diff options
-rw-r--r-- | lib/crypto/c_src/crypto.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 1c746b2ee1..0a2a235209 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -3230,77 +3230,6 @@ static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_T return enif_make_badarg(env); } } -#ifdef HAS_EVP_PKEY_CTX - { - EVP_PKEY_CTX *ctx = NULL; - /* Prepare my private key dh_priv and assign to CTX */ - { - EVP_PKEY *my_priv_key = EVP_PKEY_new(); - if (!EVP_PKEY_set1_DH(my_priv_key, dh_priv)) { /* set the key referenced by my_priv_key to dh_priv. - dh_priv (and my_priv_key) must be freed by us */ - DH_free(dh_priv); - EVP_PKEY_free(my_priv_key); - return atom_error; - } - DH_free(dh_priv); - ctx = EVP_PKEY_CTX_new(my_priv_key, NULL); - EVP_PKEY_free(my_priv_key); - } - /* Prepare derivation */ - EVP_PKEY_derive_init(ctx); - - /* Prepare the peers public key other_pub_key and assign to CTX */ - { - EVP_PKEY *peer_pub_key = EVP_PKEY_new(); - DH *dh_pub = DH_new(); - - if (!DH_set0_key(dh_pub, other_pub_key, NULL) - || !DH_set0_pqg(dh_pub, dh_p, NULL, dh_g) - || !EVP_PKEY_set1_DH(peer_pub_key, dh_pub)) { - EVP_PKEY_CTX_free(ctx); - return atom_error; - } - DH_free(dh_pub); - if (EVP_PKEY_derive_set_peer(ctx, peer_pub_key) <= 0) { - return atom_error; - } - } - - /* Derive the common secret and return it in an Erlang binary */ - { - size_t maxkeylen, len; - unsigned char *buf; - ErlNifBinary ret_bin; - int success; - - /* Get the common key MAX length: */ - if (EVP_PKEY_derive(ctx, NULL, &maxkeylen) <= 0) { - EVP_PKEY_CTX_free(ctx); - return atom_error; - } - - buf = enif_alloc(maxkeylen); - len = maxkeylen; - - success = - (EVP_PKEY_derive(ctx, buf, &len) > 0) - && (maxkeylen >= len); - - EVP_PKEY_CTX_free(ctx); - - if (!success) { - enif_free(buf); - return atom_error; - } - - enif_alloc_binary(len, &ret_bin); - memcpy(ret_bin.data, buf, ret_bin.size); - enif_free(buf); - - return enif_make_binary(env, &ret_bin); - } - } -#else { ErlNifBinary ret_bin; int size; @@ -3317,7 +3246,6 @@ static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_T if (size != ret_bin.size) enif_realloc_binary(&ret_bin, size); return enif_make_binary(env, &ret_bin); } -#endif } |