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tls13: keys: Fix PSK build only case

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When deriving the handshake stage master
secret, in the case of a PSK only build,
the only possible key exchange mode is PSK
and there is no ephemeral key exchange
shared secret in that case. Thus do not
error out in that case in the first
phae of the derivation dedicated to the
shared secret.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2022-10-17 09:04:59 +02:00
parent 9a6a49c7cb
commit fa1e04a7c4
1 changed files with 0 additions and 2 deletions
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library/ssl_tls13_keys.c
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@ -1310,8 +1310,6 @@ int mbedtls_ssl_tls13_key_schedule_stage_handshake( mbedtls_ssl_context *ssl )
return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE ); return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
} }
} }
#else
return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
#endif /* MBEDTLS_KEY_EXCHANGE_SOME_ECDHE_ENABLED */ #endif /* MBEDTLS_KEY_EXCHANGE_SOME_ECDHE_ENABLED */
/* /*