main(void) {
CHAR szSource[100];
CHAR szDestination[100];
CHAR szPassword[100];
printf("Encrypt a file. \n\n");
printf("Enter the name of the file to be encrypted: ");
scanf("%s",szSource);
printf("Enter the name of the output file: ");
scanf("%s",szDestination);
printf("Enter the password:");
scanf("%s",szPassword);
//--------------------------------------------------------------------
// Call EncryptFile to do the actual encryption.
if(EncryptFile(szSource, szDestination, szPassword)) {
printf("Encryption of the file %s was a success. \n", szSource);
printf("The encrypted data is in file %s.\n",szDestination);
} else {
HandleError("Error encrypting file!");
}
} // End of main
//--------------------------------------------------------------------
// Code for the function EncryptFile called by main.
static BOOL EncryptFile(
PCHAR szSource,
PCHAR szDestination,
PCHAR szPassword)
//--------------------------------------------------------------------
// Parameters passed are:
// szSource, the name of the input, a plaintext file.
// szDestination, the name of the output, an encrypted file to be
// created.
// szPassword, the password.
{
//--------------------------------------------------------------------
// Declare and initialize local variables.
FILE *hSource;
FILE *hDestination;
HCRYPTPROV hCryptProv;
HCRYPTKEY hKey;
HCRYPTHASH hHash;
PBYTE pbBuffer;
DWORD dwBlockLen;
DWORD dwBufferLen;
DWORD dwCount;
//--------------------------------------------------------------------
// Open source file.
if(hSource = fopen(szSource,"rb")) {