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enacl/c_src/enacl_nif.c
Jesper Louis Andersen fd9f421621 Introduce enacl:randombytes/1.
2014-12-09 00:33:55 +01:00

644 lines
18 KiB
C
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#include "erl_nif.h"
#include <sodium.h>
/* Errors */
static
ERL_NIF_TERM nacl_error_tuple(ErlNifEnv *env, char *error_atom) {
return enif_make_tuple2(env, enif_make_atom(env, "error"), enif_make_atom(env, error_atom));
}
/* Initialization */
static
int enif_crypto_load(ErlNifEnv *env, void **priv_data, ERL_NIF_TERM load_info) {
sodium_init();
return 0;
}
/* Low-level functions (Hashing, String Equality, ...) */
static
ERL_NIF_TERM enif_crypto_hash(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary input;
ErlNifBinary result;
if ((argc != 1) || (!enif_inspect_iolist_as_binary(env, argv[0], &input))) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(crypto_hash_BYTES, &result)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_hash(result.data, input.data, input.size);
return enif_make_binary(env, &result);
}
static
ERL_NIF_TERM enif_crypto_verify_16(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary x,y;
if ((argc != 2) || (!enif_inspect_binary(env, argv[0], &x))
|| (!enif_inspect_binary(env, argv[1], &y))) {
return enif_make_badarg(env);
}
if (x.size != 16 || y.size != 16) {
return enif_make_badarg(env);
}
if (0 == crypto_verify_16(x.data, y.data)) {
return enif_make_atom(env, "true");
} else {
return enif_make_atom(env, "false");
}
}
static
ERL_NIF_TERM enif_crypto_verify_32(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary x,y;
if ((argc != 2) || (!enif_inspect_binary(env, argv[0], &x))
|| (!enif_inspect_binary(env, argv[1], &y))) {
return enif_make_badarg(env);
}
if (x.size != 32 || y.size != 32) {
return enif_make_badarg(env);
}
if (0 == crypto_verify_32(x.data, y.data)) {
return enif_make_atom(env, "true");
} else {
return enif_make_atom(env, "false");
}
}
/* Public-key cryptography */
static
ERL_NIF_TERM enif_crypto_box_NONCEBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_box_NONCEBYTES);
}
static
ERL_NIF_TERM enif_crypto_box_ZEROBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_box_ZEROBYTES);
}
static
ERL_NIF_TERM enif_crypto_box_BOXZEROBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_box_BOXZEROBYTES);
}
static
ERL_NIF_TERM enif_crypto_box_PUBLICKEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_box_PUBLICKEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_box_SECRETKEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_box_SECRETKEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_box_keypair(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary pk, sk;
if (argc != 0) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(crypto_box_PUBLICKEYBYTES, &pk)) {
return nacl_error_tuple(env, "alloc_failed");
}
if (!enif_alloc_binary(crypto_box_SECRETKEYBYTES, &sk)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_box_keypair(pk.data, sk.data);
return enif_make_tuple2(env, enif_make_binary(env, &pk), enif_make_binary(env, &sk));
}
static
ERL_NIF_TERM enif_crypto_box(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary padded_msg, nonce, pk, sk, result;
if (
(argc != 4) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &padded_msg)) ||
(!enif_inspect_binary(env, argv[1], &nonce)) ||
(!enif_inspect_binary(env, argv[2], &pk)) ||
(!enif_inspect_binary(env, argv[3], &sk))) {
return enif_make_badarg(env);
}
if (
(nonce.size != crypto_box_NONCEBYTES) ||
(pk.size != crypto_box_PUBLICKEYBYTES) ||
(sk.size != crypto_box_SECRETKEYBYTES) ||
(padded_msg.size < crypto_box_ZEROBYTES)) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(padded_msg.size, &result)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_box(result.data, padded_msg.data, padded_msg.size, nonce.data, pk.data, sk.data);
return enif_make_sub_binary(
env,
enif_make_binary(env, &result),
crypto_box_BOXZEROBYTES,
padded_msg.size - crypto_box_BOXZEROBYTES);
}
static
ERL_NIF_TERM enif_crypto_box_open(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary padded_ciphertext, nonce, pk, sk, result;
if (
(argc != 4) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &padded_ciphertext)) ||
(!enif_inspect_binary(env, argv[1], &nonce)) ||
(!enif_inspect_binary(env, argv[2], &pk)) ||
(!enif_inspect_binary(env, argv[3], &sk))) {
