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docs(esp-tls): clarify caller owns the PSA key in esp_key_config_t

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Aditya Patwardhan
2026-06-29 17:58:16 +05:30
parent 5f1074045f
commit ed6f697ea8
3 changed files with 6 additions and 5 deletions
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8
components/esp-tls/esp_tls.h
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@@ -161,7 +161,9 @@ typedef struct esp_tls_cfg {
const unsigned char *clientkey_pem_buf; /*!< Client key legacy name */
};
const esp_key_config_t *client_key; /*!< Unified key config. Must remain valid for session lifetime */
const esp_key_config_t *client_key; /*!< Unified key config. Must remain valid for session lifetime.
Any PSA key referenced here remains owned by the caller; ESP-TLS does not
destroy it on cleanup, so the application must release it with psa_destroy_key(). */
union {
unsigned int clientkey_bytes; /*!< Size of client key pointed to by
@@ -315,7 +317,9 @@ typedef struct esp_tls_cfg_server {
const unsigned char *serverkey_pem_buf; /*!< Server key legacy name */
};
const esp_key_config_t *server_key; /*!< Unified key config. Must remain valid for session lifetime */
const esp_key_config_t *server_key; /*!< Unified key config. Must remain valid for session lifetime.
Any PSA key referenced here remains owned by the caller; ESP-TLS does not
destroy it on cleanup, so the application must release it with psa_destroy_key(). */
union {
unsigned int serverkey_bytes; /*!< Size of server key pointed to by

1
components/esp-tls/esp_tls_mbedtls.c
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@@ -476,7 +476,6 @@ void esp_mbedtls_cleanup(esp_tls_t *tls)
if (!tls) {
return;
}
if (tls->cacert_ptr != global_cacert) {
mbedtls_x509_crt_free(tls->cacert_ptr);
}