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-rw-r--r--lib/crypto/c_src/otp_test_engine.c144
-rw-r--r--lib/crypto/test/engine_SUITE.erl117
2 files changed, 235 insertions, 26 deletions
diff --git a/lib/crypto/c_src/otp_test_engine.c b/lib/crypto/c_src/otp_test_engine.c
index 34c825059f..94c639f5af 100644
--- a/lib/crypto/c_src/otp_test_engine.c
+++ b/lib/crypto/c_src/otp_test_engine.c
@@ -35,7 +35,12 @@
#if OPENSSL_VERSION_NUMBER < PACKED_OPENSSL_VERSION_PLAIN(1,1,0) \
|| defined(LIBRESSL_VERSION_NUMBER)
-#define OLD
+# define OLD
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,1,0) \
+ && !defined(LIBRESSL_VERSION_NUMBER)
+# define FAKE_RSA_IMPL
#endif
#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION(0,9,8,'o') \
@@ -56,13 +61,38 @@
static const char *test_engine_id = "MD5";
static const char *test_engine_name = "MD5 test engine";
+#if defined(FAKE_RSA_IMPL)
+/*-------- test of private/public keys and RSA in engine ---------*/
+static RSA_METHOD *test_rsa_method = NULL;
+
+/* Our on "RSA" implementation */
+static int test_rsa_sign(int dtype, const unsigned char *m,
+ unsigned int m_len, unsigned char *sigret,
+ unsigned int *siglen, const RSA *rsa);
+static int test_rsa_verify(int dtype, const unsigned char *m,
+ unsigned int m_len, const unsigned char *sigret,
+ unsigned int siglen, const RSA *rsa);
+static int test_rsa_free(RSA *rsa);
+#endif /* if defined(FAKE_RSA_IMPL) */
+
/* The callback that does the job of fetching keys on demand by the Engine */
EVP_PKEY* test_key_load(ENGINE *er, const char *id, UI_METHOD *ui_method, void *callback_data);
+/*----------------------------------------------------------------*/
static int test_init(ENGINE *e) {
printf("OTP Test Engine Initializatzion!\r\n");
+#if defined(FAKE_RSA_IMPL)
+ if ( !RSA_meth_set_finish(test_rsa_method, test_rsa_free)
+ || !RSA_meth_set_sign(test_rsa_method, test_rsa_sign)
+ || !RSA_meth_set_verify(test_rsa_method, test_rsa_verify)
+ ) {
+ fprintf(stderr, "Setup RSA_METHOD failed\r\n");
+ return 0;
+ }
+#endif /* if defined(FAKE_RSA_IMPL) */
+
/* Load all digest and cipher algorithms. Needed for password protected private keys */
OpenSSL_add_all_ciphers();
OpenSSL_add_all_digests();
@@ -79,6 +109,19 @@ static void add_test_data(unsigned char *md, unsigned int len)
}
}
+#if defined(FAKE_RSA_IMPL)
+static int chk_test_data(const unsigned char *md, unsigned int len)
+{
+ unsigned int i;
+
+ for (i=0; i<len; i++) {
+ if (md[i] != (unsigned char)(i & 0xff))
+ return 0;
+ }
+ return 1;
+}
+#endif /* if defined(FAKE_RSA_IMPL) */
+
/* MD5 part */
#undef data
#ifdef OLD
@@ -184,18 +227,33 @@ static int test_engine_digest_selector(ENGINE *e, const EVP_MD **digest,
return ok;
}
-
static int bind_helper(ENGINE * e, const char *id)
{
- if (!ENGINE_set_id(e, test_engine_id) ||
- !ENGINE_set_name(e, test_engine_name) ||
- !ENGINE_set_init_function(e, test_init) ||
- !ENGINE_set_digests(e, &test_engine_digest_selector) ||
+#if defined(FAKE_RSA_IMPL)
+ test_rsa_method = RSA_meth_new("OTP test RSA method", 0);
+ if (test_rsa_method == NULL) {
+ fprintf(stderr, "RSA_meth_new failed\r\n");
+ return 0;
+ }
+#endif /* if defined(FAKE_RSA_IMPL) */
+
+ if (!ENGINE_set_id(e, test_engine_id)
+ || !ENGINE_set_name(e, test_engine_name)
+ || !ENGINE_set_init_function(e, test_init)
+ || !ENGINE_set_digests(e, &test_engine_digest_selector)
/* For testing of key storage in an Engine: */
- !ENGINE_set_load_privkey_function(e, &test_key_load) ||
- !ENGINE_set_load_pubkey_function(e, &test_key_load)
- )
+ || !ENGINE_set_load_privkey_function(e, &test_privkey_load)
+ || !ENGINE_set_load_pubkey_function(e, &test_pubkey_load)
+ )
+ return 0;
+
+#if defined(FAKE_RSA_IMPL)
+ if ( !ENGINE_set_RSA(e, test_rsa_method) ) {
