
Normally, the length of session_id and secret_hash is the same, but if we will get into rekeying with a peer that changes preference of key exchange algorithm, the new secret hash can be larger or smaller than the previous session_id causing invalid reads or writes. Resolves https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35485 Signed-off-by: Jakub Jelen <jjelen@redhat.com> Reviewed-by: Andreas Schneider <asn@cryptomilk.org>