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Added bindings for crypto_sign_seed_keypair in libsodium

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This commit is contained in:
Ole Andre Birkedal
2019-06-08 18:19:44 +02:00
parent 885662c069
commit 6f4a0c2521
3 changed files with 51 additions and 0 deletions
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c_src/enacl_nif.c
+30
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@@ -477,6 +477,11 @@ ERL_NIF_TERM enif_crypto_sign_SECRETKEYBYTES(ErlNifEnv *env, int argc, ERL_NIF_T
return enif_make_int64(env, crypto_sign_SECRETKEYBYTES);
}
static
ERL_NIF_TERM enif_crypto_sign_SEEDBYTES(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return enif_make_int64(env, crypto_sign_SEEDBYTES);
}
static
ERL_NIF_TERM enif_crypto_sign_keypair(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary pk, sk;
@@ -498,6 +503,29 @@ ERL_NIF_TERM enif_crypto_sign_keypair(ErlNifEnv *env, int argc, ERL_NIF_TERM con
return enif_make_tuple2(env, enif_make_binary(env, &pk), enif_make_binary(env, &sk));
}
static
ERL_NIF_TERM enif_crypto_sign_seed_keypair(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
ErlNifBinary pk, sk, seed;
if (
(argc != 1) ||
(!enif_inspect_binary(env, argv[0], &seed))) {
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_seed_keypair(pk.data, sk.data, seed.data);
return enif_make_tuple2(env, enif_make_binary(env, &pk), enif_make_binary(env, &sk));
}
/*
int crypto_sign(unsigned char *sm, unsigned long long *smlen,
const unsigned char *m, unsigned long long mlen,
@@ -1667,7 +1695,9 @@ static ErlNifFunc nif_funcs[] = {
{"crypto_sign_PUBLICKEYBYTES", 0, enif_crypto_sign_PUBLICKEYBYTES},
{"crypto_sign_SECRETKEYBYTES", 0, enif_crypto_sign_SECRETKEYBYTES},
{"crypto_sign_SEEDBYTES", 0, enif_crypto_sign_SEEDBYTES},
erl_nif_dirty_job_cpu_bound_macro("crypto_sign_keypair", 0, enif_crypto_sign_keypair),
erl_nif_dirty_job_cpu_bound_macro("crypto_sign_seed_keypair", 1, enif_crypto_sign_seed_keypair),
erl_nif_dirty_job_cpu_bound_macro("crypto_sign", 2, enif_crypto_sign),
erl_nif_dirty_job_cpu_bound_macro("crypto_sign_open", 2, enif_crypto_sign_open),