diff --git a/doc/pyOpenSSL.ps b/doc/pyOpenSSL.ps
index f9b845b..cfd9199 100644
--- a/doc/pyOpenSSL.ps
+++ b/doc/pyOpenSSL.ps
@@ -1,7 +1,7 @@
 %!PS-Adobe-2.0
 %%Creator: dvips(k) 5.96.1 Copyright 2007 Radical Eye Software
 %%Title: pyOpenSSL.dvi
-%%CreationDate: Sun Oct 19 11:51:38 2008
+%%CreationDate: Sat Mar  7 09:06:10 2009
 %%Pages: 15
 %%PageOrder: Ascend
 %%BoundingBox: 0 0 596 842
@@ -10,7 +10,7 @@
 %DVIPSWebPage: (www.radicaleye.com)
 %DVIPSCommandLine: dvips -N0 -o pyOpenSSL.ps pyOpenSSL
 %DVIPSParameters: dpi=600
-%DVIPSSource:  TeX output 2008.10.19:1151
+%DVIPSSource:  TeX output 2009.03.07:0906
 %%BeginProcSet: tex.pro 0 0
 %!
 /TeXDict 300 dict def TeXDict begin/N{def}def/B{bind def}N/S{exch}N/X{S
@@ -1794,8 +1794,11 @@
 001F807C001F80FE001F80FE001F80FE001F00FC003F0078003E0070007C003800F8001F
 01F00007FFC00000FF000019277DA521>I E
 %EndDVIPSBitmapFont
-%DVIPSBitmapFont: Fl ectt1000 10 68
-/Fl 68 123 df<0000380000FC0001FC0003FC0007F8000FF0001FC0003F80007F0000FE
+%DVIPSBitmapFont: Fl ectt1000 10 69
+/Fl 69 123 df<3C001E007F007F00FF007F80FF007F80FF007F80FF007F80FF007F80FF
+007F807F007F007F007F007F007F007F007F007F007F007F007F007E003F007E003F007E
+003F007E003F007E003F007E003F003E003E003E003E003E003E003C001E001C001C0019
+1977B32C>34 D<0000380000FC0001FC0003FC0007F8000FF0001FC0003F80007F0000FE
 0001FC0003F80003F00007F00007E0000FE0000FC0001F80001F80003F80003F00003F00
 007F00007E00007E00007E0000FE0000FC0000FC0000FC0000FC0000FC0000FC0000FC00
 00FC0000FC0000FC0000FC0000FC0000FE00007E00007E00007E00007F00003F00003F00
@@ -4485,8 +4488,8 @@
 %%Page: 1 1
 TeXDict begin 1 0 bop 0 83 3901 9 v 1890 451 a Ft(Python)64
 b(Op)5 b(enSSL)64 b(Manual)3443 619 y Fs(Release)33 b(0.8)3189
-974 y Fr(Ma)m(rtin)k(Sj\366gren)3280 1328 y Fq(Octob)r(er)26
-b(19,)h(2008)3301 1475 y Fp(ma)n(rtin@strakt.com)1781
+974 y Fr(Ma)m(rtin)k(Sj\366gren)3383 1328 y Fq(Marc)n(h)27
+b(7,)g(2009)3301 1475 y Fp(ma)n(rtin@strakt.com)1781
 1697 y Fo(Abstract)208 1841 y Fn(This)32 b(mo)r(dule)f(is)h(a)g(rather)
 g(thin)f(wrapp)r(er)h(around)g(\(a)g(subset)f(of)6 b(\))32
 b(the)g(Op)r(enSSL)e(library)-6 b(.)52 b(With)32 b(thin)f(wrapp)r(er)
@@ -4526,7 +4529,7 @@
 b(7)315 3743 y(PK)n(CS7)27 b(ob)5 b(jects)59 b(.)41 b(.)h(.)f(.)h(.)g
 (.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)
 h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f
-(.)h(.)f(.)h(.)134 b(7)315 3842 y(PK)n(CS12)27 b(ob)5
+(.)h(.)f(.)h(.)134 b(8)315 3842 y(PK)n(CS12)27 b(ob)5
 b(jects)81 b(.)42 b(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f
 (.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)
 f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)134 b(8)315
@@ -4539,14 +4542,14 @@
 f(.)h(.)f(.)h(.)134 b(8)125 4141 y(3.2)83 b Fl(rand)26
 b Fq(\026)i(An)g(in)n(terface)f(to)g(the)h(Op)r(enSSL)g(pseudo)f
 (random)g(n)n(um)n(b)r(er)g(generator)50 b(.)41 b(.)h(.)f(.)h(.)g(.)f
-(.)h(.)f(.)h(.)f(.)h(.)134 b(8)125 4241 y(3.3)83 b Fl(SSL)27
+(.)h(.)f(.)h(.)f(.)h(.)134 b(9)125 4241 y(3.3)83 b Fl(SSL)27
 b Fq(\026)g(An)i(in)n(terface)d(to)i(the)g(SSL-sp)r(eci\034c)f(parts)g
 (of)h(Op)r(enSSL)64 b(.)42 b(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)
 h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)134 b(9)315 4340 y(Con)n(text)28
 b(ob)5 b(jects)98 b(.)42 b(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h
 (.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)
 f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)93
-b(10)315 4440 y(Connection)27 b(ob)5 b(jects)108 b(.)42
+b(11)315 4440 y(Connection)27 b(ob)5 b(jects)108 b(.)42
 b(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)g
 (.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)
 h(.)f(.)h(.)f(.)h(.)93 b(12)0 4623 y Fm(4)77 b(In)m(ternals)3310
@@ -4557,7 +4560,7 @@
 b(.)42 b(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h(.)
 g(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f
 (.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)93
-b(14)125 4921 y(4.3)83 b(A)n(cessing)27 b(So)r(c)n(k)n(et)g(Metho)r(ds)
+b(15)125 4921 y(4.3)83 b(A)n(cessing)27 b(So)r(c)n(k)n(et)g(Metho)r(ds)
 82 b(.)42 b(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f
 (.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)f(.)h(.)f(.)h(.)f(.)h(.)g(.)f(.)h(.)
 f(.)h(.)f(.)h(.)93 b(15)p 0 5068 V eop end
@@ -4807,671 +4810,695 @@
 Fc(digest)8 b Fq(.)0 2880 y Fl(subject_name_has)o(h\()o(\))208
 2979 y Fq(Return)27 b(the)h(hash)f(of)h(the)g(certi\034cate)f(sub)5
 b(ject.)0 3126 y Fl(digest\()p Fc(digest_name)h Fl(\))208
-3226 y Fq(Return)27 b(a)g(digest)h(of)f(the)h(certi\034cate,)f(using)g
-(the)h Fc(digest_name)35 b Fq(metho)r(d.)0 3373 y Fl(add_extensions\()p
-Fc(ex)o(tensions)7 b Fl(\))208 3472 y Fq(A)n(dd)27 b(the)h(extensions)f
-(in)h(the)g(sequence)f Fc(extensions)34 b Fq(to)27 b(the)h
-(certi\034cate.)0 3735 y Ff(X509Name)e(objects)0 3936
-y Fq(X509Name)g(ob)5 b(jects)27 b(ha)n(v)n(e)g(the)h(follo)n(wing)e
-(metho)r(ds:)0 4083 y Fl(hash\(\))208 4182 y Fq(Return)e(an)g(in)n
-(teger)f(giving)g(the)i(\034rst)f(four)g(b)n(ytes)f(of)h(the)h(MD5)f
-(digest)g(of)g(the)h(DER)g(represen)n(tation)e(of)h(the)g(name.)0
-4329 y Fl(der\(\))208 4429 y Fq(Return)j(a)g(string)g(giving)g(the)h
-(DER)h(represen)n(tation)c(of)j(the)g(name.)0 4576 y
-Fl(get_components\(\))208 4675 y Fq(Return)f(a)g(list)h(of)g(t)n(w)n
-(o-tuples)e(of)i(strings)e(giving)h(the)h(comp)r(onen)n(ts)f(of)h(the)g
-(name.)0 4822 y(X509Name)e(ob)5 b(jects)27 b(ha)n(v)n(e)g(the)h(follo)n
-(wing)e(mem)n(b)r(ers:)0 4969 y Fl(countryName)208 5069
-y Fq(The)h(coun)n(try)g(of)g(the)h(en)n(tit)n(y)-7 b(.)37
