mdw@git.distorted.org.uk Git - catacomb-perl/blob - pubkey.xs

   1 # ---?---
   2 #
   3 # $Id$
   4 #
   5 # Key-management interface
   6 #
   7 # (c) 2001 Straylight/Edgeware
   8 #
   9
  10 #----- Licensing notice -----------------------------------------------------
  11 #
  12 # This file is part of the Perl interface to Catacomb.
  13 #
  14 # Catacomb/Perl is free software; you can redistribute it and/or modify
  15 # it under the terms of the GNU General Public License as published by
  16 # the Free Software Foundation; either version 2 of the License, or
  17 # (at your option) any later version.
  18 #
  19 # Catacomb/Perl is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with Catacomb/Perl; if not, write to the Free Software Foundation,
  26 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27
  28 MODULE = Catacomb PACKAGE = Catacomb::PubKey
  29
  30 void
  31 gen_dh(me, ql, pl, steps = 0, r = &rand_global, events = &PL_sv_undef)
  32         SV *me
  33         unsigned ql
  34         unsigned pl
  35         unsigned steps
  36         grand *r
  37         MP_Prime_Gen_NullProc *events
  38         PREINIT:
  39         dh_param dp;
  40         pgen_proc *evproc;
  41         void *evctx;
  42         PPCODE:
  43         pgproc_get(events, &evproc, &evctx);
  44         if (dh_gen(&dp, ql, pl, steps, r, evproc, evctx))
  45           XSRETURN_EMPTY;
  46         XPUSHs(RET_MP(dp.p));
  47         XPUSHs(RET_MP(dp.g));
  48         XPUSHs(RET_MP(dp.q));
  49
  50 void
  51 gen_limlee(me, ql, pl, flags = 0, steps = 0, r = &rand_global, oevents = &PL_sv_undef, ievents = &PL_sv_undef)
  52         SV *me
  53         unsigned ql
  54         unsigned pl
  55         unsigned flags
  56         unsigned steps
  57         grand *r
  58         MP_Prime_Gen_NullProc *oevents
  59         MP_Prime_Gen_NullProc *ievents
  60         PREINIT:
  61         dh_param dp;
  62         pgen_proc *oev, *iev;
  63         void *oec, *iec;
  64         size_t nf;
  65         mp **f;
  66         size_t i;
  67         PPCODE:
  68         pgproc_get(oevents, &oev, &oec);
  69         pgproc_get(ievents, &iev, &iec);
  70         if (dh_limlee(&dp, ql, pl, flags, steps, r,
  71                       oev, oec, iev, iec, &nf, &f))
  72           XSRETURN_EMPTY;
  73         XPUSHs(RET_MP(dp.p));
  74         XPUSHs(RET_MP(dp.g));
  75         XPUSHs(RET_MP(dp.q));
  76         for (i = 0; i < nf; i++)
  77           XPUSHs(RET_MP(f[i]));
  78         xfree(f);
  79
  80 void
  81 gen_dsa(me, ql, pl, steps = 0, k = &PL_sv_undef, events = &PL_sv_undef)
  82         SV *me
  83         unsigned ql
  84         unsigned pl
  85         unsigned steps
  86         SV *k
  87         MP_Prime_Gen_NullProc *events
  88         PREINIT:
  89         char *kp;
  90         STRLEN ksz;
  91         dsa_seed ds;
  92         dsa_param dp;
  93         pgen_proc *evproc;
  94         void *evctx;
  95         char buf[20];
  96         PPCODE:
  97         if (SvOK(k))
  98           kp = SvPV(k, ksz);
  99         else {
 100           kp = buf;
 101           ksz = 20;
 102           rand_get(RAND_GLOBAL, kp, ksz);
 103         }
 104         pgproc_get(events, &evproc, &evctx);
