*.c: Split the constant definitions into the various submodules.
[catacomb-python] / pubkey.c
index e0e8dc9..b1d32a5 100644 (file)
--- a/pubkey.c
+++ b/pubkey.c
@@ -65,8 +65,12 @@ static PyObject *dsa_setup(PyTypeObject *ty, PyObject *G, PyObject *u,
   if (!u) {
     g->d.u = 0;
     u = Py_None;
-  } else if ((g->d.u = getmp(u)) == 0)
-    goto end;
+  } else {
+    if ((g->d.u = getmp(u)) == 0)
+      goto end;
+    if (MP_PYCHECK(u)) Py_INCREF(u);
+    else u = mp_pywrap(g->d.u);
+  }
   if (!p) {
     assert(g->d.u); assert(calcpub);
     pp = G_CREATE(GROUP_G(G));
@@ -78,12 +82,11 @@ static PyObject *dsa_setup(PyTypeObject *ty, PyObject *G, PyObject *u,
   g->d.p = GE_X(p);
   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;
+  g->G = G; Py_INCREF(G); g->u = u; g->p = p;
   g->rng = rng; Py_INCREF(rng); g->hash = hash; Py_INCREF(hash);
   return ((PyObject *)g);
 end:
-  if (p) Py_DECREF(p);
-  FREEOBJ(g);
+  Py_XDECREF(p); FREEOBJ(g);
   return (0);
 }
 
@@ -92,9 +95,9 @@ static PyObject *dsapub_pynew(PyTypeObject *ty,
 {
   PyObject *G, *p, *rng = rand_pyobj, *hash = sha_pyobj;
   PyObject *rc = 0;
-  char *kwlist[] = { "G", "p", "hash", "rng", 0 };
+  static const char *const kwlist[] = { "G", "p", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|O!O!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|O!O!:new", KWLIST,
                                   group_pytype, &G,
                                   ge_pytype, &p,
                                   gchash_pytype, &hash,
@@ -105,11 +108,8 @@ end:
   return (rc);
 }
 
-static PyObject *dsameth_beginhash(PyObject *me, PyObject *arg)
-{
-  if (!PyArg_ParseTuple(arg, ":beginhash")) return (0);
-  return (ghash_pywrap(DSA_HASH(me), gdsa_beginhash(DSA_D(me)), f_freeme));
-}
+static PyObject *dsameth_beginhash(PyObject *me)
+  { return (ghash_pywrap(DSA_HASH(me), gdsa_beginhash(DSA_D(me)))); }
 
 static PyObject *dsameth_endhash(PyObject *me, PyObject *arg)
 {
@@ -131,9 +131,9 @@ static PyObject *dsameth_sign(PyObject *me, PyObject *arg, PyObject *kw)
   Py_ssize_t n;
   mp *k = 0;
   PyObject *rc = 0;
-  char *kwlist[] = { "msg", "k", 0 };
+  static const char *const kwlist[] = { "msg", "k", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#|O&:sign", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#|O&:sign", KWLIST,
                                   &p, &n, convmp, &k))
     goto end;
   if (n != DSA_D(me)->h->hashsz)
@@ -171,9 +171,9 @@ static PyObject *dsapriv_pynew(PyTypeObject *ty,
 {
   PyObject *G, *p = 0, *u, *rng = rand_pyobj, *hash = sha_pyobj;
   PyObject *rc = 0;
-  char *kwlist[] = { "G", "u", "p", "hash", "rng", 0 };
+  static const char *const kwlist[] = { "G", "u", "p", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O|O!O!O!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O|O!O!O!:new", KWLIST,
                                   group_pytype, &G,
                                   &u,
                                   ge_pytype, &p,
@@ -185,23 +185,23 @@ end:
   return (rc);
 }
 
-static PyMethodDef dsapub_pymethods[] = {
+static const PyMethodDef dsapub_pymethods[] = {
 #define METHNAME(name) dsameth_##name
-  METH (beginhash,             "D.beginhash() -> hash object")
-  METH (endhash,               "D.endhash(H) -> BYTES")
-  METH (verify,                "D.verify(MSG, (R, S)) -> true/false")
+  NAMETH(beginhash,    "D.beginhash() -> hash object")
+  METH (endhash,       "D.endhash(H) -> BYTES")
+  METH (verify,        "D.verify(MSG, (R, S)) -> true/false")
 #undef METHNAME
   { 0 }
 };
 