-b Fl(C)27 b Fq(ma)n(y)g(b)r(e)h(used)g(as)f(an)g(alias)f(for)h
-Fl(countryName)p Fq(.)0 5215 y Fl(stateOrProvinceN)o(am)o(e)208
-5315 y Fq(The)g(state)h(or)e(pro)n(vince)g(of)i(the)g(en)n(tit)n(y)-7
-b(.)37 b Fl(ST)27 b Fq(ma)n(y)f(b)r(e)i(used)g(as)f(an)g(alias)g(for)g
-Fl(stateOrProvince)o(Na)o(me)p Fq(\267)p 0 5549 3901
-4 v 0 5649 a Ff(6)2239 b(3)83 b Fl(OpenSSL)24 b Ff(\026)k(Python)f
-(interface)h(to)f(Op)r(enSSL)p eop end
-%%Page: 7 7
-TeXDict begin 7 6 bop 0 83 a Fl(localityName)208 183
-y Fq(The)27 b(lo)r(calit)n(y)g(of)h(the)f(en)n(tit)n(y)-7
-b(.)37 b Fl(L)28 b Fq(ma)n(y)e(b)r(e)i(used)g(as)f(an)g(alias)g(for)g
-Fl(localityName)p Fq(.)0 330 y Fl(organizationName)208
-429 y Fq(The)g(organization)e(name)j(of)f(the)h(en)n(tit)n(y)-7
-b(.)37 b Fl(O)27 b Fq(ma)n(y)g(b)r(e)h(used)g(as)e(an)i(alias)e(for)h
-Fl(organizationName)p Fq(.)0 576 y Fl(organizationalUn)o(it)o(Nam)o(e)
-208 676 y Fq(The)g(organizational)e(unit)j(of)g(the)g(en)n(tit)n(y)-7
-b(.)36 b Fl(OU)27 b Fq(ma)n(y)g(b)r(e)h(used)g(as)f(an)g(alias)f(for)h
-Fl(organizationalUni)o(tN)o(am)o(e)p Fq(.)0 823 y Fl(commonName)208
-922 y Fq(The)g(common)g(name)h(of)f(the)h(en)n(tit)n(y)-7
-b(.)37 b Fl(CN)27 b Fq(ma)n(y)f(b)r(e)i(used)g(as)f(an)g(alias)g(for)g
-Fl(commonName)p Fq(.)0 1069 y Fl(emailAddress)208 1169
-y Fq(The)g(e-mail)g(address)f(of)i(the)g(en)n(tit)n(y)-7
-b(.)0 1432 y Ff(X509Req)26 b(objects)0 1632 y Fq(X509Req)g(ob)5
+3226 y Fq(Return)38 b(a)f(digest)h(of)g(the)g(certi\034cate,)i(using)e
+(the)g Fc(digest_name)45 b Fq(metho)r(d.)69 b Fc(digest_name)45
+b Fq(m)n(ust)38 b(b)r(e)g(a)g(string)208 3325 y(describing)28
+b(a)i(digest)f(algorithm)f(supp)r(orted)i(b)n(y)f(Op)r(enSSL)h(\(b)n(y)
+g(EVP_get_digestb)n(yname,)f(sp)r(eci\034cally\).)43
+b(F)-7 b(or)208 3425 y(example,)27 b Fl("md5")e Fq(or)i
+Fl("sha1")p Fq(.)0 3572 y Fl(add_extensions\()p Fc(ex)o(tensions)7
+b Fl(\))208 3671 y Fq(A)n(dd)27 b(the)h(extensions)f(in)h(the)g
+(sequence)f Fc(extensions)34 b Fq(to)27 b(the)h(certi\034cate.)0
+3934 y Ff(X509Name)e(objects)0 4135 y Fq(X509Name)g(ob)5
 b(jects)27 b(ha)n(v)n(e)g(the)h(follo)n(wing)e(metho)r(ds:)0
-1779 y Fl(get_pubkey\(\))208 1879 y Fq(Return)h(a)g(PKey)h(ob)5
+4282 y Fl(hash\(\))208 4381 y Fq(Return)e(an)g(in)n(teger)f(giving)g
+(the)i(\034rst)f(four)g(b)n(ytes)f(of)h(the)h(MD5)f(digest)g(of)g(the)h
+(DER)g(represen)n(tation)e(of)h(the)g(name.)0 4528 y
+Fl(der\(\))208 4628 y Fq(Return)j(a)g(string)g(giving)g(the)h(DER)h
+(represen)n(tation)c(of)j(the)g(name.)0 4775 y Fl(get_components\(\))
+208 4874 y Fq(Return)f(a)g(list)h(of)g(t)n(w)n(o-tuples)e(of)i(strings)
+e(giving)h(the)h(comp)r(onen)n(ts)f(of)h(the)g(name.)0
+5021 y(X509Name)e(ob)5 b(jects)27 b(ha)n(v)n(e)g(the)h(follo)n(wing)e
+(mem)n(b)r(ers:)0 5168 y Fl(countryName)208 5268 y Fq(The)h(coun)n(try)
+g(of)g(the)h(en)n(tit)n(y)-7 b(.)37 b Fl(C)27 b Fq(ma)n(y)g(b)r(e)h
+(used)g(as)f(an)g(alias)f(for)h Fl(countryName)p Fq(.)p
+0 5549 3901 4 v 0 5649 a Ff(6)2239 b(3)83 b Fl(OpenSSL)24
+b Ff(\026)k(Python)f(interface)h(to)f(Op)r(enSSL)p eop
+end
+%%Page: 7 7
+TeXDict begin 7 6 bop 0 83 a Fl(stateOrProvinceN)o(am)o(e)208
+183 y Fq(The)27 b(state)h(or)e(pro)n(vince)g(of)i(the)g(en)n(tit)n(y)-7
+b(.)37 b Fl(ST)27 b Fq(ma)n(y)f(b)r(e)i(used)g(as)f(an)g(alias)g(for)g
+Fl(stateOrProvince)o(Na)o(me)p Fq(\267)0 330 y Fl(localityName)208
+429 y Fq(The)g(lo)r(calit)n(y)g(of)h(the)f(en)n(tit)n(y)-7
+b(.)37 b Fl(L)28 b Fq(ma)n(y)e(b)r(e)i(used)g(as)f(an)g(alias)g(for)g
+Fl(localityName)p Fq(.)0 576 y Fl(organizationName)208
+676 y Fq(The)g(organization)e(name)j(of)f(the)h(en)n(tit)n(y)-7
+b(.)37 b Fl(O)27 b Fq(ma)n(y)g(b)r(e)h(used)g(as)e(an)i(alias)e(for)h
+Fl(organizationName)p Fq(.)0 823 y Fl(organizationalUn)o(it)o(Nam)o(e)
+208 922 y Fq(The)g(organizational)e(unit)j(of)g(the)g(en)n(tit)n(y)-7
+b(.)36 b Fl(OU)27 b Fq(ma)n(y)g(b)r(e)h(used)g(as)f(an)g(alias)f(for)h
+Fl(organizationalUni)o(tN)o(am)o(e)p Fq(.)0 1069 y Fl(commonName)208
+1169 y Fq(The)g(common)g(name)h(of)f(the)h(en)n(tit)n(y)-7
+b(.)37 b Fl(CN)27 b Fq(ma)n(y)f(b)r(e)i(used)g(as)f(an)g(alias)g(for)g
+Fl(commonName)p Fq(.)0 1316 y Fl(emailAddress)208 1415
+y Fq(The)g(e-mail)g(address)f(of)i(the)g(en)n(tit)n(y)-7
+b(.)0 1678 y Ff(X509Req)26 b(objects)0 1879 y Fq(X509Req)g(ob)5
+b(jects)27 b(ha)n(v)n(e)g(the)h(follo)n(wing)e(metho)r(ds:)0
+2025 y Fl(get_pubkey\(\))208 2125 y Fq(Return)h(a)g(PKey)h(ob)5
 b(ject)27 b(represen)n(ting)f(the)i(public)g(k)n(ey)f(of)g(the)h
-(certi\034cate)f(request.)0 2025 y Fl(get_subject\(\))208
-2125 y Fq(Return)g(an)h(X509Name)e(ob)5 b(ject)27 b(represen)n(ting)f
+(certi\034cate)f(request.)0 2272 y Fl(get_subject\(\))208
+2372 y Fq(Return)g(an)h(X509Name)e(ob)5 b(ject)27 b(represen)n(ting)f
 (the)i(sub)5 b(ject)28 b(of)f(the)h(certi\034cate.)0
-2272 y Fl(set_pubkey\()p Fc(pkey)7 b Fl(\))208 2372 y
+2518 y Fl(set_pubkey\()p Fc(pkey)7 b Fl(\))208 2618 y
 Fq(Set)28 b(the)f(public)h(k)n(ey)f(of)h(the)g(certi\034cate)f(request)
-g(to)g Fc(pkey)7 b Fq(.)0 2518 y Fl(sign\()p Fc(pkey,)29
-b(digest)8 b Fl(\))208 2618 y Fq(Sign)36 b(the)g(certi\034cate)g
+g(to)g Fc(pkey)7 b Fq(.)0 2765 y Fl(sign\()p Fc(pkey,)29
+b(digest)8 b Fl(\))208 2865 y Fq(Sign)36 b(the)g(certi\034cate)g
 (request,)h(using)f(the)g(k)n(ey)h Fc(pkey)45 b Fq(and)36
 b(the)g(message)f(digest)g(algorithm)g(iden)n(ti\034ed)i(b)n(y)f(the)
-208 2718 y(string)28 b Fc(digest)8 b Fq(.)0 2865 y Fl(verify\()p
-Fc(pkey)f Fl(\))208 2964 y Fq(V)-7 b(erify)27 b(a)g(certi\034cate)g
+208 2964 y(string)28 b Fc(digest)8 b Fq(.)0 3111 y Fl(verify\()p
