22         EFI_RNG_PROTOCOL *rng;  in acquire_rng()  local
29         err = LibLocateProtocol((EFI_GUID*) EFI_RNG_GUID, (void**) &rng);  in acquire_rng()
32         if (!rng)  in acquire_rng()
37         err = rng->GetRNG(rng, NULL, size, data);  in acquire_rng()
47                 const void *rng,  in hash_once()  argument
71         if (rng)  in hash_once()
72                 sha256_process_bytes(rng, size, &hash);  in hash_once()
81                 const void *rng,  in hash_many()  argument
101                 hash_once(old_seed, rng, size,  in hash_many()
112                 const void *rng,  in mangle_random_seed()  argument
137         err = hash_many(old_seed, rng, size, system_token, system_token_size, 0, n, &new_seed);  in mangle_random_seed()
142         err = hash_many(old_seed, rng, size, system_token, system_token_size, n, n, &for_kernel);  in mangle_random_seed()
227 …_cleanup_freepool_ void *seed = NULL, *new_seed = NULL, *rng = NULL, *for_kernel = NULL, *system_t…  in process_random_seed()  local
286         (void) acquire_rng(size, &rng); /* It's fine if this fails */  in process_random_seed()
289 …err = mangle_random_seed(seed, rng, size, system_token, system_token_size, &new_seed, &for_kernel);  in process_random_seed()