[skip ci] minor fixup (#72)

1. update README_CN.md
2. indent fixup
This commit is contained in:
Ylarod
2023-01-15 17:05:08 +08:00
committed by GitHub
parent bff4303dbb
commit a30aab1da6
5 changed files with 32 additions and 29 deletions

View File

@@ -5,7 +5,7 @@
#include "klog.h"
static __always_inline int check_v2_signature(char *path, unsigned expected_size,
unsigned expected_hash)
unsigned expected_hash)
{
unsigned char buffer[0x11] = { 0 };
u32 size4;
@@ -67,33 +67,33 @@ static __always_inline int check_v2_signature(char *path, unsigned expected_size
offset = 4;
pr_info("id: 0x%08x\n", id);
if ((id ^ 0xdeadbeefu) == 0xafa439f5u ||
(id ^ 0xdeadbeefu) == 0x2efed62f) {
(id ^ 0xdeadbeefu) == 0x2efed62f) {
kernel_read(fp, &size4, 0x4,
&pos); // signer-sequence length
&pos); // signer-sequence length
kernel_read(fp, &size4, 0x4, &pos); // signer length
kernel_read(fp, &size4, 0x4,
&pos); // signed data length
&pos); // signed data length
offset += 0x4 * 3;
kernel_read(fp, &size4, 0x4,
&pos); // digests-sequence length
&pos); // digests-sequence length
pos += size4;
offset += 0x4 + size4;
kernel_read(fp, &size4, 0x4,
&pos); // certificates length
&pos); // certificates length
kernel_read(fp, &size4, 0x4,
&pos); // certificate length
&pos); // certificate length
offset += 0x4 * 2;
#if 0
int hash = 1;
signed char c;
for (unsigned i = 0; i < size4; ++i) {
kernel_read(fp, &c, 0x1, &pos);
hash = 31 * hash + c;
}
offset += size4;
pr_info(" size: 0x%04x, hash: 0x%08x\n", size4, ((unsigned) hash) ^ 0x14131211u);
int hash = 1;
signed char c;
for (unsigned i = 0; i < size4; ++i) {
kernel_read(fp, &c, 0x1, &pos);
hash = 31 * hash + c;
}
offset += size4;
pr_info(" size: 0x%04x, hash: 0x%08x\n", size4, ((unsigned) hash) ^ 0x14131211u);
#else
if (size4 == expected_size) {
int hash = 1;
@@ -104,7 +104,7 @@ static __always_inline int check_v2_signature(char *path, unsigned expected_size
}
offset += size4;
if ((((unsigned)hash) ^ 0x14131211u) ==
expected_hash) {
expected_hash) {
sign = 0;
break;
}