 105         if (dsa_gen(&dp, ql, pl, steps, kp, ksz, &ds, evproc, evctx))
 106           XSRETURN_EMPTY;
 107         XPUSHs(RET_MP(dp.p));
 108         XPUSHs(RET_MP(dp.g));
 109         XPUSHs(RET_MP(dp.q));
 110         XPUSHs(sv_2mortal(newSVpvn((char *)ds.p, ds.sz)));
 111         XPUSHs(sv_2mortal(newSViv(ds.count)));
 112         xfree(ds.p);
 113
 114 MODULE = Catacomb PACKAGE = Catacomb::DSA
 115
 116 ghash *
 117 beginhash(c)
 118         SV *c
 119         PREINIT:
 120         gdsa g;
 121         CODE:
 122         gdsa_pubfromsv(&g, c);
 123         RETVAL = gdsa_beginhash(&g);
 124         OUTPUT:
 125         RETVAL
 126
 127 SV *
 128 endhash(c, h)
 129         SV *c
 130         ghash *h
 131         PREINIT:
 132         gdsa g;
 133         CODE:
 134         gdsa_pubfromsv(&g, c);
 135         gdsa_endhash(&g, h);
 136         XSRETURN_YES;
 137
 138 MODULE = Catacomb PACKAGE = Catacomb::DSA::Private
 139
 140 void
 141 sign(c, m, k = 0)
 142         SV *c
 143         SV *m
 144         mp *k
 145         PREINIT:
 146         gdsa g;
 147         gdsa_sig s = GDSA_SIG_INIT;
 148         char *p;
 149         STRLEN len;
 150         PPCODE:
 151         gdsa_privfromsv(&g, c);
 152         p = SvPV(m, len);
 153         if (len != g.h->hashsz)
 154           croak("bad message length");
 155         gdsa_sign(&g, &s, p, k);
 156         XPUSHs(MAKE_MP(s.r));
 157         XPUSHs(MAKE_MP(s.s));
 158
 159 MODULE = Catacomb PACKAGE = Catacomb::DSA::Public
 160
 161 bool
 162 verify(c, m, r, s)
 163         SV *c
 164         mp *r
 165         mp *s
 166         SV *m
 167         PREINIT:
 168         gdsa g;
 169         gdsa_sig ss = GDSA_SIG_INIT;
 170         char *p;
 171         STRLEN len;
 172         CODE:
 173         gdsa_pubfromsv(&g, c);
 174         p = SvPV(m, len);
 175         if (len != g.h->hashsz)
 176           croak("bad message length");
 177         ss.r = r;
 178         ss.s = s;
 179         RETVAL = !gdsa_verify(&g, &ss, p);
 180         OUTPUT:
 181         RETVAL
 182
 183 MODULE = Catacomb PACKAGE = Catacomb::KCDSA
 184
 185 ghash *
 186 beginhash(c)
 187         SV *c
 188         PREINIT:
 189         gkcdsa g;
 190         CODE:
 191         gdsa_pubfromsv(&g, c);
 192         RETVAL = gkcdsa_beginhash(&g);
 193         OUTPUT:
 194         RETVAL
 195
 196 SV *
 197 endhash(c, h)
 198         SV *c
 199         ghash *h
 200         PREINIT:
 201         gkcdsa g;
 202         CODE:
 203         gdsa_pubfromsv(&g, c);
 204         gkcdsa_endhash(&g, h);
 205         XSRETURN_YES;
 206
 207 MODULE = Catacomb PACKAGE = Catacomb::KCDSA::Private
 208
 209 void
 210 sign(c, m, k = 0)
 211         SV *c
 212         SV *m
 213         mp *k
 214         PREINIT:
 215         gkcdsa g;
 216         gkcdsa_sig s = GKCDSA_SIG_INIT;
 217         char *p;
 218         STRLEN len;
 219         PPCODE:
 220         gdsa_privfromsv(&g, c);
 221         p = SvPV(m, len);
 222         if (len != g.h->hashsz)
 223           croak("bad message length");
 224         gkcdsa_sign(&g, &s, p, k);
 225         XPUSHs(sv_2mortal(newSVpvn((char *)s.r, g.h->hashsz)));
 226         XPUSHs(RET_MP(s.s));
 227         xfree(s.r);
 228
