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Commit c77d5c65 authored by Hans Leidekker's avatar Hans Leidekker Committed by Alexandre Julliard
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bcrypt: Partial implementation of BCryptImportKey and BCryptExportKey.

Based on a patch by Michael Müller. Signed-off-by: 's avatarHans Leidekker <hans@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent e6723be6
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Showing with 186 additions and 30 deletions
dlls/bcrypt/bcrypt.spec
View file @ c77d5c65
......@@ -20,7 +20,7 @@
@ stub BCryptEnumContexts
@ stub BCryptEnumProviders
@ stub BCryptEnumRegisteredProviders
@ stub BCryptExportKey
@ stdcall BCryptExportKey(ptr ptr wstr ptr long ptr long)
@ stub BCryptFinalizeKeyPair
@ stdcall BCryptFinishHash(ptr ptr long long)
@ stub BCryptFreeBuffer
......@@ -31,7 +31,7 @@
@ stdcall BCryptGetProperty(ptr wstr ptr long ptr long)
@ stdcall BCryptHash(ptr ptr long ptr long ptr long)
@ stdcall BCryptHashData(ptr ptr long long)
@ stub BCryptImportKey
@ stdcall BCryptImportKey(ptr ptr wstr ptr ptr long ptr long long)
@ stub BCryptImportKeyPair
@ stdcall BCryptOpenAlgorithmProvider(ptr wstr wstr long)
@ stub BCryptQueryContextConfiguration
......
dlls/bcrypt/bcrypt_main.c
View file @ c77d5c65
......@@ -768,15 +768,6 @@ NTSTATUS WINAPI BCryptHash( BCRYPT_ALG_HANDLE algorithm, UCHAR *secret, ULONG se
return BCryptDestroyHash( handle );
}
#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
static ULONG get_block_size( enum alg_id alg )
{
ULONG ret = 0, size = sizeof(ret);
get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
return ret;
}
#endif
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
struct key
{
......@@ -787,7 +778,55 @@ struct key
UCHAR *secret;
ULONG secret_len;
};
#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
struct key
{
struct object hdr;
enum alg_id alg_id;
ULONG block_size;
CCCryptorRef ref_encrypt;
CCCryptorRef ref_decrypt;
UCHAR *secret;
ULONG secret_len;
};
#else
struct key
{
struct object hdr;
ULONG block_size;
};
#endif
#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
static ULONG get_block_size( enum alg_id alg )
{
ULONG ret = 0, size = sizeof(ret);
get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
return ret;
}
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
{
if (!strcmpW( type, BCRYPT_KEY_DATA_BLOB ))
{
BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)output;
ULONG req_size = sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + key->secret_len;
*size = req_size;
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
header->dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
header->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
header->cbKeyData = key->secret_len;
memcpy( &header[1], key->secret, key->secret_len );
return STATUS_SUCCESS;
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_IMPLEMENTED;
}
#endif
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
static NTSTATUS key_init( struct key *key, enum alg_id id, const UCHAR *secret, ULONG secret_len )
{
UCHAR *buffer;
......@@ -898,17 +937,6 @@ static NTSTATUS key_destroy( struct key *key )
return STATUS_SUCCESS;
}
#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
struct key
{
struct object hdr;
enum alg_id alg_id;
ULONG block_size;
CCCryptorRef ref_encrypt;
CCCryptorRef ref_decrypt;
UCHAR *secret;
ULONG secret_len;
};
static NTSTATUS key_init( struct key *key, enum alg_id id, const UCHAR *secret, ULONG secret_len )
{
UCHAR *buffer;
......@@ -1006,12 +1034,6 @@ static NTSTATUS key_destroy( struct key *key )
return STATUS_SUCCESS;
}
#else
struct key
{
struct object hdr;
ULONG block_size;
};
static NTSTATUS key_init( struct key *key, enum alg_id id, const UCHAR *secret, ULONG secret_len )
{
ERR( "support for keys not available at build time\n" );
......@@ -1043,6 +1065,12 @@ static NTSTATUS key_destroy( struct key *key )
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
#endif
NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE *handle,
......@@ -1071,6 +1099,69 @@ NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptImportKey(BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE decrypt_key, LPCWSTR type,
BCRYPT_KEY_HANDLE *key, PUCHAR object, ULONG object_len, PUCHAR input,
ULONG input_len, ULONG flags)
{
struct algorithm *alg = algorithm;
TRACE("%p, %p, %s, %p, %p, %u, %p, %u, %u\n", algorithm, decrypt_key, debugstr_w(type), key, object,
object_len, input, input_len, flags);
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (!key || !type || !input) return STATUS_INVALID_PARAMETER;
if (decrypt_key)
{
