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crypt32: Test authority key identifier with a multi-byte id to show that its byte-order is swapped and fix encoding and decoding it.

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This commit is contained in:
Juan Lang 2007-08-13 14:29:58 -07:00 committed by Alexandre Julliard
parent ff826eb14a
commit b82bfa3455
3 changed files with 91 additions and 13 deletions
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41
dlls/crypt32/decode.c
View File

@ -2213,6 +2213,43 @@ static BOOL WINAPI CRYPT_AsnDecodeAltNameInternal(DWORD dwCertEncodingType,
return ret;
}
/* Like CRYPT_AsnDecodeIntegerInternal, but swaps the bytes */
static BOOL WINAPI CRYPT_AsnDecodeIntegerSwapBytes(DWORD dwCertEncodingType,
LPCSTR lpszStructType, const BYTE *pbEncoded, DWORD cbEncoded, DWORD dwFlags,
PCRYPT_DECODE_PARA pDecodePara, void *pvStructInfo, DWORD *pcbStructInfo)
{
BOOL ret;
TRACE("(%p, %d, 0x%08x, %p, %p, %d)\n", pbEncoded, cbEncoded, dwFlags,
pDecodePara, pvStructInfo, *pcbStructInfo);
/* Can't use the CRYPT_DECODE_NOCOPY_FLAG, because we modify the bytes in-
* place.
*/
ret = CRYPT_AsnDecodeIntegerInternal(dwCertEncodingType, lpszStructType,
pbEncoded, cbEncoded, dwFlags & ~CRYPT_DECODE_NOCOPY_FLAG, pDecodePara,
pvStructInfo, pcbStructInfo);
if (ret && pvStructInfo)
{
CRYPT_DATA_BLOB *blob = (CRYPT_DATA_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)
@ -2223,7 +2260,7 @@ static BOOL WINAPI CRYPT_AsnDecodeAuthorityKeyId(DWORD dwCertEncodingType,
{
struct AsnDecodeSequenceItem items[] = {
{ ASN_CONTEXT | 0, offsetof(CERT_AUTHORITY_KEY_ID_INFO, KeyId),
CRYPT_AsnDecodeIntegerInternal, sizeof(CRYPT_DATA_BLOB),
CRYPT_AsnDecodeIntegerSwapBytes, 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),
@ -2258,7 +2295,7 @@ static BOOL WINAPI CRYPT_AsnDecodeAuthorityKeyId2(DWORD dwCertEncodingType,
{
struct AsnDecodeSequenceItem items[] = {
{ ASN_CONTEXT | 0, offsetof(CERT_AUTHORITY_KEY_ID2_INFO, KeyId),
CRYPT_AsnDecodeIntegerInternal, sizeof(CRYPT_DATA_BLOB),
CRYPT_AsnDecodeIntegerSwapBytes, 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

@ -2003,6 +2003,45 @@ static BOOL CRYPT_AsnEncodeAltNameEntry(const CERT_ALT_NAME_ENTRY *entry,
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 = (const CRYPT_DATA_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)
@ -2022,7 +2061,7 @@ static BOOL WINAPI CRYPT_AsnEncodeAuthorityKeyId(DWORD dwCertEncodingType,
{
swapped[cSwapped].tag = ASN_CONTEXT | 0;
swapped[cSwapped].pvStructInfo = &info->KeyId;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeInteger;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeIntegerSwapBytes;
items[cItem].pvStructInfo = &swapped[cSwapped];
items[cItem].encodeFunc = CRYPT_AsnEncodeSwapTag;
cSwapped++;
@ -2155,7 +2194,7 @@ static BOOL WINAPI CRYPT_AsnEncodeAuthorityKeyId2(DWORD dwCertEncodingType,
{
swapped[cSwapped].tag = ASN_CONTEXT | 0;
swapped[cSwapped].pvStructInfo = &info->KeyId;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeInteger;
swapped[cSwapped].encodeFunc = CRYPT_AsnEncodeIntegerSwapBytes;
items[cItem].pvStructInfo = &swapped[cSwapped];
items[cItem].encodeFunc = CRYPT_AsnEncodeSwapTag;
cSwapped++;

