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Commit d91ba25a authored by Michael Jung's avatar Michael Jung Committed by Alexandre Julliard
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Avoid code duplication by moving handle lookup into get_algid_info.

parent 8a6295a0
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Showing with 23 additions and 67 deletions
dlls/rsaenh/rsaenh.c
View file @ d91ba25a
......@@ -343,20 +343,27 @@ static inline BOOL copy_param(
* Query CSP capabilities for a given crypto algorithm.
*
* PARAMS
* pKeyContainer [I] Pointer to a key container of the CSP whose capabilities are to be queried.
* algid [I] Identifier of the crypto algorithm about which information is requested.
* hProv [I] Handle to a key container of the CSP whose capabilities are to be queried.
* algid [I] Identifier of the crypto algorithm about which information is requested.
*
* RETURNS
* Success: Pointer to a PROV_ENUMALGS_EX struct containing information about the crypto algorithm.
* Failure: NULL (algid not supported)
*/
static inline const PROV_ENUMALGS_EX* get_algid_info(KEYCONTAINER *pKeyContainer, ALG_ID algid) {
static inline const PROV_ENUMALGS_EX* get_algid_info(HCRYPTPROV hProv, ALG_ID algid) {
PROV_ENUMALGS_EX *iterator;
KEYCONTAINER *pKeyContainer;
if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer)) {
SetLastError(NTE_BAD_UID);
return NULL;
}
for (iterator = aProvEnumAlgsEx[pKeyContainer->dwPersonality]; iterator->aiAlgid; iterator++) {
if (iterator->aiAlgid == algid) return iterator;
}
SetLastError(NTE_BAD_ALGID);
return NULL;
}
......@@ -445,7 +452,6 @@ static void destroy_hash(OBJECTHDR *pCryptHash)
* Initialize (or reset) a hash object
*
* PARAMS
* pKeyContainer [I] Pointer to the key container the hash object belongs to.
* pCryptHash [I] The hash object to be initialized.
*/
static inline BOOL init_hash(CRYPTHASH *pCryptHash) {
......@@ -456,19 +462,9 @@ static inline BOOL init_hash(CRYPTHASH *pCryptHash) {
case CALG_HMAC:
if (pCryptHash->pHMACInfo) {
const PROV_ENUMALGS_EX *pAlgInfo;
KEYCONTAINER *pKeyContainer;
if (!lookup_handle(&handle_table, pCryptHash->hProv, RSAENH_MAGIC_CONTAINER,
(OBJECTHDR**)&pKeyContainer))
{
SetLastError(NTE_FAIL);
return FALSE;
}
pAlgInfo = get_algid_info(pKeyContainer, pCryptHash->pHMACInfo->HashAlgid);
if (!pAlgInfo) {
SetLastError(NTE_BAD_ALGID);
return FALSE;
}
pAlgInfo = get_algid_info(pCryptHash->hProv, pCryptHash->pHMACInfo->HashAlgid);
if (!pAlgInfo) return FALSE;
pCryptHash->dwHashSize = pAlgInfo->dwDefaultLen >> 3;
init_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context);
update_hash_impl(pCryptHash->pHMACInfo->HashAlgid, &pCryptHash->context,
......@@ -616,26 +612,16 @@ static inline void setup_key(CRYPTKEY *pCryptKey) {
*/
static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTKEY **ppCryptKey)
{
KEYCONTAINER *pKeyContainer;
HCRYPTKEY hCryptKey;
CRYPTKEY *pCryptKey;
DWORD dwKeyLen = HIWORD(dwFlags);
const PROV_ENUMALGS_EX *peaAlgidInfo;
if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer))
{
SetLastError(NTE_BAD_UID);
return (HCRYPTKEY)INVALID_HANDLE_VALUE;
}
/*
* Retrieve the CSP's capabilities for the given ALG_ID value
*/
peaAlgidInfo = get_algid_info(pKeyContainer, aiAlgid);
if (!peaAlgidInfo) {
SetLastError(NTE_BAD_ALGID);
return (HCRYPTKEY)INVALID_HANDLE_VALUE;
}
peaAlgidInfo = get_algid_info(hProv, aiAlgid);
if (!peaAlgidInfo) return (HCRYPTKEY)INVALID_HANDLE_VALUE;
/*
* Assume the default key length, if none is specified explicitly
......@@ -1149,25 +1135,14 @@ BOOL WINAPI RSAENH_CPAcquireContext(HCRYPTPROV *phProv, LPSTR pszContainer,
BOOL WINAPI RSAENH_CPCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey, DWORD dwFlags,
HCRYPTHASH *phHash)
{
KEYCONTAINER *pKeyContainer;
CRYPTHASH *pCryptHash;
const PROV_ENUMALGS_EX *peaAlgidInfo;
TRACE("(hProv=%08lx, Algid=%08x, hKey=%08lx, dwFlags=%08lx, phHash=%p)\n", hProv, Algid, hKey,
dwFlags, phHash);
if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer))
{
SetLastError(NTE_BAD_UID);
return FALSE;
}
peaAlgidInfo = get_algid_info(pKeyContainer, Algid);
if (!peaAlgidInfo)
{
SetLastError(NTE_BAD_ALGID);
return FALSE;
}