FIXME("Decrypting of key not yet supported\n");
return STATUS_NO_MEMORY;
}
if (!strcmpW(type, BCRYPT_KEY_DATA_BLOB))
{
BCRYPT_KEY_DATA_BLOB_HEADER *key_header = (BCRYPT_KEY_DATA_BLOB_HEADER*)input;
if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER))
return STATUS_BUFFER_TOO_SMALL;
if (key_header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC)
return STATUS_INVALID_PARAMETER;
if (key_header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
{
FIXME("Unknown key data blob version: %d\n", key_header->dwVersion);
return STATUS_INVALID_PARAMETER;
}
if (key_header->cbKeyData + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len)
return STATUS_INVALID_PARAMETER;
return BCryptGenerateSymmetricKey(algorithm, key, object, object_len, (UCHAR*)&key_header[1], key_header->cbKeyData, 0);
}
FIXME("Unsupported key type: %s\n", debugstr_w(type));
return STATUS_INVALID_PARAMETER;
}
NTSTATUS WINAPI BCryptExportKey(BCRYPT_KEY_HANDLE export_key, BCRYPT_KEY_HANDLE encrypt_key, LPCWSTR type,
PUCHAR output, ULONG output_len, ULONG *size, ULONG flags)
{
struct key *key = export_key;
TRACE("%p, %p, %s, %p, %u, %p, %u\n", key, encrypt_key, debugstr_w(type), output, output_len, size, flags);
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!output || !output_len || !size) return STATUS_INVALID_PARAMETER;
if (encrypt_key)
{
FIXME("Encryption of key not yet supported\n");
return STATUS_NO_MEMORY;
}
return key_export( key, type, output, output_len, size );
}
NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
{
struct key *key = handle;
......
dlls/bcrypt/tests/bcrypt.c
View file @ c77d5c65
......@@ -46,6 +46,9 @@ static NTSTATUS (WINAPI *pBCryptEncrypt)(BCRYPT_KEY_HANDLE, PUCHAR, ULONG, VOID
static NTSTATUS (WINAPI *pBCryptDecrypt)(BCRYPT_KEY_HANDLE, PUCHAR, ULONG, VOID *, PUCHAR, ULONG, PUCHAR, ULONG,
ULONG *, ULONG);
static NTSTATUS (WINAPI *pBCryptDestroyKey)(BCRYPT_KEY_HANDLE);
static NTSTATUS (WINAPI *pBCryptImportKey)(BCRYPT_ALG_HANDLE, BCRYPT_KEY_HANDLE, LPCWSTR, BCRYPT_KEY_HANDLE *,
PUCHAR, ULONG, PUCHAR, ULONG, ULONG);
static NTSTATUS (WINAPI *pBCryptExportKey)(BCRYPT_KEY_HANDLE, BCRYPT_KEY_HANDLE, LPCWSTR, PUCHAR, ULONG, ULONG *, ULONG);
static void test_BCryptGenRandom(void)
{
......@@ -821,6 +824,51 @@ static void test_BCryptDecrypt(void)
ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
}
static void test_key_import_export(void)
{
UCHAR buffer1[sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + 16];
UCHAR buffer2[sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + 16];
BCRYPT_KEY_DATA_BLOB_HEADER *key_data1 = (void*)buffer1;
BCRYPT_ALG_HANDLE aes;
BCRYPT_KEY_HANDLE key;
NTSTATUS ret;
ULONG size;
ret = pBCryptOpenAlgorithmProvider(&aes, BCRYPT_AES_ALGORITHM, NULL, 0);
ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
key_data1->dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
key_data1->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
key_data1->cbKeyData = 16;
memset(&key_data1[1], 0x11, 16);
ret = pBCryptImportKey(aes, NULL, BCRYPT_KEY_DATA_BLOB, &key, NULL, 0, buffer1, sizeof(buffer1), 0);
ok(ret == STATUS_SUCCESS || broken(ret == STATUS_INVALID_PARAMETER) /* vista */, "got %08x\n", ret);
if (ret == STATUS_INVALID_PARAMETER)
{
win_skip("broken BCryptImportKey\n");
return;
}
size = 0;
ret = pBCryptExportKey(key, NULL, BCRYPT_KEY_DATA_BLOB, buffer2, 1, &size, 0);
ok(ret == STATUS_BUFFER_TOO_SMALL, "got %08x\n", ret);
ok(size == sizeof(buffer2), "Got %u\n", size);
size = 0;
memset(buffer2, 0xff, sizeof(buffer2));
ret = pBCryptExportKey(key, NULL, BCRYPT_KEY_DATA_BLOB, buffer2, sizeof(buffer2), &size, 0);
ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
ok(size == sizeof(buffer2), "Got %u\n", size);
ok(!memcmp(buffer1, buffer2, sizeof(buffer1)), "Expected exported key to match imported key\n");
ret = pBCryptDestroyKey(key);
ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
ret = pBCryptCloseAlgorithmProvider(aes, 0);
ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
}
START_TEST(bcrypt)
{
HMODULE module;
......@@ -848,6 +896,8 @@ START_TEST(bcrypt)
pBCryptEncrypt = (void *)GetProcAddress(module, "BCryptEncrypt");
pBCryptDecrypt = (void *)GetProcAddress(module, "BCryptDecrypt");
pBCryptDestroyKey = (void *)GetProcAddress(module, "BCryptDestroyKey");
pBCryptImportKey = (void *)GetProcAddress(module, "BCryptImportKey");
pBCryptExportKey = (void *)GetProcAddress(module, "BCryptExportKey");
test_BCryptGenRandom();
test_BCryptGetFipsAlgorithmMode();
......@@ -857,6 +907,7 @@ START_TEST(bcrypt)
test_BCryptGenerateSymmetricKey();
test_BCryptEncrypt();
test_BCryptDecrypt();
test_key_import_export();
if (pBCryptHash) /* >= Win 10 */
test_BcryptHash();
......