+ RSA_meth_free(test_rsa_method);
+ test_rsa_method = NULL;
return 0;
+ }
+#endif /* if defined(FAKE_RSA_IMPL) */
return 1;
}
@@ -278,3 +336,71 @@ int pem_passwd_cb_fun(char *buf, int size, int rwflag, void *password)
}
#endif
+
+#if defined(FAKE_RSA_IMPL)
+/* RSA sign. This returns a fixed string so the test case can test that it was called
+ instead of the cryptolib default RSA sign */
+
+unsigned char fake_flag[] = {255,3,124,180,35,10,180,151,101,247,62,59,80,122,220,
+ 142,24,180,191,34,51,150,112,27,43,142,195,60,245,213,80,179};
+
+int test_rsa_sign(int dtype,
+ /* The digest to sign */
+ const unsigned char *m, unsigned int m_len,
+ /* The allocated buffer to fill with the signature */
+ unsigned char *sigret, unsigned int *siglen,
+ /* The key */
+ const RSA *rsa)
+{
+ int slen;
+ fprintf(stderr, "test_rsa_sign (dtype=%i) called m_len=%u *siglen=%u\r\n", dtype, m_len, *siglen);
+ if (!sigret) {
+ fprintf(stderr, "sigret = NULL\r\n");
+ return -1;
+ }
+
+ /* {int i;
+ fprintf(stderr, "Digest =\r\n");
+ for(i=0; i<m_len; i++)
+ fprintf(stderr, "%i,", m[i]);
+ fprintf(stderr, "\r\n");
+ } */
+
+ if ((sizeof(fake_flag) == m_len)
+ && bcmp(m,fake_flag,m_len) == 0) {
+ printf("To be faked\r\n");
+ /* To be faked */
+ slen = RSA_size(rsa);
+ add_test_data(sigret, slen); /* The signature is 0,1,2...255,0,1... */
+ *siglen = slen; /* Must set this. Why? */
+ return 1; /* 1 = success */
+ }
+ return 0;
+}
+
+int test_rsa_verify(int dtype,
+ /* The digest to verify */
+ const unsigned char *m, unsigned int m_len,
+ /* The signature */
+ const unsigned char *sigret, unsigned int siglen,
+ /* The key */
+ const RSA *rsa)
+{
+ printf("test_rsa_verify (dtype=%i) called m_len=%u siglen=%u\r\n", dtype, m_len, siglen);
+
+ if ((sizeof(fake_flag) == m_len)
+ && bcmp(m,fake_flag,m_len) == 0) {
+ printf("To be faked\r\n");
+ return (siglen == RSA_size(rsa))
+ && chk_test_data(sigret, siglen);
+ }
+ return 0;
+}
+
+static int test_rsa_free(RSA *rsa)
+{
+ printf("test_rsa_free called\r\n");
+ return 1;
+}
+
+#endif /* if defined(FAKE_RSA_IMPL) */
diff --git a/lib/crypto/test/engine_SUITE.erl b/lib/crypto/test/engine_SUITE.erl
index 0427923941..42d8edf4d2 100644
--- a/lib/crypto/test/engine_SUITE.erl
+++ b/lib/crypto/test/engine_SUITE.erl
@@ -51,12 +51,14 @@ all() ->
ctrl_cmd_string,
ctrl_cmd_string_optional,
ensure_load,
- {group, engine_stored_key}
+ {group, engine_stored_key},
+ {group, engine_fakes_rsa}
].
groups() ->
[{engine_stored_key, [],
- [sign_verify_rsa,
+ [
+ sign_verify_rsa,
sign_verify_dsa,
sign_verify_ecdsa,
sign_verify_rsa_pwd,
@@ -71,7 +73,10 @@ groups() ->
get_pub_from_priv_key_rsa_pwd_bad_pwd,
get_pub_from_priv_key_dsa,
get_pub_from_priv_key_ecdsa
- ]}].
+ ]},
+ {engine_fakes_rsa, [], [sign_verify_rsa_fake
+ ]}
+ ].
init_per_suite(Config) ->
@@ -102,7 +107,20 @@ end_per_suite(_Config) ->
%%--------------------------------------------------------------------
init_per_group(engine_stored_key, Config) ->
- case load_storage_engine(Config) of
+ group_load_engine(Config, [engine_method_rsa]);
+init_per_group(engine_fakes_rsa, Config) ->
+ case crypto:info_lib() of
+ [{<<"OpenSSL">>,LibVer,_}] when is_integer(LibVer), LibVer >= 16#10100000 ->
+ group_load_engine(Config, []);
+ _ ->
+ {skip, "Too low OpenSSL cryptolib version"}
+ end;
+init_per_group(_Group, Config0) ->
+ Config0.
+
+
+group_load_engine(Config, ExcludeMthds) ->
+ case load_storage_engine(Config, ExcludeMthds) of
{ok, E} ->
KeyDir = key_dir(Config),
[{storage_engine,E}, {storage_dir,KeyDir} | Config];
@@ -115,19 +133,19 @@ init_per_group(engine_stored_key, Config) ->
Other ->
ct:log("Engine load failed: ~p",[Other]),
{fail, "Engine load failed"}
- end;
-init_per_group(_Group, Config0) ->
- Config0.
+ end.
