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crypt32: The KeyId member of an authority key identifier is an octet string, not an integer.

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This commit is contained in:
Juan Lang 2009-12-02 13:05:28 -08:00 committed by Alexandre Julliard
parent aa737174f0
commit 91fbdb561a
2 changed files with 4 additions and 80 deletions
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41
dlls/crypt32/decode.c
View file

@ -3106,43 +3106,6 @@ static BOOL CRYPT_AsnDecodeAltNameInternal(const BYTE *pbEncoded,
return ret;
}
/* Like CRYPT_AsnDecodeIntegerInternal, but swaps the bytes */
static BOOL CRYPT_AsnDecodeIntegerSwapBytes(const BYTE *pbEncoded,
DWORD cbEncoded, DWORD dwFlags, void *pvStructInfo, DWORD *pcbStructInfo,
DWORD *pcbDecoded)
{
BOOL ret;
TRACE("(%p, %d, 0x%08x, %p, %d, %p)\n", pbEncoded, cbEncoded, dwFlags,
pvStructInfo, *pcbStructInfo, pcbDecoded);
/* Can't use the CRYPT_DECODE_NOCOPY_FLAG, because we modify the bytes in-
* place.
*/
ret = CRYPT_AsnDecodeIntegerInternal(pbEncoded, cbEncoded,
dwFlags & ~CRYPT_DECODE_NOCOPY_FLAG, pvStructInfo, pcbStructInfo,
pcbDecoded);
if (ret && pvStructInfo)
{
CRYPT_DATA_BLOB *blob = pvStructInfo;
if (blob->cbData)
{
DWORD i;
BYTE temp;
for (i = 0; i < blob->cbData / 2; i++)
{
temp = blob->pbData[i];
blob->pbData[i] = blob->pbData[blob->cbData - i - 1];
blob->pbData[blob->cbData - i - 1] = temp;
}
}
}
TRACE("returning %d (%08x)\n", ret, GetLastError());
return ret;
}
static BOOL WINAPI CRYPT_AsnDecodeAuthorityKeyId(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
@ -3153,7 +3116,7 @@ static BOOL WINAPI CRYPT_AsnDecodeAuthorityKeyId(DWORD dwCertEncodingType,
{
struct AsnDecodeSequenceItem items[] = {
{ ASN_CONTEXT | 0, offsetof(CERT_AUTHORITY_KEY_ID_INFO, KeyId),
CRYPT_AsnDecodeIntegerSwapBytes, sizeof(CRYPT_DATA_BLOB),
CRYPT_AsnDecodeOctetsInternal, sizeof(CRYPT_DATA_BLOB),
TRUE, TRUE, offsetof(CERT_AUTHORITY_KEY_ID_INFO, KeyId.pbData), 0 },
{ ASN_CONTEXT | ASN_CONSTRUCTOR| 1,
offsetof(CERT_AUTHORITY_KEY_ID_INFO, CertIssuer),
@ -3188,7 +3151,7 @@ static BOOL WINAPI CRYPT_AsnDecodeAuthorityKeyId2(DWORD dwCertEncodingType,
{
struct AsnDecodeSequenceItem items[] = {
{ ASN_CONTEXT | 0, offsetof(CERT_AUTHORITY_KEY_ID2_INFO, KeyId),
CRYPT_AsnDecodeIntegerSwapBytes, sizeof(CRYPT_DATA_BLOB),
CRYPT_AsnDecodeOctetsInternal, sizeof(CRYPT_DATA_BLOB),
TRUE, TRUE, offsetof(CERT_AUTHORITY_KEY_ID2_INFO, KeyId.pbData), 0 },
{ ASN_CONTEXT | ASN_CONSTRUCTOR| 1,
offsetof(CERT_AUTHORITY_KEY_ID2_INFO, AuthorityCertIssuer),

43
dlls/crypt32/encode.c
View file

@ -2438,45 +2438,6 @@ static BOOL WINAPI CRYPT_AsnEncodeAltNameEntry(DWORD dwCertEncodingType,
return ret;
}
static BOOL WINAPI CRYPT_AsnEncodeIntegerSwapBytes(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
{
BOOL ret;
__TRY
{
const CRYPT_DATA_BLOB *blob = pvStructInfo;
CRYPT_DATA_BLOB newBlob = { blob->cbData, NULL };
ret = TRUE;
if (newBlob.cbData)
{
newBlob.pbData = CryptMemAlloc(newBlob.cbData);
if (newBlob.pbData)
{
DWORD i;
for (i = 0; i < newBlob.cbData; i++)
newBlob.pbData[newBlob.cbData - i - 1] = blob->pbData[i];
}
else
ret = FALSE;
}
if (ret)
ret = CRYPT_AsnEncodeInteger(dwCertEncodingType, lpszStructType,
&newBlob, dwFlags, pEncodePara, pbEncoded, pcbEncoded);
CryptMemFree(newBlob.pbData);
}
__EXCEPT_PAGE_FAULT
{
SetLastError(STATUS_ACCESS_VIOLATION);
ret = FALSE;
}
__ENDTRY
return ret;
}
static BOOL WINAPI CRYPT_AsnEncodeAuthorityKeyId(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const void *pvStructInfo, DWORD dwFlags,
PCRYPT_ENCODE_PARA pEncodePara, BYTE *pbEncoded, DWORD *pcbEncoded)
@ -2495,7 +2456,7 @@ static BOOL WINAPI CRYPT_AsnEncodeAuthorityKeyId(DWORD dwCertEncodingType,
{
swapped[cSwapped].tag = ASN_CONTEXT | 0;
swapped[cSwapped].pvStructInfo = &info->KeyId;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeIntegerSwapBytes;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeOctets;
items[cItem].pvStructInfo = &swapped[cSwapped];
items[cItem].encodeFunc = CRYPT_AsnEncodeSwapTag;
cSwapped++;
@ -2626,7 +2587,7 @@ static BOOL WINAPI CRYPT_AsnEncodeAuthorityKeyId2(DWORD dwCertEncodingType,
{
swapped[cSwapped].tag = ASN_CONTEXT | 0;
swapped[cSwapped].pvStructInfo = &info->KeyId;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeIntegerSwapBytes;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeOctets;
items[cItem].pvStructInfo = &swapped[cSwapped];
items[cItem].encodeFunc = CRYPT_AsnEncodeSwapTag;
cSwapped++;