2 Unix SMB/CIFS implementation.
3 SMB Transport encryption code.
4 Copyright (C) Jeremy Allison 2007.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef _HEADER_SMB_CRYPT_H
21 #define _HEADER_SMB_CRYPT_H
23 /* Transport encryption state. */
24 enum smb_trans_enc_type {
26 #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
31 struct smb_trans_enc_state {
32 enum smb_trans_enc_type smb_enc_type;
35 struct gensec_security *gensec_security;
38 /* The following definitions come from smb_seal.c */
40 NTSTATUS get_enc_ctx_num(const uint8_t *buf, uint16_t *p_enc_ctx_num);
41 bool common_encryption_on(struct smb_trans_enc_state *es);
42 NTSTATUS common_encrypt_buffer(struct smb_trans_enc_state *es, char *buffer, char **buf_out);
43 NTSTATUS common_decrypt_buffer(struct smb_trans_enc_state *es, char *buf);
44 void common_free_encryption_state(struct smb_trans_enc_state **pp_es);
45 void common_free_enc_buffer(struct smb_trans_enc_state *es, char *buf);
47 #endif /* _HEADER_SMB_CRYPT_H */