pwsafe: Get the master passphrase before the new password.

[catacomb-python] / pubkey.c

diff --git a/pubkey.c b/pubkey.c
index 52d0ca55c456ad652c17a37c4cf6edc26ddd061d..8790e4083a518c64d20ca07c7f4e251ed1f16183 100644 (file)
--- a/pubkey.c
+++ b/pubkey.c
@@ -1,13 +1,11 @@
 /* -*-c-*-
- *
- * $Id$
  *
  * Public-key cryptography
  *
  * (c) 2004 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of the Python interface to Catacomb.
  *
@@ -15,12 +13,12 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * Catacomb/Python is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with Catacomb/Python; if not, write to the Free Software Foundation,
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
@@ -73,7 +71,7 @@ static PyObject *dsa_setup(PyTypeObject *ty, PyObject *G, PyObject *u,
   g->d.r = GRAND_R(rng);
   g->d.h = GCHASH_CH(hash);
   g->G = G; Py_INCREF(G); g->u = u; Py_INCREF(u); g->p = p; Py_INCREF(p);
-  rng = g->rng; Py_INCREF(rng); g->hash = hash; Py_INCREF(hash);
+  g->rng = rng; Py_INCREF(rng); g->hash = hash; Py_INCREF(hash);
   return ((PyObject *)g);
 end:
   FREEOBJ(g);
@@ -87,7 +85,7 @@ static PyObject *dsapub_pynew(PyTypeObject *ty,
   PyObject *rc = 0;
   char *kwlist[] = { "G", "p", "u", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!O!|OO!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|OO!O!:new", kwlist,
                                   group_pytype, &G,
                                   ge_pytype, &p,
                                   &u,
@@ -151,7 +149,7 @@ static PyObject *dsameth_verify(PyObject *me, PyObject *arg)
     goto end;
   if (n != DSA_D(me)->h->hashsz)
     VALERR("bad message length (doesn't match hash size)");
-  rc = getbool(gdsa_verify(DSA_D(me), &s, p));
+  rc = getbool(!gdsa_verify(DSA_D(me), &s, p));
 end:
   mp_drop(s.r);
   mp_drop(s.s);
@@ -165,13 +163,13 @@ static PyObject *dsapriv_pynew(PyTypeObject *ty,
   PyObject *rc = 0;
   char *kwlist[] = { "G", "p", "u", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|O!OO!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!O|O!O!:new", kwlist,
                                   group_pytype, &G,
                                   ge_pytype, &p,
                                   &u,
                                   gchash_pytype, &hash,
                                   grand_pytype, &rng) ||
-      (rc = dsa_setup(dsapriv_pytype, G, p, u, rng, hash)) == 0)
+      (rc = dsa_setup(dsapriv_pytype, G, u, p, rng, hash)) == 0)
     goto end;
 end:
   return (rc);
@@ -198,7 +196,7 @@ static PyMemberDef dsapub_pymembers[] = {
   MEMBER(G,    T_OBJECT, READONLY, "D.G -> group to work in")
   MEMBER(p,    T_OBJECT, READONLY, "D.p -> public key (group element")
   MEMBER(rng,  T_OBJECT, READONLY, "D.rng -> random number generator")
-  MEMBER(hash,         T_OBJECT, READONLY, "D.hash -> hash class")
+  MEMBER(hash, T_OBJECT, READONLY, "D.hash -> hash class")
 #undef MEMBERSTRUCT
   { 0 }
 };
@@ -242,7 +240,7 @@ static PyTypeObject dsapub_pytype_skel = {
   0,                                   /* @tp_richcompare@ */
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
-  0,                                   /* @tp_iternexr@ */
+  0,                                   /* @tp_iternext@ */
   dsapub_pymethods,                    /* @tp_methods@ */
   dsapub_pymembers,                    /* @tp_members@ */
   0,                                   /* @tp_getset@ */
@@ -290,7 +288,7 @@ static PyTypeObject dsapriv_pytype_skel = {
   0,                                   /* @tp_richcompare@ */
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
-  0,                                   /* @tp_iternexr@ */
+  0,                                   /* @tp_iternext@ */
   dsapriv_pymethods,                   /* @tp_methods@ */
   dsapriv_pymembers,                   /* @tp_members@ */
   0,                                   /* @tp_getset@ */
@@ -313,13 +311,13 @@ static PyObject *kcdsapub_pynew(PyTypeObject *ty,
   PyObject *rc = 0;
   char *kwlist[] = { "G", "p", "u", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!O!|OO!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!O|O!O!:new", kwlist,
                                   group_pytype, &G,
                                   ge_pytype, &p,
                                   &u,
                                   gchash_pytype, &hash,
                                   grand_pytype, &rng) ||
-      (rc = dsa_setup(kcdsapub_pytype, G, p, u, rng, hash)) == 0)
+      (rc = dsa_setup(kcdsapub_pytype, G, u, p, rng, hash)) == 0)
     goto end;
 end:
   return (rc);