return enif_make_badarg(env);
}
if (
(nonce.size != crypto_box_NONCEBYTES) ||
(pk.size != crypto_box_PUBLICKEYBYTES) ||
(sk.size != crypto_box_SECRETKEYBYTES) ||
(padded_ciphertext.size < crypto_box_BOXZEROBYTES)) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(padded_ciphertext.size, &result)) {
return nacl_error_tuple(env, "alloc_failed");
}
if (crypto_box_open(result.data, padded_ciphertext.data, padded_ciphertext.size, nonce.data, pk.data, sk.data) != 0) {
enif_release_binary(&result);
return nacl_error_tuple(env, "failed_verification");
}
return enif_make_sub_binary(
env,
enif_make_binary(env, &result),
crypto_box_ZEROBYTES,
padded_ciphertext.size - crypto_box_ZEROBYTES);
}
/* Signing */
static
ERL_NIF_TERM enif_crypto_sign_PUBLICKEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_sign_PUBLICKEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_sign_SECRETKEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_sign_SECRETKEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_sign_keypair(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary pk, sk;
if (argc != 0) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(crypto_sign_PUBLICKEYBYTES, &pk)) {
return nacl_error_tuple(env, "alloc_failed");
}
if (!enif_alloc_binary(crypto_sign_SECRETKEYBYTES, &sk)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_sign_keypair(pk.data, sk.data);
return enif_make_tuple2(env, enif_make_binary(env, &pk), enif_make_binary(env, &sk));
}
static
ERL_NIF_TERM enif_crypto_sign(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary m, sk, sm;
unsigned long long smlen;
if (
(argc != 2) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &m)) ||
(!enif_inspect_binary(env, argv[1], &sk))) {
return enif_make_badarg(env);
}
if (sk.size != crypto_sign_SECRETKEYBYTES) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(m.size + crypto_sign_BYTES, &sm)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_sign(sm.data, &smlen, m.data, m.size, sk.data);
return enif_make_sub_binary(env, enif_make_binary(env, &sm), 0, smlen);
}
static
ERL_NIF_TERM enif_crypto_sign_open(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary m, sm, pk;
unsigned long long mlen;
if (
(argc != 2) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &sm)) ||
(!enif_inspect_binary(env, argv[1], &pk))) {
return enif_make_badarg(env);
}
if (pk.size != crypto_sign_PUBLICKEYBYTES) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(sm.size, &m)) {
return nacl_error_tuple(env, "alloc_failed");
}
if (0 == crypto_sign_open(m.data, &mlen, sm.data, sm.size, pk.data)) {
return enif_make_sub_binary(env, enif_make_binary(env, &m), 0, mlen);
} else {
enif_release_binary(&m);
return nacl_error_tuple(env, "failed_verification");
}
}
/* Secret key cryptography */
static
ERL_NIF_TERM enif_crypto_secretbox_NONCEBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_secretbox_NONCEBYTES);
}
static
ERL_NIF_TERM enif_crypto_secretbox_KEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_secretbox_KEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_secretbox_ZEROBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_secretbox_ZEROBYTES);
}
static
ERL_NIF_TERM enif_crypto_secretbox_BOXZEROBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_secretbox_BOXZEROBYTES);
}
static
ERL_NIF_TERM enif_crypto_stream_KEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_stream_KEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_stream_NONCEBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_stream_NONCEBYTES);
}
static
ERL_NIF_TERM enif_crypto_auth_BYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_auth_BYTES);
}
static
ERL_NIF_TERM enif_crypto_auth_KEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_auth_KEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_onetimeauth_BYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_onetimeauth_BYTES);
}
static
ERL_NIF_TERM enif_crypto_onetimeauth_KEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_onetimeauth_KEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_secretbox(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary key, nonce, padded_msg, padded_ciphertext;
if (
(argc != 3) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &padded_msg)) ||
(!enif_inspect_binary(env, argv[1], &nonce)) ||
(!enif_inspect_binary(env, argv[2], &key))) {
return enif_make_badarg(env);
