diff options
Diffstat (limited to 'lib/ssl/src/dtls_record.erl')
-rw-r--r-- | lib/ssl/src/dtls_record.erl | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/ssl/src/dtls_record.erl b/lib/ssl/src/dtls_record.erl index 049f83e49e..de6b6e400f 100644 --- a/lib/ssl/src/dtls_record.erl +++ b/lib/ssl/src/dtls_record.erl @@ -44,7 +44,7 @@ -export([protocol_version/1, lowest_protocol_version/1, lowest_protocol_version/2, highest_protocol_version/1, highest_protocol_version/2, is_higher/2, supported_protocol_versions/0, - is_acceptable_version/2]). + is_acceptable_version/2, hello_version/2]). -export([save_current_connection_state/2, next_epoch/2]). @@ -402,6 +402,15 @@ current_connection_state_epoch(#{current_write := #{epoch := Epoch}}, write) -> Epoch. +-spec hello_version(dtls_version(), [dtls_version()]) -> dtls_version(). +hello_version(Version, Versions) -> + case dtls_v1:corresponding_tls_version(Version) of + TLSVersion when TLSVersion >= {3, 3} -> + Version; + _ -> + lowest_protocol_version(Versions) + end. + %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- |