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Commit 576d22d2 authored by Hans Leidekker's avatar Hans Leidekker Committed by Alexandre Julliard
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bcrypt: Introduce helpers for BCryptDe/Encrypt and BCryptImportKeyPair.

Signed-off-by: 's avatarHans Leidekker <hans@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent f3528378
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Showing with 349 additions and 345 deletions
dlls/bcrypt/bcrypt_main.c
View file @ 576d22d2
......@@ -989,23 +989,13 @@ struct key
} u;
};
#else
struct key_symmetric
{
enum mode_id mode;
ULONG block_size;
};
struct key
{
struct object hdr;
union
{
struct key_symmetric s;
} u;
};
#endif
#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
static inline BOOL key_is_symmetric( struct key *key )
{
return alg_props[key->alg_id].symmetric;
......@@ -1018,104 +1008,6 @@ static ULONG get_block_size( struct algorithm *alg )
return ret;
}
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
ULONG object_len, UCHAR *input, ULONG input_len )
{
ULONG len;
if (!strcmpW( type, BCRYPT_KEY_DATA_BLOB ))
{
BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)input;
if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)) return STATUS_BUFFER_TOO_SMALL;
if (header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC) return STATUS_INVALID_PARAMETER;
if (header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
{
FIXME( "unknown key data blob version %u\n", header->dwVersion );
return STATUS_INVALID_PARAMETER;
}
len = header->cbKeyData;
if (len + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len) return STATUS_INVALID_PARAMETER;
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, (UCHAR *)&header[1], len, 0 );
}
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
{
if (input_len < sizeof(len)) return STATUS_BUFFER_TOO_SMALL;
len = *(ULONG *)input;
if (len + sizeof(len) > input_len) return STATUS_INVALID_PARAMETER;
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, input + sizeof(len), len, 0 );
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_IMPLEMENTED;
}
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->u.s.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->u.s.secret_len;
memcpy( &header[1], key->u.s.secret, key->u.s.secret_len );
return STATUS_SUCCESS;
}
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
{
ULONG len, req_size = sizeof(len) + key->u.s.secret_len;
*size = req_size;
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
*(ULONG *)output = key->u.s.secret_len;
memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len );
return STATUS_SUCCESS;
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
{
UCHAR *buffer;
memset( key_copy, 0, sizeof(*key_copy) );
key_copy->hdr = key_orig->hdr;
key_copy->alg_id = key_orig->alg_id;
if (key_is_symmetric( key_orig ))
{
if (!(buffer = heap_alloc( key_orig->u.s.secret_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, key_orig->u.s.secret, key_orig->u.s.secret_len );
key_copy->u.s.mode = key_orig->u.s.mode;
key_copy->u.s.block_size = key_orig->u.s.block_size;
key_copy->u.s.secret = buffer;
key_copy->u.s.secret_len = key_orig->u.s.secret_len;
}
else
{
if (!(buffer = heap_alloc( key_orig->u.a.pubkey_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, key_orig->u.a.pubkey, key_orig->u.a.pubkey_len );
key_copy->u.a.pubkey = buffer;
key_copy->u.a.pubkey_len = key_orig->u.a.pubkey_len;
}
return STATUS_SUCCESS;
}
#endif
#if defined(HAVE_GNUTLS_CIPHER_INIT) && !defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H)
static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
{
UCHAR *buffer;
......@@ -1645,6 +1537,18 @@ static NTSTATUS key_destroy( struct key *key )
return STATUS_SUCCESS;
}
#elif defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
static inline BOOL key_is_symmetric( struct key *key )
{
return alg_props[key->alg_id].symmetric;
}
static ULONG get_block_size( struct algorithm *alg )
{
ULONG ret = 0, size = sizeof(ret);
get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
return ret;
}
static NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
{
UCHAR *buffer;
......@@ -1835,297 +1739,164 @@ static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_symmetric_set_params( struct key *key, UCHAR *iv, ULONG iv_len )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_symmetric_set_auth_data( struct key *key, UCHAR *auth_data, ULONG len )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_symmetric_encrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len )
static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, DWORD flags )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_symmetric_decrypt( struct key *key, const UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len )
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
ULONG object_len, UCHAR *input, ULONG input_len )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_symmetric_get_tag( struct key *key, UCHAR *tag, ULONG len )
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;
}
static NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, DWORD flags )
static NTSTATUS key_destroy( struct key *key )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
ULONG object_len, UCHAR *input, ULONG input_len )
static inline BOOL key_is_symmetric( struct key *key )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
