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API modified so server side can get mki value

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+ client side discards self mki if server does not support it

Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
This commit is contained in:
Johan Pascal
2020-10-26 22:45:58 +01:00
parent adbd9449ec
commit 20c7db3a67
6 changed files with 63 additions and 10 deletions
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8
library/ssl_cli.c
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@ -1925,6 +1925,14 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
}
/* If server does not use mki in its reply, make sure the client won't keep
* one as negotiated */
if( len == 5 )
{
ssl->dtls_srtp_info.mki_len = 0;
}
/*
* RFC5764:
* If the client detects a nonzero-length MKI in the server's response