cryptodata.cpp

完成数字证书加密

#include "cryptoData.h"

CryptoData::CryptoData()
{
}

CryptoData::~CryptoData()
{
}

string CryptoData::encryptoData(string data)
{
	X509_ALGOR *alg=X509_ALGOR_new();
	if (alg->algorithm != NULL)
		ASN1_OBJECT_free(alg->algorithm);
	alg->algorithm=OBJ_nid2obj(NID_rsaEncryption);
	if ((alg->parameter=ASN1_TYPE_new()) == NULL) 
		cout << "error"<<endl;
	alg->parameter->type=V_ASN1_NULL;

	PKCS7* p7 = PKCS7_new();
	assert(p7!=NULL);
	int err = PKCS7_set_type(p7, NID_pkcs7_enveloped);
	const EVP_CIPHER *cipher=NULL;
	if (!cipher) {
		cipher = EVP_des_ede3_cbc();
	}
	err = PKCS7_set_cipher(p7, cipher);

//	PKCS7_RECIP_INFO *info = PKCS7_add_recipient();
	
	X509_ALGOR_free(alg);
}

string CryptoData::decryptoData(string data)
{
}

string CryptoData::readCAconfig(string keyword, string objectName)
{
	string result = "";	
	FILE *fd = fopen(CA_CONFIG_PATH, "r");
	assert(fd != NULL);
	
	if (fd == NULL) {
		result.append("");
	}
	else {
		char *line  = (char*)calloc(1, 1*K);
		string config="";
		while (!feof(fd)) {
			memset(line, 0, 1*K);
			fgets(line, 1*K, fd); 
			config.append(line);
		}
		fclose(fd);
		
		NggObject *object = NggObject::fromXML(config);
		assert( object!=NULL );
		for (int i=0; i<object->m_Contains.size(); i++) {
			if (object->m_Contains[i]->m_Name==keyword) {
				if (keyword == "Root" || keyword == "Operator" || keyword == "Administrator"|| keyword=="SerialNumber") {
					result.append(object->m_Contains[i]->m_Value);	
				}
				else {
					NggObject* nggobject = object->m_Contains[i];
					assert( nggobject!=NULL );
					for (int ii=0; ii<nggobject->m_Contains.size(); ii++) {
						if (nggobject->m_Contains[ii]->m_Name==objectName) {
							result.append(nggobject->m_Contains[ii]->m_Value);	
							break;
						}
					}
					if (nggobject) nggobject=NULL;					
				}
				break;
			}
		}

		if (object) delete object, object=NULL ;
		if (line) free(line), line=NULL;
	}	

	return result;
}