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Rearrange the session resumption code

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Previously, the transforms were populated before extension
parsing, which resulted in the client rejecting a server
hello that contained a connection ID.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek
2022-06-14 07:12:33 -04:00
parent 06986de4ea
commit c87d97b2ac
2 changed files with 36 additions and 10 deletions
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23
library/ssl_cli.c
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@ -2276,16 +2276,6 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
else
{
ssl->state = MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC;
if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
mbedtls_ssl_send_alert_message(
ssl,
MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
return( ret );
}
}
MBEDTLS_SSL_DEBUG_MSG( 3, ( "%s session has been resumed",
@ -2537,6 +2527,19 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
}
}
if( ssl->state == MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC )
{
if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
mbedtls_ssl_send_alert_message(
ssl,
MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR );
return( ret );
}
}
/*
* Renegotiation security checks
*/