CRYPT_SIGN_MESSAGE_PARA SigParams;
SigParams.cbSize = sizeof(CRYPT_SIGN_MESSAGE_PARA);
SigParams.dwMsgEncodingType = X509_ASN_ENCODING | PKCS_7_ASN_ENCODING;
SigParams.pSigningCert = _message_para->message_para.pSigningCert;
SigParams.HashAlgorithm.pszObjId = szOID_CP_GOST_R3411;
SigParams.HashAlgorithm.Parameters.cbData = NULL;
SigParams.cMsgCert = 0;
SigParams.rgpMsgCert = NULL;
SigParams.cAuthAttr = 0;
SigParams.dwInnerContentType = 0;
SigParams.cMsgCrl = 0;
SigParams.cUnauthAttr = 0;
SigParams.dwFlags = 0;
SigParams.pvHashAuxInfo = NULL;
SigParams.rgAuthAttr = NULL;

BYTE *pbMessage = (BYTE*) "123";
DWORD cbMessage = 3;
const BYTE *pbMessageBuffers[] = {pbMessage};
DWORD cbMessageSizes[] = {cbMessage};

DWORD cbSignature = 0;
if (CryptSignMessage(&SigParams,TRUE, 1, pbMessageBuffers, cbMessageSizes, NULL, &cbSignature)) {
    BYTE *pbSignature = malloc(sizeof(BYTE) * signature_len);
    if (CryptSignMessage(&SigParams,TRUE, 1, pbMessageBuffers, cbMessageSizes, pbSignature, &cbSignature)) {
        printf("ok\n");
    } else {
        free(pbSignature);
        printf("GetLastError - 0x%08x\n", GetLastError()); // 0x0000065b
    }
}