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[HOS] Use sha256 for kernel hashing

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This commit is contained in:
ctcaer@gmail.com
2019-04-23 18:17:55 +03:00
parent 7c877c5bce
commit 072bbcabf4
6 changed files with 48 additions and 65 deletions
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10
bootloader/hos/hos.c
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@@ -515,15 +515,15 @@ int hos_launch(ini_sec_t *cfg)
if (!ctxt.stock && (ctxt.svcperm || ctxt.debugmode || ctxt.atmosphere))
{
u32 kernel_crc32;
// New Kernel with INI1 takes long to hash with crc32c. Hash kernel only.
u8 kernel_hash[0x20];
// Hash only Kernel when it embeds INI1.
if (!ctxt.new_pkg2)
kernel_crc32 = crc32c(ctxt.kernel, ctxt.kernel_size);
se_calc_sha256(kernel_hash, ctxt.kernel, ctxt.kernel_size);
else
kernel_crc32 = crc32c(ctxt.kernel + PKG2_NEWKERN_START,
se_calc_sha256(kernel_hash, ctxt.kernel + PKG2_NEWKERN_START,
*(u32 *)(ctxt.kernel + PKG2_NEWKERN_INI1_START) - PKG2_NEWKERN_START);
ctxt.pkg2_kernel_id = pkg2_identify(kernel_crc32);
ctxt.pkg2_kernel_id = pkg2_identify(kernel_hash);
// In case a kernel patch option is set; allows to disable SVC verification or/and enable debug mode.
kernel_patch_t *kernel_patchset = ctxt.pkg2_kernel_id->kernel_patchset;