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dssenh: Implement CPCreateHash and CPDestroyHash. 

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2020-10-09 12:45:57 +02:00 committed by Alexandre Julliard
parent 0b8a12f39a
commit e7a79ce426
2 changed files with 97 additions and 11 deletions
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86
dlls/dssenh/main.c
View File

@ -54,6 +54,17 @@ struct container
char name[MAX_PATH];
};
#define MAGIC_HASH (('H' << 24) | ('A' << 16) | ('S' << 8) | 'H')
struct hash
{
DWORD magic;
BCRYPT_ALG_HANDLE alg_handle;
BCRYPT_HASH_HANDLE handle;
DWORD len;
UCHAR value[64];
BOOL finished;
};
static const char dss_path_fmt[] = "Software\\Wine\\Crypto\\DSS\\%s";
static BOOL create_container_regkey( struct container *container, REGSAM sam, HKEY *hkey )
@ -320,14 +331,89 @@ BOOL WINAPI CPExportKey( HCRYPTPROV hprov, HCRYPTKEY hkey, HCRYPTKEY hexpkey, DW
return FALSE;
}
static struct hash *create_hash( ALG_ID algid )
{
struct hash *ret;
const WCHAR *alg;
DWORD len;
switch (algid)
{
case CALG_MD5:
alg = BCRYPT_MD5_ALGORITHM;
len = 16;
break;
case CALG_SHA1:
alg = BCRYPT_SHA1_ALGORITHM;
len = 20;
break;
default:
FIXME( "unhandled algorithm %u\n", algid );
return 0;
}
if (!(ret = heap_alloc_zero( sizeof(*ret) ))) return 0;
ret->magic = MAGIC_HASH;
ret->len = len;
if (BCryptOpenAlgorithmProvider( &ret->alg_handle, alg, MS_PRIMITIVE_PROVIDER, 0 ))
{
heap_free( ret );
return 0;
}
if (BCryptCreateHash( ret->alg_handle, &ret->handle, NULL, 0, NULL, 0, 0 ))
{
BCryptCloseAlgorithmProvider( ret->alg_handle, 0 );
heap_free( ret );
return 0;
}
return ret;
}
BOOL WINAPI CPCreateHash( HCRYPTPROV hprov, ALG_ID algid, HCRYPTKEY hkey, DWORD flags, HCRYPTHASH *ret_hash )
{
struct hash *hash;
TRACE( "%p, %08x, %p, %08x, %p\n", (void *)hprov, algid, (void *)hkey, flags, ret_hash );
switch (algid)
{
case CALG_MD5:
case CALG_SHA1:
break;
default:
FIXME( "algorithm %u not supported\n", algid );
SetLastError( NTE_BAD_ALGID );
return FALSE;
}
if (!(hash = create_hash( algid ))) return FALSE;
*ret_hash = (HCRYPTHASH)hash;
return TRUE;
}
BOOL WINAPI CPDestroyHash( HCRYPTPROV hprov, HCRYPTHASH hhash )
{
struct hash *hash = (struct hash *)hhash;
TRACE( "%p, %p\n", (void *)hprov, (void *)hhash);
if (hash->magic != MAGIC_HASH)
{
SetLastError( NTE_BAD_HASH );
return FALSE;
}
BCryptDestroyHash( hash->handle );
BCryptCloseAlgorithmProvider( hash->alg_handle, 0 );
hash->magic = 0;
heap_free( hash );
return TRUE;
}
BOOL WINAPI CPHashData( HCRYPTPROV hprov, HCRYPTHASH hhash, const BYTE *data, DWORD len, DWORD flags )

18
dlls/dssenh/tests/dssenh.c
View File

@ -446,14 +446,14 @@ static void test_hash(const struct hash_test *tests, int testLen)
/* test algid hash */
result = CryptCreateHash(hProv, tests[i].algid, 0, 0, &hHash);
ok(result, "Expected creation of a hash.\n");
result = CryptHashData(hHash, data, dataLen, 0);
if (!result)
{
skip("skipping hash tests\n");
return;
}
ok(result, "Expected creation of a hash.\n");
result = CryptHashData(hHash, data, dataLen, 0);
ok(result, "Expected data to be added to hash.\n");
dataLen = sizeof(DWORD);
@ -605,14 +605,14 @@ static void test_data_encryption(const struct encrypt_test *tests, int testLen)
SetLastError(0xdeadbeef);
result = CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash);
ok(result, "Expected creation of a MD5 hash for key derivation.\n");
result = CryptHashData(hHash, (BYTE *)dataToHash, sizeof(dataToHash), 0);
if (!result)
{
skip("skipping encryption tests\n");
return;
}
ok(result, "Expected creation of a MD5 hash for key derivation.\n");
result = CryptHashData(hHash, (BYTE *)dataToHash, sizeof(dataToHash), 0);
ok(result, "Expected data to be added to hash for key derivation.\n");
/* Derive key */
@ -695,14 +695,14 @@ static void test_cipher_modes(const struct ciphermode_test *tests, int testLen)
SetLastError(0xdeadbeef);
result = CryptCreateHash(hProv, CALG_MD5, 0, 0, &hHash);
ok(result, "Expected creation of a MD5 hash for key derivation.\n");
result = CryptHashData(hHash, (BYTE *)dataToHash, sizeof(dataToHash), 0);
if (!result)
{
skip("skipping ciper modes tests\n");
return;
}
ok(result, "Expected creation of a MD5 hash for key derivation.\n");
result = CryptHashData(hHash, (BYTE *)dataToHash, sizeof(dataToHash), 0);
ok(result, "Expected data to be added to hash for key derivation.\n");
/* Derive a CALG_RC2 key, but could be any other encryption cipher */