-static PyMethodDef dsapriv_pymethods[] = {
+static const PyMethodDef dsapriv_pymethods[] = {
 #define METHNAME(name) dsameth_##name
-  KWMETH(sign,                 "D.sign(MSG, k = K) -> R, S")
+  KWMETH(sign,         "D.sign(MSG, [k = K]) -> R, S")
 #undef METHNAME
   { 0 }
 };
 
-static PyMemberDef dsapub_pymembers[] = {
+static const PyMemberDef dsapub_pymembers[] = {
 #define MEMBERSTRUCT dsa_pyobj
   MEMBER(G,    T_OBJECT, READONLY, "D.G -> group to work in")
   MEMBER(p,    T_OBJECT, READONLY, "D.p -> public key (group element")
@@ -211,14 +211,14 @@ static PyMemberDef dsapub_pymembers[] = {
   { 0 }
 };
 
-static PyMemberDef dsapriv_pymembers[] = {
+static const PyMemberDef dsapriv_pymembers[] = {
 #define MEMBERSTRUCT dsa_pyobj
   MEMBER(u,    T_OBJECT, READONLY, "D.u -> private key (exponent)")
 #undef MEMBERSTRUCT
   { 0 }
 };
 
-static PyTypeObject dsapub_pytype_skel = {
+static const PyTypeObject dsapub_pytype_skel = {
   PyObject_HEAD_INIT(0) 0,             /* Header */
   "DSAPub",                            /* @tp_name@ */
   sizeof(dsa_pyobj),                   /* @tp_basicsize@ */
@@ -243,7 +243,7 @@ static PyTypeObject dsapub_pytype_skel = {
     Py_TPFLAGS_BASETYPE,
 
   /* @tp_doc@ */
-"DSA public key information.",
+  "DSAPub(GROUP, P, [hash = sha], [rng = rand]): DSA public key.",
 
   0,                                   /* @tp_traverse@ */
   0,                                   /* @tp_clear@ */
@@ -251,8 +251,8 @@ static PyTypeObject dsapub_pytype_skel = {
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
   0,                                   /* @tp_iternext@ */
-  dsapub_pymethods,                    /* @tp_methods@ */
-  dsapub_pymembers,                    /* @tp_members@ */
+  PYMETHODS(dsapub),                   /* @tp_methods@ */
+  PYMEMBERS(dsapub),                   /* @tp_members@ */
   0,                                   /* @tp_getset@ */
   0,                                   /* @tp_base@ */
   0,                                   /* @tp_dict@ */
@@ -266,7 +266,7 @@ static PyTypeObject dsapub_pytype_skel = {
   0                                    /* @tp_is_gc@ */
 };
 
-static PyTypeObject dsapriv_pytype_skel = {
+static const PyTypeObject dsapriv_pytype_skel = {
   PyObject_HEAD_INIT(0) 0,             /* Header */
   "DSAPriv",                           /* @tp_name@ */
   sizeof(dsa_pyobj),                   /* @tp_basicsize@ */
@@ -291,7 +291,8 @@ static PyTypeObject dsapriv_pytype_skel = {
     Py_TPFLAGS_BASETYPE,
 
   /* @tp_doc@ */
-"DSA private key information.",
+  "DSAPriv(GROUP, U, [p = u G], [hash = sha], [rng = rand]): "
+                                                         "DSA private key.",
 
   0,                                   /* @tp_traverse@ */
   0,                                   /* @tp_clear@ */
@@ -299,8 +300,8 @@ static PyTypeObject dsapriv_pytype_skel = {
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
   0,                                   /* @tp_iternext@ */
-  dsapriv_pymethods,                   /* @tp_methods@ */
-  dsapriv_pymembers,                   /* @tp_members@ */
+  PYMETHODS(dsapriv),                  /* @tp_methods@ */
+  PYMEMBERS(dsapriv),                  /* @tp_members@ */
   0,                                   /* @tp_getset@ */
   0,                                   /* @tp_base@ */
   0,                                   /* @tp_dict@ */
@@ -319,9 +320,9 @@ static PyObject *kcdsapub_pynew(PyTypeObject *ty,
 {
   PyObject *G, *p, *rng = rand_pyobj, *hash = has160_pyobj;
   PyObject *rc = 0;
-  char *kwlist[] = { "G", "p", "hash", "rng", 0 };
+  static const char *const kwlist[] = { "G", "p", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|O!O!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O!|O!O!:new", KWLIST,
                                   group_pytype, &G,
                                   ge_pytype, &p,
                                   gchash_pytype, &hash,
@@ -344,9 +345,9 @@ static PyObject *kcdsapriv_pynew(PyTypeObject *ty,
 {
   PyObject *G, *u, *p = 0, *rng = rand_pyobj, *hash = has160_pyobj;
   PyObject *rc = 0;
-  char *kwlist[] = { "G", "p", "u", "hash", "rng", 0 };
+  static const char *const kwlist[] = { "G", "u", "p", "hash", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O|O!O!O!:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O!O|O!O!O!:new", KWLIST,
                                   group_pytype, &G,
                                   &u,
                                   ge_pytype, &p,
@@ -359,11 +360,8 @@ end:
   return (rc);
 }
 
