diff options
Diffstat (limited to 'lib/common_test/test/ct_netconfc_SUITE_data/netconfc_test_lib.erl')
| -rw-r--r-- | lib/common_test/test/ct_netconfc_SUITE_data/netconfc_test_lib.erl | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/lib/common_test/test/ct_netconfc_SUITE_data/netconfc_test_lib.erl b/lib/common_test/test/ct_netconfc_SUITE_data/netconfc_test_lib.erl deleted file mode 100644 index e058bc7600..0000000000 --- a/lib/common_test/test/ct_netconfc_SUITE_data/netconfc_test_lib.erl +++ /dev/null @@ -1,166 +0,0 @@ --module(netconfc_test_lib). - --export([get_id_keys/1, remove_id_keys/1, make_dsa_files/1]). --include_lib("common_test/include/ct.hrl"). --include_lib("public_key/include/public_key.hrl"). - -%%%----------------------------------------------------------------- -%%% BEGIN SSH key management -%% copy private keys to given dir from ~/.ssh -get_id_keys(Config) -> - DstDir = ?config(priv_dir, Config), - SrcDir = filename:join(os:getenv("HOME"), ".ssh"), - RsaOk = copyfile(SrcDir, DstDir, "id_rsa"), - DsaOk = copyfile(SrcDir, DstDir, "id_dsa"), - case {RsaOk, DsaOk} of - {{ok, _}, {ok, _}} -> {ok, both}; - {{ok, _}, _} -> {ok, rsa}; - {_, {ok, _}} -> {ok, dsa}; - {Error, _} -> Error - end. - -%% Remove later on. Use make_dsa_files instead. -remove_id_keys(Config) -> - Dir = ?config(priv_dir, Config), - file:delete(filename:join(Dir, "id_rsa")), - file:delete(filename:join(Dir, "id_dsa")). - - -make_dsa_files(Config) -> - make_dsa_files(Config, rfc4716_public_key). -make_dsa_files(Config, Type) -> - {DSA, EncodedKey} = gen_dsa(128, 20), - PKey = DSA#'DSAPrivateKey'.y, - P = DSA#'DSAPrivateKey'.p, - Q = DSA#'DSAPrivateKey'.q, - G = DSA#'DSAPrivateKey'.g, - Dss = #'Dss-Parms'{p=P, q=Q, g=G}, - {ok, Hostname} = inet:gethostname(), - {ok, {A, B, C, D}} = inet:getaddr(Hostname, inet), - IP = lists:concat([A, ".", B, ".", C, ".", D]), - Attributes = [], % Could be [{comment,"user@" ++ Hostname}], - HostNames = [{hostnames,[IP, IP]}], - PublicKey = [{{PKey, Dss}, Attributes}], - KnownHosts = [{{PKey, Dss}, HostNames}], - - KnownHostsEnc = public_key:ssh_encode(KnownHosts, known_hosts), - KnownHosts = public_key:ssh_decode(KnownHostsEnc, known_hosts), - - PublicKeyEnc = public_key:ssh_encode(PublicKey, Type), - - SystemTmpDir = ?config(data_dir, Config), - filelib:ensure_dir(SystemTmpDir), - file:make_dir(SystemTmpDir), - - DSAFile = filename:join(SystemTmpDir, "ssh_host_dsa_key.pub"), - file:delete(DSAFile), - - DSAPrivateFile = filename:join(SystemTmpDir, "ssh_host_dsa_key"), - file:delete(DSAPrivateFile), - - KHFile = filename:join(SystemTmpDir, "known_hosts"), - file:delete(KHFile), - - PemBin = public_key:pem_encode([EncodedKey]), - - file:write_file(DSAFile, PublicKeyEnc), - file:write_file(KHFile, KnownHostsEnc), - file:write_file(DSAPrivateFile, PemBin), - ok. - - -%%-------------------------------------------------------------------- -%% @doc Creates a dsa key (OBS: for testing only) -%% the sizes are in bytes -%% @spec (::integer()) -> {::atom(), ::binary(), ::opaque()} -%% @end -%%-------------------------------------------------------------------- -gen_dsa(LSize,NSize) when is_integer(LSize), is_integer(NSize) -> - Key = gen_dsa2(LSize, NSize), - {Key, encode_key(Key)}. - -encode_key(Key = #'DSAPrivateKey'{}) -> - Der = public_key:der_encode('DSAPrivateKey', Key), - {'DSAPrivateKey', Der, not_encrypted}. - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% DSA key generation (OBS: for testing only) -%% See http://en.wikipedia.org/wiki/Digital_Signature_Algorithm -%% and the fips_186-3.pdf -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -gen_dsa2(LSize, NSize) -> - Q = prime(NSize), %% Choose N-bit prime Q - X0 = prime(LSize), - P0 = prime((LSize div 2) +1), - - %% Choose L-bit prime modulus P such that p-1 is a multiple of q. - case dsa_search(X0 div (2*Q*P0), P0, Q, 1000) of - error -> - gen_dsa2(LSize, NSize); - P -> - G = crypto:mod_pow(2, (P-1) div Q, P), % Choose G a number whose multiplicative order modulo p is q. - %% such that This may be done by setting g = h^(p-1)/q mod p, commonly h=2 is used. - - X = prime(20), %% Choose x by some random method, where 0 < x < q. - Y = crypto:mod_pow(G, X, P), %% Calculate y = g^x mod p. - - #'DSAPrivateKey'{version=0, p = P, q = Q, - g = crypto:bytes_to_integer(G), y = crypto:bytes_to_integer(Y), x = X} - end. - -%% See fips_186-3.pdf -dsa_search(T, P0, Q, Iter) when Iter > 0 -> - P = 2*T*Q*P0 + 1, - case is_prime(P, 50) of - true -> P; - false -> dsa_search(T+1, P0, Q, Iter-1) - end; -dsa_search(_,_,_,_) -> - error. - - -%%%%%%% Crypto Math %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -prime(ByteSize) -> - Rand = odd_rand(ByteSize), - prime_odd(Rand, 0). - -prime_odd(Rand, N) -> - case is_prime(Rand, 50) of - true -> - Rand; - false -> - prime_odd(Rand+2, N+1) - end. - -%% see http://en.wikipedia.org/wiki/Fermat_primality_test -is_prime(_, 0) -> true; -is_prime(Candidate, Test) -> - CoPrime = odd_rand(10000, Candidate), - Result = crypto:mod_pow(CoPrime, Candidate, Candidate) , - is_prime(CoPrime, crypto:bytes_to_integer(Result), Candidate, Test). - -is_prime(CoPrime, CoPrime, Candidate, Test) -> - is_prime(Candidate, Test-1); -is_prime(_,_,_,_) -> - false. - -odd_rand(Size) -> - Min = 1 bsl (Size*8-1), - Max = (1 bsl (Size*8))-1, - odd_rand(Min, Max). - -odd_rand(Min,Max) -> - Rand = crypto:rand_uniform(Min,Max), - case Rand rem 2 of - 0 -> - Rand + 1; - _ -> - Rand - end. - -copyfile(SrcDir, DstDir, Fn) -> - file:copy(filename:join(SrcDir, Fn), - filename:join(DstDir, Fn)). - -%%% END SSH key management -%%%----------------------------------------------------------------- |