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ACSign_Encryptoで、署名内のハッシュをBERエンコードするかどうかを選択できるよう変更。

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1287 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
yosiokat 2008-05-07 09:19:46 +00:00
parent b9c925a653
commit 06abc12bae
2 changed files with 25 additions and 6 deletions
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28
build/libraries_sysmenu/acsign/ARM9/src/acsign_encrypt.c
View File

@ -84,18 +84,21 @@ static int add_padding(unsigned char *out,
//
// RSA
//
#define SIGN_DATA_ENCODE_BER_LEN 0x0f
#define ACS_ENCRYPTED_SIGN_LEN 128
BOOL ACSign_Encrypto(void *sign, const void *key, const void *data, int length)
BOOL ACSign_Encrypto(void *sign, const void *key, const void *data, int length, BOOL isEncodeBER )
{
BN_CTX *ctx;
BIGNUM src, dst, exp, mod;
u8 buf[ACS_ENCRYPTED_SIGN_LEN];
int len = length;
u8 dataBER[ACS_ENCRYPTED_SIGN_LEN];
BOOL result = TRUE;
KeyParam key_mod;
KeyParam key_prvExp;
const void *pData;
int len;
if (NULL == sign || NULL == key || NULL == data || 0 > length) {
if (NULL == sign || NULL == key || NULL == data || 0 > length || ( ACS_ENCRYPTED_SIGN_LEN - SIGN_DATA_ENCODE_BER_LEN ) < length ) {
return FALSE;
}
@ -103,9 +106,24 @@ BOOL ACSign_Encrypto(void *sign, const void *key, const void *data, int length)
OS_TPrintf( "RSA PrivKey Param get failed.\n" );
return FALSE;
}
if ( add_padding( buf, ACS_ENCRYPTED_SIGN_LEN, data, length ) ) {
if( isEncodeBER ) {
const u8 *pSignDataEncodeBER = (const u8 *)"\x30\x21\x30\x09\x06\x05\x2b\x0e\x03\x02\x1a\x05\x00\x04\x14";
u8 *p = dataBER;
int i;
for( i = 0; i < SIGN_DATA_ENCODE_BER_LEN; i++ ) {
*p++ = pSignDataEncodeBER[ i ];
}
for( i = 0; i < length; i++ ) {
*p++ = ((const u8 *)data)[ i ];
}
pData = dataBER;
length += SIGN_DATA_ENCODE_BER_LEN;
}else {
pData = data;
}
if ( add_padding( buf, ACS_ENCRYPTED_SIGN_LEN, pData, length ) ) {
OS_TPrintf("encode_padding was failed.\n");
result = FALSE;
goto end;

3
include/sysmenu/acsign/ARM9/acsign.h
View File

@ -40,7 +40,8 @@ BOOL ACSign_Encrypto(
void *sign, // 署名出力バッファへのポインタ
const void *key, // DERフォーマット秘密鍵へのポインタ
const void *data, // 署名対象データへのポインタ
int length // 署名対象データ長
int length, // 署名対象データ長
BOOL isEncodeBER // 署名データをDERエンコードするか？
);
//