@@ -332,13 +330,13 @@ static PyObject *kcdsapriv_pynew(PyTypeObject *ty,
   PyObject *rc = 0;
   char *kwlist[] = { "G", "p", "u", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|O!OO!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|OO!O!:new", kwlist,
                                   group_pytype, &G,
                                   ge_pytype, &p,
                                   &u,
                                   gchash_pytype, &hash,
                                   grand_pytype, &rng) ||
-      (rc = dsa_setup(kcdsapriv_pytype, G, p, u, rng, hash)) == 0)
+      (rc = dsa_setup(kcdsapriv_pytype, G, u, p, rng, hash)) == 0)
     goto end;
 end:
   return (rc);
@@ -380,7 +378,7 @@ static PyObject *kcdsameth_sign(PyObject *me, PyObject *arg, PyObject *kw)
   r = bytestring_pywrap(0, DSA_D(me)->h->hashsz);
   s.r = (octet *)PyString_AS_STRING(r);
   gkcdsa_sign(DSA_D(me), &s, p, k);
-  rc = Py_BuildValue("(NN)", r, mp_pywrap(s.s));
+  rc = Py_BuildValue("(ON)", r, mp_pywrap(s.s));
 end:
   Py_XDECREF(r);
   mp_drop(k);
@@ -401,7 +399,7 @@ static PyObject *kcdsameth_verify(PyObject *me, PyObject *arg)
     VALERR("bad message length (doesn't match hash size)");
   if (rn != DSA_D(me)->h->hashsz)
     VALERR("bad signature `r' length (doesn't match hash size)");
-  rc = getbool(gkcdsa_verify(DSA_D(me), &s, p));
+  rc = getbool(!gkcdsa_verify(DSA_D(me), &s, p));
 end:
   mp_drop(s.s);
   return (rc);
@@ -455,7 +453,7 @@ static PyTypeObject kcdsapub_pytype_skel = {
   0,                                   /* @tp_richcompare@ */
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
-  0,                                   /* @tp_iternexr@ */
+  0,                                   /* @tp_iternext@ */
   kcdsapub_pymethods,                  /* @tp_methods@ */
   dsapub_pymembers,                    /* @tp_members@ */
   0,                                   /* @tp_getset@ */
@@ -503,7 +501,7 @@ static PyTypeObject kcdsapriv_pytype_skel = {
   0,                                   /* @tp_richcompare@ */
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
-  0,                                   /* @tp_iternexr@ */
+  0,                                   /* @tp_iternext@ */
   kcdsapriv_pymethods,                 /* @tp_methods@ */
   dsapriv_pymembers,                   /* @tp_members@ */
   0,                                   /* @tp_getset@ */
@@ -555,6 +553,7 @@ static PyObject *rsapub_pynew(PyTypeObject *ty,
   if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&:new", kwlist,
                                   convmp, &rp.n, convmp, &rp.e))
     goto end;
+  if (!MP_ODDP(rp.n)) VALERR("RSA modulus must be even");
   o = (rsapub_pyobj *)ty->tp_alloc(ty, 0);
   o->pub = rp;
   rsa_pubcreate(&o->pubctx, &o->pub);
@@ -627,6 +626,10 @@ static PyObject *rsapriv_pynew(PyTypeObject *ty,
                                   convmp, &rp.q_inv,
                                   &rng))
     goto end;
+  if ((rp.n && !MP_ODDP(rp.n)) ||
+      (rp.p && !MP_ODDP(rp.p)) ||
+      (rp.p && !MP_ODDP(rp.q)))
+    VALERR("RSA modulus and factors must be odd");
   if (rsa_recover(&rp)) VALERR("couldn't construct private key");
   if (rng != Py_None && !GRAND_PYCHECK(rng))
     TYERR("not a random number source");
@@ -670,7 +673,9 @@ static PyObject *rsaget_rng(PyObject *me, void *hunoz)
 static int rsaset_rng(PyObject *me, PyObject *val, void *hunoz)
 {
   int rc = -1;
-  if (val != Py_None && !GRAND_PYCHECK(val))
+  if (!val)
+    val = Py_None;
+  else if (val != Py_None && !GRAND_PYCHECK(val))
     TYERR("expected grand or None");
   Py_DECREF(RSA_RNG(me));
   RSA_RNG(me) = val;
@@ -789,7 +794,7 @@ static PyTypeObject rsapub_pytype_skel = {
   0,                                   /* @tp_richcompare@ */
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
-  0,                                   /* @tp_iternexr@ */
+  0,                                   /* @tp_iternext@ */
   rsapub_pymethods,                    /* @tp_methods@ */
   0,                                   /* @tp_members@ */
   rsapub_pygetset,                     /* @tp_getset@ */
@@ -837,7 +842,7 @@ static PyTypeObject rsapriv_pytype_skel = {
   0,                                   /* @tp_richcompare@ */
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
-  0,                                   /* @tp_iternexr@ */
+  0,                                   /* @tp_iternext@ */
   rsapriv_pymethods,                   /* @tp_methods@ */
   0,                                   /* @tp_members@ */
   rsapriv_pygetset,                    /* @tp_getset@ */