+Fc(pkey)f Fl(\))208 3211 y Fq(V)-7 b(erify)27 b(a)g(certi\034cate)g
 (request)g(using)g(the)h(public)g(k)n(ey)g Fc(pkey)7
-b Fq(.)0 3227 y Ff(X509Sto)n(re)26 b(objects)0 3428 y
-Fq(The)i(X509Store)d(ob)5 b(ject)28 b(has)f(curren)n(tly)f(just)i(one)g
-(metho)r(d:)0 3575 y Fl(add_cert\()p Fc(c)l(ert)8 b Fl(\))208
-3674 y Fq(A)n(dd)27 b(the)h(certi\034cate)f Fc(c)l(ert)36
-b Fq(to)27 b(the)h(certi\034cate)f(store.)0 3937 y Ff(PKey)g(objects)0
-4138 y Fq(The)h(PKey)f(ob)5 b(ject)27 b(has)g(the)h(follo)n(wing)f
-(metho)r(ds:)0 4285 y Fl(bits\(\))208 4384 y Fq(Return)g(the)h(n)n(um)n
-(b)r(er)f(of)h(bits)g(of)f(the)h(k)n(ey)-7 b(.)0 4531
-y Fl(generate_key\()p Fc(typ)l(e,)25 b(bits)7 b Fl(\))208
-4631 y Fq(Generate)22 b(a)h(public/priv)-5 b(ate)23 b(k)n(ey)f(pair)h
-(of)g(the)h(t)n(yp)r(e)f Fc(typ)l(e)30 b Fq(\(one)23
-b(of)30 b Fl(TYPE_RSA)19 b Fq(and)24 b Fl(TYPE_DSA)p
-Fq(\))c(with)j(the)h(size)f Fc(bits)7 b Fq(.)0 4778 y
-Fl(type\(\))208 4877 y Fq(Return)27 b(the)h(t)n(yp)r(e)g(of)f(the)h(k)n
-(ey)-7 b(.)0 5140 y Ff(PK)n(CS7)27 b(objects)0 5341 y
-Fq(PK)n(CS7)g(ob)5 b(jects)27 b(ha)n(v)n(e)f(the)i(follo)n(wing)f
-(metho)r(ds:)p 0 5549 3901 4 v 0 5649 a Ff(3.1)82 b Fl(crypto)25
-b Ff(\026)j(Generic)g(cryptographic)e(mo)r(dule)2234
+b Fq(.)0 3358 y Fl(set_version\()p Fc(version)f Fl(\))208
+3457 y Fq(Set)28 b(the)f(v)n(ersion)f(\(RF)n(C)i(2459,)e(4.1.2.1\))g
+(of)i(the)g(certi\034cate)f(request)f(to)i Fc(version)6
+b Fq(.)0 3604 y Fl(get_version\(\))208 3704 y Fq(Get)28
+b(the)f(v)n(ersion)f(\(RF)n(C)i(2459,)e(4.1.2.1\))g(of)i(the)g
+(certi\034cate)f(request.)0 3967 y Ff(X509Sto)n(re)f(objects)0
+4167 y Fq(The)i(X509Store)d(ob)5 b(ject)28 b(has)f(curren)n(tly)f(just)
+i(one)g(metho)r(d:)0 4314 y Fl(add_cert\()p Fc(c)l(ert)8
+b Fl(\))208 4414 y Fq(A)n(dd)27 b(the)h(certi\034cate)f
+Fc(c)l(ert)36 b Fq(to)27 b(the)h(certi\034cate)f(store.)0
+4677 y Ff(PKey)g(objects)0 4877 y Fq(The)h(PKey)f(ob)5
+b(ject)27 b(has)g(the)h(follo)n(wing)f(metho)r(ds:)0
+5024 y Fl(bits\(\))208 5124 y Fq(Return)g(the)h(n)n(um)n(b)r(er)f(of)h
+(bits)g(of)f(the)h(k)n(ey)-7 b(.)0 5271 y Fl(generate_key\()p
+Fc(typ)l(e,)25 b(bits)7 b Fl(\))208 5370 y Fq(Generate)22
+b(a)h(public/priv)-5 b(ate)23 b(k)n(ey)f(pair)h(of)g(the)h(t)n(yp)r(e)f
+Fc(typ)l(e)30 b Fq(\(one)23 b(of)30 b Fl(TYPE_RSA)19
+b Fq(and)24 b Fl(TYPE_DSA)p Fq(\))c(with)j(the)h(size)f
+Fc(bits)7 b Fq(.)p 0 5549 3901 4 v 0 5649 a Ff(3.1)82
+b Fl(crypto)25 b Ff(\026)j(Generic)g(cryptographic)e(mo)r(dule)2234
 b(7)p eop end
 %%Page: 8 8
-TeXDict begin 8 7 bop 0 83 a Fl(type_is_signed\(\))208
-183 y Fq(FIXME)0 330 y Fl(type_is_envelope)o(d\()o(\))208
-429 y Fq(FIXME)0 576 y Fl(type_is_signedAn)o(dE)o(nve)o(lo)o(pe)o
-(d\(\))208 676 y Fq(FIXME)0 823 y Fl(type_is_data\(\))208
-922 y Fq(FIXME)0 1069 y Fl(get_type_name\(\))208 1169
-y Fq(Get)28 b(the)f(t)n(yp)r(e)h(name)g(of)f(the)h(PK)n(CS7.)0
-1432 y Ff(PK)n(CS12)e(objects)0 1632 y Fq(PK)n(CS12)g(ob)5
-b(jects)28 b(ha)n(v)n(e)e(the)i(follo)n(wing)e(metho)r(ds:)0
-1779 y Fl(get_certificate\()o(\))208 1879 y Fq(Return)h(certi\034cate)g
-(p)r(ortion)g(of)h(the)g(PK)n(CS12)e(structure.)0 2025
-y Fl(get_privatekey\(\))208 2125 y Fq(Return)h(priv)-5
-b(ate)27 b(k)n(ey)g(p)r(ortion)g(of)h(the)g(PK)n(CS12)e(structure)0
-2272 y Fl(get_ca_certifica)o(te)o(s\(\))208 2372 y Fq(Return)k(CA)g
-(certi\034cates)f(within)i(the)f(PK)n(CS12)f(ob)5 b(ject)30
-b(as)f(a)g(tuple.)45 b(Returns)30 b(None)g(if)g(no)g(CA)g
-(certi\034cates)f(are)208 2471 y(presen)n(t.)0 2734 y
-Ff(X509Extension)c(objects)0 2935 y Fq(X509Extension)h(ob)5
-b(jects)27 b(curren)n(tly)g(only)g(ha)n(v)n(e)f(one)i(metho)r(d:)0
-3082 y Fl(get_critical\(\))208 3181 y Fq(Return)f(the)h(critical)f
-(\034eld)h(of)f(the)h(extension)f(ob)5 b(ject.)0 3444
-y Ff(Netscap)r(eSPKI)27 b(objects)0 3645 y Fq(Netscap)r(eSPKI)h(ob)5
+TeXDict begin 8 7 bop 0 83 a Fl(type\(\))208 183 y Fq(Return)27
+b(the)h(t)n(yp)r(e)g(of)f(the)h(k)n(ey)-7 b(.)0 446 y
+Ff(PK)n(CS7)27 b(objects)0 646 y Fq(PK)n(CS7)g(ob)5 b(jects)27
+b(ha)n(v)n(e)f(the)i(follo)n(wing)f(metho)r(ds:)0 793
+y Fl(type_is_signed\(\))208 893 y Fq(FIXME)0 1040 y Fl
+(type_is_envelope)o(d\()o(\))208 1139 y Fq(FIXME)0 1286
+y Fl(type_is_signedAn)o(dE)o(nve)o(lo)o(pe)o(d\(\))208
+1386 y Fq(FIXME)0 1532 y Fl(type_is_data\(\))208 1632
+y Fq(FIXME)0 1779 y Fl(get_type_name\(\))208 1879 y Fq(Get)h(the)f(t)n
+(yp)r(e)h(name)g(of)f(the)h(PK)n(CS7.)0 2142 y Ff(PK)n(CS12)e(objects)0
+2342 y Fq(PK)n(CS12)g(ob)5 b(jects)28 b(ha)n(v)n(e)e(the)i(follo)n
+(wing)e(metho)r(ds:)0 2489 y Fl(get_certificate\()o(\))208
+2589 y Fq(Return)h(certi\034cate)g(p)r(ortion)g(of)h(the)g(PK)n(CS12)e
+(structure.)0 2735 y Fl(get_privatekey\(\))208 2835 y
+Fq(Return)h(priv)-5 b(ate)27 b(k)n(ey)g(p)r(ortion)g(of)h(the)g(PK)n
+(CS12)e(structure)0 2982 y Fl(get_ca_certifica)o(te)o(s\(\))208
+3082 y Fq(Return)k(CA)g(certi\034cates)f(within)i(the)f(PK)n(CS12)f(ob)
+5 b(ject)30 b(as)f(a)g(tuple.)45 b(Returns)30 b(None)g(if)g(no)g(CA)g
+(certi\034cates)f(are)208 3181 y(presen)n(t.)0 3444 y
+Ff(X509Extension)c(objects)0 3645 y Fq(X509Extension)h(ob)5
+b(jects)27 b(ha)n(v)n(e)g(sev)n(eral)f(metho)r(ds:)0
+3792 y Fl(get_critical\(\))208 3891 y Fq(Return)h(the)h(critical)f
+(\034eld)h(of)f(the)h(extension)f(ob)5 b(ject.)0 4038
+y Fl(get_short_name\(\))208 4138 y Fq(Return)27 b(the)h(short)f(t)n(yp)
+r(e)h(name)f(of)h(the)g(extension)f(ob)5 b(ject.)0 4401
+y Ff(Netscap)r(eSPKI)27 b(objects)0 4601 y Fq(Netscap)r(eSPKI)h(ob)5
 b(jects)27 b(ha)n(v)n(e)f(the)i(follo)n(wing)e(metho)r(ds:)0
-3792 y Fl(b64_encode\(\))208 3891 y Fq(Return)h(a)g(base64-enco)r(ded)f
