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/**
* (C) 2007-22 - ntop.org and contributors
*
* 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 see <http://www.gnu.org/licenses/>
*
*/
int packet_header_decrypt (uint8_t packet[], uint16_t packet_len,
char *community_name,
he_context_t *ctx, he_context_t *ctx_iv,
uint64_t *stamp);
int packet_header_encrypt (uint8_t packet[], uint16_t header_len, uint16_t packet_len,
he_context_t *ctx, he_context_t *ctx_iv,
uint64_t stamp);
void packet_header_setup_key (const char *community_name,
he_context_t **ctx_static, he_context_t **ctx_dynamic,
he_context_t **ctx_iv_static, he_context_t **ctx_iv_dynamic);
void packet_header_change_dynamic_key (uint8_t *key_dynamic,
he_context_t **ctx_dynamic,
he_context_t **ctx_iv_dynamic);
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