return FALSE;
}
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS key_destroy( struct key *key )
static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
ERR( "support for keys not available at build time\n" );
return STATUS_NOT_IMPLEMENTED;
}
static inline BOOL key_is_symmetric( struct key *key )
{
ERR( "support for keys not available at build time\n" );
return FALSE;
}
static NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, const UCHAR *pubkey, ULONG pubkey_len )
static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
ULONG input_len )
{
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,
UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len,
ULONG flags )
#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
ULONG object_len, UCHAR *input, ULONG input_len )
{
struct algorithm *alg = algorithm;
struct key *key;
NTSTATUS status;
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", algorithm, handle, object, object_len, secret, secret_len, flags );
ULONG len;
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (object) FIXME( "ignoring object buffer\n" );
if (!strcmpW( type, BCRYPT_KEY_DATA_BLOB ))
{
BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)input;
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)) return STATUS_BUFFER_TOO_SMALL;
if (header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC) return STATUS_INVALID_PARAMETER;
if (header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
{
FIXME( "unknown key data blob version %u\n", header->dwVersion );
return STATUS_INVALID_PARAMETER;
}
len = header->cbKeyData;
if (len + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len) return STATUS_INVALID_PARAMETER;
if ((status = key_symmetric_init( key, alg, secret, secret_len )))
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, (UCHAR *)&header[1], len, 0 );
}
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
{
heap_free( key );
return status;
if (input_len < sizeof(len)) return STATUS_BUFFER_TOO_SMALL;
len = *(ULONG *)input;
if (len + sizeof(len) > input_len) return STATUS_INVALID_PARAMETER;
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, input + sizeof(len), len, 0 );
}
*handle = key;
return STATUS_SUCCESS;
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_IMPLEMENTED;
}
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 )
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
{
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 (!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->u.s.secret_len;
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (!key || !type || !input) return STATUS_INVALID_PARAMETER;
*size = req_size;
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
if (decrypt_key)
header->dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
header->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
header->cbKeyData = key->u.s.secret_len;
memcpy( &header[1], key->u.s.secret, key->u.s.secret_len );
return STATUS_SUCCESS;
}
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
{
FIXME( "decryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
ULONG len, req_size = sizeof(len) + key->u.s.secret_len;
*size = req_size;
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
*(ULONG *)output = key->u.s.secret_len;
memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len );
return STATUS_SUCCESS;
}
return key_import( algorithm, type, key, object, object_len, input, input_len );
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS WINAPI BCryptExportKey( BCRYPT_KEY_HANDLE export_key, BCRYPT_KEY_HANDLE encrypt_key, LPCWSTR type,
PUCHAR output, ULONG output_len, ULONG *size, ULONG flags )
static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
{
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);
UCHAR *buffer;
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!output || !type || !size) return STATUS_INVALID_PARAMETER;
memset( key_copy, 0, sizeof(*key_copy) );
key_copy->hdr = key_orig->hdr;
key_copy->alg_id = key_orig->alg_id;
if (encrypt_key)
if (key_is_symmetric( key_orig ))
{
FIXME( "encryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
return key_export( key, type, output, output_len, size );
}
NTSTATUS WINAPI BCryptDuplicateKey( BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE *handle_copy,
UCHAR *object, ULONG object_len, ULONG flags )
{
struct key *key_orig = handle;
struct key *key_copy;
NTSTATUS status;
TRACE( "%p, %p, %p, %u, %08x\n", handle, handle_copy, object, object_len, flags );
if (object) FIXME( "ignoring object buffer\n" );
if (!key_orig || key_orig->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!handle_copy) return STATUS_INVALID_PARAMETER;
if (!(key_copy = heap_alloc( sizeof(*key_copy) ))) return STATUS_NO_MEMORY;
if ((status = key_duplicate( key_orig, key_copy )))
{
heap_free( key_copy );
return status;
}
*handle_copy = key_copy;
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptImportKeyPair( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE decrypt_key, const WCHAR *type,
BCRYPT_KEY_HANDLE *ret_key, UCHAR *input, ULONG input_len, ULONG flags )
{
struct algorithm *alg = algorithm;
NTSTATUS status;
struct key *key;
TRACE( "%p, %p, %s, %p, %p, %u, %08x\n", algorithm, decrypt_key, debugstr_w(type), ret_key, input,
input_len, flags );
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (!ret_key || !type || !input) return STATUS_INVALID_PARAMETER;
if (decrypt_key)