+4748 y Fl(b64_encode\(\))208 4848 y Fq(Return)h(a)g(base64-enco)r(ded)f
 (string)h(represen)n(tation)e(of)j(the)g(ob)5 b(ject.)0
-4038 y Fl(get_pubkey\(\))208 4138 y Fq(Return)27 b(the)h(public)g(k)n
-(ey)f(of)h(ob)5 b(ject.)0 4285 y Fl(set_pubkey\()p Fc(key)i
-Fl(\))208 4384 y Fq(Set)28 b(the)f(public)h(k)n(ey)f(of)h(the)g(ob)5
-b(ject)27 b(to)h Fc(key)7 b Fq(.)0 4531 y Fl(sign\()p
-Fc(key,)29 b(digest_name)6 b Fl(\))208 4631 y Fq(Sign)27
-b(the)h(Netscap)r(eSPKI)g(ob)5 b(ject)27 b(using)g(the)h(giv)n(en)f
-Fc(key)35 b Fq(and)28 b Fc(digest_name)6 b Fq(.)0 4778
-y Fl(verify\()p Fc(key)h Fl(\))208 4877 y Fq(V)-7 b(erify)27
-b(the)h(Netscap)r(eSPKI)g(ob)5 b(ject)27 b(using)g(the)h(giv)n(en)f
-Fc(key)7 b Fq(.)0 5157 y Fj(3.2)97 b Fd(rand)34 b Fj(\026)e(An)h
-(interface)g(to)g(the)g(Op)s(enSSL)f(pseudo)h(random)g(numb)s(er)g
-(generato)m(r)0 5357 y Fq(This)28 b(mo)r(dule)f(handles)h(the)f(Op)r
-(enSSL)h(pseudo)f(random)g(n)n(um)n(b)r(er)g(generator)f(\(PRNG\))j
-(and)e(declares)f(the)i(follo)n(wing:)p 0 5549 3901 4
-v 0 5649 a Ff(8)2239 b(3)83 b Fl(OpenSSL)24 b Ff(\026)k(Python)f
-(interface)h(to)f(Op)r(enSSL)p eop end
+4995 y Fl(get_pubkey\(\))208 5094 y Fq(Return)27 b(the)h(public)g(k)n
+(ey)f(of)h(ob)5 b(ject.)0 5241 y Fl(set_pubkey\()p Fc(key)i
+Fl(\))208 5341 y Fq(Set)28 b(the)f(public)h(k)n(ey)f(of)h(the)g(ob)5
+b(ject)27 b(to)h Fc(key)7 b Fq(.)p 0 5549 3901 4 v 0
+5649 a Ff(8)2239 b(3)83 b Fl(OpenSSL)24 b Ff(\026)k(Python)f(interface)
+h(to)f(Op)r(enSSL)p eop end
 %%Page: 9 9
-TeXDict begin 9 8 bop 0 83 a Fl(add\()p Fc(string,)28
-b(entr)l(opy)7 b Fl(\))208 183 y Fq(Mix)22 b(b)n(ytes)g(from)g
-Fc(string)30 b Fq(in)n(to)22 b(the)h(PRNG)h(state.)35
-b(The)22 b Fc(entr)l(opy)30 b Fq(argumen)n(t)22 b(is)g(\(the)h(lo)n(w)n
-(er)e(b)r(ound)i(of)6 b(\))23 b(an)f(estimate)208 282
-y(of)f(ho)n(w)g(m)n(uc)n(h)h(randomness)e(is)h(con)n(tained)g(in)h
-Fc(string)7 b Fq(,)23 b(measured)e(in)h(b)n(ytes.)34
-b(F)-7 b(or)21 b(more)g(information,)h(see)g(e.g.)34
-b(RF)n(C)208 382 y(1750.)0 529 y Fl(egd\()p Fc(p)l(ath)6
-b Fb([)p Fc(,)29 b(bytes)19 b Fb(])p Fl(\))208 628 y
-Fq(Query)29 b(the)j(En)n(trop)n(y)e(Gathering)g(Daemon)1629
-598 y Fk(2)1697 628 y Fq(on)h(so)r(c)n(k)n(et)f Fc(p)l(ath)38
-b Fq(for)30 b Fc(bytes)38 b Fq(b)n(ytes)31 b(of)g(random)f(data)g(and)h
-(and)g(uses)208 728 y Fl(add)26 b Fq(to)h(seed)h(the)g(PRNG.)g(The)g
-(default)g(v)-5 b(alue)27 b(of)34 b Fc(bytes)h Fq(is)27
-b(255.)0 889 y Fl(load_file\()p Fc(p)l(ath)6 b Fb([)p
-Fc(,)26 b(bytes)19 b Fb(])p Fl(\))208 989 y Fq(Read)29
-b Fc(bytes)38 b Fq(b)n(ytes)30 b(\(or)f(all)h(of)g(it,)i(if)37
-b Fc(bytes)g Fq(is)31 b(negativ)n(e\))e(of)h(data)g(from)g(the)g
-(\034le)h Fc(p)l(ath)37 b Fq(to)30 b(seed)g(the)h(PRNG.)g(The)208
-1089 y(default)d(v)-5 b(alue)27 b(of)34 b Fc(bytes)h
-Fq(is)27 b(-1.)0 1235 y Fl(screen\(\))208 1335 y Fq(A)n(dd)g(the)h
+TeXDict begin 9 8 bop 0 83 a Fl(sign\()p Fc(key,)29 b(digest_name)6
+b Fl(\))208 183 y Fq(Sign)30 b(the)h(Netscap)r(eSPKI)f(ob)5
+b(ject)30 b(using)g(the)h(giv)n(en)f Fc(key)38 b Fq(and)31
+b Fc(digest_name)6 b Fq(.)46 b Fc(digest_name)37 b Fq(m)n(ust)31
+b(b)r(e)g(a)f(string)208 282 y(describing)e(a)i(digest)f(algorithm)f
+(supp)r(orted)i(b)n(y)f(Op)r(enSSL)h(\(b)n(y)g(EVP_get_digestb)n
+(yname,)f(sp)r(eci\034cally\).)43 b(F)-7 b(or)208 382
+y(example,)27 b Fl("md5")e Fq(or)i Fl("sha1")p Fq(.)0
+529 y Fl(verify\()p Fc(key)7 b Fl(\))208 628 y Fq(V)-7
+b(erify)27 b(the)h(Netscap)r(eSPKI)g(ob)5 b(ject)27 b(using)g(the)h
+(giv)n(en)f Fc(key)7 b Fq(.)0 906 y Fj(3.2)97 b Fd(rand)34
+b Fj(\026)e(An)h(interface)g(to)g(the)g(Op)s(enSSL)f(pseudo)h(random)g
+(numb)s(er)g(generato)m(r)0 1106 y Fq(This)28 b(mo)r(dule)f(handles)h
+(the)f(Op)r(enSSL)h(pseudo)f(random)g(n)n(um)n(b)r(er)g(generator)f
+(\(PRNG\))j(and)e(declares)f(the)i(follo)n(wing:)0 1253
+y Fl(add\()p Fc(string,)g(entr)l(opy)7 b Fl(\))208 1353
+y Fq(Mix)22 b(b)n(ytes)g(from)g Fc(string)30 b Fq(in)n(to)22
+b(the)h(PRNG)h(state.)35 b(The)22 b Fc(entr)l(opy)30
+b Fq(argumen)n(t)22 b(is)g(\(the)h(lo)n(w)n(er)e(b)r(ound)i(of)6
+b(\))23 b(an)f(estimate)208 1452 y(of)f(ho)n(w)g(m)n(uc)n(h)h
+(randomness)e(is)h(con)n(tained)g(in)h Fc(string)7 b
+Fq(,)23 b(measured)e(in)h(b)n(ytes.)34 b(F)-7 b(or)21
+b(more)g(information,)h(see)g(e.g.)34 b(RF)n(C)208 1552
+y(1750.)0 1699 y Fl(egd\()p Fc(p)l(ath)6 b Fb([)p Fc(,)29
+b(bytes)19 b Fb(])p Fl(\))208 1798 y Fq(Query)29 b(the)j(En)n(trop)n(y)
+e(Gathering)g(Daemon)1629 1768 y Fk(2)1697 1798 y Fq(on)h(so)r(c)n(k)n
+(et)f Fc(p)l(ath)38 b Fq(for)30 b Fc(bytes)38 b Fq(b)n(ytes)31
+b(of)g(random)f(data)g(and)h(and)g(uses)208 1898 y Fl(add)26
+b Fq(to)h(seed)h(the)g(PRNG.)g(The)g(default)g(v)-5 b(alue)27
+b(of)34 b Fc(bytes)h Fq(is)27 b(255.)0 2059 y Fl(load_file\()p
+Fc(p)l(ath)6 b Fb([)p Fc(,)26 b(bytes)19 b Fb(])p Fl(\))208
+2159 y Fq(Read)29 b Fc(bytes)38 b Fq(b)n(ytes)30 b(\(or)f(all)h(of)g
+(it,)i(if)37 b Fc(bytes)g Fq(is)31 b(negativ)n(e\))e(of)h(data)g(from)g
+(the)g(\034le)h Fc(p)l(ath)37 b Fq(to)30 b(seed)g(the)h(PRNG.)g(The)208
+2259 y(default)d(v)-5 b(alue)27 b(of)34 b Fc(bytes)h
+Fq(is)27 b(-1.)0 2405 y Fl(screen\(\))208 2505 y Fq(A)n(dd)g(the)h
 (curren)n(t)f(con)n(ten)n(ts)g(of)g(the)h(screen)f(to)g(the)h(PRNG)h
 (state.)37 b(A)-9 b(v)k(ailabilit)n(y:)36 b(Windo)n(ws.)0
-1482 y Fl(seed\()p Fc(string)7 b Fl(\))208 1582 y Fq(This)27
+2652 y Fl(seed\()p Fc(string)7 b Fl(\))208 2752 y Fq(This)27
 b(is)h(equiv)-5 b(alen)n(t)27 b(to)g(calling)h Fl(add)f
 Fq(with)h Fc(entr)l(opy)35 b Fq(as)27 b(the)h(length)f(of)h(the)g
-(string.)0 1728 y Fl(status\(\))208 1828 y Fq(Returns)f(true)g(if)i
