mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-06-02 15:49:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

smcGetRandomFor{User,Priv} Implementations.

Browse source
This commit is contained in:
Michael Scire 2018-02-20 03:19:35 -08:00
parent 34667a65f9
commit cec055a44b
4 changed files with 132 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

16
exosphere/smc_user.c
View file

@ -75,6 +75,22 @@ uint32_t user_exp_mod(smc_args_t *args) {
return 0;
}
uint32_t user_get_random_bytes(smc_args_t *args) {
uint8_t random_bytes[0x40];
if (args->X[1] > 0x38) {
return 2;
}
size_t size = (size_t)args->X[1];
flush_dcache_range(random_bytes, random_bytes + size);
se_generate_random(KEYSLOT_SWITCH_RNGKEY, random_bytes, size);
flush_dcache_range(random_bytes, random_bytes + size);
memcpy(&args->X[1], random_bytes, size);
return 0;
}
uint32_t user_generate_aes_kek(smc_args_t *args) {
uint64_t wrapped_kek[2];
uint8_t kek_source[0x10];