20
dlls/crypt32/tests/encode.c
View File

@ -4423,7 +4423,9 @@ static void test_decodeEnhancedKeyUsage(DWORD dwEncoding)
}
}
static const BYTE authorityKeyIdWithId[] = { 0x30,0x03,0x80,0x01,0x01 };
static BYTE keyId[] = { 1,2,3,4 };
static const BYTE authorityKeyIdWithId[] = {
0x30,0x06,0x80,0x04,0x01,0x02,0x03,0x04 };
static const BYTE authorityKeyIdWithIssuer[] = { 0x30,0x19,0xa1,0x17,0x30,0x15,
0x31,0x13,0x30,0x11,0x06,0x03,0x55,0x04,0x03,0x13,0x0a,0x4a,0x75,0x61,0x6e,
0x20,0x4c,0x61,0x6e,0x67,0x00 };
@ -4447,8 +4449,8 @@ static void test_encodeAuthorityKeyId(DWORD dwEncoding)
LocalFree(buf);
}
/* With just a key id */
info.KeyId.cbData = sizeof(serialNum);
info.KeyId.pbData = (BYTE *)serialNum;
info.KeyId.cbData = sizeof(keyId);
info.KeyId.pbData = keyId;
ret = CryptEncodeObjectEx(dwEncoding, X509_AUTHORITY_KEY_ID, &info,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(ret, "CryptEncodeObjectEx failed: %08x\n", GetLastError());
@ -4519,8 +4521,8 @@ static void test_decodeAuthorityKeyId(DWORD dwEncoding)
ok(size >= sizeof(CERT_AUTHORITY_KEY_ID_INFO), "Unexpected size %d\n",
size);
ok(info->KeyId.cbData == sizeof(serialNum), "Unexpected key id len\n");
ok(!memcmp(info->KeyId.pbData, serialNum, sizeof(serialNum)),
ok(info->KeyId.cbData == sizeof(keyId), "Unexpected key id len\n");
ok(!memcmp(info->KeyId.pbData, keyId, sizeof(keyId)),
"Unexpected key id\n");
ok(info->CertIssuer.cbData == 0, "Expected no issuer name\n");
ok(info->CertSerialNumber.cbData == 0, "Expected no serial number\n");
@ -4587,8 +4589,8 @@ static void test_encodeAuthorityKeyId2(DWORD dwEncoding)
LocalFree(buf);
}
/* With just a key id */
info.KeyId.cbData = sizeof(serialNum);
info.KeyId.pbData = (BYTE *)serialNum;
info.KeyId.cbData = sizeof(keyId);
info.KeyId.pbData = keyId;
ret = CryptEncodeObjectEx(dwEncoding, X509_AUTHORITY_KEY_ID2, &info,
CRYPT_ENCODE_ALLOC_FLAG, NULL, (BYTE *)&buf, &size);
ok(ret, "CryptEncodeObjectEx failed: %08x\n", GetLastError());
@ -4670,8 +4672,8 @@ static void test_decodeAuthorityKeyId2(DWORD dwEncoding)
ok(size >= sizeof(CERT_AUTHORITY_KEY_ID2_INFO), "Unexpected size %d\n",
size);
ok(info->KeyId.cbData == sizeof(serialNum), "Unexpected key id len\n");
ok(!memcmp(info->KeyId.pbData, serialNum, sizeof(serialNum)),
ok(info->KeyId.cbData == sizeof(keyId), "Unexpected key id len\n");
ok(!memcmp(info->KeyId.pbData, keyId, sizeof(keyId)),
"Unexpected key id\n");
ok(info->AuthorityCertIssuer.cAltEntry == 0,
"Expected no issuer name entries\n");