+(string.)0 2898 y Fl(status\(\))208 2998 y Fq(Returns)f(true)g(if)i
 (the)e(PRNG)i(has)e(b)r(een)h(seeded)f(with)h(enough)f(data,)g(and)h
-(false)f(otherwise.)0 1975 y Fl(write_file\()p Fc(p)l(ath)6
-b Fl(\))208 2075 y Fq(W)-7 b(rite)34 b(a)g(n)n(um)n(b)r(er)g(of)h
+(false)f(otherwise.)0 3145 y Fl(write_file\()p Fc(p)l(ath)6
+b Fl(\))208 3245 y Fq(W)-7 b(rite)34 b(a)g(n)n(um)n(b)r(er)g(of)h
 (random)e(b)n(ytes)h(\(curren)n(tly)g(1024\))f(to)h(the)h(\034le)f
 Fc(p)l(ath)6 b Fq(.)59 b(This)34 b(\034le)h(can)f(then)g(b)r(e)h(used)g
-(with)208 2174 y Fl(load_file)23 b Fq(to)28 b(seed)f(the)h(PRNG)h
-(again.)0 2454 y Fj(3.3)97 b Fd(SSL)33 b Fj(\026)f(An)h(interface)h(to)
+(with)208 3344 y Fl(load_file)23 b Fq(to)28 b(seed)f(the)h(PRNG)h
+(again.)0 3621 y Fj(3.3)97 b Fd(SSL)33 b Fj(\026)f(An)h(interface)h(to)
 e(the)h(SSL-sp)s(eci\034c)h(pa)m(rts)f(of)f(Op)s(enSSL)0
-2654 y Fq(This)c(mo)r(dule)f(handles)h(things)f(sp)r(eci\034c)h(to)f
+3822 y Fq(This)c(mo)r(dule)f(handles)h(things)f(sp)r(eci\034c)h(to)f
 (SSL.)h(There)f(are)f(t)n(w)n(o)h(ob)5 b(jects)27 b(de\034ned:)38
-b(Con)n(text,)27 b(Connection.)0 2801 y Fl(SSLv2_METHOD)0
-2901 y(SSLv3_METHOD)0 3000 y(SSLv23_METHOD)0 3100 y(TLSv1_METHOD)208
-3200 y Fq(These)g(constan)n(ts)f(represen)n(t)h(the)h(di\033eren)n(t)f
+b(Con)n(text,)27 b(Connection.)0 3969 y Fl(SSLv2_METHOD)0
+4068 y(SSLv3_METHOD)0 4168 y(SSLv23_METHOD)0 4268 y(TLSv1_METHOD)208
+4367 y Fq(These)g(constan)n(ts)f(represen)n(t)h(the)h(di\033eren)n(t)f
 (SSL)h(metho)r(ds)g(to)f(use)h(when)f(creating)g(a)g(con)n(text)g(ob)5
-b(ject.)0 3346 y Fl(VERIFY_NONE)0 3446 y(VERIFY_PEER)0
-3546 y(VERIFY_FAIL_IF_N)o(O_)o(PEE)o(R_)o(CE)o(RT)208
-3645 y Fq(These)27 b(constan)n(ts)f(represen)n(t)h(the)h(v)n
+b(ject.)0 4514 y Fl(VERIFY_NONE)0 4614 y(VERIFY_PEER)0
+4713 y(VERIFY_FAIL_IF_N)o(O_)o(PEE)o(R_)o(CE)o(RT)208
+4813 y Fq(These)27 b(constan)n(ts)f(represen)n(t)h(the)h(v)n
 (eri\034cation)e(mo)r(de)h(used)h(b)n(y)f(the)h(Con)n(text)f(ob)5
-b(ject's)27 b Fl(set_verify)d Fq(metho)r(d.)0 3792 y
-Fl(FILETYPE_PEM)0 3892 y(FILETYPE_ASN1)208 3991 y Fq(File)41
+b(ject's)27 b Fl(set_verify)d Fq(metho)r(d.)0 4960 y
+Fl(FILETYPE_PEM)0 5060 y(FILETYPE_ASN1)208 5159 y Fq(File)41
 b(t)n(yp)r(e)g(constan)n(ts)f(used)h(with)g(the)h Fl(use_certificate)o
 (_f)o(ile)34 b Fq(and)41 b Fl(use_privatekey_f)o(il)o(e)35
-b Fq(metho)r(ds)41 b(of)208 4091 y(Con)n(text)27 b(ob)5
-b(jects.)0 4238 y Fl(OP_SINGLE_DH_USE)0 4338 y(OP_EPHEMERAL_RSA)0
-4437 y(OP_NO_SSLv2)0 4537 y(OP_NO_SSLv3)0 4636 y(OP_NO_TLSv1)208
-4736 y Fq(Constan)n(ts)30 b(used)i(with)g Fl(set_options)26
-b Fq(of)32 b(Con)n(text)f(ob)5 b(jects.)48 b Fl(OP_SINGLE_DH_USE)25
-b Fq(means)31 b(to)g(alw)n(a)n(ys)f(create)g(a)208 4836
-y(new)19 b(k)n(ey)f(when)h(using)g(ephemeral)f(Di\036e-Hellman.)34
-b Fl(OP_EPHEMERAL_RSA)13 b Fq(means)18 b(to)h(alw)n(a)n(ys)e(use)i
-(ephemeral)g(RSA)208 4935 y(k)n(eys)f(when)h(doing)f(RSA)i(op)r
-(erations.)33 b Fl(OP_NO_SSLv2)p Fq(,)16 b Fl(OP_NO_SSLv3)f
-Fq(and)k Fl(OP_NO_TLSv1)14 b Fq(means)19 b(to)g(disable)f(those)208
-5035 y(sp)r(eci\034c)29 b(proto)r(cols.)39 b(This)29
-b(is)g(in)n(teresting)g(if)g(y)n(ou're)f(using)g(e.g.)41
-b Fl(SSLv23_METHOD)24 b Fq(to)29 b(get)g(an)f(SSLv2-compatible)208
-5135 y(handshak)n(e,)e(but)i(don't)g(w)n(an)n(t)f(to)g(use)h(SSLv2.)p
-0 5204 1560 4 v 92 5258 a Fh(2)127 5281 y Fg(See)c Fp(http://www.lotha)
-n(r.com/tech/crypto/)p 0 5549 3901 4 v 0 5649 a Ff(3.3)82
-b Fl(SSL)26 b Ff(\026)i(An)g(interface)g(to)f(the)g(SSL-sp)r(eci\034c)h
-(pa)n(rts)f(of)h(Op)r(enSSL)1652 b(9)p eop end
+b Fq(metho)r(ds)41 b(of)208 5259 y(Con)n(text)27 b(ob)5
+b(jects.)p 0 5323 1560 4 v 92 5377 a Fh(2)127 5400 y
+Fg(See)24 b Fp(http://www.lotha)n(r.com/tech/crypto/)p
+0 5549 3901 4 v 0 5649 a Ff(3.2)82 b Fl(rand)26 b Ff(\026)i(An)g
+(interface)f(to)g(the)h(Op)r(enSSL)g(pseudo)e(random)h(numb)r(er)h
+(generato)n(r)1148 b(9)p eop end
 %%Page: 10 10
-TeXDict begin 10 9 bop 0 83 a Fl(ContextType)208 183
-y Fq(A)27 b(Python)h(t)n(yp)r(e)g(ob)5 b(ject)28 b(represen)n(ting)d
-(the)j(Con)n(text)g(ob)5 b(ject)27 b(t)n(yp)r(e.)0 330
-y Fl(Context\()p Fc(metho)l(d)9 b Fl(\))208 429 y Fq(F)-7
-b(actory)34 b(function)i(that)g(creates)f(a)g(new)h(Con)n(text)f(ob)5
-b(ject)36 b(giv)n(en)e(an)i(SSL)g(metho)r(d.)61 b(The)36
-b(metho)r(d)g(should)g(b)r(e)208 529 y Fl(SSLv2_METHOD)p
+TeXDict begin 10 9 bop 0 83 a Fl(OP_SINGLE_DH_USE)0 183
+y(OP_EPHEMERAL_RSA)0 282 y(OP_NO_SSLv2)0 382 y(OP_NO_SSLv3)0
+482 y(OP_NO_TLSv1)208 581 y Fq(Constan)n(ts)30 b(used)i(with)g
+Fl(set_options)26 b Fq(of)32 b(Con)n(text)f(ob)5 b(jects.)48
+b Fl(OP_SINGLE_DH_USE)25 b Fq(means)31 b(to)g(alw)n(a)n(ys)f(create)g
+(a)208 681 y(new)19 b(k)n(ey)f(when)h(using)g(ephemeral)f
+(Di\036e-Hellman.)34 b Fl(OP_EPHEMERAL_RSA)13 b Fq(means)18
+b(to)h(alw)n(a)n(ys)e(use)i(ephemeral)g(RSA)208 780 y(k)n(eys)f(when)h
+(doing)f(RSA)i(op)r(erations.)33 b Fl(OP_NO_SSLv2)p Fq(,)16
+b Fl(OP_NO_SSLv3)f Fq(and)k Fl(OP_NO_TLSv1)14 b Fq(means)19
+b(to)g(disable)f(those)208 880 y(sp)r(eci\034c)29 b(proto)r(cols.)39
+b(This)29 b(is)g(in)n(teresting)g(if)g(y)n(ou're)f(using)g(e.g.)41
+b Fl(SSLv23_METHOD)24 b Fq(to)29 b(get)g(an)f(SSLv2-compatible)208
+980 y(handshak)n(e,)e(but)i(don't)g(w)n(an)n(t)f(to)g(use)h(SSLv2.)0
+1127 y Fl(ContextType)208 1226 y Fq(A)f(Python)h(t)n(yp)r(e)g(ob)5
+b(ject)28 b(represen)n(ting)d(the)j(Con)n(text)g(ob)5
+b(ject)27 b(t)n(yp)r(e.)0 1373 y Fl(Context\()p Fc(metho)l(d)9
+b Fl(\))208 1473 y Fq(F)-7 b(actory)34 b(function)i(that)g(creates)f(a)
+g(new)h(Con)n(text)f(ob)5 b(ject)36 b(giv)n(en)e(an)i(SSL)g(metho)r(d.)