 229 MODULE = Catacomb PACKAGE = Catacomb::KCDSA::Public
 230
 231 bool
 232 verify(c, m, r, s)
 233         SV *c
 234         SV *r
 235         mp *s
 236         SV *m
 237         PREINIT:
 238         gkcdsa g;
 239         gkcdsa_sig ss = GKCDSA_SIG_INIT;
 240         char *p;
 241         STRLEN len;
 242         CODE:
 243         gdsa_pubfromsv(&g, c);
 244         p = SvPV(m, len);
 245         if (len != g.h->hashsz)
 246           croak("bad message length");
 247         ss.r = (void *)SvPV(r, len);
 248         if (len != g.h->hashsz)
 249           croak("bad signature (r) length");
 250         ss.s = s;
 251         RETVAL = !gkcdsa_verify(&g, &ss, p);
 252         OUTPUT:
 253         RETVAL
 254
 255 MODULE = Catacomb PACKAGE = Catacomb::RSA::Public PREFIX = rsa_
 256
 257 RSA_Public *
 258 new(me, sv)
 259         SV *me
 260         SV *sv
 261         PREINIT:
 262         cursor c;
 263         rsa_pub *rp;
 264         CODE:
 265         rp = CREATE(rsa_pub);
 266         c_init(&c, sv);
 267         rp->n = C_MP(&c, "n");
 268         rp->e = C_MP(&c, "e");
 269         RETVAL = CREATE(rsa_pubctx);
 270         rsa_pubcreate(RETVAL, rp);
 271         OUTPUT:
 272         RETVAL
 273
 274 mp *
 275 n(rp)
 276         RSA_Public *rp
 277         CODE:
 278         RETVAL = MP_COPY(rp->rp->n);
 279         OUTPUT:
 280         RETVAL
 281
 282 HV *
 283 extract(rp)
 284         RSA_Public *rp
 285         CODE:
 286         RETVAL = newHV();
 287         hvput(RETVAL, "n", MAKE_MP(rp->rp->n));
 288         hvput(RETVAL, "e", MAKE_MP(rp->rp->e));
 289         OUTPUT:
 290         RETVAL
 291
 292 SV *
 293 DESTROY(rp)
 294         RSA_Public *rp
 295         PREINIT:
 296         rsa_pub *rrp;
 297         CODE:
 298         rrp = rp->rp;
 299         rsa_pubdestroy(rp);
 300         DESTROY(rp);
 301         rsa_pubfree(rrp);
 302         DESTROY(rrp);
 303         XSRETURN_YES;
 304
 305 mp *
 306 op(rp, p)
 307         RSA_Public *rp
 308         mp *p
 309         CODE:
 310         RETVAL = rsa_pubop(rp, MP_NEW, p);
 311         OUTPUT:
 312         RETVAL
 313
 314 MODULE = Catacomb PACKAGE = Catacomb::RSA::Private PREFIX = rsa_
 315
 316 RSA_Private *
 317 new(me, sv)
 318         SV *me
 319         SV *sv
 320         PREINIT:
 321         cursor c;
 322         rsa_priv *rp;
 323         CODE:
 324         c_init(&c, sv);
 325         rp = CREATE(rsa_priv);
 326         rp->n = C_MP(&c, "n");
 327         rp->e = C_MP(&c, "e");
 328         rp->d = C_MP(&c, "d");
 329         rp->p = C_MP(&c, "p");
 330         rp->q = C_MP(&c, "q");
 331         rp->dp = C_MP(&c, "dp");
 332         rp->dq = C_MP(&c, "dq");
 333         rp->q_inv = C_MP(&c, "qi");
 334         if (rsa_recover(rp))
 335           croak("insuffcient values in Catacomb::RSA::Private::new");
 336         RETVAL = CREATE(rsa_privctx);
 337         rsa_privcreate(RETVAL, rp, &rand_global);
 338         OUTPUT:
 339         RETVAL
 340
 341 RSA_Private *
 342 generate(me, nbits, r = &rand_global, n = 0, events = &PL_sv_undef)
 343         SV *me
 344         unsigned nbits
 345         grand *r
 346         unsigned n
 347         MP_Prime_Gen_NullProc *events
 348         PREINIT:
 349         pgen_proc *ev;
