RSA.zip_VC rsa

#include <iostream> using namespace std; //#include <openssl/applink.c> #include <openssl/ssl.h> #include <openssl/err.h> #include <openssl/bio.h> #pragma comment(lib, "libeay32.lib") #pragma comment(lib, "ssleay32.lib") #include "rsa.h" #include "err.h" #define MODULUS "C8FBCF21" #define PUBLIC_EXPONENT RSA_F4 #define PRIVATE_EXPONENT "97B55D7D" int main() { int ret, flen; BIGNUM *bnn, *bne, *bnd; unsigned char *in = (unsigned char *)"abc"; unsigned char *out; bnn = BN_new(); bne = BN_new(); bnd = BN_new(); BN_hex2bn(&bnn, MODULUS); bne = BN_new(); bnd = BN_new(); BN_hex2bn(&bnn, MODULUS); BN_set_word(bne, PUBLIC_EXPONENT); BN_hex2bn(&bnd, PRIVATE_EXPONENT); RSA *r = RSA_new(); r->n = bnn; r->e = bne; r->d = bnd; RSA_print_fp(stdout, r, 5); flen = RSA_size(r);// - 11; out = (unsigned char *)malloc(flen); //bzero(out, flen); //memset(out, 0, flen); printf("Begin encrypt...\n"); ret = RSA_public_encrypt(flen,in,out,r,RSA_NO_PADDING); if (ret < 0) { printf("Encrypt failed!\n"); return 1; } printf("Size:%d\n", ret); printf("ClearText:%s\n", in); printf("CipherText(Hex):\n"); int i; for (i=0; i<ret; i++) { printf("0x%02x, ", *out); out++; } printf("\n"); //free(out); RSA_free(r); return 0; }