{
FIXME( "decryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (!strcmpW( type, BCRYPT_ECCPUBLIC_BLOB ))
{
BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
DWORD key_size, magic;
if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
switch (alg->id)
{
case ALG_ID_ECDSA_P256:
key_size = 32;
magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
break;
case ALG_ID_ECDSA_P384:
key_size = 48;
magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
break;
default:
FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
return STATUS_NOT_SUPPORTED;
}
if (ecc_blob->dwMagic != magic) return STATUS_NOT_SUPPORTED;
if (ecc_blob->cbKey != key_size) return STATUS_INVALID_PARAMETER;
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
if ((status = key_asymmetric_init( key, alg, (BYTE *)ecc_blob, sizeof(*ecc_blob) + ecc_blob->cbKey * 2 )))
{
heap_free( key );
return status;
}
if (!(buffer = heap_alloc( key_orig->u.s.secret_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, key_orig->u.s.secret, key_orig->u.s.secret_len );
*ret_key = key;
return STATUS_SUCCESS;
key_copy->u.s.mode = key_orig->u.s.mode;
key_copy->u.s.block_size = key_orig->u.s.block_size;
key_copy->u.s.secret = buffer;
key_copy->u.s.secret_len = key_orig->u.s.secret_len;
}
else if (!strcmpW( type, BCRYPT_RSAPUBLIC_BLOB ))
else
{
BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
ULONG size;
if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
if (alg->id != ALG_ID_RSA || rsa_blob->Magic != BCRYPT_RSAPUBLIC_MAGIC) return STATUS_NOT_SUPPORTED;
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
size = sizeof(*rsa_blob) + rsa_blob->cbPublicExp + rsa_blob->cbModulus;
if ((status = key_asymmetric_init( key, alg, (BYTE *)rsa_blob, size )))
{
heap_free( key );
return status;
}
if (!(buffer = heap_alloc( key_orig->u.a.pubkey_len ))) return STATUS_NO_MEMORY;
memcpy( buffer, key_orig->u.a.pubkey, key_orig->u.a.pubkey_len );
*ret_key = key;
return STATUS_SUCCESS;
key_copy->u.a.pubkey = buffer;
key_copy->u.a.pubkey_len = key_orig->u.a.pubkey_len;
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_SUPPORTED;
}
NTSTATUS WINAPI BCryptVerifySignature( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, ULONG flags )
{
struct key *key = handle;
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", handle, padding, hash, hash_len, signature, signature_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!hash || !hash_len || !signature || !signature_len) return STATUS_INVALID_PARAMETER;
if (key_is_symmetric( key )) return STATUS_NOT_SUPPORTED;
return key_asymmetric_verify( key, padding, hash, hash_len, signature, signature_len, flags );
}
NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
{
struct key *key = handle;
TRACE( "%p\n", handle );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
return key_destroy( key );
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len,
void *padding, UCHAR *iv, ULONG iv_len, UCHAR *output,
ULONG output_len, ULONG *ret_len, ULONG flags )
static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
struct key *key = handle;
ULONG bytes_left = input_len;
UCHAR *buf, *src, *dst;
NTSTATUS status;
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len,
padding, iv, iv_len, output, output_len, ret_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!key_is_symmetric( key ))
{
FIXME( "encryption with asymmetric keys not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (flags & ~BCRYPT_BLOCK_PADDING)
{
FIXME( "flags %08x not implemented\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
if (key->u.s.mode == MODE_ID_GCM)
{
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
......@@ -2188,30 +1959,13 @@ NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG inp
return status;
}
NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len,
void *padding, UCHAR *iv, ULONG iv_len, UCHAR *output,
ULONG output_len, ULONG *ret_len, ULONG flags )
static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
struct key *key = handle;
ULONG bytes_left = input_len;
UCHAR *buf, *src, *dst;
NTSTATUS status;
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len,
padding, iv, iv_len, output, output_len, ret_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!key_is_symmetric( key ))
{
FIXME( "decryption with asymmetric keys not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (flags & ~BCRYPT_BLOCK_PADDING)
{
FIXME( "flags %08x not supported\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
if (key->u.s.mode == MODE_ID_GCM)
{
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
......@@ -2285,6 +2039,256 @@ NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG inp
return status;
}
static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
ULONG input_len )
{
struct key *key;
NTSTATUS status;
if (!strcmpW( type, BCRYPT_ECCPUBLIC_BLOB ))
{
BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
DWORD key_size, magic;
if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
switch (alg->id)
{
case ALG_ID_ECDSA_P256:
key_size = 32;
magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
break;
case ALG_ID_ECDSA_P384:
key_size = 48;
magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
break;
default:
FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
return STATUS_NOT_SUPPORTED;
}
if (ecc_blob->dwMagic != magic) return STATUS_NOT_SUPPORTED;
if (ecc_blob->cbKey != key_size) return STATUS_INVALID_PARAMETER;
