我在交换“OpenSSL”和“Windows CryptoAPI”之间的公钥问题。公钥以pem格式从OpenSSL导出。我的程序是用C++编写的。我得到公钥并通过“CryptoAPI”加载它。加载公钥后,我加密一些数据并将它们发送给其他应用程序。另一个应用程序不能通过自己的私钥解密接收到的数据。请帮我找到解决方案。在Windows加密和解密在openssl rsa加密
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDcJXxao6OzesjaM5VnsYTnHWUN
z8dosWEETARH6NOqq+hAoMscsv+2MgT0oOYKLf/c8i37YFXnswEan78QnWYO3jtX
UHfJgXcLcMz7o3lX3OwNqRXgXW6Db95EjPEnLuPCJ2Pafu9E75ZMglkgw9MrIAik
XKL9u2dc9fkbc7FptQIDAQAB
-----END PUBLIC KEY-----
的源代码:
_ServerContextHandle = NULL;
_EncryptionKeyHandle = NULL;
void Initialize(char* inPublicKeyByPemFormat)
{
HCRYPTPROV serverContextHandle;
bool result = CryptAcquireContextW(&serverContextHandle, nullptr, nullptr, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT) == TRUE;
if (result)
{
_ServerContextHandle = serverContextHandle;
byte derPublicKey[2048];
DWORD derPublicKeyLength = 2048;
result = CryptStringToBinaryA(inPublicKeyByPemFormat, 0, CRYPT_STRING_BASE64HEADER, derPublicKey, &derPublicKeyLength, nullptr, nullptr) == TRUE;
CERT_PUBLIC_KEY_INFO* publicKeyInfo = nullptr;
DWORD publicKeyInfoLength;
if(result)
{
result = CryptDecodeObjectEx(X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, X509_PUBLIC_KEY_INFO, derPublicKey, derPublicKeyLength, CRYPT_ENCODE_ALLOC_FLAG, nullptr, &publicKeyInfo, &publicKeyInfoLength) == TRUE;
}
HCRYPTKEY encryptionKeyHandle;
if(result)
{
result = CryptImportPublicKeyInfo(_ServerContextHandle, X509_ASN_ENCODING, publicKeyInfo, &encryptionKeyHandle) == TRUE;
}
LocalFree(publicKeyInfo);
if (result)
{
_EncryptionKeyHandle = encryptionKeyHandle;
}
}
}
byte* EncryptData(byte* inData, DWORD inDataLength, DWORD* outLength) const
{
byte* result = nullptr;
*outLength = 0;
DWORD length = inDataLength;
result = CloneByteArray(inData, inDataLength);
if (!CryptEncrypt(_EncryptionKeyHandle, NULL, TRUE, 0, result, &length, length))
{
delet result;
result = new byte[length];
CopyByteArray(inData, result, inDataLength);
*outLength = inDataLength;
if (!CryptEncrypt(_EncryptionKeyHandle, NULL, TRUE, 0, result, outLength, length))
{
delete result;
result = nullptr;
*outLength = 0;
}
}
else
{
*outLength = length;
}
return result;
}
如果没有必要的信息,我们无法调试,即使我们想调试您的代码(请调试这不是一个问题,这是一个请求帮助)。 –
在第一个if语句中的第二个函数中,您正在删除结果值,但没有正确拼写。 –
你应该在上面的代码中说明失败的位置。是CryptDecodeObjectEx还是CryptImportPublicKeyInfo还是别的?加载后您应该验证公钥。这可能意味着您需要加载测试密钥对以确保正确性。 OpenSSL是大端,CAPI是小端。你应该从[openssl capi rsa endian site:stackoverflow.com](https://www.google.com/search?q=openssl+capi+rsa+endian+site%3Astackoverflow.com)开始。请参阅[将X509 PEM文件加载到Windows CryptoApi](https://stackoverflow.com/q/1231178/608639)。 – jww