-static PyObject *kcdsameth_beginhash(PyObject *me, PyObject *arg)
-{
-  if (!PyArg_ParseTuple(arg, ":beginhash")) return (0);
-  return (ghash_pywrap(DSA_HASH(me), gkcdsa_beginhash(DSA_D(me)), f_freeme));
-}
+static PyObject *kcdsameth_beginhash(PyObject *me)
+  { return (ghash_pywrap(DSA_HASH(me), gkcdsa_beginhash(DSA_D(me)))); }
 
 static PyObject *kcdsameth_endhash(PyObject *me, PyObject *arg)
 {
@@ -385,9 +383,9 @@ static PyObject *kcdsameth_sign(PyObject *me, PyObject *arg, PyObject *kw)
   Py_ssize_t n;
   mp *k = 0;
   PyObject *r = 0, *rc = 0;
-  char *kwlist[] = { "msg", "k", 0 };
+  static const char *const kwlist[] = { "msg", "k", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#|O&:sign", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#|O&:sign", KWLIST,
                                   &p, &n, convmp, &k))
     goto end;
   if (n != DSA_D(me)->h->hashsz)
@@ -422,23 +420,23 @@ end:
   return (rc);
 }
 
-static PyMethodDef kcdsapub_pymethods[] = {
+static const PyMethodDef kcdsapub_pymethods[] = {
 #define METHNAME(name) kcdsameth_##name
-  METH (beginhash,             "D.beginhash() -> hash object")
-  METH (endhash,               "D.endhash(H) -> BYTES")
-  METH (verify,                "D.verify(MSG, (R, S)) -> true/false")
+  NAMETH(beginhash,    "D.beginhash() -> hash object")
+  METH (endhash,       "D.endhash(H) -> BYTES")
+  METH (verify,        "D.verify(MSG, (R, S)) -> true/false")
 #undef METHNAME
   { 0 }
 };
 
-static PyMethodDef kcdsapriv_pymethods[] = {
+static const PyMethodDef kcdsapriv_pymethods[] = {
 #define METHNAME(name) kcdsameth_##name
-  KWMETH(sign,                 "D.sign(MSG, k = K) -> R, S")
+  KWMETH(sign,         "D.sign(MSG, [k = K]) -> R, S")
 #undef METHNAME
   { 0 }
 };
 
-static PyTypeObject kcdsapub_pytype_skel = {
+static const PyTypeObject kcdsapub_pytype_skel = {
   PyObject_HEAD_INIT(0) 0,             /* Header */
   "KCDSAPub",                          /* @tp_name@ */
   sizeof(dsa_pyobj),                   /* @tp_basicsize@ */
@@ -463,7 +461,7 @@ static PyTypeObject kcdsapub_pytype_skel = {
     Py_TPFLAGS_BASETYPE,
 
   /* @tp_doc@ */
-"KCDSA public key information.",
+  "KCDSAPub(GROUP, P, [hash = sha], [rng = rand]): KCDSA public key.",
 
   0,                                   /* @tp_traverse@ */
   0,                                   /* @tp_clear@ */
@@ -471,8 +469,8 @@ static PyTypeObject kcdsapub_pytype_skel = {
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
   0,                                   /* @tp_iternext@ */
-  kcdsapub_pymethods,                  /* @tp_methods@ */
-  dsapub_pymembers,                    /* @tp_members@ */
+  PYMETHODS(kcdsapub),                 /* @tp_methods@ */
+  PYMEMBERS(dsapub),                   /* @tp_members@ */
   0,                                   /* @tp_getset@ */
   0,                                   /* @tp_base@ */
   0,                                   /* @tp_dict@ */
@@ -486,7 +484,7 @@ static PyTypeObject kcdsapub_pytype_skel = {
   0                                    /* @tp_is_gc@ */
 };
 
