66bd007f30
When changing IEEE 802.15.4 security settings or setting security to 'none' then the previous session must be cleaned up to avoid resource leaks. This change introduces proper clean-up of the security session. Signed-off-by: Florian Grandel <fgrandel@code-for-humans.de>
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/*
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* Copyright (c) 2017 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief 802.15.4 6LoWPAN authentication and encryption
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*
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* This is not to be included by the application.
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*/
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#ifdef CONFIG_NET_L2_IEEE802154_SECURITY
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#include <zephyr/net/ieee802154.h>
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int ieee802154_security_setup_session(struct ieee802154_security_ctx *sec_ctx, uint8_t level,
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uint8_t key_mode, uint8_t *key, uint8_t key_len);
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void ieee802154_security_teardown_session(struct ieee802154_security_ctx *sec_ctx);
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/**
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* @brief Decrypt an authenticated payload.
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*
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* @param sec_ctx Pointer to an IEEE 802.15.4 security context.
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* @param frame Pointer to the frame data in original (little endian) byte order.
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* @param hdr_len Length of the MHR.
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* @param payload_len Length of the MAC payload.
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* @param tag_size Length of the authentication tag.
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* @param src_ext_addr Pointer to the extended source address of the frame (in little endian byte
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* order).
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* @param frame_counter Frame counter in CPU byte order.
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*/
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bool ieee802154_decrypt_auth(struct ieee802154_security_ctx *sec_ctx, uint8_t *frame,
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uint8_t hdr_len, uint8_t payload_len, uint8_t tag_size,
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uint8_t *src_ext_addr, uint32_t frame_counter);
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/**
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* @brief Encrypt an authenticated payload.
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*
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* @param sec_ctx Pointer to an IEEE 802.15.4 security context.
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* @param frame Pointer to the frame data in original (little endian) byte order.
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* @param hdr_len Length of the MHR.
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* @param payload_len Length of the MAC payload.
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* @param tag_size Length of the authentication tag.
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* @param src_ext_addr Pointer to the extended source address of the frame (in little endian byte
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* order).
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*/
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bool ieee802154_encrypt_auth(struct ieee802154_security_ctx *sec_ctx, uint8_t *frame,
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uint8_t hdr_len, uint8_t payload_len,
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uint8_t tag_size, uint8_t *src_ext_addr);
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int ieee802154_security_init(struct ieee802154_security_ctx *sec_ctx);
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#else
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#define ieee802154_decrypt_auth(...) true
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#define ieee802154_encrypt_auth(...) true
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#define ieee802154_security_init(...) 0
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#endif /* CONFIG_NET_L2_IEEE802154_SECURITY */
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