 350         void *ec;
 351         rsa_priv *rp;
 352         CODE:
 353         rp = CREATE(rsa_priv);
 354         pgproc_get(events, &ev, &ec);
 355         if (rsa_gen(rp, nbits, r, n, ev, ec)) {
 356           DESTROY(rp);
 357           XSRETURN_UNDEF;
 358         }
 359         RETVAL = CREATE(rsa_privctx);
 360         rsa_privcreate(RETVAL, rp, &rand_global);
 361         OUTPUT:
 362         RETVAL
 363
 364 HV *
 365 extract(rp)
 366         RSA_Private *rp
 367         CODE:
 368         RETVAL = newHV();
 369         hvput(RETVAL, "n", MAKE_MP(rp->rp->n));
 370         hvput(RETVAL, "e", MAKE_MP(rp->rp->e));
 371         hvput(RETVAL, "d", MAKE_MP(rp->rp->d));
 372         hvput(RETVAL, "p", MAKE_MP(rp->rp->p));
 373         hvput(RETVAL, "q", MAKE_MP(rp->rp->q));
 374         hvput(RETVAL, "dp", MAKE_MP(rp->rp->dp));
 375         hvput(RETVAL, "dq", MAKE_MP(rp->rp->dq));
 376         hvput(RETVAL, "qi", MAKE_MP(rp->rp->q_inv));
 377         OUTPUT:
 378         RETVAL
 379
 380 mp *
 381 n(rp)
 382         RSA_Private *rp
 383         CODE:
 384         RETVAL = MP_COPY(rp->rp->n);
 385         OUTPUT:
 386         RETVAL
 387
 388 SV *
 389 DESTROY(rp)
 390         RSA_Private *rp
 391         PREINIT:
 392         rsa_priv *rrp;
 393         CODE:
 394         rp->r = &rand_global;
 395         rrp = rp->rp;
 396         rsa_privdestroy(rp);
 397         DESTROY(rp);
 398         rsa_privfree(rrp);
 399         DESTROY(rrp);
 400         XSRETURN_YES;
 401
 402 mp *
 403 op(rp, p, r = &PL_sv_undef)
 404         RSA_Private *rp
 405         mp *p
 406         SV *r
 407         CODE:
 408         rp->r = SvOK(r) ? ptrfromsv(r, "Catacomb::Rand", "r") : 0;
 409         RETVAL = rsa_privop(rp, MP_NEW, p);
 410         OUTPUT:
 411         RETVAL
 412
 413 MODULE = Catacomb PACKAGE = Catacomb::RSA::PKCS1Crypt
 414
 415 mp *
 416 pad(c, m, sz, nbits)
 417         SV *c
 418         SV *m
 419         size_t sz
 420         unsigned long nbits
 421         PREINIT:
 422         pkcs1 pc;
 423         void *b;
 424         void *mm;
 425         STRLEN msz;
 426         CODE:
 427         pkcs1_fromsv(&pc, c);
 428         mm = SvPV(m, msz);
 429         b = xmalloc(sz);
 430         RETVAL = pkcs1_cryptencode(MP_NEW, mm, msz, b, sz, nbits, &pc);
 431         xfree(b);
 432         OUTPUT:
 433         RETVAL
 434
 435 SV *
 436 unpad(c, m, sz, nbits)
 437         SV *c
 438         mp *m
 439         size_t sz
 440         unsigned long nbits
 441         PREINIT:
 442         pkcs1 pc;
 443         void *b;
 444         int rc;
 445         CODE:
 446         pkcs1_fromsv(&pc, c);
 447         b = xmalloc(sz);
 448         rc = pkcs1_cryptdecode(m, b, sz, nbits, &pc);
 449         if (rc < 0)
 450           RETVAL = &PL_sv_undef;
 451         else
 452           RETVAL = newSVpvn(b, rc);
 453         xfree(b);
 454         OUTPUT:
 455         RETVAL
 456
 457 MODULE = Catacomb PACKAGE = Catacomb::RSA::PKCS1Sign
 458
 459 mp *
 460 pad(c, m, sz, nbits)
 461         SV *c
 462         SV *m
 463         size_t sz
 464         unsigned long nbits
 465         PREINIT:
 466         pkcs1 pc;
 467         void *b;
 468         void *mm;
 469         STRLEN msz;
