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Implemented nif for crypto_pwhash_str(), crypto_pwhash_str_verify()

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This commit is contained in:
Venkatakumar Srinivasan 2017-02-17 20:15:20 -06:00 committed by Irina Guberman
parent 43cae7c7ea
commit ee0d800a9a
1 changed files with 42 additions and 2 deletions
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44
c_src/enacl_nif.c
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@ -6,6 +6,8 @@
#define ATOM_OK "ok"
#define ATOM_ERROR "error"
#define ATOM_TRUE "true"
#define ATOM_FALSE "false"
/* Errors */
static
@ -1236,12 +1238,50 @@ ERL_NIF_TERM enif_crypto_pwhash(ErlNifEnv *env, int argc, ERL_NIF_TERM const arg
static
ERL_NIF_TERM enif_crypto_pwhash_str(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return nacl_error_tuple(env, "not_implemented");
ErlNifBinary h, p;
// Validate the arguments
if( (argc != 1) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &p)) ) {
return enif_make_badarg(env);
}
// Allocate memory for return binary
if( !enif_alloc_binary(crypto_pwhash_STRBYTES, &h) ) {
return nacl_error_tuple(env, "alloc_failed");
}
if( crypto_pwhash_str(h.data, p.data, p.size,
crypto_pwhash_OPSLIMIT_INTERACTIVE, crypto_pwhash_MEMLIMIT_INTERACTIVE) != 0) {
/* out of memory */
enif_release_binary(&h);
return nacl_error_tuple(env, "out_of_memory");
}
ERL_NIF_TERM ok = enif_make_atom(env, ATOM_OK);
ERL_NIF_TERM ret = enif_make_binary(env, &h);
return enif_make_tuple2(env, ok, ret);
}
static
ERL_NIF_TERM enif_crypto_pwhash_str_verify(ErlNifEnv *env, int argc, ERL_NIF_TERM const argv[]) {
return nacl_error_tuple(env, "not_implemented");
ErlNifBinary h, p;
// Validate the arguments
if( (argc != 2) ||
(!enif_inspect_iolist_as_binary(env, argv[0], &h)) ||
(!enif_inspect_iolist_as_binary(env, argv[1], &p)) ) {
return enif_make_badarg(env);
}
ERL_NIF_TERM retVal = enif_make_atom(env, ATOM_TRUE);
if( crypto_pwhash_str_verify(h.data, p.data, p.size) != 0) {
/* wrong password */
retVal = enif_make_atom(env, ATOM_FALSE);
}
return retVal;
}
/* Tie the knot to the Erlang world */