-static PyTypeObject kcdsapriv_pytype_skel = {
+static const PyTypeObject kcdsapriv_pytype_skel = {
   PyObject_HEAD_INIT(0) 0,             /* Header */
   "KCDSAPriv",                         /* @tp_name@ */
   sizeof(dsa_pyobj),                   /* @tp_basicsize@ */
@@ -511,7 +509,8 @@ static PyTypeObject kcdsapriv_pytype_skel = {
     Py_TPFLAGS_BASETYPE,
 
   /* @tp_doc@ */
-"KCDSA private key information.",
+  "KCDSAPriv(GROUP, U, [p = u G], [hash = sha], [rng = rand]): "
+                                                       "KCDSA private key.",
 
   0,                                   /* @tp_traverse@ */
   0,                                   /* @tp_clear@ */
@@ -519,8 +518,8 @@ static PyTypeObject kcdsapriv_pytype_skel = {
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
   0,                                   /* @tp_iternext@ */
-  kcdsapriv_pymethods,                 /* @tp_methods@ */
-  dsapriv_pymembers,                   /* @tp_members@ */
+  PYMETHODS(kcdsapriv),                        /* @tp_methods@ */
+  PYMEMBERS(dsapriv),                  /* @tp_members@ */
   0,                                   /* @tp_getset@ */
   0,                                   /* @tp_base@ */
   0,                                   /* @tp_dict@ */
@@ -565,9 +564,9 @@ static PyObject *rsapub_pynew(PyTypeObject *ty,
 {
   rsa_pub rp = { 0 };
   rsapub_pyobj *o;
-  char *kwlist[] = { "n", "e", 0 };
+  static const char *const kwlist[] = { "n", "e", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&:new", kwlist,
+  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");
@@ -632,10 +631,10 @@ static PyObject *rsapriv_pynew(PyTypeObject *ty,
 {
   rsa_priv rp = { 0 };
   PyObject *rng = Py_None;
-  char *kwlist[] =
+  static const char *const kwlist[] =
     { "n", "e", "d", "p", "q", "dp", "dq", "q_inv", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&O&O&O&O&O&O&O&O:new", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&O&O&O&O&O&O&O&O:new", KWLIST,
                                   convmp, &rp.n, convmp, &rp.e,
                                   convmp, &rp.d,
                                   convmp, &rp.p, convmp, &rp.q,
@@ -645,7 +644,7 @@ static PyObject *rsapriv_pynew(PyTypeObject *ty,
     goto end;
   if ((rp.n && !MP_ODDP(rp.n)) ||
       (rp.p && !MP_ODDP(rp.p)) ||
-      (rp.p && !MP_ODDP(rp.q)))
+      (rp.q && !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))
@@ -707,9 +706,9 @@ static PyObject *rsameth_privop(PyObject *me, PyObject *arg, PyObject *kw)
   PyObject *rng = RSA_RNG(me);
   mp *x = 0;
   PyObject *rc = 0;
-  char *kwlist[] = { "x", "rng", 0 };
+  static const char *const kwlist[] = { "x", "rng", 0 };
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O:privop", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O:privop", KWLIST,
                                   convmp, &x, &rng))
     goto end;
   if (rng != Py_None && !GRAND_PYCHECK(rng))
@@ -721,27 +720,29 @@ end:
   return (rc);
 }
 
-static PyObject *meth__RSAPriv_generate(PyObject *me,
-                                       PyObject *arg, PyObject *kw)
+static PyObject *rsameth_generate(PyObject *me, PyObject *arg, PyObject *kw)
 {
   grand *r = &rand_global;
   unsigned nbits;
   unsigned n = 0;
   rsa_priv rp;
   mp *e = 0;
-  pgev evt = { 0 };
-  char *kwlist[] = { "class", "nbits", "event", "rng", "nsteps", "e", 0 };
+  struct excinfo exc = EXCINFO_INIT;
+  pypgev evt = { { 0 } };
+  static const char *const kwlist[] =
+    { "nbits", "event", "rng", "nsteps", "e", 0 };
   PyObject *rc = 0;
 
