diff options
Diffstat (limited to 'lib/crypto')
-rw-r--r-- | lib/crypto/c_src/crypto.c | 111 | ||||
-rw-r--r-- | lib/crypto/c_src/otp_test_engine.c | 178 | ||||
-rw-r--r-- | lib/crypto/src/crypto.erl | 6 | ||||
-rw-r--r-- | lib/crypto/test/crypto_SUITE.erl | 20 | ||||
-rw-r--r-- | lib/crypto/test/engine_SUITE.erl | 132 |
5 files changed, 354 insertions, 93 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index ecb716c98c..df607732bf 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -4234,9 +4234,9 @@ static ERL_NIF_TERM evp_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_ { #ifdef HAVE_ED_CURVE_DH int type; - EVP_PKEY_CTX *ctx; + EVP_PKEY_CTX *ctx = NULL; ErlNifBinary peer_bin, my_bin, key_bin; - EVP_PKEY *peer_key, *my_key; + EVP_PKEY *peer_key = NULL, *my_key = NULL; size_t max_size; if (argv[0] == atom_x25519) type = EVP_PKEY_X25519; @@ -4244,41 +4244,43 @@ static ERL_NIF_TERM evp_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_ else return enif_make_badarg(env); if (!enif_inspect_binary(env, argv[1], &peer_bin) || - !enif_inspect_binary(env, argv[2], &my_bin)) { - return enif_make_badarg(env); - } + !enif_inspect_binary(env, argv[2], &my_bin)) + goto return_badarg; if (!(my_key = EVP_PKEY_new_raw_private_key(type, NULL, my_bin.data, my_bin.size)) || - !(ctx = EVP_PKEY_CTX_new(my_key, NULL))) { - return enif_make_badarg(env); - } + !(ctx = EVP_PKEY_CTX_new(my_key, NULL))) + goto return_badarg; - if (!EVP_PKEY_derive_init(ctx)) { - return enif_make_badarg(env); - } + if (!EVP_PKEY_derive_init(ctx)) + goto return_badarg; if (!(peer_key = EVP_PKEY_new_raw_public_key(type, NULL, peer_bin.data, peer_bin.size)) || - !EVP_PKEY_derive_set_peer(ctx, peer_key)) { - return enif_make_badarg(env); - } + !EVP_PKEY_derive_set_peer(ctx, peer_key)) + goto return_badarg; - if (!EVP_PKEY_derive(ctx, NULL, &max_size)) { - return enif_make_badarg(env); - } + if (!EVP_PKEY_derive(ctx, NULL, &max_size)) + goto return_badarg; if (!enif_alloc_binary(max_size, &key_bin) || - !EVP_PKEY_derive(ctx, key_bin.data, &key_bin.size)) { - return enif_make_badarg(env); - } + !EVP_PKEY_derive(ctx, key_bin.data, &key_bin.size)) + goto return_badarg; if (key_bin.size < max_size) { size_t actual_size = key_bin.size; - if (!enif_realloc_binary(&key_bin, actual_size)) { - return enif_make_badarg(env); - } + if (!enif_realloc_binary(&key_bin, actual_size)) + goto return_badarg; } + EVP_PKEY_free(my_key); + EVP_PKEY_free(peer_key); + EVP_PKEY_CTX_free(ctx); return enif_make_binary(env, &key_bin); + +return_badarg: + if (my_key) EVP_PKEY_free(my_key); + if (peer_key) EVP_PKEY_free(peer_key); + if (ctx) EVP_PKEY_CTX_free(ctx); + return enif_make_badarg(env); #else return atom_notsup; #endif @@ -4289,7 +4291,7 @@ static ERL_NIF_TERM evp_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF { #ifdef HAVE_ED_CURVE_DH int type; - EVP_PKEY_CTX *ctx; + EVP_PKEY_CTX *ctx = NULL; EVP_PKEY *pkey = NULL; ERL_NIF_TERM ret_pub, ret_prv; size_t key_len; @@ -4300,22 +4302,30 @@ static ERL_NIF_TERM evp_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF if (!