dlls/ncrypt/ncrypt.spec
View file @ c77d5c65
......@@ -22,7 +22,7 @@
@ stub BCryptEnumContexts
@ stub BCryptEnumProviders
@ stub BCryptEnumRegisteredProviders
@ stub BCryptExportKey
@ stdcall BCryptExportKey(ptr ptr wstr ptr long ptr long) bcrypt.BCryptExportKey
@ stub BCryptFinalizeKeyPair
@ stdcall BCryptFinishHash(ptr ptr long long) bcrypt.BCryptFinishHash
@ stub BCryptFreeBuffer
......@@ -33,7 +33,7 @@
@ stdcall BCryptGetProperty(ptr wstr ptr long ptr long) bcrypt.BCryptGetProperty
@ stdcall BCryptHash(ptr ptr long ptr long ptr long) bcrypt.BCryptHash
@ stdcall BCryptHashData(ptr ptr long long) bcrypt.BCryptHashData
@ stub BCryptImportKey
@ stdcall BCryptImportKey(ptr ptr wstr ptr ptr long ptr long long) bcrypt.BCryptImportKey
@ stub BCryptImportKeyPair
@ stub BCryptKeyDerivation
@ stdcall BCryptOpenAlgorithmProvider(ptr wstr wstr long) bcrypt.BCryptOpenAlgorithmProvider
......
include/bcrypt.h
View file @ c77d5c65
......@@ -58,6 +58,10 @@ typedef LONG NTSTATUS;
#define BCRYPT_PROVIDER_HANDLE (const WCHAR []){'P','r','o','v','i','d','e','r','H','a','n','d','l','e',0}
#define BCRYPT_SIGNATURE_LENGTH (const WCHAR []){'S','i','g','n','a','t','u','r','e','L','e','n','g','t','h',0}
#define BCRYPT_OPAQUE_KEY_BLOB (const WCHAR []){'O','p','a','q','u','e','K','e','y','B','l','o','b',0}
#define BCRYPT_KEY_DATA_BLOB (const WCHAR []){'K','e','y','D','a','t','a','B','l','o','b',0}
#define BCRYPT_AES_WRAP_KEY_BLOB (const WCHAR []){'R','f','c','3','5','6','5','K','e','y','W','r','a','p','B','l','o','b',0}
#define MS_PRIMITIVE_PROVIDER (const WCHAR [])\
{'M','i','c','r','o','s','o','f','t',' ','P','r','i','m','i','t','i','v','e',' ','P','r','o','v','i','d','e','r',0}
#define MS_PLATFORM_CRYPTO_PROVIDER (const WCHAR [])\
......@@ -117,6 +121,16 @@ typedef struct _CRYPT_PROVIDER_REG
PCRYPT_IMAGE_REG pKM;
} CRYPT_PROVIDER_REG, *PCRYPT_PROVIDER_REG;
typedef struct _BCRYPT_KEY_DATA_BLOB_HEADER
{
ULONG dwMagic;
ULONG dwVersion;
ULONG cbKeyData;
} BCRYPT_KEY_DATA_BLOB_HEADER, *PBCRYPT_KEY_DATA_BLOB_HEADER;
#define BCRYPT_KEY_DATA_BLOB_MAGIC 0x4d42444b
#define BCRYPT_KEY_DATA_BLOB_VERSION1 1
typedef PVOID BCRYPT_ALG_HANDLE;
typedef PVOID BCRYPT_KEY_HANDLE;
typedef PVOID BCRYPT_HANDLE;
......
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