peaAlgidInfo = get_algid_info(hProv, Algid);
if (!peaAlgidInfo) return FALSE;
if (dwFlags)
{
......@@ -1806,7 +1781,6 @@ BOOL WINAPI RSAENH_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubK
BOOL WINAPI RSAENH_CPImportKey(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen,
HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
{
KEYCONTAINER *pKeyContainer;
CRYPTKEY *pCryptKey, *pPubKey;
CONST BLOBHEADER *pBlobHeader = (CONST BLOBHEADER*)pbData;
CONST RSAPUBKEY *pRSAPubKey = (CONST RSAPUBKEY*)(pBlobHeader+1);
......@@ -1818,7 +1792,7 @@ BOOL WINAPI RSAENH_CPImportKey(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDat
TRACE("(hProv=%08lx, pbData=%p, dwDataLen=%ld, hPubKey=%08lx, dwFlags=%08lx, phKey=%p)\n",
hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
if (!lookup_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER, (OBJECTHDR**)&pKeyContainer))
if (!is_valid_handle(&handle_table, hProv, RSAENH_MAGIC_CONTAINER))
{
SetLastError(NTE_BAD_UID);
return FALSE;
......@@ -2031,12 +2005,9 @@ BOOL WINAPI RSAENH_CPGenKey(HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYP
*/
BOOL WINAPI RSAENH_CPGenRandom(HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
{
KEYCONTAINER *pKeyContainer;
TRACE("(hProv=%08lx, dwLen=%ld, pbBuffer=%p)\n", hProv, dwLen, pbBuffer);
if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
(OBJECTHDR**)&pKeyContainer))
if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
{
/* MSDN: hProv not containing valid context handle */
SetLastError(NTE_BAD_UID);
......@@ -2071,13 +2042,11 @@ BOOL WINAPI RSAENH_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwPa
DWORD *pdwDataLen, DWORD dwFlags)
{
CRYPTHASH *pCryptHash;
KEYCONTAINER *pKeyContainer;
TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08lx, pbData=%p, pdwDataLen=%p, dwFlags=%08lx)\n",
hProv, hHash, dwParam, pbData, pdwDataLen, dwFlags);
if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
(OBJECTHDR**)&pKeyContainer))
if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
{
SetLastError(NTE_BAD_UID);
return FALSE;
......@@ -2445,7 +2414,6 @@ BOOL WINAPI RSAENH_CPGetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
DWORD dwFlags, HCRYPTKEY *phKey)
{
KEYCONTAINER *pKeyContainer;
CRYPTKEY *pCryptKey;
CRYPTHASH *pCryptHash;
BYTE abHashValue[RSAENH_MAX_HASH_SIZE*2];
......@@ -2454,8 +2422,7 @@ BOOL WINAPI RSAENH_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseD
TRACE("(hProv=%08lx, Algid=%d, hBaseData=%08lx, dwFlags=%08lx phKey=%p)\n", hProv, Algid,
hBaseData, dwFlags, phKey);
if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
(OBJECTHDR**)&pKeyContainer))
if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
{
SetLastError(NTE_BAD_UID);
return FALSE;
......@@ -2604,18 +2571,10 @@ BOOL WINAPI RSAENH_CPHashData(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pb
DWORD dwDataLen, DWORD dwFlags)
{
CRYPTHASH *pCryptHash;
KEYCONTAINER *pKeyContainer;
TRACE("(hProv=%08lx, hHash=%08lx, pbData=%p, dwDataLen=%ld, dwFlags=%08lx)\n",
hProv, hHash, pbData, dwDataLen, dwFlags);
if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
(OBJECTHDR**)&pKeyContainer))
{
SetLastError(NTE_BAD_UID);
return FALSE;
}
if (dwFlags)
{
SetLastError(NTE_BAD_FLAGS);
......@@ -2629,8 +2588,7 @@ BOOL WINAPI RSAENH_CPHashData(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pb
return FALSE;
}
if (!get_algid_info(pKeyContainer, pCryptHash->aiAlgid) ||
pCryptHash->aiAlgid == CALG_SSL3_SHAMD5)
if (!get_algid_info(hProv, pCryptHash->aiAlgid) || pCryptHash->aiAlgid == CALG_SSL3_SHAMD5)
{
SetLastError(NTE_BAD_ALGID);
return FALSE;
......@@ -2755,14 +2713,12 @@ BOOL WINAPI RSAENH_CPSetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwPa
{
CRYPTHASH *pCryptHash;
CRYPTKEY *pCryptKey;
KEYCONTAINER *pKeyContainer;
int i;
TRACE("(hProv=%08lx, hHash=%08lx, dwParam=%08lx, pbData=%p, dwFlags=%08lx)\n",
hProv, hHash, dwParam, pbData, dwFlags);
if (!lookup_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER,
(OBJECTHDR**)&pKeyContainer))
if (!is_valid_handle(&handle_table, (unsigned int)hProv, RSAENH_MAGIC_CONTAINER))
{
SetLastError(NTE_BAD_UID);
return FALSE;
......
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