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rsaenh: Do not use stack variables out of frame (Coverity). 

Based on patch by Marcus Meissner.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2017-07-21 15:36:31 +02:00 committed by Alexandre Julliard
parent f706d9f08f
commit 14ac2f6029
1 changed files with 16 additions and 20 deletions
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36
dlls/rsaenh/implglue.c
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@ -50,52 +50,48 @@ BOOL WINAPI SystemFunction036(PVOID pbBuffer, ULONG dwLen);
BOOL init_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext)
{
const WCHAR *algid = NULL;
BCRYPT_ALG_HANDLE provider;
NTSTATUS status;
switch (aiAlgid)
{
case CALG_MD2:
md2_init(&pHashContext->md2);
break;
return TRUE;
case CALG_MD4:
MD4Init(&pHashContext->md4);
break;
return TRUE;
case CALG_MD5:
MD5Init(&pHashContext->md5);
break;
return TRUE;
case CALG_SHA:
A_SHAInit(&pHashContext->sha);
break;
return TRUE;
case CALG_SHA_256:
algid = BCRYPT_SHA256_ALGORITHM;
status = BCryptOpenAlgorithmProvider(&provider, BCRYPT_SHA256_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
break;
case CALG_SHA_384:
algid = BCRYPT_SHA384_ALGORITHM;
status = BCryptOpenAlgorithmProvider(&provider, BCRYPT_SHA384_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
break;
case CALG_SHA_512:
algid = BCRYPT_SHA512_ALGORITHM;
status = BCryptOpenAlgorithmProvider(&provider, BCRYPT_SHA512_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
break;
default:
return TRUE;
}
if (algid)
{
BCRYPT_ALG_HANDLE provider;
NTSTATUS status;
if (status) return FALSE;
status = BCryptOpenAlgorithmProvider(&provider, algid, MS_PRIMITIVE_PROVIDER, 0);
if (status) return FALSE;
status = BCryptCreateHash(provider, &pHashContext->bcrypt_hash, NULL, 0, NULL, 0, 0);
BCryptCloseAlgorithmProvider(provider, 0);
if (status) return FALSE;
}
return TRUE;
status = BCryptCreateHash(provider, &pHashContext->bcrypt_hash, NULL, 0, NULL, 0, 0);
BCryptCloseAlgorithmProvider(provider, 0);
return !status;
}
BOOL update_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext, const BYTE *pbData,