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authorIngela Anderton Andin <[email protected]>2013-05-16 15:26:33 +0200
committerIngela Anderton Andin <[email protected]>2013-05-20 08:41:53 +0200
commit355e919653c8178b9144db9e0fa01c329e077de4 (patch)
treed5b4024192509ec42029f70e273bd4e691c6c09c /lib
parent6ed7098c77b4eaefb4998e3abf099e525c1284f7 (diff)
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netconf: Remove use of deprecated crypto functions
Diffstat (limited to 'lib')
-rw-r--r--lib/common_test/test/ct_netconfc_SUITE_data/netconfc1_SUITE.erl70
1 files changed, 37 insertions, 33 deletions
diff --git a/lib/common_test/test/ct_netconfc_SUITE_data/netconfc1_SUITE.erl b/lib/common_test/test/ct_netconfc_SUITE_data/netconfc1_SUITE.erl
index 54526e8e83..a3309b844d 100644
--- a/lib/common_test/test/ct_netconfc_SUITE_data/netconfc1_SUITE.erl
+++ b/lib/common_test/test/ct_netconfc_SUITE_data/netconfc1_SUITE.erl
@@ -1,7 +1,7 @@
%%--------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2012. All Rights Reserved.
+%% Copyright Ericsson AB 2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -1035,10 +1035,12 @@ make_dsa_files(Config, Type) ->
file:write_file(DSAPrivateFile, PemBin),
ok.
+
%%--------------------------------------------------------------------
-%% Creates a dsa key (OBS: for testing only)
+%% @doc Creates a dsa key (OBS: for testing only)
%% the sizes are in bytes
-%% gen_dsa(::integer()) -> {::atom(), ::binary(), ::opaque()}
+%% @spec (::integer()) -> {::atom(), ::binary(), ::opaque()}
+%% @end
%%--------------------------------------------------------------------
gen_dsa(LSize,NSize) when is_integer(LSize), is_integer(NSize) ->
Key = gen_dsa2(LSize, NSize),
@@ -1048,7 +1050,6 @@ 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
@@ -1058,67 +1059,70 @@ 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 ->
+ error ->
gen_dsa2(LSize, NSize);
- P ->
- G = crypto:mod_exp(2, (P-1) div Q, P), % Choose G a number whose multiplicative order modulo p is q.
+ 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_exp(G, X, P), %% Calculate y = g^x mod p.
-
- #'DSAPrivateKey'{version=0, p=P, q=Q, g=G, y=Y, x=X}
+ Y = crypto:mod_pow(G, X, P), %% Calculate y = g^x mod p.
+
+ #'DSAPrivateKey'{version=0, p = P, q = Q,
+ g = crypto:binary_to_integer(G), y = crypto:binary_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(crypto:mpint(P), 50) of
+ case is_prime(P, 50) of
true -> P;
false -> dsa_search(T+1, P0, Q, Iter-1)
end;
-dsa_search(_,_,_,_) ->
+dsa_search(_,_,_,_) ->
error.
%%%%%%% Crypto Math %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
prime(ByteSize) ->
Rand = odd_rand(ByteSize),
- crypto:erlint(prime_odd(Rand, 0)).
+ prime_odd(Rand, 0).
prime_odd(Rand, N) ->
case is_prime(Rand, 50) of
- true ->
+ true ->
Rand;
- false ->
- NotPrime = crypto:erlint(Rand),
- prime_odd(crypto:mpint(NotPrime+2), N+1)
+ 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(<<0,0,0,4, 10000:32>>, Candidate),
- case crypto:mod_exp(CoPrime, Candidate, Candidate) of
- CoPrime -> is_prime(Candidate, Test-1);
- _ -> false
- end.
+is_prime(Candidate, Test) ->
+ CoPrime = odd_rand(10000, Candidate),
+ Result = crypto:mod_pow(CoPrime, Candidate, Candidate) ,
+ is_prime(CoPrime, crypto:binary_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(crypto:mpint(Min), crypto:mpint(Max)).
+ odd_rand(Min, Max).
odd_rand(Min,Max) ->
- Rand = <<Sz:32, _/binary>> = crypto:rand_uniform(Min,Max),
- BitSkip = (Sz+4)*8-1,
- case Rand of
- Odd = <<_:BitSkip, 1:1>> -> Odd;
- Even = <<_:BitSkip, 0:1>> ->
- crypto:mpint(crypto:erlint(Even)+1)
+ Rand = crypto:rand_uniform(Min,Max),
+ case Rand rem 2 of
+ 0 ->
+ Rand + 1;
+ _ ->
+ Rand
end.
copyfile(SrcDir, DstDir, Fn) ->