urbit/gen164/5/shax.c
2014-04-01 17:48:26 -07:00

243 lines
6.3 KiB
C

/* j/5/shax.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
#if defined(U2_OS_linux) || defined(U2_OS_bsd)
#include <openssl/sha.h>
#elif defined(U2_OS_osx)
#include <CommonCrypto/CommonDigest.h>
#else
#error "port: sha256"
#endif
/* functions
*/
u2_weak // produce
j2_mbc(Pt5, shax)(u2_wire wir_r,
u2_atom a) // retain
{
c3_w met_w = u2_met(3, a);
c3_y* fat_y = c3_malloc(met_w + 1);
u2_bytes(0, met_w, fat_y, a);
{
c3_y dig_y[32];
#if defined(U2_OS_linux) || defined(U2_OS_bsd)
SHA256_CTX ctx_h;
SHA256_Init(&ctx_h);
SHA256_Update(&ctx_h, fat_y, met_w);
SHA256_Final(dig_y, &ctx_h);
#elif defined(U2_OS_osx)
CC_SHA256_CTX ctx_h;
CC_SHA256_Init(&ctx_h);
CC_SHA256_Update(&ctx_h, fat_y, met_w);
CC_SHA256_Final(dig_y, &ctx_h);
#else
#error "port: sha256"
#endif
free(fat_y);
return u2_rl_bytes(wir_r, 32, dig_y);
}
}
u2_weak // produce
j2_mbc(Pt5, shal)(u2_wire wir_r,
u2_atom a, // retain
u2_atom b) // retain
{
c3_assert(u2_fly_is_cat(a));
c3_y* fat_y = c3_malloc(a + 1);
u2_bytes(0, a, fat_y, b);
{
c3_y dig_y[64];
#if defined(U2_OS_linux) || defined(U2_OS_bsd)
SHA512_CTX ctx_h;
SHA512_Init(&ctx_h);
SHA512_Update(&ctx_h, fat_y, a);
SHA512_Final(dig_y, &ctx_h);
#elif defined(U2_OS_osx)
CC_SHA512_CTX ctx_h;
CC_SHA512_Init(&ctx_h);
CC_SHA512_Update(&ctx_h, fat_y, a);
CC_SHA512_Final(dig_y, &ctx_h);
#else
#error "port: sha512"
#endif
free(fat_y);
return u2_rl_bytes(wir_r, 64, dig_y);
}
}
u2_weak // produce
j2_mbc(Pt5, shas)(u2_wire wir_r,
u2_atom sal, // retain
u2_atom ruz) // retain
{
u2_noun one = j2_mbc(Pt5, shax)(wir_r, ruz);
u2_noun two = j2_mbc(Pt3, mix)(wir_r, sal, one);
u2_noun tri = j2_mbc(Pt5, shax)(wir_r, two);
u2z(one); u2z(two); return tri;
}
u2_weak // produce
j2_mb(Pt5, shax)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun a;
if ( (u2_none == (a = u2_frag(u2_cv_sam, cor))) ||
(u2_no == u2_stud(a)) )
{
return u2_bl_bail(wir_r, c3__exit);
} else {
return j2_mbc(Pt5, shax)(wir_r, a);
}
}
u2_weak // produce
j2_mb(Pt5, shal)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun a, b;
if ( (u2_none == (a = u2_frag(u2_cv_sam_2, cor))) ||
(u2_none == (b = u2_frag(u2_cv_sam_3, cor))) ||
(u2_no == u2_stud(a)) ||
(u2_no == u2_fly_is_cat(a)) ||
(u2_no == u2_stud(b)) )
{
return u2_bl_bail(wir_r, c3__exit);
} else {
return j2_mbc(Pt5, shal)(wir_r, a, b);
}
}
u2_weak // produce
j2_mb(Pt5, shas)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun sal, ruz;
if ( (u2_none == (sal = u2_frag(u2_cv_sam_2, cor))) ||
(u2_none == (ruz = u2_frag(u2_cv_sam_3, cor))) ||
(u2_no == u2_stud(sal)) ||
(u2_no == u2_stud(ruz)) )
{
return u2_bl_bail(wir_r, c3__exit);
} else {
return j2_mbc(Pt5, shas)(wir_r, sal, ruz);
}
}
static u2_noun // produce
_og_list(u2_wire wir_r,
u2_noun a, // retain
u2_noun b, // retain
u2_noun c) // retain
{
u2_noun l = u2_nul;
if ( !u2_fly_is_cat(b) ) {
return u2_bl_bail(wir_r, c3__fail);
}
while ( 0 != b ) {
u2_noun x = j2_mbc(Pt3, mix)(wir_r, a, c);
u2_noun y = j2_mbc(Pt3, mix)(wir_r, b, x);
u2_noun d = j2_mbc(Pt5, shas)(wir_r, c3_s4('o','g','-','b'), y);
u2_noun m;
u2z(x); u2z(y);
if ( b < 256 ) {
u2_noun e = j2_mbc(Pt3, end)(wir_r, 0, b, d);
u2z(d);
m = u2nc(b, e);
b = 0;
} else {
m = u2nc(256, d);
c = d;
b -= 256;
}
l = u2nc(m, l);
}
return u2_ckb_flop(l);
}
u2_noun // produce
j2_mcc(Pt5, og, raw)(u2_wire wir_r,
u2_noun a, // retain
u2_noun b) // retain
{
u2_noun x = j2_mbc(Pt3, mix)(wir_r, b, a);
u2_noun c = j2_mbc(Pt5, shas)(wir_r, c3_s4('o','g','-','a'), x);
u2_noun l = _og_list(wir_r, a, b, c);
u2_noun r = j2_mbc(Pt3, can)(wir_r, 0, l);
u2z(l);
u2z(c);
u2z(x);
return r;
}
u2_weak // transfer
j2_mc(Pt5, og, raw)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun a, b;
if ( u2_no == u2_mean(cor, u2_cv_sam, &b, u2_cv_con_sam, &a, 0) ) {
return u2_bl_bail(wir_r, c3__exit);
} else {
return j2_mcc(Pt5, og, raw)(wir_r, a, b);
}
}
/* structures
*/
u2_ho_jet
j2_mbj(Pt5, shax)[] = {
{ ".2", c3__lite, j2_mb(Pt5, shax), Tier5, u2_none, u2_none },
{ }
};
u2_ho_jet
j2_mbj(Pt5, shal)[] = {
{ ".2", c3__lite, j2_mb(Pt5, shal), u2_jet_live|u2_jet_test, u2_none, u2_none },
{ }
};
u2_ho_jet
j2_mbj(Pt5, shas)[] = {
{ ".2", c3__lite, j2_mb(Pt5, shas), Tier5, u2_none, u2_none },
{ }
};
u2_ho_jet
j2_mcj(Pt5, og, raw)[] = {
{ ".2", c3__lite, j2_mc(Pt5, og, raw), Tier5, u2_none, u2_none },
{ }
};
u2_ho_driver
j2_mbd(Pt5, og)[] = {
{ j2_sc(Pt5, og, raw), j2_mcj(Pt5, og, raw), 0, 0, u2_none },
{}
};
u2_ho_driver
j2_db(Pt5, og) =
{ j2_sb(Pt5, og), 0, j2_mbd(Pt5, og), 0, u2_none };