return NULL;
return SECFailure;
AESKeyWrap_Encrypt(AESKeyWrapContext *cx, unsigned char *output,		   unsigned int *outputLen, unsigned int maxOutputLen,		   const unsigned char *input, unsigned int inputLen){  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())      return NULL;  return vector->p_AESKeyWrap_Encrypt(cx, output, outputLen, maxOutputLen,                                      input, inputLen);}