wolfssl进行rsa加密

写了点测试代码，记下来

#include "stdafx.h"
#include "iostream"
#include "wolfssl/wolfcrypt/rsa.h"

#pragma comment(lib, "wolfssl.lib")

using namespace std;

int main()
{
	RsaKey enc, enc2;
	int ret;
	RNG rng;
	
	wc_InitRng(&rng);
	ret = wc_InitRsaKey(&enc, NULL);
	if (ret != 0) {
		cout << "wc_InitRsaKey ret " << ret << endl;
		return 0;
	}

	ret = wc_InitRsaKey(&enc2, NULL);
	if (ret != 0) {
		cout << "wc_InitRsaKey ret " << ret << endl;
		return 0;
	}


	word32 idx = 0;
	
	// 解密私钥，使用golang.x509.MarshalPKCS1PrivateKey生成
	byte der[] = { 48,130,2,92,2,1,0,2,129,129,0,222,137,20,25,217,228,50,196,202,63,143,233,102,89,117,226,238,164,36,167,196,1,139,24,143,124,118,119,139,182,191,199,10,206,204,244,21,232,155,138,240,146,29,180,123,73,231,169,122,0,34,92,27,115,123,100,187,166,68,10,166,208,210,131,37,185,242,222,236,110,65,112,211,162,191,9,164,222,228,185,76,104,235,171,29,97,12,111,126,158,158,89,7,72,23,83,155,50,219,237,135,93,122,46,79,214,3,56,204,254,237,115,50,169,169,240,122,100,88,57,45,27,189,101,101,251,183,53,2,3,1,0,1,2,129,128,11,50,214,194,30,70,239,143,27,166,107,53,145,162,250,221,186,168,163,247,149,83,134,142,107,218,21,148,26,129,205,208,212,104,103,195,248,190,69,229,142,9,172,89,2,195,75,87,41,254,139,188,26,221,138,222,28,219,87,29,58,27,212,28,17,104,186,110,211,101,138,241,64,132,12,202,80,5,68,107,124,16,23,193,153,132,69,98,253,219,80,6,14,248,55,124,163,135,247,82,77,254,90,41,93,138,155,252,60,43,49,131,204,228,7,139,194,170,46,180,48,158,146,83,218,103,110,25,2,65,0,233,148,141,146,89,109,236,219,35,145,165,99,173,156,161,16,223,186,192,55,36,201,224,206,122,237,27,70,146,145,6,25,162,53,251,58,7,253,30,226,38,245,11,95,180,115,102,136,136,242,110,248,52,175,7,147,20,207,228,117,145,244,194,195,2,65,0,243,229,34,227,124,118,74,110,155,160,233,86,186,71,169,232,9,170,156,246,31,145,51,114,207,90,30,54,21,214,179,179,194,234,86,91,55,74,156,54,75,8,231,43,212,111,195,58,228,184,231,118,199,246,184,241,232,68,42,183,226,14,14,167,2,64,68,101,33,71,55,52,126,228,115,247,211,203,234,44,48,229,117,253,131,7,34,152,146,97,35,145,134,41,22,5,173,25,152,107,226,18,78,0,138,40,130,107,194,86,213,201,236,190,18,11,154,254,198,190,113,163,89,182,190,24,199,18,58,109,2,65,0,178,255,241,170,41,247,155,75,48,119,89,169,232,79,158,88,137,119,169,121,77,211,192,129,187,194,245,55,86,177,219,243,203,211,55,11,253,57,138,10,162,233,102,216,153,50,105,131,184,200,40,64,218,35,174,187,4,111,187,54,119,247,63,51,2,64,60,232,98,115,149,59,37,75,240,146,46,31,0,247,30,79,177,249,118,123,17,134,126,243,187,66,178,46,94,68,55,94,28,26,175,20,249,134,174,121,101,45,70,212,1,80,213,19,112,89,113,233,201,169,88,37,92,30,194,249,64,149,167,6 };
	ret = wc_RsaPrivateKeyDecode(der, &idx, &enc, sizeof(der));
	if (ret != 0) {
		cout << "wc_RsaPrivateKeyDecode ret " << ret << endl;
		goto end;
	}
	
	// 解密公钥，使用golang.x509.MarshalPKIXPublicKey生成
	idx = 0;
	byte der2[] = { 48,129,159,48,13,6,9,42,134,72,134,247,13,1,1,1,5,0,3,129,141,0,48,129,137,2,129,129,0,222,137,20,25,217,228,50,196,202,63,143,233,102,89,117,226,238,164,36,167,196,1,139,24,143,124,118,119,139,182,191,199,10,206,204,244,21,232,155,138,240,146,29,180,123,73,231,169,122,0,34,92,27,115,123,100,187,166,68,10,166,208,210,131,37,185,242,222,236,110,65,112,211,162,191,9,164,222,228,185,76,104,235,171,29,97,12,111,126,158,158,89,7,72,23,83,155,50,219,237,135,93,122,46,79,214,3,56,204,254,237,115,50,169,169,240,122,100,88,57,45,27,189,101,101,251,183,53,2,3,1,0,1 };
	ret = wc_RsaPublicKeyDecode(der2, &idx, &enc2, sizeof(der2));
	if (ret != 0) {
		cout << "wc_RsaPublicKeyDecode ret " << ret << endl;
		goto end;
	}
	
	byte msg[] = { 1,2,3,4,5 };
	byte out[2048] = {0};
	// 公钥加密
	ret = wc_RsaPublicEncrypt(msg, sizeof(msg), out, sizeof(out), &enc2, &rng);
	if (ret <= 0) {
		cout << "wc_RsaPublicEncrypt ret " << ret << endl;
		goto end;
	}
	cout << "encrypted:" << endl;
	for (int i = 0; i < ret; i++) {
		cout << (int)out[i] << ",";
	}
	cout << endl << "encrypted over" << endl;
end:
	wc_FreeRsaKey(&enc);
    return 0;
}