diff options
Diffstat (limited to 'lib/snmp/src/misc/snmp_misc.erl')
| -rw-r--r-- | lib/snmp/src/misc/snmp_misc.erl | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/snmp/src/misc/snmp_misc.erl b/lib/snmp/src/misc/snmp_misc.erl index a061dcd97c..293b22991b 100644 --- a/lib/snmp/src/misc/snmp_misc.erl +++ b/lib/snmp/src/misc/snmp_misc.erl @@ -43,6 +43,7 @@ ip/1, ip/2, is_auth/1, is_BitString/1, + is_crypto_supported/1, is_oid/1, is_priv/1, is_reportable/1, @@ -117,13 +118,27 @@ now(sec) -> (element(3,Now) div 1000000). +is_crypto_supported(Alg) -> + %% The 'try catch' handles the case when 'crypto' is + %% not present in the system (or not started). + try + begin + Supported = crypto:supports(), + Hashs = proplists:get_value(hashs, Supported), + Ciphers = proplists:get_value(ciphers, Supported), + lists:member(Alg, Hashs ++ Ciphers) + end + catch + _:_ -> + false + end. + is_string([]) -> true; is_string([Tkn | Str]) when is_integer(Tkn) andalso (Tkn >= 0) andalso (Tkn =< 255) -> is_string(Str); is_string(_) -> false. - is_oid([E1, E2| Rest]) when (length(Rest) =< 126) andalso (E1 *40 + E2 =< 255) -> is_oid2(Rest); |