crypt32: Don't keep an unneeded copy of the crypto provider for each signer.

This commit is contained in:
Juan Lang 2007-08-20 17:48:02 -07:00 committed by Alexandre Julliard
parent bfbc159d1e
commit 1f9d9be762
1 changed files with 6 additions and 11 deletions

View File

@ -772,7 +772,6 @@ static void CSignerInfo_Free(CMSG_SIGNER_INFO *info)
typedef struct _CSignerHandles
{
HCRYPTPROV prov;
HCRYPTHASH contentHash;
HCRYPTHASH authAttrHash;
HCRYPTKEY key;
@ -791,8 +790,7 @@ typedef struct _CSignedEncodeMsg
CSignedMsgData msg_data;
} CSignedEncodeMsg;
/* Constructs a CSignerHandles with a copy of crypt_prov (not add-ref'ed - the
* caller must do this if necessary), a hash handle based on HashAlgorithm, and
/* Constructs a CSignerHandles with a hash handle based on HashAlgorithm, and
* an authenticated attributes hash handle if hasAuthAttrs is TRUE.
*/
static BOOL CSignerHandles_Construct(CSignerHandles *handles,
@ -802,12 +800,10 @@ static BOOL CSignerHandles_Construct(CSignerHandles *handles,
ALG_ID algID;
BOOL ret;
handles->prov = crypt_prov;
algID = CertOIDToAlgId(HashAlgorithm->pszObjId);
ret = CryptCreateHash(handles->prov, algID, 0, 0, &handles->contentHash);
ret = CryptCreateHash(crypt_prov, algID, 0, 0, &handles->contentHash);
if (ret && hasAuthAttrs)
ret = CryptCreateHash(handles->prov, algID, 0, 0,
&handles->authAttrHash);
ret = CryptCreateHash(crypt_prov, algID, 0, 0, &handles->authAttrHash);
return ret;
}
@ -820,7 +816,6 @@ static void CSignedMsgData_CloseHandles(CSignedMsgData *msg_data)
CryptDestroyKey(msg_data->signerHandles[i].key);
CryptDestroyHash(msg_data->signerHandles[i].contentHash);
CryptDestroyHash(msg_data->signerHandles[i].authAttrHash);
CryptReleaseContext(msg_data->signerHandles[i].prov, 0);
}
CryptMemFree(msg_data->signerHandles);
}
@ -1214,14 +1209,14 @@ static HCRYPTMSG CSignedEncodeMsg_Open(DWORD dwFlags,
&info->rgSigners[i]);
if (ret)
{
if (!(dwFlags & CMSG_CRYPT_RELEASE_CONTEXT_FLAG))
CryptContextAddRef(info->rgSigners[i].hCryptProv,
NULL, 0);
ret = CSignerHandles_Construct(
&msg->msg_data.signerHandles[i],
info->rgSigners[i].hCryptProv,
&info->rgSigners[i].HashAlgorithm,
info->rgSigners[i].cAuthAttr > 0);
if (dwFlags & CMSG_CRYPT_RELEASE_CONTEXT_FLAG)
CryptReleaseContext(info->rgSigners[i].hCryptProv,
0);
}
}
}