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署名フォーマット変更時のスタック破壊リスク回避。

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1398 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
nakasima 2008-05-19 06:55:26 +00:00
parent e00d081cbf
commit c99728ad74
1 changed files with 2 additions and 2 deletions
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4
build/libraries/fs/ARM9/src/fs_loader.c
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@ -295,7 +295,7 @@ BOOL FS_LoadHeader( SVCSignHeapContext* pool, const void* rsa_key_user, const vo
const void* rsa_key;
SVCSHA1Context ctx;
u8 md[SVC_SHA1_DIGEST_SIZE];
SignatureData sd;
u32 sd[SVC_RSA1024_BLOCK_SIZE/sizeof(u32)];
SVC_SHA1Init( &ctx );
if ( !FS_LoadBuffer( (u8*)rh, FS_HEADER_AUTH_SIZE, &ctx ) )
@ -326,7 +326,7 @@ BOOL FS_LoadHeader( SVCSignHeapContext* pool, const void* rsa_key_user, const vo
// ヘッダ署名チェック
SVC_DecryptSign( pool, &sd, rh->signature, rsa_key );
if ( !CheckDigest( md, sd.digest, TRUE, FALSE ) )
if ( !CheckDigest( md, ((SignatureData*)sd)->digest, TRUE, FALSE ) )
{
MI_CpuClear8( &sd, sizeof(sd) ); // 残り削除 (他に必要なものはない？)
return FALSE;