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
if ((status = key_asymmetric_init( key, alg, (BYTE *)ecc_blob, sizeof(*ecc_blob) + ecc_blob->cbKey * 2 )))
{
heap_free( key );
return status;
}
*ret_key = key;
return STATUS_SUCCESS;
}
else if (!strcmpW( type, BCRYPT_RSAPUBLIC_BLOB ))
{
BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
ULONG size;
if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
if (alg->id != ALG_ID_RSA || rsa_blob->Magic != BCRYPT_RSAPUBLIC_MAGIC) return STATUS_NOT_SUPPORTED;
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
size = sizeof(*rsa_blob) + rsa_blob->cbPublicExp + rsa_blob->cbModulus;
if ((status = key_asymmetric_init( key, alg, (BYTE *)rsa_blob, size )))
{
heap_free( key );
return status;
}
*ret_key = key;
return STATUS_SUCCESS;
}
FIXME( "unsupported key type %s\n", debugstr_w(type) );
return STATUS_NOT_SUPPORTED;
}
#endif
NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE *handle,
UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len,
ULONG flags )
{
struct algorithm *alg = algorithm;
struct key *key;
NTSTATUS status;
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", algorithm, handle, object, object_len, secret, secret_len, flags );
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (object) FIXME( "ignoring object buffer\n" );
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
key->hdr.magic = MAGIC_KEY;
if ((status = key_symmetric_init( key, alg, secret, secret_len )))
{
heap_free( key );
return status;
}
*handle = key;
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( "decryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
return key_import( algorithm, type, key, object, object_len, input, input_len );
}
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 || !type || !size) return STATUS_INVALID_PARAMETER;
if (encrypt_key)
{
FIXME( "encryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
return key_export( key, type, output, output_len, size );
}
NTSTATUS WINAPI BCryptDuplicateKey( BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE *handle_copy,
UCHAR *object, ULONG object_len, ULONG flags )
{
struct key *key_orig = handle;
struct key *key_copy;
NTSTATUS status;
TRACE( "%p, %p, %p, %u, %08x\n", handle, handle_copy, object, object_len, flags );
if (object) FIXME( "ignoring object buffer\n" );
if (!key_orig || key_orig->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!handle_copy) return STATUS_INVALID_PARAMETER;
if (!(key_copy = heap_alloc( sizeof(*key_copy) ))) return STATUS_NO_MEMORY;
if ((status = key_duplicate( key_orig, key_copy )))
{
heap_free( key_copy );
return status;
}
*handle_copy = key_copy;
return STATUS_SUCCESS;
}
NTSTATUS WINAPI BCryptImportKeyPair( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE decrypt_key, const WCHAR *type,
BCRYPT_KEY_HANDLE *ret_key, UCHAR *input, ULONG input_len, ULONG flags )
{
struct algorithm *alg = algorithm;
TRACE( "%p, %p, %s, %p, %p, %u, %08x\n", algorithm, decrypt_key, debugstr_w(type), ret_key, input,
input_len, flags );
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
if (!ret_key || !type || !input) return STATUS_INVALID_PARAMETER;
if (decrypt_key)
{
FIXME( "decryption of key not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
return key_import_pair( alg, type, ret_key, input, input_len );
}
NTSTATUS WINAPI BCryptVerifySignature( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *hash, ULONG hash_len,
UCHAR *signature, ULONG signature_len, ULONG flags )
{
struct key *key = handle;
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", handle, padding, hash, hash_len, signature, signature_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!hash || !hash_len || !signature || !signature_len) return STATUS_INVALID_PARAMETER;
if (key_is_symmetric( key )) return STATUS_NOT_SUPPORTED;
return key_asymmetric_verify( key, padding, hash, hash_len, signature, signature_len, flags );
}
NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
{
struct key *key = handle;
TRACE( "%p\n", handle );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
return key_destroy( key );
}
NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
struct key *key = handle;
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len, padding, iv, iv_len, output,
output_len, ret_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!key_is_symmetric( key ))
{
FIXME( "encryption with asymmetric keys not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (flags & ~BCRYPT_BLOCK_PADDING)
{
FIXME( "flags %08x not implemented\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
return key_encrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
}
NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
{
struct key *key = handle;
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len, padding, iv, iv_len, output,
output_len, ret_len, flags );
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
if (!key_is_symmetric( key ))
{
FIXME( "decryption with asymmetric keys not yet supported\n" );
return STATUS_NOT_IMPLEMENTED;
}
if (flags & ~BCRYPT_BLOCK_PADDING)
{
FIXME( "flags %08x not supported\n", flags );
return STATUS_NOT_IMPLEMENTED;
}
return key_decrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
}
NTSTATUS WINAPI BCryptSetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
{
struct object *object = handle;
......
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