+61 b(The)36 b(metho)r(d)g(should)g(b)r(e)208 1572 y Fl(SSLv2_METHOD)p
 Fq(,)22 b Fl(SSLv3_METHOD)p Fq(,)h Fl(SSLv23_METHOD)f
-Fq(or)27 b Fl(TLSv1_METHOD)p Fq(.)0 676 y Fl(ConnectionType)208
-775 y Fq(A)g(Python)h(t)n(yp)r(e)g(ob)5 b(ject)28 b(represen)n(ting)d
-(the)j(Connection)f(ob)5 b(ject)28 b(t)n(yp)r(e.)0 922
+Fq(or)27 b Fl(TLSv1_METHOD)p Fq(.)0 1719 y Fl(ConnectionType)208
+1819 y Fq(A)g(Python)h(t)n(yp)r(e)g(ob)5 b(ject)28 b(represen)n(ting)d
+(the)j(Connection)f(ob)5 b(ject)28 b(t)n(yp)r(e.)0 1966
 y Fl(Connection\()p Fc(c)l(ontext,)c(so)l(cket)8 b Fl(\))208
-1022 y Fq(F)-7 b(actory)26 b(fucnction)i(that)g(creates)e(a)h(new)h
+2065 y Fq(F)-7 b(actory)26 b(fucnction)i(that)g(creates)e(a)h(new)h
 (Connection)f(ob)5 b(ject)27 b(giv)n(en)g(an)g(SSL)h(con)n(text)f(and)h
-(a)f(so)r(c)n(k)n(et)3538 992 y Fk(3)3603 1022 y Fq(ob)5
-b(ject.)0 1169 y Fm(exception)32 b Fl(Error)208 1268
+(a)f(so)r(c)n(k)n(et)3538 2035 y Fk(3)3603 2065 y Fq(ob)5
+b(ject.)0 2212 y Fm(exception)32 b Fl(Error)208 2312
 y Fq(This)i(exception)g(is)h(used)f(as)g(a)h(base)e(class)h(for)g(the)h
 (other)f(SSL-related)g(exceptions,)i(but)f(ma)n(y)f(also)f(b)r(e)i
-(raised)208 1368 y(directly)-7 b(.)208 1501 y(Whenev)n(er)36
+(raised)208 2411 y(directly)-7 b(.)208 2544 y(Whenev)n(er)36
 b(this)h(exception)g(is)g(raised)f(directly)-7 b(,)40
 b(it)d(has)g(a)f(list)i(of)f(error)e(messages)g(from)i(the)h(Op)r
-(enSSL)f(error)208 1600 y(queue,)k(where)d(eac)n(h)f(item)i(is)g(a)f
+(enSSL)f(error)208 2644 y(queue,)k(where)d(eac)n(h)f(item)i(is)g(a)f
 (tuple)h Fl(\()p Fc(lib)5 b Fl(,)44 b Fc(function)6 b
 Fl(,)43 b Fc(r)l(e)l(ason)6 b Fl(\))p Fq(.)70 b(Here)38
 b Fc(lib)5 b Fq(,)43 b Fc(function)h Fq(and)39 b Fc(r)l(e)l(ason)45
-b Fq(are)37 b(all)208 1700 y(strings,)26 b(describing)h(where)g(and)g
+b Fq(are)37 b(all)208 2743 y(strings,)26 b(describing)h(where)g(and)g
 (what)h(the)g(problem)f(is.)36 b(See)28 b Fc(err)p Fq(\(3\))g(for)f
-(more)g(information.)0 1847 y Fm(exception)32 b Fl(ZeroReturnError)208
-1946 y Fq(This)g(exception)g(matc)n(hes)g(the)h(error)d(return)i(co)r
+(more)g(information.)0 2890 y Fm(exception)32 b Fl(ZeroReturnError)208
+2990 y Fq(This)g(exception)g(matc)n(hes)g(the)h(error)d(return)i(co)r
 (de)h Fl(SSL_ERROR_ZERO_)o(RE)o(TUR)o(N)p Fq(,)26 b(and)33
-b(is)f(raised)f(when)i(the)g(SSL)208 2046 y(Connection)c(has)g(b)r(een)
+b(is)f(raised)f(when)i(the)g(SSL)208 3090 y(Connection)c(has)g(b)r(een)
 h(closed.)43 b(In)29 b(SSL)h(3.0)f(and)h(TLS)g(1.0,)f(this)h(only)f(o)r
 (ccurs)g(if)h(a)g(closure)e(alert)h(has)g(o)r(ccurred)208
-2146 y(in)g(the)g(proto)r(col,)f(i.e.)41 b(the)29 b(connection)f(has)g
+3189 y(in)g(the)g(proto)r(col,)f(i.e.)41 b(the)29 b(connection)f(has)g
 (b)r(een)i(closed)e(cleanly)-7 b(.)40 b(Note)29 b(that)g(this)g(do)r
-(es)f(not)h(necessarily)e(mean)208 2245 y(that)g(the)h(transp)r(ort)f
+(es)f(not)h(necessarily)e(mean)208 3289 y(that)g(the)h(transp)r(ort)f
 (la)n(y)n(er)f(\(e.g.)36 b(a)28 b(so)r(c)n(k)n(et\))e(has)h(b)r(een)h
-(closed.)208 2378 y(It)k(ma)n(y)f(seem)h(a)f(little)i(strange)e(that)h
+(closed.)208 3422 y(It)k(ma)n(y)f(seem)h(a)f(little)i(strange)e(that)h
 (this)g(is)g(an)g(exception,)g(but)h(it)f(do)r(es)g(matc)n(h)g(an)f
-Fl(SSL_ERROR)e Fq(co)r(de,)j(and)g(is)208 2478 y(v)n(ery)26
-b(con)n(v)n(enien)n(t.)0 2625 y Fm(exception)32 b Fl(WantReadError)208
-2724 y Fq(The)i(op)r(eration)e(did)j(not)f(complete;)j(the)d(same)g
+Fl(SSL_ERROR)e Fq(co)r(de,)j(and)g(is)208 3521 y(v)n(ery)26
+b(con)n(v)n(enien)n(t.)0 3668 y Fm(exception)32 b Fl(WantReadError)208
+3768 y Fq(The)i(op)r(eration)e(did)j(not)f(complete;)j(the)d(same)g
 (I/O)f(metho)r(d)h(should)g(b)r(e)g(called)g(again)f(later,)i(with)f
-(the)h(same)208 2824 y(argumen)n(ts.)g(An)n(y)28 b(I/O)e(metho)r(d)i
+(the)h(same)208 3867 y(argumen)n(ts.)g(An)n(y)28 b(I/O)e(metho)r(d)i
 (can)f(lead)h(to)f(this)h(since)f(new)h(handshak)n(es)e(can)h(o)r(ccur)
-g(at)g(an)n(y)g(time.)0 2971 y Fm(exception)32 b Fl(WantWriteError)208
-3070 y Fq(See)27 b Fl(WantReadError)p Fq(.)0 3217 y Fm(exception)32
-b Fl(WantX509LookupE)o(rr)o(or)208 3317 y Fq(The)24 b(op)r(eration)g
+g(at)g(an)n(y)g(time.)0 4014 y Fm(exception)32 b Fl(WantWriteError)208
+4114 y Fq(See)27 b Fl(WantReadError)p Fq(.)0 4261 y Fm(exception)32
+b Fl(WantX509LookupE)o(rr)o(or)208 4360 y Fq(The)24 b(op)r(eration)g
 (did)h(not)g(complete)f(b)r(ecause)g(an)h(application)f(callbac)n(k)f
 (has)h(ask)n(ed)g(to)g(b)r(e)h(called)g(again.)34 b(The)25
-b(I/O)208 3417 y(metho)r(d)f(should)h(b)r(e)f(called)g(again)g(later,)g
+b(I/O)208 4460 y(metho)r(d)f(should)h(b)r(e)f(called)g(again)g(later,)g
 (with)h(the)g(same)e(argumen)n(ts.)35 b(Note:)g(This)24
-b(w)n(on't)h(o)r(ccur)e(in)i(this)g(v)n(ersion,)208 3516
+b(w)n(on't)h(o)r(ccur)e(in)i(this)g(v)n(ersion,)208 4560
 y(as)h(there)i(are)e(no)i(suc)n(h)f(callbac)n(ks)f(in)i(this)f(v)n
-(ersion.)0 3663 y Fm(exception)32 b Fl(SysCallError)208
-3763 y Fq(The)25 b Fl(SysCallError)20 b Fq(o)r(ccurs)k(when)i(there's)e
+(ersion.)0 4707 y Fm(exception)32 b Fl(SysCallError)208
+4806 y Fq(The)25 b Fl(SysCallError)20 b Fq(o)r(ccurs)k(when)i(there's)e
 (an)h(I/O)g(error)e(and)i(Op)r(enSSL's)g(error)e(queue)i(do)r(es)g(not)
-g(con)n(tain)g(an)n(y)208 3862 y(information.)59 b(This)36
+g(con)n(tain)g(an)n(y)208 4906 y(information.)59 b(This)36
 b(can)f(mean)g(t)n(w)n(o)g(things:)52 b(An)36 b(error)d(in)j(the)g
 (transp)r(ort)e(proto)r(col,)i(or)f(an)g(end)h(of)f(\034le)h(that)208
-3962 y(violates)26 b(the)i(proto)r(col.)36 b(The)27 b(parameter)f(to)i
+5005 y(violates)26 b(the)i(proto)r(col.)36 b(The)27 b(parameter)f(to)i
 (the)g(exception)f(is)g(alw)n(a)n(ys)f(a)h(pair)g Fl(\()p
-Fc(errnum)6 b Fl(,)42 b Fc(errstr)9 b Fl(\))p Fq(.)0
-4225 y Ff(Context)27 b(objects)0 4425 y Fq(Con)n(text)g(ob)5
-b(jects)27 b(ha)n(v)n(e)g(the)h(follo)n(wing)e(metho)r(ds:)0
-4572 y Fl(check_privatekey)o(\(\))208 4689 y Fq(Chec)n(k)k(if)i(the)g
-(priv)-5 b(ate)31 b(k)n(ey)f(\(loaded)h(with)h Fl(use_privatekey)p
-Fb([)p Fl(_)o(fi)o(le)11 b Fb(])p Fq(\))26 b(matc)n(hes)k(the)i
-(certi\034cate)f(\(loaded)g(with)208 4816 y Fl(use_certificate)o
-Fb([)p Fl(_)o(fil)o(e)11 b Fb(])p Fq(\).)31 b(Returns)d
-Fl(None)e Fq(if)i(they)f(matc)n(h,)h(raises)e Fl(Error)g
-Fq(otherwise.)0 4963 y Fl(get_app_data\(\))208 5063 y
-Fq(Retriev)n(e)g(application)h(data)g(as)g(set)h(b)n(y)g
-Fl(set_app_data)p Fq(.)p 0 5134 1560 4 v 92 5188 a Fh(3)127
-5211 y Fg(A)n(ctually)-6 b(,)25 b(all)e(that)j(is)d(required)j(is)e(an)
-g(ob)t(ject)h(that)h Fa(b)l(ehaves)e Fg(lik)n(e)g(a)h(so)r(c)n(k)n(et,)
-g(y)n(ou)g(could)g(ev)n(en)g(use)f(\034les,)g(ev)n(en)i(though)f(it'd)f
-(b)r(e)h(tric)n(ky)g(to)0 5290 y(get)g(the)f(handshak)n(es)h(righ)n(t!)
