diff options
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/aes_prng.c | 5 | ||||
| -rw-r--r-- | src/aes_prng.h | 6 |
3 files changed, 9 insertions, 3 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 03942157..25766ca0 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -132,6 +132,7 @@ deh_weapon.c # source files needed for FEATURE_MULTIPLAYER FEATURE_MULTIPLAYER_SOURCE_FILES= \ +aes_prng.c aes_prng.h \ net_client.c net_client.h \ net_common.c net_common.h \ net_dedicated.c net_dedicated.h \ diff --git a/src/aes_prng.c b/src/aes_prng.c index 0a68efb5..f6ded3c1 100644 --- a/src/aes_prng.c +++ b/src/aes_prng.c @@ -70,6 +70,7 @@ #include <stdlib.h> #include <string.h> /* for memcmp() */ +#include "aes_prng.h" #include "doomtype.h" #include "i_system.h" @@ -948,7 +949,7 @@ static unsigned int prng_value_index = 0; // Initialize Pseudo-RNG using the specified 128-bit key. -void PRNG_Start(byte *key) +void PRNG_Start(prng_seed_t key) { char *errormsg; @@ -959,7 +960,7 @@ void PRNG_Start(byte *key) I_Error("Failed to initialize PRNG: %s", errormsg); } - AES_SetKey(&prng_context, key, 128 / 8); + AES_SetKey(&prng_context, key, sizeof(prng_seed_t)); prng_value_index = 4; prng_input_counter = 0; prng_enabled = true; diff --git a/src/aes_prng.h b/src/aes_prng.h index c58166b8..4c06f3a3 100644 --- a/src/aes_prng.h +++ b/src/aes_prng.h @@ -28,7 +28,11 @@ #include "doomtype.h" -void PRNG_Start(byte *key); +// Nonce value used as random seed for secure demos. + +typedef byte prng_seed_t[16]; + +void PRNG_Start(prng_seed_t seed); void PRNG_Stop(void); unsigned int PRNG_Random(void); |