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altcp_tls_mbedtls: remove entropy/ctr_drbg from altcp_tls_config struct

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Use only one entropy/ctr_drbg context for all altcp_tls_config structure allocated.

(Small adjustments before committing: fix coding style, adapt to changes in master)

(cherry picked from commit b298afabdc)
This commit is contained in:
David Girault
2018-05-23 15:39:27 +02:00
committed by Simon Goldschmidt
parent ff14bbb3c1
commit 5cea646b12
2 changed files with 65 additions and 13 deletions
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11
src/include/lwip/altcp_tls.h
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@@ -99,6 +99,17 @@ struct altcp_tls_config *altcp_tls_create_config_client_2wayauth(const u8_t *ca,
*/
void altcp_tls_free_config(struct altcp_tls_config *conf);
/** @ingroup altcp_tls
* Free an ALTCP_TLS global entropy instance.
* All ALTCP_TLS configuration are linked to one altcp_tls_entropy_rng structure
* that handle an unique system entropy & ctr_drbg instance.
* This function allow application to free this altcp_tls_entropy_rng structure
* when all configuration referencing it were destroyed.
* This function does nothing if some ALTCP_TLS configuration handle are still
* active.
*/
void altcp_tls_free_entropy(void);
/** @ingroup altcp_tls
* Create new ALTCP_TLS layer wrapping an existing pcb as inner connection (e.g. TLS over TCP)
*/