}
if (
(key.size != crypto_secretbox_KEYBYTES) ||
(nonce.size != crypto_secretbox_NONCEBYTES) ||
(padded_msg.size < crypto_secretbox_ZEROBYTES)) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(padded_msg.size, &padded_ciphertext)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_secretbox(
padded_ciphertext.data,
padded_msg.data, padded_msg.size,
nonce.data,
key.data);
return enif_make_sub_binary(env,
enif_make_binary(env, &padded_ciphertext),
crypto_secretbox_BOXZEROBYTES,
padded_msg.size - crypto_secretbox_BOXZEROBYTES);
}
static
ERL_NIF_TERM enif_crypto_secretbox_open(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary key, nonce, padded_ciphertext, padded_msg;
if (
(argc != 3) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &padded_ciphertext)) ||
(!enif_inspect_binary(env, argv[1], &nonce)) ||
(!enif_inspect_binary(env, argv[2], &key))) {
return enif_make_badarg(env);
}
if (
(key.size != crypto_secretbox_KEYBYTES) ||
(nonce.size != crypto_secretbox_NONCEBYTES) ||
(padded_ciphertext.size < crypto_secretbox_BOXZEROBYTES)) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(padded_ciphertext.size, &padded_msg)) {
return nacl_error_tuple(env, "alloc_failed");
}
if (crypto_secretbox_open(
padded_msg.data,
padded_ciphertext.data,
padded_ciphertext.size,
nonce.data,
key.data) != 0) {
enif_release_binary(&padded_msg);
return nacl_error_tuple(env, "failed_verification");
}
return enif_make_sub_binary(
env,
enif_make_binary(env, &padded_msg),
crypto_secretbox_ZEROBYTES,
padded_ciphertext.size - crypto_secretbox_ZEROBYTES);
}
static
ERL_NIF_TERM enif_crypto_stream(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary c, n, k;
ErlNifUInt64 clen;
if (
(argc != 3) ||
(!enif_get_uint64(env, argv[0], &clen)) ||
(!enif_inspect_binary(env, argv[1], &n)) ||
(!enif_inspect_binary(env, argv[2], &k))) {
return enif_make_badarg(env);
}
if (
(k.size != crypto_stream_KEYBYTES) ||
(n.size != crypto_stream_NONCEBYTES)) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(clen, &c)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_stream(c.data, c.size, n.data, k.data);
return enif_make_binary(env, &c);
}
static
ERL_NIF_TERM enif_crypto_stream_xor(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary c, m, n, k;
if (
(argc != 3) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &m)) ||
(!enif_inspect_binary(env, argv[1], &n)) ||
(!enif_inspect_binary(env, argv[2], &k))) {
return enif_make_badarg(env);
}
if (
(k.size != crypto_stream_KEYBYTES) ||
(n.size != crypto_stream_NONCEBYTES)) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(m.size, &c)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_stream_xor(c.data, m.data, m.size, n.data, k.data);
return enif_make_binary(env, &c);
}
static
ERL_NIF_TERM enif_crypto_auth(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary a,m,k;
if (
(argc != 2) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &m)) ||
(!enif_inspect_binary(env, argv[1], &k))) {
return enif_make_badarg(env);
}
if (k.size != crypto_auth_KEYBYTES) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(crypto_auth_BYTES, &a)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_auth(a.data, m.data, m.size, k.data);
return enif_make_binary(env, &a);
}
static
ERL_NIF_TERM enif_crypto_auth_verify(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary a, m, k;
if (
(argc != 3) ||
(!enif_inspect_binary(env, argv[0], &a)) ||
(!enif_inspect_iolist_as_binary(env, argv[1], &m)) ||
(!enif_inspect_binary(env, argv[2], &k))) {
return enif_make_badarg(env);
}
if (
(k.size != crypto_auth_KEYBYTES) ||
(a.size != crypto_auth_BYTES)) {
return enif_make_badarg(env);
}
if (0 == crypto_auth_verify(a.data, m.data, m.size, k.data)) {
return enif_make_atom(env, "true");
} else {
return enif_make_atom(env, "false");
}
}
static
ERL_NIF_TERM enif_crypto_onetimeauth(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary a,m,k;
if (
(argc != 2) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &m)) ||
(!enif_inspect_binary(env, argv[1], &k))) {
return enif_make_badarg(env);
}
if (k.size != crypto_onetimeauth_KEYBYTES) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(crypto_onetimeauth_BYTES, &a)) {
return nacl_error_tuple(env, "alloc_failed");
}
crypto_onetimeauth(a.data, m.data, m.size, k.data);
return enif_make_binary(env, &a);
}
static