-end_per_group(engine_stored_key, Config) ->
+
+
+
+
+end_per_group(_, Config) ->
case proplists:get_value(storage_engine, Config) of
undefined ->
ok;
E ->
ok = crypto:engine_unload(E)
- end;
-end_per_group(_, _) ->
- ok.
+ end.
%%--------------------------------------------------------------------
init_per_testcase(_Case, Config) ->
@@ -421,6 +439,9 @@ bad_arguments(Config) when is_list(Config) ->
try
try
crypto:engine_load(fail_engine, [], [])
+ of
+ X1 ->
+ ct:fail("1 Got ~p",[X1])
catch
error:badarg ->
ok
@@ -432,6 +453,11 @@ bad_arguments(Config) when is_list(Config) ->
{<<"ID">>, <<"MD5">>},
<<"LOAD">>],
[])
+ of
+ {error,bad_engine_id} ->
+ throw(dynamic_engine_unsupported);
+ X2 ->
+ ct:fail("2 Got ~p",[X2])
catch
error:badarg ->
ok
@@ -442,13 +468,20 @@ bad_arguments(Config) when is_list(Config) ->
{'ID', <<"MD5">>},
<<"LOAD">>],
[])
+ of
+ {error,bad_engine_id} -> % should have happend in the previous try...catch end!
+ throw(dynamic_engine_unsupported);
+ X3 ->
+ ct:fail("3 Got ~p",[X3])
catch
error:badarg ->
ok
end
catch
error:notsup ->
- {skip, "Engine not supported on this SSL version"}
+ {skip, "Engine not supported on this SSL version"};
+ throw:dynamic_engine_unsupported ->
+ {skip, "Dynamic Engine not supported"}
end
end.
@@ -650,6 +683,14 @@ sign_verify_rsa(Config) ->
key_id => key_id(Config, "rsa_public_key.pem")},
sign_verify(rsa, sha, Priv, Pub).
+sign_verify_rsa_fake(Config) ->
+ %% Use fake engine rsa implementation
+ Priv = #{engine => engine_ref(Config),
+ key_id => key_id(Config, "rsa_private_key.pem")},
+ Pub = #{engine => engine_ref(Config),
+ key_id => key_id(Config, "rsa_public_key.pem")},
+ sign_verify_fake(rsa, sha256, Priv, Pub).
+
sign_verify_dsa(Config) ->
Priv = #{engine => engine_ref(Config),
key_id => key_id(Config, "dsa_private_key.pem")},
@@ -809,13 +850,18 @@ get_pub_from_priv_key_ecdsa(Config) ->
%%%================================================================
%%% Help for engine_stored_pub_priv_keys* test cases
%%%
-load_storage_engine(_Config) ->
+load_storage_engine(Config) ->
+ load_storage_engine(Config, []).
+
+load_storage_engine(_Config, ExcludeMthds) ->
case crypto:get_test_engine() of
{ok, Engine} ->
try crypto:engine_load(<<"dynamic">>,
[{<<"SO_PATH">>, Engine},
<<"LOAD">>],
- [])
+ [],
+ crypto:engine_get_all_methods() -- ExcludeMthds
+ )
catch
error:notsup ->
{error, notsup}
@@ -873,10 +919,47 @@ sign_verify(Alg, Sha, KeySign, KeyVerify) ->
true ->
PlainText = <<"Hej på dig">>,
Signature = crypto:sign(Alg, Sha, PlainText, KeySign),
- case crypto:verify(Alg, Sha, PlainText, Signature, KeyVerify) of
- true -> ok;
- _ -> {fail, "Sign-verify error"}
+ case is_fake(Signature) of
+ true ->
+ ct:pal("SIG ~p ~p size ~p~n~p",[Alg,Sha,size(Signature),Signature]),
+ {fail, "Faked RSA impl used!!"};
+ false ->
+ case crypto:verify(Alg, Sha, PlainText, Signature, KeyVerify) of
+ true -> ok;
+ _ -> {fail, "Sign-verify error"}
+ end
+ end;
+ false ->
+ {skip, lists:concat([Alg," is not supported by cryptolib"])}
+ end.
+
+
+%%% Use fake engine rsa implementation
+sign_verify_fake(Alg, Sha, KeySign, KeyVerify) ->
+ case pubkey_alg_supported(Alg) of
+ true ->
+ PlainText = <<"Fake me!">>,
+ Signature = crypto:sign(Alg, Sha, PlainText, KeySign),
+ case is_fake(Signature) of
+ true ->
+ case crypto:verify(Alg, Sha, PlainText, Signature, KeyVerify) of
+ true -> ok;
+ _ -> {fail, "Sign-verify error"}
+ end;
+ false ->
+ ct:pal("SIG ~p ~p size ~p~n~p",[Alg,Sha,size(Signature),Signature]),
+ {fail, "Faked impl not used"}
end;
false ->
{skip, lists:concat([Alg," is not supported by cryptolib"])}
end.
+
+
+is_fake(Sig) -> is_fake(Sig, 0).
+
+is_fake(<<>>, _) -> true;
+is_fake(<<B,Rest/binary>>, B) -> is_fake(Rest, B+1);
+is_fake(_, _) -> false.
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 22:09:58 +0000