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "OO&|O&O&O&O&:generate", kwlist,
-                                  &me, convuint, &nbits, convpgev, &evt,
+  evt.exc = &exc;
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&O&O&O&:generate", KWLIST,
+                                  convuint, &nbits, convpgev, &evt,
                                   convgrand, &r, convuint, &n,
                                   convmp, &e))
     goto end;
   if (e) MP_COPY(e);
   else e = mp_fromulong(MP_NEW, 65537);
-  if (rsa_gen_e(&rp, nbits, e, r, n, evt.proc, evt.ctx))
-    PGENERR;
+  if (rsa_gen_e(&rp, nbits, e, r, n, evt.ev.proc, evt.ev.ctx))
+    PGENERR(&exc);
   rc = rsapriv_pywrap(&rp);
 end:
   droppgev(&evt);
@@ -749,42 +750,44 @@ end:
   return (rc);
 }
 
-static PyGetSetDef rsapub_pygetset[] = {
+static const PyGetSetDef rsapub_pygetset[] = {
 #define GETSETNAME(op, name) rsa##op##_##name
-  GET  (n,                     "R.n -> N")
-  GET  (e,                     "R.e -> E")
+  GET  (n,             "R.n -> N")
+  GET  (e,             "R.e -> E")
 #undef GETSETNAME
   { 0 }
 };
 
-static PyMethodDef rsapub_pymethods[] = {
+static const PyMethodDef rsapub_pymethods[] = {
 #define METHNAME(name) rsameth_##name
-  METH (pubop,                 "R.pubop(X) -> X^E (mod N)")
+  METH (pubop,         "R.pubop(X) -> X^E (mod N)")
 #undef METHNAME
   { 0 }
 };
 
-static PyGetSetDef rsapriv_pygetset[] = {
+static const PyGetSetDef rsapriv_pygetset[] = {
 #define GETSETNAME(op, name) rsa##op##_##name
-  GET  (d,                     "R.d -> D")
-  GET  (p,                     "R.p -> P")
-  GET  (q,                     "R.q -> Q")
-  GET  (dp,                    "R.dp -> D mod (P - 1)")
-  GET  (dq,                    "R.dq -> D mod (Q - 1)")
-  GET  (q_inv,                 "R.q_inv -> Q^{-1} mod P")
-  GETSET(rng,                  "R.rng -> random number source for blinding")
+  GET  (d,             "R.d -> D")
+  GET  (p,             "R.p -> P")
+  GET  (q,             "R.q -> Q")
+  GET  (dp,            "R.dp -> D mod (P - 1)")
+  GET  (dq,            "R.dq -> D mod (Q - 1)")
+  GET  (q_inv,         "R.q_inv -> Q^{-1} mod P")
+  GETSET(rng,          "R.rng -> random number source for blinding")
 #undef GETSETNAME
   { 0 }
 };
 
-static PyMethodDef rsapriv_pymethods[] = {
+static const PyMethodDef rsapriv_pymethods[] = {
 #define METHNAME(name) rsameth_##name
-  KWMETH(privop,               "R.privop(X, rng = None) -> X^D (mod N)")
+  KWMETH(privop,       "R.privop(X, [rng = None]) -> X^D (mod N)")
+  KWSMTH(generate, "generate(NBITS, [event = pgen_nullev], [rng = rand], "
+                                                       "[nsteps = 0]) -> R")
 #undef METHNAME
   { 0 }
 };
 
-static PyTypeObject rsapub_pytype_skel = {
+static const PyTypeObject rsapub_pytype_skel = {
   PyObject_HEAD_INIT(0) 0,             /* Header */
   "RSAPub",                            /* @tp_name@ */
   sizeof(rsapub_pyobj),                        /* @tp_basicsize@ */
@@ -809,7 +812,7 @@ static PyTypeObject rsapub_pytype_skel = {
     Py_TPFLAGS_BASETYPE,
 
   /* @tp_doc@ */
-"RSA public key information.",
+  "RSAPub(N, E): RSA public key.",
 
