4a25fb7136
Remove the depency on host emulation of ECC for the Use debug keys option. This allows the application to use debug keys without shifting the ECC from the controller to the host, which could potentially alter the behavior of the application and make debugging this way less useful. Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* ecc.h - ECDH helpers */
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/* @brief Container for public key callback */
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struct bt_pub_key_cb {
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/** @brief Callback type for Public Key generation.
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*
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* Used to notify of the local public key or that the local key is not
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* available (either because of a failure to read it or because it is
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* being regenerated).
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*
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* @param key The local public key, or NULL in case of no key.
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*/
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void (*func)(const uint8_t key[64]);
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struct bt_pub_key_cb *_next;
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};
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/* @brief Check if public key is equal to the debug public key.
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*
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* Compare the Public key to the Bluetooth specification defined debug public
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* key.
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*
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* @param pub_key The public key to compare.
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*
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* @return True if the public key is the debug public key.
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*/
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bool bt_pub_key_is_debug(uint8_t *pub_key);
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/* @brief Generate a new Public Key.
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*
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* Generate a new ECC Public Key. The callback will persist even after the
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* key has been generated, and will be used to notify of new generation
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* processes (NULL as key).
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*
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* @param cb Callback to notify the new key, or NULL to request an update
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* without registering any new callback.
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*
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* @return Zero on success or negative error code otherwise
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*/
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int bt_pub_key_gen(struct bt_pub_key_cb *cb);
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/* @brief Get the current Public Key.
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*
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* Get the current ECC Public Key.
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*
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* @return Current key, or NULL if not available.
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*/
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const uint8_t *bt_pub_key_get(void);
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/* @typedef bt_dh_key_cb_t
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* @brief Callback type for DH Key calculation.
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*
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* Used to notify of the calculated DH Key.
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*
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* @param key The DH Key, or NULL in case of failure.
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*/
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typedef void (*bt_dh_key_cb_t)(const uint8_t key[32]);
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/* @brief Calculate a DH Key from a remote Public Key.
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*
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* Calculate a DH Key from the remote Public Key.
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*
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* @param remote_pk Remote Public Key.
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* @param cb Callback to notify the calculated key.
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*
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* @return Zero on success or negative error code otherwise
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*/
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int bt_dh_key_gen(const uint8_t remote_pk[64], bt_dh_key_cb_t cb);
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