-p 0 5549 3901 4 v 0 5649 a Ff(10)2197 b(3)83 b Fl(OpenSSL)24
+Fc(errnum)6 b Fl(,)42 b Fc(errstr)9 b Fl(\))p Fq(.)p
+0 5075 1560 4 v 92 5128 a Fh(3)127 5152 y Fg(A)n(ctually)-6
+b(,)25 b(all)e(that)j(is)d(required)j(is)e(an)g(ob)t(ject)h(that)h
+Fa(b)l(ehaves)e Fg(lik)n(e)g(a)h(so)r(c)n(k)n(et,)g(y)n(ou)g(could)g
+(ev)n(en)g(use)f(\034les,)g(ev)n(en)i(though)f(it'd)f(b)r(e)h(tric)n
+(ky)g(to)0 5231 y(get)g(the)f(handshak)n(es)h(righ)n(t!)p
+0 5549 3901 4 v 0 5649 a Ff(10)2197 b(3)83 b Fl(OpenSSL)24
 b Ff(\026)k(Python)f(interface)h(to)f(Op)r(enSSL)p eop
 end
 %%Page: 11 11
-TeXDict begin 11 10 bop 0 83 a Fl(get_cert_store\(\))208
-183 y Fq(Retriev)n(e)34 b(the)i(certi\034cate)f(store)f(\(a)h
+TeXDict begin 11 10 bop 0 83 a Ff(Context)27 b(objects)0
+283 y Fq(Con)n(text)g(ob)5 b(jects)27 b(ha)n(v)n(e)g(the)h(follo)n
+(wing)e(metho)r(ds:)0 430 y Fl(check_privatekey)o(\(\))208
+547 y Fq(Chec)n(k)k(if)i(the)g(priv)-5 b(ate)31 b(k)n(ey)f(\(loaded)h
+(with)h Fl(use_privatekey)p Fb([)p Fl(_)o(fi)o(le)11
+b Fb(])p Fq(\))26 b(matc)n(hes)k(the)i(certi\034cate)f(\(loaded)g(with)
+208 674 y Fl(use_certificate)o Fb([)p Fl(_)o(fil)o(e)11
+b Fb(])p Fq(\).)31 b(Returns)d Fl(None)e Fq(if)i(they)f(matc)n(h,)h
+(raises)e Fl(Error)g Fq(otherwise.)0 821 y Fl(get_app_data\(\))208
+921 y Fq(Retriev)n(e)g(application)h(data)g(as)g(set)h(b)n(y)g
+Fl(set_app_data)p Fq(.)0 1068 y Fl(get_cert_store\(\))208
+1167 y Fq(Retriev)n(e)34 b(the)i(certi\034cate)f(store)f(\(a)h
 (X509Store)f(ob)5 b(ject\))35 b(that)h(the)f(con)n(text)g(uses.)60
-b(This)35 b(can)g(b)r(e)h(used)f(to)g(add)208 282 y("trusted")26
+b(This)35 b(can)g(b)r(e)h(used)f(to)g(add)208 1267 y("trusted")26
 b(certi\034cates)h(without)h(using)f(the.)37 b Fl(load_verify_loca)o
-(tio)o(ns)o(\(\))21 b Fq(metho)r(d.)0 429 y Fl(get_timeout\(\))208
-529 y Fq(Retriev)n(e)26 b(session)h(timeout,)h(as)f(set)g(b)n(y)i
+(tio)o(ns)o(\(\))21 b Fq(metho)r(d.)0 1414 y Fl(get_timeout\(\))208
+1513 y Fq(Retriev)n(e)26 b(session)h(timeout,)h(as)f(set)g(b)n(y)i
 Fl(set_timeout)p Fq(.)j(The)c(default)g(is)f(300)f(seconds.)0
-676 y Fl(get_verify_depth)o(\(\))208 775 y Fq(Retriev)n(e)g(the)i(Con)n
-(text)f(ob)5 b(ject's)28 b(v)n(erify)e(depth,)j(as)d(set)i(b)n(y)g
-Fl(set_verify_depth)p Fq(.)0 922 y Fl(get_verify_mode\()o(\))208
-1022 y Fq(Retriev)n(e)e(the)i(Con)n(text)f(ob)5 b(ject's)28
-b(v)n(erify)e(mo)r(de,)i(as)f(set)h(b)n(y)g Fl(set_verify_mode)p
-Fq(.)0 1169 y Fl(load_client_ca\()p Fc(p)l(em\034le)6
-b Fl(\))208 1268 y Fq(Read)33 b(a)g(\034le)h(with)g(PEM-formatted)g
+1660 y Fl(get_verify_depth)o(\(\))208 1760 y Fq(Retriev)n(e)g(the)i
+(Con)n(text)f(ob)5 b(ject's)28 b(v)n(erify)e(depth,)j(as)d(set)i(b)n(y)
+g Fl(set_verify_depth)p Fq(.)0 1907 y Fl(get_verify_mode\()o(\))208
+2006 y Fq(Retriev)n(e)e(the)i(Con)n(text)f(ob)5 b(ject's)28
+b(v)n(erify)e(mo)r(de,)i(as)f(set)h(b)n(y)g Fl(set_verify)p
+Fq(.)0 2153 y Fl(load_client_ca\()p Fc(p)l(em\034le)6
+b Fl(\))208 2253 y Fq(Read)33 b(a)g(\034le)h(with)g(PEM-formatted)g
 (certi\034cates)f(that)h(will)g(b)r(e)g(sen)n(t)f(to)h(the)g(clien)n(t)
-f(when)h(requesting)f(a)g(clien)n(t)208 1368 y(certi\034cate.)0
-1515 y Fl(load_verify_loca)o(ti)o(ons)o(\()p Fc(p)l(em\034le)6
-b Fl(\))208 1614 y Fq(Sp)r(ecify)24 b(where)f(CA)g(certi\034cates)g
-(for)g(v)n(eri\034cation)f(purp)r(oses)h(are)f(lo)r(cated.)35
-b(These)23 b(are)g(trusted)g(certi\034cates.)35 b(Note)208
-1714 y(that)27 b(the)h(certi\034cates)f(ha)n(v)n(e)f(to)i(b)r(e)g(in)g
-(PEM)g(format.)0 1861 y Fl(load_tmp_dh\()p Fc(dh\034le)6
-b Fl(\))208 1961 y Fq(Load)26 b(parameters)g(for)h(Ephemeral)g
-(Di\036e-Hellman)h(from)g Fc(dh\034le)6 b Fq(.)0 2107
-y Fl(set_app_data\()p Fc(data)g Fl(\))208 2207 y Fq(Asso)r(ciate)25
-b Fc(data)33 b Fq(with)27 b(this)f(Con)n(text)f(ob)5
-b(ject.)36 b Fc(data)e Fq(can)25 b(b)r(e)i(retriev)n(ed)d(later)i
-(using)f(the)i Fl(get_app_data)21 b Fq(metho)r(d.)0 2354
-y Fl(set_cipher_list\()o Fc(ciphers)7 b Fl(\))208 2454
-y Fq(Set)28 b(the)g(list)h(of)f(ciphers)f(to)h(b)r(e)g(used)g(in)g
-(this)h(con)n(text.)37 b(See)28 b(the)h(Op)r(enSSL)f(man)n(ual)f(for)h
-(more)f(information)g(\(e.g.)208 2553 y(ciphers\(1\)\))0
-2700 y Fl(set_info_callbac)o(k\()o Fc(c)l(al)t(lb)l(ack)9
-b Fl(\))208 2800 y Fq(Set)33 b(the)f(information)g(callbac)n(k)f(to)i
+f(when)h(requesting)f(a)g(clien)n(t)208 2353 y(certi\034cate.)0
+2499 y Fl(load_verify_loca)o(ti)o(ons)o(\()p Fc(p)l(em\034le,)24
+b(c)l(ap)l(ath)6 b Fl(\))208 2599 y Fq(Sp)r(ecify)24
+b(where)f(CA)g(certi\034cates)g(for)g(v)n(eri\034cation)f(purp)r(oses)h
+(are)f(lo)r(cated.)35 b(These)23 b(are)g(trusted)g(certi\034cates.)35
+b(Note)208 2699 y(that)c(the)g(certi\034cates)f(ha)n(v)n(e)f(to)i(b)r
+(e)g(in)g(PEM)h(format.)46 b(If)31 b(capath)f(is)h(passed,)f(it)i(m)n
+(ust)e(b)r(e)i(a)e(directory)f(prepared)208 2798 y(using)i(the)h
+Fl(c_rehash)c Fq(to)r(ol)j(included)h(with)g(Op)r(enSSL.)g(Either,)h
+(but)f(not)g(b)r(oth,)h(of)38 b Fc(p)l(em\034le)g Fq(or)31
+b Fc(c)l(ap)l(ath)39 b Fq(ma)n(y)31 b(b)r(e)208 2898
+y Fl(None)p Fq(.)0 3045 y Fl(set_default_veri)o(fy)o(_pa)o(th)o(s\()o
+(\))208 3144 y Fq(Sp)r(ecify)20 b(that)h(the)g(platform)f(pro)n(vided)f
+(CA)h(certi\034cates)g(are)f(to)h(b)r(e)h(used)f(for)g(v)n
+(eri\034cation)f(purp)r(oses.)33 b(This)21 b(metho)r(d)208
+3244 y(ma)n(y)26 b(not)i(w)n(ork)e(prop)r(erly)h(on)g(OS)g(X.)0
+3391 y Fl(load_tmp_dh\()p Fc(dh\034le)6 b Fl(\))208 3491
+y Fq(Load)26 b(parameters)g(for)h(Ephemeral)g(Di\036e-Hellman)h(from)g
+Fc(dh\034le)6 b Fq(.)0 3637 y Fl(set_app_data\()p Fc(data)g
+Fl(\))208 3737 y Fq(Asso)r(ciate)25 b Fc(data)33 b Fq(with)27
+b(this)f(Con)n(text)f(ob)5 b(ject.)36 b Fc(data)e Fq(can)25
+b(b)r(e)i(retriev)n(ed)d(later)i(using)f(the)i Fl(get_app_data)21
+b Fq(metho)r(d.)0 3884 y Fl(set_cipher_list\()o Fc(ciphers)7
+b Fl(\))208 3984 y Fq(Set)28 b(the)g(list)h(of)f(ciphers)f(to)h(b)r(e)g
+(used)g(in)g(this)h(con)n(text.)37 b(See)28 b(the)h(Op)r(enSSL)f(man)n
+(ual)f(for)h(more)f(information)g(\(e.g.)208 4083 y(ciphers\(1\)\))0
+4230 y Fl(set_info_callbac)o(k\()o Fc(c)l(al)t(lb)l(ack)9
+b Fl(\))208 4330 y Fq(Set)33 b(the)f(information)g(callbac)n(k)f(to)i
 Fc(c)l(al)t(lb)l(ack)9 b Fq(.)54 b(This)32 b(function)h(will)g(b)r(e)g
 (called)f(from)g(time)h(to)g(time)g(during)f(SSL)208
-2899 y(handshak)n(es.)49 b Fc(c)l(al)t(lb)l(ack)43 b
+4429 y(handshak)n(es.)49 b Fc(c)l(al)t(lb)l(ack)43 b
 Fq(should)32 b(tak)n(e)g(three)g(argumen)n(ts:)45 b(a)32
 b(Connection)g(ob)5 b(ject)32 b(and)g(t)n(w)n(o)g(in)n(tegers.)50
-b(The)32 b(\034rst)208 2999 y(in)n(teger)f(sp)r(eci\034es)g(where)h(in)
+b(The)32 b(\034rst)208 4529 y(in)n(teger)f(sp)r(eci\034es)g(where)h(in)
 g(the)g(SSL)g(handshak)n(e)f(the)h(function)h(w)n(as)e(called,)h(and)g
-(the)g(other)g(the)g(return)f(co)r(de)208 3099 y(from)c(a)g(\(p)r
+(the)g(other)g(the)g(return)f(co)r(de)208 4629 y(from)c(a)g(\(p)r
 (ossibly)g(failed\))h(in)n(ternal)f(function)h(call.)0
-3245 y Fl(set_options\()p Fc(options)7 b Fl(\))208 3345
+4775 y Fl(set_options\()p Fc(options)7 b Fl(\))208 4875
 y Fq(A)n(dd)28 b(SSL)h(options.)38 b(Options)28 b(y)n(ou)f(ha)n(v)n(e)g
 (set)i(b)r(efore)f(are)f(not)h(cleared!)38 b(This)28
 b(metho)r(d)h(should)f(b)r(e)h(used)f(with)h(the)208
-3445 y Fl(OP_*)d Fq(constan)n(ts.)0 3591 y Fl(set_passwd_cb\()p
+4975 y Fl(OP_*)d Fq(constan)n(ts.)0 5122 y Fl(set_passwd_cb\()p
 Fc(c)l(al)t(lb)l(ack)9 b Fb([)p Fc(,)25 b(user)l(data)19
-b Fb(])p Fl(\))208 3691 y Fq(Set)42 b(the)g(passphrase)f(callbac)n(k)f
+b Fb(])p Fl(\))208 5221 y Fq(Set)42 b(the)g(passphrase)f(callbac)n(k)f
 (to)i Fc(c)l(al)t(lb)l(ack)9 b Fq(.)82 b(This)42 b(function)h(will)f(b)
 r(e)g(called)g(when)g(a)g(priv)-5 b(ate)42 b(k)n(ey)f(with)h(a)208
-3791 y(passphrase)32 b(is)i(loaded.)56 b Fc(c)l(al)t(lb)l(ack)45
+5321 y(passphrase)32 b(is)i(loaded.)56 b Fc(c)l(al)t(lb)l(ack)45
 b Fq(m)n(ust)34 b(accept)g(three)g(p)r(ositional)f(argumen)n(ts.)56
-b(First,)35 b(an)f(in)n(teger)f(giving)h(the)208 3890
-y(maxim)n(um)e(length)i(of)f(the)g(passphrase)f(it)h(ma)n(y)g(return.)
