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Fixed CFA handling which broke in commit 046bb359. Fixes #73.

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profi200
2018-07-28 22:17:33 +02:00
parent 9c32ddeb75
commit f585df73a4
2 changed files with 10 additions and 8 deletions
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ctrtool/ctrtool
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ctrtool/ncch.c
+10 -8
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@@ -416,9 +416,10 @@ void ncch_process(ncch_context* ctx, u32 actions)
return;
}
if (getle32(ctx->header.extendedheadersize) != 0x400)
const u32 exheaderSize = getle32(ctx->header.extendedheadersize);
if (exheaderSize != 0x400 && exheaderSize != 0)
{
fprintf(stdout, "Error, exheader is 0x%02x bytes long, expected 0x0400\n", getle32(ctx->header.extendedheadersize));
fprintf(stdout, "Error, exheader is 0x%02x bytes long, expected 0x400 or 0\n", getle32(ctx->header.extendedheadersize));
return;
}
@@ -612,8 +613,9 @@ void ncch_determine_key(ncch_context* ctx, u32 actions)
u8 seedbuf[0x20];
u8* seed;
u8* keyX = NULL;
u8 hash[0x20];
ctr_ncchheader* header = &ctx->header;
u8 hash[0x20] = {0};
ctr_ncchheader* header = &ctx->header;
const u32 exheaderSize = getle32(header->extendedheadersize);
struct sNcchKeyslot
{
u8 x[0x10];
@@ -625,9 +627,9 @@ void ncch_determine_key(ncch_context* ctx, u32 actions)
// Check if the NCCH is already decrypted, by checking if the exheader hash matches
// Otherwise, use determination rules
fseeko64(ctx->file, ncch_get_exheader_offset(ctx), SEEK_SET);
memset(exheader_buffer, 0, 0x400);
fread(exheader_buffer, 1, 0x400, ctx->file);
ctr_sha_256(exheader_buffer, 0x400, hash);
memset(exheader_buffer, 0, exheaderSize);
fread(exheader_buffer, 1, exheaderSize, ctx->file);
ctr_sha_256(exheader_buffer, exheaderSize, hash);
if (!memcmp(hash, header->extendedheaderhash, 32))
{
// exheader hash matches, so probably decrypted
@@ -831,7 +833,7 @@ void ncch_print(ncch_context* ctx)
else
memdump(stdout, "Logo hash (FAIL): ", header->logohash, 0x20);
fprintf(stdout, "Product code: %.16s\n", header->productcode);
fprintf(stdout, "Exheader size: 00000400\n"); //this is always the same
fprintf(stdout, "Exheader size: 0x%x\n", getle32(header->extendedheadersize));
if (ctx->exheaderhashcheck == Unchecked)
memdump(stdout, "Exheader hash: ", header->extendedheaderhash, 0x20);
else if (ctx->exheaderhashcheck == Good)