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Fix async expMod output + smcUnwrapAesWrappedTitlekey

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This commit is contained in:
Michael Scire 2018-03-08 19:48:35 -08:00
parent 7e780301de
commit 1ffa239b5a
4 changed files with 18 additions and 13 deletions
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8
exosphere/src/smc_user.c
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@ -557,8 +557,10 @@ uint32_t user_unwrap_rsa_oaep_wrapped_titlekey(smc_args_t *args) {
void *user_modulus = (void *)args->X[2];
unsigned int master_key_rev = (unsigned int)args->X[7];
if (master_key_rev >= MASTERKEY_REVISION_MAX) {
if (mkey_get_revision() > 0 && master_key_rev >= MASTERKEY_REVISION_MAX) {
return 2;
} else {
master_key_rev = 0;
}
/* Copy user data into secure memory. */
@ -615,8 +617,10 @@ uint32_t user_unwrap_aes_wrapped_titlekey(smc_args_t *args) {
unsigned int master_key_rev = (unsigned int)args->X[3];
if (master_key_rev >= MASTERKEY_REVISION_MAX) {
if (mkey_get_revision() > 0 && master_key_rev >= MASTERKEY_REVISION_MAX) {
return 2;
} else {
master_key_rev = 0;
}
tkey_set_master_key_rev(master_key_rev);