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Protocomm : Session security now supports multiple instances of the same type

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List of changes:
* Security APIs accept handle to instance created during initialization
* Protocomm internally stores the security instance handle and calls security APIs with this handle as first parameter
This commit is contained in:
Anurag Kar
2019-04-12 17:32:38 +05:30
parent 936ee2884b
commit cccf829366
8 changed files with 107 additions and 66 deletions
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components/protocomm/include/security/protocomm_security.h
+14 -7
View File
@@ -35,6 +35,8 @@ typedef struct protocomm_security_pop {
uint16_t len;
} protocomm_security_pop_t;
typedef void * protocomm_security_handle_t;
/**
* @brief Protocomm security object structure.
*
@@ -54,28 +56,31 @@ typedef struct protocomm_security {
* Function for initializing/allocating security
* infrastructure
*/
esp_err_t (*init)();
esp_err_t (*init)(protocomm_security_handle_t *handle);
/**
* Function for deallocating security infrastructure
*/
esp_err_t (*cleanup)();
esp_err_t (*cleanup)(protocomm_security_handle_t handle);
/**
* Starts new secure transport session with specified ID
*/
esp_err_t (*new_transport_session)(uint32_t session_id);
esp_err_t (*new_transport_session)(protocomm_security_handle_t handle,
uint32_t session_id);
/**
* Closes a secure transport session with specified ID
*/
esp_err_t (*close_transport_session)(uint32_t session_id);
esp_err_t (*close_transport_session)(protocomm_security_handle_t handle,
uint32_t session_id);
/**
* Handler function for authenticating connection
* request and establishing secure session
*/
esp_err_t (*security_req_handler)(const protocomm_security_pop_t *pop,
esp_err_t (*security_req_handler)(protocomm_security_handle_t handle,
const protocomm_security_pop_t *pop,
uint32_t session_id,
const uint8_t *inbuf, ssize_t inlen,
uint8_t **outbuf, ssize_t *outlen,
@@ -84,14 +89,16 @@ typedef struct protocomm_security {
/**
* Function which implements the encryption algorithm
*/
esp_err_t (*encrypt)(uint32_t session_id,
esp_err_t (*encrypt)(protocomm_security_handle_t handle,
uint32_t session_id,
const uint8_t *inbuf, ssize_t inlen,
uint8_t *outbuf, ssize_t *outlen);
/**
* Function which implements the decryption algorithm
*/
esp_err_t (*decrypt)(uint32_t session_id,
esp_err_t (*decrypt)(protocomm_security_handle_t handle,
uint32_t session_id,
const uint8_t *inbuf, ssize_t inlen,
uint8_t *outbuf, ssize_t *outlen);
} protocomm_security_t;