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/// @file
#include "jets/k.h"
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
#include "urcrypt.h"
static u3_weak
_cqes_hs(u3_atom p, c3_w pwd_w,
u3_atom s, c3_w sal_w,
u3_atom n,
u3_atom r,
u3_atom z,
u3_atom d)
{
u3_noun chk;
c3_w out_w;
if ( !u3r_word_fit(&out_w, d) ) {
return u3m_bail(c3__fail);
}
if ( 0 == r || 0 == z ) {
return u3m_bail(c3__exit);
}
chk = u3qc_bex(31);
if ( (c3n == u3qa_lth(pwd_w, chk)) ||
(c3n == u3qa_lth(sal_w, chk)) ) {
return u3m_bail(c3__exit);
}
u3z(chk);
chk = u3kc_bex(u3ka_dec(u3qc_xeb(n)));
if ( c3n == u3r_sing(n, chk) ) {
return u3m_bail(c3__exit);
}
u3z(chk);
if ( c3n == u3ka_lte(
u3ka_mul(u3qa_mul(128, r), u3ka_dec(u3qa_add(n, z))),
u3qc_bex(30)) ) {
return u3m_bail(c3__exit);
}
if ( (u3r_met(6, n) > 1) ||
(u3r_met(5, r) > 1) ||
(u3r_met(5, z) > 1) ) {
return u3_none;
}
else {
u3_noun pro;
c3_d n_d = u3r_chub(0, n);
c3_w r_w = u3r_word(0, r),
z_w = u3r_word(0, z);
c3_y *pwd_y = u3a_malloc(pwd_w),
*sal_y = u3a_malloc(sal_w),
*out_y = u3a_malloc(d);
u3r_bytes(0, pwd_w, pwd_y, p);
u3r_bytes(0, sal_w, sal_y, s);
pro = ( 0 == urcrypt_scrypt(pwd_y, pwd_w,
sal_y, sal_w,
n_d, r_w, z_w,
out_w, out_y) )
? u3i_bytes(out_w, out_y)
: u3_none;
u3a_free(pwd_y);
u3a_free(sal_y);
u3a_free(out_y);
return pro;
}
}
static u3_weak
_cqes_hsl(u3_atom p, u3_atom pl,
u3_atom s, u3_atom sl,
u3_atom n,
u3_atom r,
u3_atom z,
u3_atom d)
{
c3_w pwd_w, sal_w;
if ( !(u3r_word_fit(&pwd_w, pl) &&
u3r_word_fit(&sal_w, sl)) ) {
return u3m_bail(c3__fail);
}
else {
return _cqes_hs(p, pwd_w, s, sal_w, n, r, z, d);
}
}
u3_noun
u3wes_hsl(u3_noun cor)
{
u3_noun p, pl, s, sl, n, r, z, d;
u3_noun q;
u3x_quil(u3x_at(u3x_sam, cor), &p, &pl, &s, &sl, &q);
u3x_qual(q, &n, &r, &z, &d);
if ( !(_(u3a_is_atom(p)) && _(u3a_is_atom(pl)) &&
_(u3a_is_atom(s)) && _(u3a_is_atom(sl)) &&
_(u3a_is_atom(n)) && _(u3a_is_atom(r)) &&
_(u3a_is_atom(z)) && _(u3a_is_atom(d))) ) {
return u3m_bail(c3__exit);
}
else {
return u3l_punt("scr-hsl", _cqes_hsl(p, pl, s, sl, n, r, z, d));
}
}
static u3_weak
_cqes_hsh(u3_atom p,
u3_atom s,
u3_atom n,
u3_atom r,
u3_atom z,
u3_atom d)
{
return _cqes_hs(p, u3r_met(3, p),
s, u3r_met(3, s),
n, r, z, d);
}
u3_noun
u3wes_hsh(u3_noun cor)
{
u3_noun p, s, n, r, z, d;
u3_noun q;
u3x_quil(u3x_at(u3x_sam, cor), &p, &s, &n, &r, &q);
u3x_cell(q, &z, &d);
if ( !(_(u3a_is_atom(p)) && _(u3a_is_atom(s)) &&
_(u3a_is_atom(n)) && _(u3a_is_atom(r)) &&
_(u3a_is_atom(z)) && _(u3a_is_atom(d))) ) {
return u3m_bail(c3__exit);
}
else {
return u3l_punt("scr-hsh", _cqes_hsh(p, s, n, r, z, d));
}
}
static u3_atom
_cqes_pb(u3_atom p, c3_w pwd_w,
u3_atom s, c3_w sal_w,
u3_atom c,
u3_atom d)
{
if ( (c > (1 << 28)) ||
(d > (1 << 30)) ) {
// max key length 1gb
// max iterations 2^28
return u3m_bail(c3__exit);
}
else {
u3_noun pro;
c3_y *pwd_y = u3a_malloc(pwd_w),
*sal_y = u3a_malloc(sal_w),
*out_y = u3a_malloc(d);
u3r_bytes(0, pwd_w, pwd_y, p);
u3r_bytes(0, sal_w, sal_y, s);
urcrypt_scrypt_pbkdf_sha256(pwd_y, pwd_w, sal_y, sal_w, c, d, out_y);
pro = u3i_bytes(d, out_y);
u3a_free(pwd_y);
u3a_free(sal_y);
u3a_free(out_y);
return pro;
}
}
static u3_noun
_cqes_pbl(u3_atom p, u3_atom pl,
u3_atom s, u3_atom sl,
u3_atom c,
u3_atom d)
{
c3_w pwd_w, sal_w;
if ( !(u3r_word_fit(&pwd_w, pl) &&
u3r_word_fit(&sal_w, sl)) ) {
return u3m_bail(c3__fail);
}
else {
return _cqes_pb(p, pwd_w, s, sal_w, c, d);
}
}
u3_noun
u3wes_pbl(u3_noun cor)
{
u3_noun p, pl, s, sl, c, d;
u3_noun q;
u3x_quil(u3x_at(u3x_sam, cor), &p, &pl, &s, &sl, &q);
u3x_cell(q, &c, &d);
if ( !(_(u3a_is_atom(p)) && _(u3a_is_atom(s)) &&
_(u3a_is_atom(pl)) && _(u3a_is_atom(sl)) &&
_(u3a_is_atom(c)) && _(u3a_is_atom(d))) ) {
return u3m_bail(c3__exit);
}
else {
return _cqes_pbl(p, pl, s, sl, c, d);
}
}
static u3_atom
_cqes_pbk(u3_atom p, u3_atom s, u3_atom c, u3_atom d)
{
return _cqes_pb(p, u3r_met(3, p),
s, u3r_met(3, s),
c, d);
}
u3_noun
u3wes_pbk(u3_noun cor)
{
u3_noun p, s, c, d;
u3x_qual(u3x_at(u3x_sam, cor), &p, &s, &c, &d);
if ( !(_(u3a_is_atom(p)) && _(u3a_is_atom(s)) &&
_(u3a_is_atom(c)) && _(u3a_is_atom(d))) ) {
return u3m_bail(c3__exit);
}
else {
return _cqes_pbk(p, s, c, d);
}
}
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