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Implement getters for fuse values, fill out smcGetConfig

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This commit is contained in:
Michael Scire 2018-02-25 01:21:52 -08:00
parent b0079e404d
commit 82b4c6763d
8 changed files with 132 additions and 16 deletions
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10
exosphere/smc_user.c
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@ -203,7 +203,7 @@ uint32_t user_load_aes_key(smc_args_t *args) {
wrapped_key[0] = args->X[4];
wrapped_key[1] = args->X[5];
/* TODO: Unseal the kek. */
/* Unseal the kek. */
unseal_key(KEYSLOT_SWITCH_TEMPKEY, sealed_kek, 0x10, CRYPTOUSECASE_AES);
/* Unwrap the key. */
@ -301,7 +301,7 @@ uint32_t user_generate_specific_aes_key(smc_args_t *args) {
keyslot = KEYSLOT_SWITCH_DEVICEKEY;
}
if (0 /* TODO: GET_BOOTROM_PATCH_VERSION < 0x7F */) {
if (fuse_get_bootrom_patch_version() < 0x7F) {
/* On dev units, use a fixed "all-zeroes" seed. */
/* Yes, this data really is all-zero in actual TrustZone .rodata. */
uint8_t dev_specific_aes_key_source[0x10] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
@ -384,7 +384,7 @@ uint32_t user_load_rsa_oaep_key(smc_args_t *args) {
if (is_personalized && size != 0x240) {
return 2;
}
if (!is_personalized && (size != 0x220 /* TODO: || GET_BOOTROM_PATCH_VERSION >= 0x7F */)) {
if (!is_personalized && (size != 0x220 || fuse_get_bootrom_patch_version() >= 0x7F)) {
return 2;
}
@ -431,7 +431,7 @@ uint32_t user_decrypt_rsa_private_key(smc_args_t *args) {
if (is_personalized && size < 0x31) {
return 2;
}
if (!is_personalized && (size < 0x11 /* TODO: || GET_BOOTROM_PATCH_VERSION >= 0x7F */)) {
if (!is_personalized && (size < 0x11 || fuse_get_bootrom_patch_version() >= 0x7F)) {
return 2;
}
@ -479,7 +479,7 @@ uint32_t user_load_secure_exp_mod_key(smc_args_t *args) {
if (is_personalized && size != 0x130) {
return 2;
}
if (!is_personalized && (size != 0x110 /* TODO: || GET_BOOTROM_PATCH_VERSION >= 0x7F */)) {
if (!is_personalized && (size != 0x110 || fuse_get_bootrom_patch_version() >= 0x7F)) {
return 2;
}