(ctx = EVP_PKEY_CTX_new_id(type, NULL))) return enif_make_badarg(env); - if (!EVP_PKEY_keygen_init(ctx)) return atom_error; - if (!EVP_PKEY_keygen(ctx, &pkey)) return atom_error; + if (!EVP_PKEY_keygen_init(ctx)) goto return_error; + if (!EVP_PKEY_keygen(ctx, &pkey)) goto return_error; - if (!EVP_PKEY_get_raw_public_key(pkey, NULL, &key_len)) return atom_error; + if (!EVP_PKEY_get_raw_public_key(pkey, NULL, &key_len)) goto return_error; if (!EVP_PKEY_get_raw_public_key(pkey, enif_make_new_binary(env, key_len, &ret_pub), &key_len)) - return atom_error; + goto return_error; - if (!EVP_PKEY_get_raw_private_key(pkey, NULL, &key_len)) return atom_error; + if (!EVP_PKEY_get_raw_private_key(pkey, NULL, &key_len)) goto return_error; if (!EVP_PKEY_get_raw_private_key(pkey, enif_make_new_binary(env, key_len, &ret_prv), &key_len)) - return atom_error; + goto return_error; + EVP_PKEY_free(pkey); + EVP_PKEY_CTX_free(ctx); return enif_make_tuple2(env, ret_pub, ret_prv); + +return_error: + if (pkey) EVP_PKEY_free(pkey); + if (ctx) EVP_PKEY_CTX_free(ctx); + return atom_error; + #else return atom_notsup; #endif @@ -4524,7 +4534,7 @@ static int get_engine_and_key_id(ErlNifEnv *env, ERL_NIF_TERM key, char ** id, E static char *get_key_password(ErlNifEnv *env, ERL_NIF_TERM key) { ERL_NIF_TERM tmp_term; ErlNifBinary pwd_bin; - char *pwd; + char *pwd = NULL; if (enif_get_map_value(env, key, atom_password, &tmp_term) && enif_inspect_binary(env, tmp_term, &pwd_bin) && zero_terminate(pwd_bin, &pwd) @@ -4549,16 +4559,17 @@ static int get_pkey_private_key(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_ #ifdef HAS_ENGINE_SUPPORT /* Use key stored in engine */ ENGINE *e; - char *id; + char *id = NULL; char *password; if (!get_engine_and_key_id(env, key, &id, &e)) return PKEY_BADARG; password = get_key_password(env, key); *pkey = ENGINE_load_private_key(e, id, NULL, password); + if (password) enif_free(password); + enif_free(id); if (!*pkey) return PKEY_BADARG; - enif_free(id); #else return PKEY_BADARG; #endif @@ -4636,16 +4647,17 @@ static int get_pkey_public_key(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_T #ifdef HAS_ENGINE_SUPPORT /* Use key stored in engine */ ENGINE *e; - char *id; + char *id = NULL; char *password; if (!get_engine_and_key_id(env, key, &id, &e)) return PKEY_BADARG; password = get_key_password(env, key); *pkey = ENGINE_load_public_key(e, id, NULL, password); + if (password) enif_free(password); + enif_free(id); if (!pkey) return PKEY_BADARG; - enif_free(id); #else return PKEY_BADARG; #endif @@ -4809,6 +4821,7 @@ printf("\r\n"); EVP_MD_CTX_free(mdctx); goto badarg; } + EVP_MD_CTX_free(mdctx); #else goto badarg; #endif @@ -5120,6 +5133,15 @@ static int get_pkey_crypt_options(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NI return PKEY_OK; } +static size_t size_of_RSA(EVP_PKEY *pkey) { + size_t tmplen; + RSA *rsa = EVP_PKEY_get1_RSA(pkey); + if (rsa == NULL) return 0; + tmplen = RSA_size(rsa); + RSA_free(rsa); + return tmplen; +} + static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) {/* (Algorithm, Data, PublKey=[E,N]|[E,N,D]|[E,N,D,P1,P2,E1,E2,C], Options, IsPrivate, IsEncrypt) */ int i; @@ -5217,9 +5239,8 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM #ifdef HAVE_RSA_SSLV23_PADDING if (crypt_opt.rsa_padding == RSA_SSLV23_PADDING) { if (is_encrypt) { - RSA *rsa = EVP_PKEY_get1_RSA(pkey); - if (rsa == NULL) goto badarg; - tmplen = RSA_size(rsa); + tmplen = size_of_RSA(pkey); + if (tmplen == 0) goto badarg; if (!enif_alloc_binary(tmplen, &tmp_bin)) goto badarg; if (RSA_padding_add_SSLv23(tmp_bin.data, tmplen, in_bin.data, in_bin.size) <= 0) goto badarg; @@ -5239,7 +5260,7 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM if (crypt_opt.rsa_mgf1_md != NULL && EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, crypt_opt.rsa_mgf1_md) <= 0) goto badarg; if (crypt_opt.rsa_oaep_label.data != NULL && crypt_opt.rsa_oaep_label.size > 0) { - unsigned char *label_copy; + unsigned char *label_copy = NULL; label_copy = OPENSSL_malloc(crypt_opt.rsa_oaep_label.size); if (label_copy == NULL) goto badarg; memcpy((void *)(label_copy), (const void *)(crypt_opt.rsa_oaep_label.data), @@ -5351,14 +5372,11 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM if ((i > 0) && argv[0] == atom_rsa && !is_encrypt) { #ifdef HAVE_RSA_SSLV23_PADDING if (crypt_opt.rsa_padding == RSA_SSLV23_PADDING) { - RSA *rsa = EVP_PKEY_get1_RSA(pkey); unsigned char *p; - if (rsa == NULL) goto badarg; - tmplen = RSA_size(rsa); - if (!enif_alloc_binary(tmplen, &tmp_bin)) { - RSA_free(rsa); + tmplen = size_of_RSA(pkey); + if (tmplen == 0) goto badarg; + if (!enif_alloc_binary(tmplen, &tmp_bin)) goto badarg; - } p = out_bin.data; p++; i = RSA_padding_check_SSLv23(tmp_bin.data, tmplen, p, out_bin.size - 1, tmplen); @@ -5369,7 +5387,6 @@ static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM tmp_bin = in_bin; i = 1; } - RSA_free(rsa); } #endif } @@ -5432,6 +5449,7 @@ static ERL_NIF_TERM privkey_to_pubkey_nif(ErlNifEnv* env, int argc, const ERL_NI RSA_get0_key(rsa, &n, &e, &d); result[0] = bin_from_bn(env, e); // Exponent E result[1] = bin_from_bn(env, n); // Modulus N = p*q + RSA_free(rsa); EVP_PKEY_free(pkey); return enif_make_list_from_array(env, result, 2); } @@ -5446,6 +5464,7 @@ static ERL_NIF_TERM privkey_to_pubkey_nif(ErlNifEnv* env, int argc, const ERL_NI result[1] = bin_from_bn(env, q); result[2] = bin_from_bn(env, g); result[3] = bin_from_bn(env, pub_key); + DSA_free(dsa); EVP_PKEY_free(pkey); return enif_make_list_from_array(env, result, 4); } diff --git a/lib/crypto/c_src/otp_test_engine.c b/lib/crypto/c_src/otp_test_engine.c index 34c825059f..2c8cce094e 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 +61,41 @@ static const char *test_engine_id = "MD5"; static const char *test_engine_name = "MD5 test engine"; -/* 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); +#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 callbacks that does the job of fetching keys on demand by the Engine */ +EVP_PKEY* test_privkey_load(ENGINE *eng, const char *id, UI_METHOD *ui_method, void *callback_data); +EVP_PKEY* test_pubkey_load(ENGINE *eng, const char *id, UI_METHOD *ui_method, void *callback_data); +EVP_PKEY* test_key_load(ENGINE *er, const char *id, UI_METHOD *ui_method, void *callback_data, int priv); + +/*----------------------------------------------------------------*/ 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 +112,19 @@ 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 @@ -184,19 +230,34 @@ 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; } @@ -211,24 +272,29 @@ IMPLEMENT_DYNAMIC_BIND_FN(bind_helper); */ int pem_passwd_cb_fun(char *buf, int size, int rwflag, void *password); -EVP_PKEY* test_key_load(ENGINE *er, const char *id, UI_METHOD *ui_method, void *callback_data) +EVP_PKEY* test_privkey_load(ENGINE *eng, const char *id, UI_METHOD *ui_method, void *callback_data) { + return test_key_load(eng, id, ui_method, callback_data, 1); +} + +EVP_PKEY* test_pubkey_load(ENGINE *eng, const char *id, UI_METHOD *ui_method, void *callback_data) { + return test_key_load(eng, id, ui_method, callback_data, 0); +} + +EVP_PKEY* test_key_load(ENGINE *eng, const char *id, UI_METHOD *ui_method, void *callback_data, int priv) { EVP_PKEY *pkey = NULL; FILE *f = fopen(id, "r"); if (!f) { - fprintf(stderr, "%s:%d fopen(%s) failed\r\n", __FILE__,__LINE__,id); - return NULL; + fprintf(stderr, "%s:%d fopen(%s) failed\r\n", __FILE__,__LINE__,id); + return NULL; } - /* First try to read as a private key. If that fails, try to read as a public key: */ - pkey = PEM_read_PrivateKey(f, NULL, pem_passwd_cb_fun, callback_data); - if (!pkey) { - /* ERR_print_errors_fp (stderr); */ - fclose(f); - f = fopen(id, "r"); - pkey = PEM_read_PUBKEY(f, NULL, NULL, NULL); - } + pkey = + priv + ? PEM_read_PrivateKey(f, NULL, pem_passwd_cb_fun, callback_data) + : PEM_read_PUBKEY(f, NULL, NULL, NULL); + fclose(f); if (!pkey) { @@ -278,3 +344,71 @@ 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/src/crypto.erl b/lib/crypto/src/crypto.erl index af53a72e16..72cb9aabfd 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -1224,7 +1224,11 @@ engine_load_1(Engine, PreCmds, PostCmds, EngineMethods) -> throw:Error -> %% The engine couldn't initialise, release the structural reference ok = engine_free_nif(Engine), - throw(Error) + throw(Error); + error:badarg -> + %% For example bad argument list, release the structural reference + ok = engine_free_nif(Engine), + error(badarg) end. engine_load_2(Engine, PostCmds, EngineMethods) -> diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl index e1dd3f2ace..6c6188f775 100644 --- a/lib/crypto/test/crypto_SUITE.erl +++ b/lib/crypto/test/crypto_SUITE.erl @@ -38,6 +38,7 @@ all() -> mod_pow, exor, rand_uniform, + rand_threads, rand_plugin, rand_plugin_s ]. @@ -614,6 +615,25 @@ rand_uniform(Config) when is_list(Config) -> 10 = byte_size(crypto:strong_rand_bytes(10)). %%-------------------------------------------------------------------- +rand_threads() -> + [{doc, "strong_rand_bytes in parallel threads"}]. +rand_threads(Config) when is_list(Config) -> + %% This will crash the emulator on at least one version of libcrypto + %% with buggy multithreading in RAND_bytes(). + %% The test needs to run at least a few minutes... + NofThreads = 4, + Fun = fun F() -> crypto:strong_rand_bytes(16), F() end, + PidRefs = [spawn_monitor(Fun) || _ <- lists:seq(1, NofThreads)], +%%% The test case takes too much time to run. +%%% Keep it around for reference by setting it down to just 10 seconds. +%%% receive after 10 * 60 * 1000 -> ok end, % 10 minutes + receive after 10 * 1000 -> ok end, % 10 seconds + spawn_link(fun () -> receive after 5000 -> exit(timeout) end end), + [exit(Pid, stop) || {Pid,_Ref} <- PidRefs], + [receive {'DOWN',Ref,_,_,stop} -> ok end || {_Pid,Ref} <- PidRefs], + ok. + +%%-------------------------------------------------------------------- rand_plugin() -> [{doc, "crypto rand plugin testing (implicit state / process dictionary)"}]. rand_plugin(Config) when is_list(Config) -> diff --git a/lib/crypto/test/engine_SUITE.erl b/lib/crypto/test/engine_SUITE.erl index 0427923941..8a45fc9076 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. @@ -554,11 +587,11 @@ ctrl_cmd_string(Config) when is_list(Config) -> {ok, E} -> case crypto:engine_ctrl_cmd_string(E, <<"TEST">>, <<"17">>) of ok -> + ok = crypto:engine_unload(E), ct:fail(fail_ctrl_cmd_should_fail); {error,ctrl_cmd_failed} -> - ok - end, - ok = crypto:engine_unload(E); + ok = crypto:engine_unload(E) + end; {error, bad_engine_id} -> {skip, "Dynamic Engine not supported"} end @@ -584,11 +617,12 @@ ctrl_cmd_string_optional(Config) when is_list(Config) -> {ok, E} -> case crypto:engine_ctrl_cmd_string(E, <<"TEST">>, <<"17">>, true) of ok -> - ok; - _ -> + ok = crypto:engine_unload(E); + Err -> + ct:log("Error: ~p",[Err]), + ok = crypto:engine_unload(E), ct:fail(fail_ctrl_cmd_string) - end, - ok = crypto:engine_unload(E); + end; {error, bad_engine_id} -> {skip, "Dynamic Engine not supported"} end @@ -650,6 +684,14 @@ 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 +851,18 @@ 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 +920,47 @@ 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. + + + |