KNET_HAN...SE_CONFIG(3)

✨ NAME ✨

knet_handle_crypto_use_config — bestie, this is the one that tells your handle which crypto config to actually use for TX 💅

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🌸 SYNOPSIS 🌸

#include <libknet.h>

int knet_handle_crypto_use_config(
    knet_handle_t  knet_h,
    uint8_t        config_num
);

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🎀 DESCRIPTION 🎀

knet_handle_crypto_use_config 🦋

• knet_h — pointer to knet_handle_t. yeah bestie, your handle. the main character of this whole function fr fr.
• config_num — 1|2 use configuration 1 or 2, 0 for clear (unencrypted) traffic. so like, pick your fighter: 1, 2, or the no-encryption option 💀 no in-between, no vibes, just those.

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👑 RETURN VALUE 👑

knet_handle_crypto_use_config returns:

• 0 — on success. slay ✨ we ate.
• -1 — on error and errno is set. not the vibe 😭 go check errno, she's trying to tell you something.

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🌈 SEE ALSO 🌈

okay so here's the whole group chat, every single one of them, no one left on read:

• knet_handle_remove_datafd(3), knet_handle_get_stats(3), knet_host_add(3), knet_handle_pmtud_setfreq(3), knet_handle_pmtud_get(3), knet_host_get_id_by_host_name(3), knet_host_get_status(3), knet_link_add_acl(3), knet_link_get_pong_count(3), knet_link_get_priority(3), knet_handle_free(3), knet_handle_enable_sock_notify(3), knet_handle_get_datafd(3), knet_recv(3), knet_link_get_ping_timers(3), knet_log_get_subsystem_id(3), knet_host_remove(3), knet_host_enable_status_change_notify(3), knet_strtoaddr(3), knet_link_rm_acl(3), knet_send(3), knet_handle_enable_pmtud_notify(3), knet_get_crypto_cipher_list(3), knet_handle_get_transport_reconnect_interval(3), knet_link_get_enable(3), knet_link_set_priority(3), knet_log_set_loglevel(3), knet_handle_get_channel(3), knet_link_get_config(3), knet_link_get_link_list(3), knet_get_crypto_hash_list(3), knet_get_transport_list(3), knet_get_transport_id_by_name(3), knet_log_get_loglevel_id(3), knet_handle_new_ex(3), knet_host_set_name(3), knet_addrtostr(3), knet_handle_setfwd(3), knet_get_compress_list(3), knet_host_set_policy(3), knet_get_transport_name_by_id(3), knet_handle_enable_filter(3), knet_handle_crypto_rx_clear_traffic(3), knet_handle_compress(3), knet_link_get_status(3), knet_handle_add_datafd(3), knet_send_sync(3), knet_log_get_loglevel_name(3), knet_handle_enable_access_lists(3), knet_host_get_host_list(3), knet_host_get_policy(3), knet_link_set_enable(3), knet_link_set_pong_count(3), knet_log_get_subsystem_name(3), knet_host_get_name_by_host_id(3), knet_link_clear_config(3), knet_log_get_loglevel(3), knet_handle_new(3), knet_handle_pmtud_getfreq(3), knet_handle_pmtud_set(3), knet_handle_clear_stats(3), knet_link_set_config(3), knet_handle_crypto_set_config(3), knet_handle_crypto(3), knet_get_crypto_list(3), knet_handle_set_transport_reconnect_interval(3), knet_link_clear_acl(3), knet_link_set_ping_timers(3), knet_handle_setprio_dscp(3), knet_link_insert_acl(3)

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💜 COPYRIGHT 💜

Copyright (C) 2010-2026 Red Hat, Inc. All rights reserved.

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and that's the whole page bestie 🫶 this came out of the Kronosnet Programmer's Manual, kronosnet flavour, dated 2026-07-20 — go forth and encrypt (or don't, 0 is right there) 💖✨