diff options
-rw-r--r-- | lib/crypto/c_src/otp_test_engine.c | 144 | ||||
-rw-r--r-- | lib/crypto/test/engine_SUITE.erl | 117 | ||||
-rw-r--r-- | lib/ssh/test/ssh_engine_SUITE.erl | 11 | ||||
-rw-r--r-- | lib/ssl/test/ssl_engine_SUITE.erl | 15 |
4 files changed, 255 insertions, 32 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. + + + diff --git a/lib/ssh/test/ssh_engine_SUITE.erl b/lib/ssh/test/ssh_engine_SUITE.erl index c2e6ac1fee..3adb23acdb 100644 --- a/lib/ssh/test/ssh_engine_SUITE.erl +++ b/lib/ssh/test/ssh_engine_SUITE.erl @@ -126,10 +126,17 @@ simple_connect(Config) -> load_engine() -> case crypto:get_test_engine() of {ok, Engine} -> - try crypto:engine_load(<<"dynamic">>, + try + %% The test engine has it's own fake rsa sign/verify that + %% you don't want to use, so exclude it from methods to load: + Methods = + crypto:engine_get_all_methods() -- [engine_method_rsa], + crypto:engine_load(<<"dynamic">>, [{<<"SO_PATH">>, Engine}, <<"LOAD">>], - []) + [], + Methods + ) catch error:notsup -> {error, notsup} diff --git a/lib/ssl/test/ssl_engine_SUITE.erl b/lib/ssl/test/ssl_engine_SUITE.erl index e6c82d3eb5..a39a62e550 100644 --- a/lib/ssl/test/ssl_engine_SUITE.erl +++ b/lib/ssl/test/ssl_engine_SUITE.erl @@ -46,10 +46,17 @@ init_per_suite(Config) -> ssl_test_lib:clean_start(), case crypto:get_test_engine() of {ok, EngineName} -> - try crypto:engine_load(<<"dynamic">>, - [{<<"SO_PATH">>, EngineName}, - <<"LOAD">>], - []) of + try + %% The test engine has it's own fake rsa sign/verify that + %% you don't want to use, so exclude it from methods to load: + Methods = + crypto:engine_get_all_methods() -- [engine_method_rsa], + crypto:engine_load(<<"dynamic">>, + [{<<"SO_PATH">>, EngineName}, + <<"LOAD">>], + [], + Methods) + of {ok, Engine} -> [{engine, Engine} |Config]; {error, Reason} -> |