   0,                                   /* @tp_traverse@ */
   0,                                   /* @tp_clear@ */
@@ -817,9 +820,9 @@ static PyTypeObject rsapub_pytype_skel = {
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
   0,                                   /* @tp_iternext@ */
-  rsapub_pymethods,                    /* @tp_methods@ */
+  PYMETHODS(rsapub),                   /* @tp_methods@ */
   0,                                   /* @tp_members@ */
-  rsapub_pygetset,                     /* @tp_getset@ */
+  PYGETSET(rsapub),                    /* @tp_getset@ */
   0,                                   /* @tp_base@ */
   0,                                   /* @tp_dict@ */
   0,                                   /* @tp_descr_get@ */
@@ -832,7 +835,7 @@ static PyTypeObject rsapub_pytype_skel = {
   0                                    /* @tp_is_gc@ */
 };
 
-static PyTypeObject rsapriv_pytype_skel = {
+static const PyTypeObject rsapriv_pytype_skel = {
   PyObject_HEAD_INIT(0) 0,             /* Header */
   "RSAPriv",                           /* @tp_name@ */
   sizeof(rsapriv_pyobj),               /* @tp_basicsize@ */
@@ -857,7 +860,8 @@ static PyTypeObject rsapriv_pytype_skel = {
     Py_TPFLAGS_BASETYPE,
 
   /* @tp_doc@ */
-"RSA private key information.",
+  "RSAPriv(..., [rng = rand]): RSA private key.\n"
+  "  Keywords: n, e, d, p, q, dp, dq, q_inv; must provide enough",
 
   0,                                   /* @tp_traverse@ */
   0,                                   /* @tp_clear@ */
@@ -865,9 +869,9 @@ static PyTypeObject rsapriv_pytype_skel = {
   0,                                   /* @tp_weaklistoffset@ */
   0,                                   /* @tp_iter@ */
   0,                                   /* @tp_iternext@ */
-  rsapriv_pymethods,                   /* @tp_methods@ */
+  PYMETHODS(rsapriv),                  /* @tp_methods@ */
   0,                                   /* @tp_members@ */
-  rsapriv_pygetset,                    /* @tp_getset@ */
+  PYGETSET(rsapriv),                   /* @tp_getset@ */
   0,                                   /* @tp_base@ */
   0,                                   /* @tp_dict@ */
   0,                                   /* @tp_descr_get@ */
@@ -893,10 +897,10 @@ static PyObject *meth__p1crypt_encode(PyObject *me,
   octet *b = 0;
   size_t sz;
   mp *x;
-  char *kwlist[] = { "msg", "nbits", "ep", "rng", 0 };
+  static const char *const kwlist[] = { "msg", "nbits", "ep", "rng", 0 };
 
   p1.r = &rand_global; ep = 0; epsz = 0;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|s#O&:encode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|s#O&:encode", KWLIST,
                                   &m, &msz, convulong, &nbits,
                                   &ep, &epsz, convgrand, &p1.r))
     goto end;
@@ -923,10 +927,10 @@ static PyObject *meth__p1crypt_decode(PyObject *me,
   octet *b = 0;
   size_t sz;
   mp *x = 0;
-  char *kwlist[] = { "ct", "nbits", "ep", "rng", 0 };
+  static const char *const kwlist[] = { "ct", "nbits", "ep", "rng", 0 };
 
   p1.r = &rand_global; ep = 0; epsz = 0;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|s#O&:decode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|s#O&:decode", KWLIST,
                                   convmp, &x, convulong, &nbits,
                                   &ep, &epsz, convgrand, &p1.r))
     goto end;
@@ -954,10 +958,10 @@ static PyObject *meth__p1sig_encode(PyObject *me,
   octet *b = 0;
   size_t sz;
   mp *x;
-  char *kwlist[] = { "msg", "nbits", "ep", "rng", 0 };
+  static const char *const kwlist[] = { "msg", "nbits", "ep", "rng", 0 };
 
   p1.r = &rand_global; ep = 0; epsz = 0;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|s#O&:encode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|s#O&:encode", KWLIST,
                                   &m, &msz, convulong, &nbits,
                                   &ep, &epsz, convgrand, &p1.r))
     goto end;
@@ -985,10 +989,11 @@ static PyObject *meth__p1sig_decode(PyObject *me,
   octet *b = 0;
   size_t sz;
   mp *x = 0;
-  char *kwlist[] = { "msg", "sig", "nbits", "ep", "rng", 0 };
+  static const char *const kwlist[] =
+    { "msg", "sig", "nbits", "ep", "rng", 0 };
 
