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/*
Unix SMB/CIFS implementation.
SMB Signing Code
Copyright (C) Jeremy Allison 2003.
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2002-2003
Copyright (C) Stefan Metzmacher 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SMB_SIGNING_H_
#define _SMB_SIGNING_H_
struct smb_signing_state;
struct smb_signing_state *smb_signing_init(TALLOC_CTX *mem_ctx,
bool allowed,
bool desired,
bool mandatory);
struct smb_signing_state *smb_signing_init_ex(TALLOC_CTX *mem_ctx,
bool allowed,
bool desired,
bool mandatory,
void *(*alloc_fn)(TALLOC_CTX *, size_t),
void (*free_fn)(TALLOC_CTX *, void *));
uint32_t smb_signing_next_seqnum(struct smb_signing_state *si, bool oneway);
void smb_signing_cancel_reply(struct smb_signing_state *si, bool oneway);
void smb_signing_sign_pdu(struct smb_signing_state *si,
uint8_t *outhdr, size_t len,
uint32_t seqnum);
bool smb_signing_check_pdu(struct smb_signing_state *si,
const uint8_t *inhdr, size_t len,
uint32_t seqnum);
bool smb_signing_activate(struct smb_signing_state *si,
const DATA_BLOB user_session_key,
const DATA_BLOB response);
bool smb_signing_is_active(struct smb_signing_state *si);
bool smb_signing_is_allowed(struct smb_signing_state *si);
bool smb_signing_is_mandatory(struct smb_signing_state *si);
bool smb_signing_set_negotiated(struct smb_signing_state *si,
bool allowed, bool mandatory);
bool smb_signing_is_negotiated(struct smb_signing_state *si);
void smb_key_derivation(const uint8_t *KI, size_t KI_len,
uint8_t KO[16]);
#endif /* _SMB_SIGNING_H_ */
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