ERL_NIF_TERM enif_crypto_onetimeauth_verify(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary a, m, k;
if (
(argc != 3) ||
(!enif_inspect_binary(env, argv[0], &a)) ||
(!enif_inspect_iolist_as_binary(env, argv[1], &m)) ||
(!enif_inspect_binary(env, argv[2], &k))) {
return enif_make_badarg(env);
}
if (
(k.size != crypto_onetimeauth_KEYBYTES) ||
(a.size != crypto_onetimeauth_BYTES)) {
return enif_make_badarg(env);
}
if (0 == crypto_onetimeauth_verify(a.data, m.data, m.size, k.data)) {
return enif_make_atom(env, "true");
} else {
return enif_make_atom(env, "false");
}
}
static
ERL_NIF_TERM enif_randombytes(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[])
{
size_t req_size;
ErlNifBinary result;
if ((argc != 1) || (!enif_get_uint64(env, argv[0], &req_size))) {
return enif_make_badarg(env);
}
if (!enif_alloc_binary(req_size, &result)) {
return nacl_error_tuple(env, "alloc_failed");
}
randombytes(result.data, result.size);
return enif_make_binary(env, &result);
}
/* Tie the knot to the Erlang world */
static ErlNifFunc nif_funcs[] = {
{"crypto_box_NONCEBYTES", 0, enif_crypto_box_NONCEBYTES},
{"crypto_box_ZEROBYTES", 0, enif_crypto_box_ZEROBYTES},
{"crypto_box_BOXZEROBYTES", 0, enif_crypto_box_BOXZEROBYTES},
{"crypto_box_PUBLICKEYBYTES", 0, enif_crypto_box_PUBLICKEYBYTES},
{"crypto_box_SECRETKEYBYTES", 0, enif_crypto_box_SECRETKEYBYTES},
{"crypto_box_keypair", 0, enif_crypto_box_keypair},
{"crypto_box_b", 4, enif_crypto_box},
{"crypto_box", 4, enif_crypto_box, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_box_open_b", 4, enif_crypto_box_open},
{"crypto_box_open", 4, enif_crypto_box_open, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_sign_PUBLICKEYBYTES", 0, enif_crypto_sign_PUBLICKEYBYTES},
{"crypto_sign_SECRETKEYBYTES", 0, enif_crypto_sign_SECRETKEYBYTES},
{"crypto_sign_keypair", 0, enif_crypto_sign_keypair},
{"crypto_sign_b", 2, enif_crypto_sign},
{"crypto_sign", 2, enif_crypto_sign, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_sign_open_b", 2, enif_crypto_sign_open},
{"crypto_sign_open", 2, enif_crypto_sign_open, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_secretbox_NONCEBYTES", 0, enif_crypto_secretbox_NONCEBYTES},
{"crypto_secretbox_ZEROBYTES", 0, enif_crypto_secretbox_ZEROBYTES},
{"crypto_secretbox_BOXZEROBYTES", 0, enif_crypto_secretbox_BOXZEROBYTES},
{"crypto_secretbox_KEYBYTES", 0, enif_crypto_secretbox_KEYBYTES},
{"crypto_secretbox_b", 3, enif_crypto_secretbox},
{"crypto_secretbox", 3, enif_crypto_secretbox, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_secretbox_open_b", 3, enif_crypto_secretbox_open},
{"crypto_secretbox_open", 3, enif_crypto_secretbox_open, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_stream_KEYBYTES", 0, enif_crypto_stream_KEYBYTES},
{"crypto_stream_NONCEBYTES", 0, enif_crypto_stream_NONCEBYTES},
{"crypto_stream_b", 3, enif_crypto_stream},
{"crypto_stream", 3, enif_crypto_stream, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_stream_xor_b", 3, enif_crypto_stream_xor},
{"crypto_stream_xor", 3, enif_crypto_stream_xor, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_auth_BYTES", 0, enif_crypto_auth_BYTES},
{"crypto_auth_KEYBYTES", 0, enif_crypto_auth_KEYBYTES},
{"crypto_auth_b", 2, enif_crypto_auth},
{"crypto_auth", 2, enif_crypto_auth, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_auth_verify_b", 3, enif_crypto_auth_verify},
{"crypto_auth_verify", 3, enif_crypto_auth_verify, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_onetimeauth_BYTES", 0, enif_crypto_onetimeauth_BYTES},
{"crypto_onetimeauth_KEYBYTES", 0, enif_crypto_onetimeauth_KEYBYTES},
{"crypto_onetimeauth_b", 2, enif_crypto_onetimeauth},
{"crypto_onetimeauth", 2, enif_crypto_onetimeauth, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_onetimeauth_verify_b", 3, enif_crypto_onetimeauth_verify},
{"crypto_onetimeauth_verify", 3, enif_crypto_onetimeauth_verify, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_hash_b", 1, enif_crypto_hash},
{"crypto_hash", 1, enif_crypto_hash, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"crypto_verify_16", 2, enif_crypto_verify_16},
{"crypto_verify_32", 2, enif_crypto_verify_32},
{"randombytes_b", 1, enif_randombytes},
{"randombytes", 1, enif_randombytes, ERL_NIF_DIRTY_JOB_CPU_BOUND}
};
ERL_NIF_INIT(enacl_nif, nif_funcs, enif_crypto_load, NULL, NULL, NULL);
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