   p1.r = &rand_global; ep = 0; epsz = 0;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "OO&O&|s#O&:decode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "OO&O&|s#O&:decode", KWLIST,
                                   &hukairz, convmp, &x, convulong, &nbits,
                                   &ep, &epsz, convgrand, &p1.r))
     goto end;
@@ -1016,10 +1021,11 @@ static PyObject *meth__oaep_encode(PyObject *me,
   octet *b = 0;
   size_t sz;
   mp *x;
-  char *kwlist[] = { "msg", "nbits", "mgf", "hash", "ep", "rng", 0 };
+  static const char *const kwlist[] =
+    { "msg", "nbits", "mgf", "hash", "ep", "rng", 0 };
 
   o.r = &rand_global; o.cc = &sha_mgf; o.ch = &sha; ep = 0; epsz = 0;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|O&O&s#O&:encode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|O&O&s#O&:encode", KWLIST,
                                   &m, &msz, convulong, &nbits,
                                   convgccipher, &o.cc,
                                   convgchash, &o.ch,
@@ -1049,10 +1055,11 @@ static PyObject *meth__oaep_decode(PyObject *me,
   octet *b = 0;
   size_t sz;
   mp *x = 0;
-  char *kwlist[] = { "ct", "nbits", "mgf", "hash", "ep", "rng", 0 };
+  static const char *const kwlist[] =
+    { "ct", "nbits", "mgf", "hash", "ep", "rng", 0 };
 
   o.r = &rand_global; o.cc = &sha_mgf; o.ch = &sha; ep = 0; epsz = 0;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&O&s#O&:decode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&O&s#O&:decode", KWLIST,
                                   convmp, &x, convulong, &nbits,
                                   convgccipher, &o.cc,
                                   convgchash, &o.ch,
@@ -1083,10 +1090,11 @@ static PyObject *meth__pss_encode(PyObject *me,
   octet *b = 0;
   size_t sz;
   mp *x = 0;
-  char *kwlist[] = { "msg", "nbits", "mgf", "hash", "saltsz", "rng", 0 };
+  static const char *const kwlist[] =
+    { "msg", "nbits", "mgf", "hash", "saltsz", "rng", 0 };
 
   p.cc = &sha_mgf; p.ch = &sha; p.r = &rand_global; p.ssz = (size_t)-1;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|O&O&O&O&:encode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&|O&O&O&O&:encode", KWLIST,
                                   &m, &msz, convulong, &nbits,
                                   convgccipher, &p.cc,
                                   convgchash, &p.ch,
@@ -1116,11 +1124,11 @@ static PyObject *meth__pss_decode(PyObject *me,
   size_t sz;
   int n;
   mp *x = 0;
-  char *kwlist[] =
+  static const char *const kwlist[] =
     { "msg", "sig", "nbits", "mgf", "hash", "saltsz", "rng", 0 };
 
   p.cc = &sha_mgf; p.ch = &sha; p.r = &rand_global; p.ssz = (size_t)-1;
-  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&O&|O&O&O&O&:decode", kwlist,
+  if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&O&|O&O&O&O&:decode", KWLIST,
                                   &m, &msz, convmp, &x, convulong, &nbits,
                                   convgccipher, &p.cc,
                                   convgchash, &p.ch,
@@ -1196,10 +1204,11 @@ XDHS(DEFXDH)
     int ph = phdflt;                                                   \
     PyObject *rc = 0;                                                  \
     octet pp[ED##_PUBSZ];                                              \
-    char *kwlist[] = { "key", "msg", "pub", "perso", "phflag", 0 };    \
+    static const char *const kwlist[] =                                        \
+      { "key", "msg", "pub", "perso", "phflag", 0 };                   \
     if (!PyArg_ParseTupleAndKeywords(arg, kw,                          \
                                     "s#s#|s#s#O&:" #ed "_sign",        \
-                                    kwlist,                            \
+                                    KWLIST,                            \
                                     &k, &ksz, &m, &msz, &p, &psz,      \
                                     &c, &csz, convbool, &ph))          \
       goto end;                                                                \
@@ -1223,10 +1232,11 @@ XDHS(DEFXDH)
     Py_ssize_t psz, csz = 0, msz, ssz;                                 \
     int ph = phdflt;                                                   \
     PyObject *rc = 0;                                                  \
-    char *kwlist[] = { "pub", "msg", "sig", "perso", "phflag", 0 };    \
+    static const char *const kwlist[] =                                        \
+      { "pub", "msg", "sig", "perso", "phflag", 0 };                   \
     if (!PyArg_ParseTupleAndKeywords(arg, kw,                          \
                                     "s#s#s#|s#O&:" #ed "_verify",      \
-                                    kwlist,                            \
+                                    KWLIST,                            \
                                     &p, &psz, &m, &msz, &s, &ssz,      \
                                     &c, &csz, convbool, &ph))          \
       goto end;                                                                \
@@ -1246,32 +1256,36 @@ EDDSAS(DEFEDDSA)
 
