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Enhancement: change some functions to static in ssl_tls13_keys.c

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Since some functions are only used in ssl_tls13_keys.c not by any
other modules, those functions are changed to static.

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
This commit is contained in:
Yanray Wang
2022-12-13 18:50:42 +08:00
parent 6b4cb63aed
commit 0540211078
2 changed files with 72 additions and 79 deletions
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70
library/ssl_tls13_keys.h
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@ -553,76 +553,6 @@ int mbedtls_ssl_tls13_populate_transform(mbedtls_ssl_transform *transform,
MBEDTLS_CHECK_RETURN_CRITICAL
int mbedtls_ssl_tls13_key_schedule_stage_early(mbedtls_ssl_context *ssl);
/**
* \brief Transition into handshake stage of TLS 1.3 key schedule.
*
* The TLS 1.3 key schedule can be viewed as a simple state machine
* with states Initial -> Early -> Handshake -> Application, and
* this function represents the Early -> Handshake transition.
*
* In the handshake stage, mbedtls_ssl_tls13_generate_handshake_keys()
* can be used to derive the handshake traffic keys.
*
* \param ssl The SSL context to operate on. This must be in key schedule
* stage \c Early.
*
* \returns \c 0 on success.
* \returns A negative error code on failure.
*/
MBEDTLS_CHECK_RETURN_CRITICAL
int mbedtls_ssl_tls13_key_schedule_stage_handshake(mbedtls_ssl_context *ssl);
/**
* \brief Compute TLS 1.3 handshake traffic keys.
*
* \param ssl The SSL context to operate on. This must be in
* key schedule stage \c Handshake, see
* mbedtls_ssl_tls13_key_schedule_stage_handshake().
* \param traffic_keys The address at which to store the handshake traffic key
* keys. This must be writable but may be uninitialized.
*
* \returns \c 0 on success.
* \returns A negative error code on failure.
*/
MBEDTLS_CHECK_RETURN_CRITICAL
int mbedtls_ssl_tls13_generate_handshake_keys(mbedtls_ssl_context *ssl,
mbedtls_ssl_key_set *traffic_keys);
/**
* \brief Transition into application stage of TLS 1.3 key schedule.
*
* The TLS 1.3 key schedule can be viewed as a simple state machine
* with states Initial -> Early -> Handshake -> Application, and
* this function represents the Handshake -> Application transition.
*
* In the handshake stage, mbedtls_ssl_tls13_generate_application_keys()
* can be used to derive the handshake traffic keys.
*
* \param ssl The SSL context to operate on. This must be in key schedule
* stage \c Handshake.
*
* \returns \c 0 on success.
* \returns A negative error code on failure.
*/
MBEDTLS_CHECK_RETURN_CRITICAL
int mbedtls_ssl_tls13_key_schedule_stage_application(mbedtls_ssl_context *ssl);
/**
* \brief Compute TLS 1.3 application traffic keys.
*
* \param ssl The SSL context to operate on. This must be in
* key schedule stage \c Application, see
* mbedtls_ssl_tls13_key_schedule_stage_application().
* \param traffic_keys The address at which to store the application traffic key
* keys. This must be writable but may be uninitialized.
*
* \returns \c 0 on success.
* \returns A negative error code on failure.
*/
MBEDTLS_CHECK_RETURN_CRITICAL
int mbedtls_ssl_tls13_generate_application_keys(
mbedtls_ssl_context *ssl, mbedtls_ssl_key_set *traffic_keys);
/**
* \brief Compute TLS 1.3 resumption master secret.
*