62     if (key_id != nullptr) {  in key_id_dup()
97     if (key_id == nullptr) {  in rsa_private_transform()
102     uint8_t* reply = nullptr;  in rsa_private_transform()
111     } else if (reply_len == 0 || reply == nullptr) {  in rsa_private_transform()
151     if (key_id == nullptr) {  in ecdsa_sign()
158     uint8_t* reply = nullptr;  in ecdsa_sign()
165     } else if (reply_len == 0 || reply == nullptr) {  in ecdsa_sign()
188                                         nullptr /* argp */,  in KeystoreEngine()
189                                         nullptr /* new_func */,  in KeystoreEngine()
193                                               nullptr /* argp */,  in KeystoreEngine()
194                                               nullptr /* new_func */,  in KeystoreEngine()
259     if (rsa.get() == nullptr) {  in wrap_rsa()
260         return nullptr;  in wrap_rsa()
264     if (key_id_copy == nullptr) {  in wrap_rsa()
265         return nullptr;  in wrap_rsa()
271         return nullptr;  in wrap_rsa()
276     if (rsa->n == nullptr || rsa->e == nullptr) {  in wrap_rsa()
277         return nullptr;  in wrap_rsa()
281     if (result.get() == nullptr ||  in wrap_rsa()
283         return nullptr;  in wrap_rsa()
295     if (ec.get() == nullptr) {  in wrap_ecdsa()
296         return nullptr;  in wrap_ecdsa()
301         return nullptr;  in wrap_ecdsa()
305     if (key_id_copy == nullptr) {  in wrap_ecdsa()
306         return nullptr;  in wrap_ecdsa()
312         return nullptr;  in wrap_ecdsa()
316     if (result.get() == nullptr ||  in wrap_ecdsa()
318         return nullptr;  in wrap_ecdsa()
340     uint8_t *pubkey = nullptr;  in EVP_PKEY_from_keystore()
345         return nullptr;  in EVP_PKEY_from_keystore()
346     } else if (ret != 0 || pubkey == nullptr) {  in EVP_PKEY_from_keystore()
348         return nullptr;  in EVP_PKEY_from_keystore()
352     bssl::UniquePtr<EVP_PKEY> pkey(d2i_PUBKEY(nullptr, &inp, pubkey_len));  in EVP_PKEY_from_keystore()
353     if (pkey.get() == nullptr) {  in EVP_PKEY_from_keystore()
355         return nullptr;  in EVP_PKEY_from_keystore()
372         result = nullptr;  in EVP_PKEY_from_keystore()