OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix smcComputeCmac, generally improve userpage cache usage

Browse Source
This commit is contained in:
Michael Scire
2018-03-08 04:59:00 -08:00
parent ec8f27f1be
commit 8e5228866c
3 changed files with 24 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
exosphere/src/smc_user.c
View File

@@ -355,8 +355,9 @@ uint32_t user_compute_cmac(smc_args_t *args) {
if (upage_init(&page_ref, user_address) == 0 || user_copy_to_secure(&page_ref, user_data, user_address, size) == 0) {
return 2;
}
flush_dcache_range(user_data, user_data + size);
se_compute_aes_128_cmac(keyslot, result_cmac, 0x10, user_data, size);
/* Copy CMAC out. */
@@ -399,6 +400,8 @@ uint32_t user_load_rsa_oaep_key(smc_args_t *args) {
if (upage_init(&page_ref, user_address) == 0 || user_copy_to_secure(&page_ref, user_data, user_address, size) == 0) {
return 2;
}
flush_dcache_range(user_data, user_data + size);
/* Ensure that our private key is 0x100 bytes. */
if (gcm_decrypt_key(user_data, size, user_data, size, sealed_kek, 0x10, wrapped_key, 0x10, CRYPTOUSECASE_RSAOAEP, is_personalized) < 0x100) {
@@ -446,6 +449,8 @@ uint32_t user_decrypt_rsa_private_key(smc_args_t *args) {
if (upage_init(&page_ref, user_address) == 0 || user_copy_to_secure(&page_ref, user_data, user_address, size) == 0) {
return 2;
}
flush_dcache_range(user_data, user_data + size);
size_t out_size;
@@ -494,6 +499,8 @@ uint32_t user_load_secure_exp_mod_key(smc_args_t *args) {
if (upage_init(&page_ref, user_address) == 0 || user_copy_to_secure(&page_ref, user_data, user_address, size) == 0) {
return 2;
}
flush_dcache_range(user_data, user_data + size);
size_t out_size;