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Handle signing keypair generation.

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This commit is contained in:
Jesper Louis Andersen 2014-11-24 19:30:04 +01:00
parent 2324b73534
commit 265d8c7636
1 changed files with 37 additions and 0 deletions
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37
c_src/enacl_nif.c
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@ -145,6 +145,39 @@ ERL_NIF_TERM enif_crypto_box_open(ErlNifEnv *env, int argc, ERL_NIF_TERM const a
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_tuple3(env, enif_make_atom(env, "ok"), enif_make_binary(env, &pk), enif_make_binary(env, &sk));
}
/* Secret key cryptography */
static
@ -426,6 +459,10 @@ static ErlNifFunc nif_funcs[] = {
{"crypto_box", 4, enif_crypto_box, ERL_NIF_DIRTY_JOB_CPU_BOUND},
{"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_secretbox_NONCEBYTES", 0, enif_crypto_secretbox_NONCEBYTES},
{"crypto_secretbox_ZEROBYTES", 0, enif_crypto_secretbox_ZEROBYTES},
{"crypto_secretbox_BOXZEROBYTES", 0, enif_crypto_secretbox_BOXZEROBYTES},