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Add single source of truth for target firmwares.

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This commit is contained in:
Michael Scire 2018-12-17 12:39:35 -08:00
parent fc4912ef54
commit e0f1e637f7
31 changed files with 855 additions and 171 deletions
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48
exosphere/src/smc_user.c
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@ -42,14 +42,14 @@ static uint8_t g_rsausecase_to_cryptousecase[5] = {1, 2, 3, 5, 6};
static bool is_user_keyslot_valid(unsigned int keyslot) {
switch (exosphere_get_target_firmware()) {
case EXOSPHERE_TARGET_FIRMWARE_100:
case EXOSPHERE_TARGET_FIRMWARE_200:
case EXOSPHERE_TARGET_FIRMWARE_300:
case EXOSPHERE_TARGET_FIRMWARE_400:
case EXOSPHERE_TARGET_FIRMWARE_500:
case ATMOSPHERE_TARGET_FIRMWARE_100:
case ATMOSPHERE_TARGET_FIRMWARE_200:
case ATMOSPHERE_TARGET_FIRMWARE_300:
case ATMOSPHERE_TARGET_FIRMWARE_400:
case ATMOSPHERE_TARGET_FIRMWARE_500:
return keyslot <= 3;
case EXOSPHERE_TARGET_FIRMWARE_600:
case EXOSPHERE_TARGET_FIRMWARE_620:
case ATMOSPHERE_TARGET_FIRMWARE_600:
case ATMOSPHERE_TARGET_FIRMWARE_620:
default:
return keyslot <= 5;
}
@ -157,7 +157,7 @@ uint32_t user_generate_aes_kek(smc_args_t *args) {
uint8_t mask_id = (uint8_t)((packed_options >> 1) & 3);
/* Switches the output based on how it will be used. */
uint8_t usecase = (uint8_t)((packed_options >> 5) & (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500 ? 7 : 3));
uint8_t usecase = (uint8_t)((packed_options >> 5) & (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500 ? 7 : 3));
/* Switched the output based on whether it should be console unique. */
bool is_personalized = (int)(packed_options & 1);
@ -165,7 +165,7 @@ uint32_t user_generate_aes_kek(smc_args_t *args) {
bool is_recovery_boot = configitem_is_recovery_boot();
/* 5.0.0+ Bounds checking. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
if (is_personalized) {
if (master_key_rev >= MASTERKEY_REVISION_MAX || (MASTERKEY_REVISION_300 <= master_key_rev && master_key_rev < MASTERKEY_REVISION_400_410)) {
return 2;
@ -219,9 +219,9 @@ uint32_t user_generate_aes_kek(smc_args_t *args) {
unsigned int keyslot;
if (is_personalized) {
/* Behavior changed in 4.0.0, and in 5.0.0. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
keyslot = devkey_get_keyslot(master_key_rev);
} else if (exosphere_get_target_firmware() == EXOSPHERE_TARGET_FIRMWARE_400) {
} else if (exosphere_get_target_firmware() == ATMOSPHERE_TARGET_FIRMWARE_400) {
if (master_key_rev >= 1) {
keyslot = KEYSLOT_SWITCH_DEVICEKEY; /* New device key, 4.x. */
} else {
@ -294,7 +294,7 @@ uint32_t user_crypt_aes(smc_args_t *args) {
uint32_t keyslot = args->X[1] & 3;
uint32_t mode = (args->X[1] >> 4) & 3;
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_600) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_600) {
keyslot = args->X[1] & 7;
}
@ -310,7 +310,7 @@ uint32_t user_crypt_aes(smc_args_t *args) {
return 2;
}
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
/* Disallow dma lists outside of safe range. */
if (in_ll_paddr - 0x80000000 >= 0x3FF7F5) {
return 2;
@ -358,7 +358,7 @@ uint32_t user_generate_specific_aes_key(smc_args_t *args) {
if (master_key_rev > 0) {
master_key_rev -= 1;
}
if (exosphere_get_target_firmware() < EXOSPHERE_TARGET_FIRMWARE_400) {
if (exosphere_get_target_firmware() < ATMOSPHERE_TARGET_FIRMWARE_400) {
master_key_rev = 0;
}
@ -374,9 +374,9 @@ uint32_t user_generate_specific_aes_key(smc_args_t *args) {
unsigned int keyslot;
/* Behavior changed in 5.0.0. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
keyslot = devkey_get_keyslot(master_key_rev);
} else if (exosphere_get_target_firmware() == EXOSPHERE_TARGET_FIRMWARE_400) {
} else if (exosphere_get_target_firmware() == ATMOSPHERE_TARGET_FIRMWARE_400) {
if (master_key_rev >= 1) {
keyslot = KEYSLOT_SWITCH_DEVICEKEY; /* New device key, 4.x. */
} else {
@ -455,7 +455,7 @@ uint32_t user_load_rsa_oaep_key(smc_args_t *args) {
upage_ref_t page_ref;
/* This function no longer exists in 5.x+. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
generic_panic();
}
@ -504,7 +504,7 @@ uint32_t user_decrypt_rsa_private_key(smc_args_t *args) {
upage_ref_t page_ref;
/* This function no longer exists in 5.x+. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
generic_panic();
}
@ -562,7 +562,7 @@ uint32_t user_load_secure_exp_mod_key(smc_args_t *args) {
upage_ref_t page_ref;
/* This function no longer exists in 5.x+. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
generic_panic();
}
@ -618,7 +618,7 @@ uint32_t user_secure_exp_mod(smc_args_t *args) {
void *user_modulus = (void *)args->X[2];
unsigned int exponent_id = 1;
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_500) {
switch (args->X[3]) {
case 0:
exponent_id = 1;
@ -664,7 +664,7 @@ uint32_t user_unwrap_rsa_oaep_wrapped_titlekey(smc_args_t *args) {
unsigned int option = (unsigned int)args->X[7];
unsigned int master_key_rev;
unsigned int titlekey_type;
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_600) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_600) {
master_key_rev = option & 0x3F;
titlekey_type = (option >> 6) & 1;
} else {
@ -676,7 +676,7 @@ uint32_t user_unwrap_rsa_oaep_wrapped_titlekey(smc_args_t *args) {
master_key_rev -= 1;
}
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_300) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_300) {
if (master_key_rev >= MASTERKEY_REVISION_MAX) {
return 2;
}
@ -741,7 +741,7 @@ uint32_t user_unwrap_aes_wrapped_titlekey(smc_args_t *args) {
if (master_key_rev > 0) {
master_key_rev -= 1;
}
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_300) {
if (exosphere_get_target_firmware() >= ATMOSPHERE_TARGET_FIRMWARE_300) {
if (master_key_rev >= MASTERKEY_REVISION_MAX) {
return 2;
}
@ -837,7 +837,7 @@ uint32_t user_decrypt_or_import_rsa_key(smc_args_t *args) {
upage_ref_t page_ref;
/* This function only exists in 5.x+. */
if (exosphere_get_target_firmware() < EXOSPHERE_TARGET_FIRMWARE_500) {
if (exosphere_get_target_firmware() < ATMOSPHERE_TARGET_FIRMWARE_500) {
generic_panic();
}