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Add SPC_INDIRECT_DATA_OBJID check to make sure contentType equals to the 

specific value defined in Authenticode PE specification.

Signed-off-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Long Qin <qin.long@intel.com>
Reviewed-by:Dong Guo <guo.dong@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13853 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tye1 2012-10-17 02:13:54 +00:00
parent 3d267c70b2
commit fe5eea5e00
1 changed files with 20 additions and 0 deletions
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20
CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c
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@ -26,6 +26,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <openssl/x509.h>
#include <openssl/pkcs7.h>
//
// OID ASN.1 Value for SPC_INDIRECT_DATA_OBJID
//
UINT8 mSpcIndirectOidValue[] = {
0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x04
};
/**
Verifies the validility of a PE/COFF Authenticode Signature as described in "Windows
@ -70,6 +76,7 @@ AuthenticodeVerify (
UINT8 *SpcIndirectDataContent;
UINT8 Asn1Byte;
UINTN ContentSize;
UINT8 *SpcIndirectDataOid;
//
// Check input parameters.
@ -106,6 +113,19 @@ AuthenticodeVerify (
// some authenticode-specific structure. Use opaque ASN.1 string to retrieve
// PKCS#7 ContentInfo here.
//
SpcIndirectDataOid = (UINT8 *)(Pkcs7->d.sign->contents->type->data);
if (CompareMem (
SpcIndirectDataOid,
mSpcIndirectOidValue,
sizeof (mSpcIndirectOidValue)
) != 0) {
//
// Un-matched SPC_INDIRECT_DATA_OBJID.
//
goto _Exit;
}
SpcIndirectDataContent = (UINT8 *)(Pkcs7->d.sign->contents->d.other->value.asn1_string->data);
//