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authorHans Nilsson <[email protected]>2018-03-09 09:21:01 +0100
committerHans Nilsson <[email protected]>2018-03-09 09:45:41 +0100
commitd93ec4cfd4f312049232d35942a952bb5be7d33a (patch)
treebbaa0bab5c6f0aa418c14c8fa8de13b539bc4d56 /lib/crypto
parent1f90069ac153214a0510fa862361e1e31d558b91 (diff)
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crypto: Remove undocumented, unused and erroneous functions
crypto:dh_generate_parameters and crypto:dh_check
Diffstat (limited to 'lib/crypto')
-rw-r--r--lib/crypto/c_src/crypto.c68
-rw-r--r--lib/crypto/src/crypto.erl22
2 files changed, 0 insertions, 90 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c
index 9a3ea07c97..149387bcee 100644
--- a/lib/crypto/c_src/crypto.c
+++ b/lib/crypto/c_src/crypto.c
@@ -479,8 +479,6 @@ static ERL_NIF_TERM pkey_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM a
static ERL_NIF_TERM pkey_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM pkey_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM rsa_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM dh_generate_parameters_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
-static ERL_NIF_TERM dh_check(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM dh_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
static ERL_NIF_TERM privkey_to_pubkey_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
@@ -568,8 +566,6 @@ static ErlNifFunc nif_funcs[] = {
{"pkey_verify_nif", 6, pkey_verify_nif},
{"pkey_crypt_nif", 6, pkey_crypt_nif},
{"rsa_generate_key_nif", 2, rsa_generate_key_nif},
- {"dh_generate_parameters_nif", 2, dh_generate_parameters_nif},
- {"dh_check", 1, dh_check},
{"dh_generate_key_nif", 4, dh_generate_key_nif},
{"dh_compute_key_nif", 3, dh_compute_key_nif},
{"privkey_to_pubkey_nif", 2, privkey_to_pubkey_nif},
@@ -3006,70 +3002,6 @@ static ERL_NIF_TERM rsa_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF
rsa_generate_key, argc, argv);
}
-static ERL_NIF_TERM dh_generate_parameters_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (PrimeLen, Generator) */
- int prime_len, generator;
- DH* dh_params = NULL;
- int p_len, g_len;
- unsigned char *p_ptr, *g_ptr;
- ERL_NIF_TERM ret_p, ret_g;
- const BIGNUM *dh_p, *dh_q, *dh_g;
-
- if (!enif_get_int(env, argv[0], &prime_len)
- || !enif_get_int(env, argv[1], &generator)) {
-
- return enif_make_badarg(env);
- }
-
- if (DH_generate_parameters_ex(dh_params, prime_len, generator, NULL)) {
- return atom_error;
- }
- DH_get0_pqg(dh_params, &dh_p, &dh_q, &dh_g);
- DH_free(dh_params);
- p_len = BN_num_bytes(dh_p);
- g_len = BN_num_bytes(dh_g);
- p_ptr = enif_make_new_binary(env, p_len, &ret_p);
- g_ptr = enif_make_new_binary(env, g_len, &ret_g);
- BN_bn2bin(dh_p, p_ptr);
- BN_bn2bin(dh_g, g_ptr);
- ERL_VALGRIND_MAKE_MEM_DEFINED(p_ptr, p_len);
- ERL_VALGRIND_MAKE_MEM_DEFINED(g_ptr, g_len);
- return enif_make_list2(env, ret_p, ret_g);
-}
-
-static ERL_NIF_TERM dh_check(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* ([PrimeLen, Generator]) */
- DH* dh_params;
- int i;
- ERL_NIF_TERM ret, head, tail;
- BIGNUM *dh_p, *dh_g;
-
- if (!enif_get_list_cell(env, argv[0], &head, &tail)
- || !get_bn_from_bin(env, head, &dh_p)
- || !enif_get_list_cell(env, tail, &head, &tail)
- || !get_bn_from_bin(env, head, &dh_g)
- || !enif_is_empty_list(env,tail)) {
-
- return enif_make_badarg(env);
- }
-
- dh_params = DH_new();
- DH_set0_pqg(dh_params, dh_p, NULL, dh_g);
- if (DH_check(dh_params, &i)) {
- if (i == 0) ret = atom_ok;
- else if (i & DH_CHECK_P_NOT_PRIME) ret = atom_not_prime;
- else if (i & DH_CHECK_P_NOT_SAFE_PRIME) ret = atom_not_strong_prime;
- else if (i & DH_UNABLE_TO_CHECK_GENERATOR) ret = atom_unable_to_check_generator;
- else if (i & DH_NOT_SUITABLE_GENERATOR) ret = atom_not_suitable_generator;
- else ret = enif_make_tuple2(env, atom_unknown, enif_make_uint(env, i));
- }
- else { /* Check Failed */
- ret = enif_make_tuple2(env, atom_error, atom_check_failed);
- }
- DH_free(dh_params);
- return ret;
-}
-
static ERL_NIF_TERM dh_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (PrivKey|undefined, DHParams=[P,G], Mpint, Len|0) */
DH* dh_params;
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index df259d5419..ec2a1dba0a 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -42,7 +42,6 @@
-export([stream_init/2, stream_init/3, stream_encrypt/2, stream_decrypt/2]).
-export([public_encrypt/4, private_decrypt/4]).
-export([private_encrypt/4, public_decrypt/4]).
--export([dh_generate_parameters/2, dh_check/1]). %% Testing see
-export([privkey_to_pubkey/2]).
-export([ec_curve/1, ec_curves/0]).
-export([rand_seed/1]).
@@ -1090,27 +1089,6 @@ rsa_generate_key_nif(_Bits, _Exp) -> ?nif_stub.
%% DH Diffie-Hellman functions
%%
-%% Generate (and check) Parameters is not documented because they are implemented
-%% for testing (and offline parameter generation) only.
-%% From the openssl doc:
-%% DH_generate_parameters() may run for several hours before finding a suitable prime.
-%% Thus dh_generate_parameters may in this implementation block
-%% the emulator for several hours.
-%%
-%% usage: dh_generate_parameters(1024, 2 or 5) ->
-%% [Prime=mpint(), SharedGenerator=mpint()]
-dh_generate_parameters(PrimeLen, Generator) ->
- case dh_generate_parameters_nif(PrimeLen, Generator) of
- error -> erlang:error(generation_failed, [PrimeLen,Generator]);
- Ret -> Ret
- end.
-
-dh_generate_parameters_nif(_PrimeLen, _Generator) -> ?nif_stub.
-
-%% Checks that the DHParameters are ok.
-%% DHParameters = [P (Prime)= mpint(), G(Generator) = mpint()]
-dh_check([_Prime,_Gen]) -> ?nif_stub.
-
%% DHParameters = [P (Prime)= mpint(), G(Generator) = mpint()]
%% PrivKey = mpint()
dh_generate_key_nif(_PrivateKey, _DHParameters, _Mpint, _Length) -> ?nif_stub.