 470         CODE:
 471         pkcs1_fromsv(&pc, c);
 472         mm = SvPV(m, msz);
 473         b = xmalloc(sz);
 474         RETVAL = pkcs1_sigencode(MP_NEW, mm, msz, b, sz, nbits, &pc);
 475         xfree(b);
 476         OUTPUT:
 477         RETVAL
 478
 479 SV *
 480 unpad(c, s, m, sz, nbits)
 481         SV *c
 482         mp *s
 483         SV *m
 484         size_t sz
 485         unsigned long nbits
 486         PREINIT:
 487         pkcs1 pc;
 488         void *b;
 489         void *mm;
 490         STRLEN msz;
 491         int rc;
 492         CODE:
 493         pkcs1_fromsv(&pc, c);
 494         mm = SvPV(m, msz);
 495         b = xmalloc(sz);
 496         rc = pkcs1_sigdecode(s, mm, msz, b, sz, nbits, &pc);
 497         if (rc < 0) XSRETURN_UNDEF;
 498         RETVAL = newSVpvn(b, rc);
 499         xfree(b);
 500         OUTPUT:
 501         RETVAL
 502
 503 MODULE = Catacomb PACKAGE = Catacomb::RSA::OAEP
 504
 505 mp *
 506 pad(c, m, sz, nbits)
 507         SV *c
 508         SV *m
 509         size_t sz
 510         unsigned long nbits
 511         PREINIT:
 512         oaep pc;
 513         void *b;
 514         void *mm;
 515         STRLEN msz;
 516         CODE:
 517         oaep_fromsv(&pc, c);
 518         mm = SvPV(m, msz);
 519         b = xmalloc(sz);
 520         RETVAL = oaep_encode(MP_NEW, mm, msz, b, sz, nbits, &pc);
 521         xfree(b);
 522         OUTPUT:
 523         RETVAL
 524
 525 SV *
 526 unpad(c, m, sz, nbits)
 527         SV *c
 528         mp *m
 529         size_t sz
 530         unsigned long nbits
 531         PREINIT:
 532         oaep pc;
 533         void *b;
 534         int rc;
 535         CODE:
 536         oaep_fromsv(&pc, c);
 537         b = xmalloc(sz);
 538         rc = oaep_decode(m, b, sz, nbits, &pc);
 539         if (rc < 0)
 540           RETVAL = &PL_sv_undef;
 541         else
 542           RETVAL = newSVpvn(b, rc);
 543         xfree(b);
 544         OUTPUT:
 545         RETVAL
 546
 547 MODULE = Catacomb PACKAGE = Catacomb::RSA::PSS
 548
 549 mp *
 550 pad(c, m, sz, nbits)
 551         SV *c
 552         SV *m
 553         size_t sz
 554         unsigned long nbits
 555         PREINIT:
 556         pss pc;
 557         void *b;
 558         void *mm;
 559         STRLEN msz;
 560         CODE:
 561         pss_fromsv(&pc, c);
 562         mm = SvPV(m, msz);
 563         b = xmalloc(sz);
 564         RETVAL = pss_encode(MP_NEW, mm, msz, b, sz, nbits, &pc);
 565         xfree(b);
 566         OUTPUT:
 567         RETVAL
 568
 569 SV *
 570 unpad(c, s, m, sz, nbits)
 571         SV *c
 572         mp *s
 573         SV *m
 574         size_t sz
 575         unsigned long nbits
 576         PREINIT:
 577         pss pc;
 578         void *b;
 579         void *mm;
 580         STRLEN msz;
 581         int rc;
 582         CODE:
 583         pss_fromsv(&pc, c);
 584         mm = SvPV(m, msz);
 585         b = xmalloc(sz);
 586         rc = pss_decode(s, mm, msz, b, sz, nbits, &pc);
 587         if (rc < 0) XSRETURN_UNDEF;
 588         RETVAL = newSVpvn(b, rc);
 589         xfree(b);
 590         OUTPUT:
 591         RETVAL
 592
 593 #----- That's all, folks ----------------------------------------------------