 /*----- Global stuff ------------------------------------------------------*/
 
-static PyMethodDef methods[] = {
+static const struct nameval consts[] = {
+  CONST(X25519_KEYSZ), CONST(X25519_PUBSZ), CONST(X25519_OUTSZ),
+  CONST(X448_KEYSZ), CONST(X448_PUBSZ), CONST(X448_OUTSZ),
+  CONST(ED25519_KEYSZ), CONST(ED25519_PUBSZ), CONST(ED25519_SIGSZ),
+    CONST(ED25519_MAXPERSOSZ),
+  CONST(ED448_KEYSZ), CONST(ED448_PUBSZ), CONST(ED448_SIGSZ),
+    CONST(ED448_MAXPERSOSZ),
+  { 0 }
+};
+
+static const PyMethodDef methods[] = {
 #define METHNAME(name) meth_##name
-  KWMETH(_p1crypt_encode,              0)
-  KWMETH(_p1crypt_decode,              0)
-  KWMETH(_p1sig_encode,                        0)
-  KWMETH(_p1sig_decode,                        0)
-  KWMETH(_oaep_encode,                 0)
-  KWMETH(_oaep_decode,                 0)
-  KWMETH(_pss_encode,                  0)
-  KWMETH(_pss_decode,                  0)
-  KWMETH(_RSAPriv_generate,            "\
-generate(NBITS, [event = pgen_nullev, rng = rand, nsteps = 0]) -> R")
+  KWMETH(_p1crypt_encode, 0)
+  KWMETH(_p1crypt_decode, 0)
+  KWMETH(_p1sig_encode,        0)
+  KWMETH(_p1sig_decode,        0)
+  KWMETH(_oaep_encode, 0)
+  KWMETH(_oaep_decode, 0)
+  KWMETH(_pss_encode,  0)
+  KWMETH(_pss_decode,  0)
 #define DEFMETH(X, x)                                                  \
-  METH  (x,                            "\
-" #x "(KEY, PUBLIC) -> SHARED")
+  METH (x,             "" #x "(KEY, PUBLIC) -> SHARED")
   XDHS(DEFMETH)
 #undef DEFMETH
 #define DEFMETH(ED, ed, phdflt, sigver)                                        \
-  METH  (ed##_pubkey,                  "\
-" #ed "_pubkey(KEY) -> PUBLIC")                                                \
-  KWMETH(ed##_sign,                    "\
-" #ed "_sign(KEY, MSG, [pub = PUBLIC, "                                        \
-        "perso = STRING, phflag = BOOL]) -> SIG")                      \
-  KWMETH(ed##_verify,                  "\
-" #ed "_verify(PUBLIC, MSG, SIG, "                                     \
-        "[perso = STRING, phflag = BOOL]) -> BOOL")
+  METH (ed##_pubkey,   "" #ed "_pubkey(KEY) -> PUBLIC")                \
+  KWMETH(ed##_sign,    "" #ed "_sign(KEY, MSG, [pub = PUBLIC], "       \
+                          "[perso = STRING], [phflag = BOOL]) -> SIG") \
+  KWMETH(ed##_verify,  "" #ed "_verify(PUBLIC, MSG, SIG, "             \
+                         "[perso = STRING], [phflag = BOOL]) -> BOOL")
   EDDSAS(DEFMETH)
 #undef DEFMETH
 #undef METHNAME
@@ -1297,6 +1311,7 @@ void pubkey_pyinsert(PyObject *mod)
   INSERT("KCDSAPriv", kcdsapriv_pytype);
   INSERT("RSAPub", rsapub_pytype);
   INSERT("RSAPriv", rsapriv_pytype);
+  setconstants(mod, consts);
 }
 
 /*----- That's all, folks -------------------------------------------------*/