-53 b(If)33 b(the)h(returned)e(passphrase)g(is)h(longer)f(than)h(this,)i
-(it)208 3990 y(will)29 b(b)r(e)h(truncated.)43 b(Second,)30
-b(a)f(b)r(o)r(olean)g(v)-5 b(alue)29 b(whic)n(h)h(will)g(b)r(e)g(true)f
-(if)h(the)g(user)f(should)g(b)r(e)h(prompted)g(for)f(the)208
-4090 y(passphrase)k(t)n(wice)h(and)h(the)g(callbac)n(k)f(should)g(v)n
-(erify)h(that)g(the)g(t)n(w)n(o)f(v)-5 b(alues)35 b(supplied)g(are)f
-(equal.)58 b(Third,)37 b(the)208 4189 y(v)-5 b(alue)27
-b(giv)n(en)g(as)g(the)h Fc(user)l(data)35 b Fq(parameter)26
-b(to)h Fl(set_passwd_cb)p Fq(.)32 b(If)c(an)g(error)d(o)r(ccurs,)i
-Fc(c)l(al)t(lb)l(ack)39 b Fq(should)27 b(return)g(a)208
-4289 y(false)g(v)-5 b(alue)27 b(\(e.g.)37 b(an)27 b(empt)n(y)h
-(string\).)0 4436 y Fl(set_session_id\()p Fc(n)o(ame)6
-b Fl(\))208 4535 y Fq(Set)33 b(the)h(con)n(text)f Fc(name)39
-b Fq(within)34 b(whic)n(h)f(a)g(session)f(can)h(b)r(e)h(reused)e(for)h
-(this)g(Con)n(text)g(ob)5 b(ject.)54 b(This)33 b(is)g(needed)208
-4635 y(when)e(doing)g(session)g(resumption,)h(b)r(ecause)g(there)f(is)h
-(no)f(w)n(a)n(y)g(for)g(a)g(stored)g(session)f(to)i(kno)n(w)f(whic)n(h)
-g(Con)n(text)208 4735 y(ob)5 b(ject)27 b(it)h(is)f(asso)r(ciated)g
-(with.)37 b Fc(name)d Fq(ma)n(y)27 b(b)r(e)h(an)n(y)e(binary)h(data.)0
-4882 y Fl(set_timeout\()p Fc(time)l(out)8 b Fl(\))208
-4981 y Fq(Set)29 b(the)g(timeout)h(for)e(newly)h(created)f(sessions)g
-(for)h(this)g(Con)n(text)g(ob)5 b(ject)28 b(to)h Fc(time)l(out)8
-b Fq(.)41 b Fc(time)l(out)36 b Fq(m)n(ust)29 b(b)r(e)h(giv)n(en)208
-5081 y(in)f(\(whole\))f(seconds.)40 b(The)29 b(default)g(v)-5
-b(alue)28 b(is)h(300)e(seconds.)40 b(See)29 b(the)g(Op)r(enSSL)g(man)n
-(ual)f(for)g(more)g(information)208 5180 y(\(e.g.)36
-b(SSL_CTX_set_timeout\(3\)\).)0 5327 y Fl(set_verify\()p
-Fc(mo)l(de,)26 b(c)l(al)t(lb)l(ack)9 b Fl(\))p 0 5549
+b(First,)35 b(an)f(in)n(teger)f(giving)h(the)p 0 5549
 3901 4 v 0 5649 a Ff(3.3)82 b Fl(SSL)26 b Ff(\026)i(An)g(interface)g
 (to)f(the)g(SSL-sp)r(eci\034c)h(pa)n(rts)f(of)h(Op)r(enSSL)1611
 b(11)p eop end
 %%Page: 12 12
-TeXDict begin 12 11 bop 208 83 a Fq(Set)36 b(the)h(v)n(eri\034cation)e
-(\035ags)g(for)h(this)h(Con)n(text)f(ob)5 b(ject)36 b(to)g
-Fc(mo)l(de)44 b Fq(and)36 b(sp)r(ecify)g(that)h Fc(c)l(al)t(lb)l(ack)47
-b Fq(should)36 b(b)r(e)h(used)208 183 y(for)30 b(v)n(eri\034cation)g
-(callbac)n(ks.)45 b Fc(mo)l(de)38 b Fq(should)31 b(b)r(e)h(one)e(of)38
+TeXDict begin 12 11 bop 208 83 a Fq(maxim)n(um)32 b(length)i(of)f(the)g
+(passphrase)f(it)h(ma)n(y)g(return.)53 b(If)33 b(the)h(returned)e
+(passphrase)g(is)h(longer)f(than)h(this,)i(it)208 183
+y(will)29 b(b)r(e)h(truncated.)43 b(Second,)30 b(a)f(b)r(o)r(olean)g(v)
+-5 b(alue)29 b(whic)n(h)h(will)g(b)r(e)g(true)f(if)h(the)g(user)f
+(should)g(b)r(e)h(prompted)g(for)f(the)208 282 y(passphrase)k(t)n(wice)
+h(and)h(the)g(callbac)n(k)f(should)g(v)n(erify)h(that)g(the)g(t)n(w)n
+(o)f(v)-5 b(alues)35 b(supplied)g(are)f(equal.)58 b(Third,)37
+b(the)208 382 y(v)-5 b(alue)27 b(giv)n(en)g(as)g(the)h
+Fc(user)l(data)35 b Fq(parameter)26 b(to)h Fl(set_passwd_cb)p
+Fq(.)32 b(If)c(an)g(error)d(o)r(ccurs,)i Fc(c)l(al)t(lb)l(ack)39
+b Fq(should)27 b(return)g(a)208 482 y(false)g(v)-5 b(alue)27
+b(\(e.g.)37 b(an)27 b(empt)n(y)h(string\).)0 628 y Fl(set_session_id\()
+p Fc(n)o(ame)6 b Fl(\))208 728 y Fq(Set)33 b(the)h(con)n(text)f
+Fc(name)39 b Fq(within)34 b(whic)n(h)f(a)g(session)f(can)h(b)r(e)h
+(reused)e(for)h(this)g(Con)n(text)g(ob)5 b(ject.)54 b(This)33
+b(is)g(needed)208 828 y(when)e(doing)g(session)g(resumption,)h(b)r
+(ecause)g(there)f(is)h(no)f(w)n(a)n(y)g(for)g(a)g(stored)g(session)f
+(to)i(kno)n(w)f(whic)n(h)g(Con)n(text)208 927 y(ob)5
+b(ject)27 b(it)h(is)f(asso)r(ciated)g(with.)37 b Fc(name)d
+Fq(ma)n(y)27 b(b)r(e)h(an)n(y)e(binary)h(data.)0 1074
+y Fl(set_timeout\()p Fc(time)l(out)8 b Fl(\))208 1174
+y Fq(Set)29 b(the)g(timeout)h(for)e(newly)h(created)f(sessions)g(for)h
+(this)g(Con)n(text)g(ob)5 b(ject)28 b(to)h Fc(time)l(out)8
+b Fq(.)41 b Fc(time)l(out)36 b Fq(m)n(ust)29 b(b)r(e)h(giv)n(en)208
+1273 y(in)f(\(whole\))f(seconds.)40 b(The)29 b(default)g(v)-5
+b(alue)28 b(is)h(300)e(seconds.)40 b(See)29 b(the)g(Op)r(enSSL)g(man)n
+(ual)f(for)g(more)g(information)208 1373 y(\(e.g.)36
+b(SSL_CTX_set_timeout\(3\)\).)0 1520 y Fl(set_verify\()p
+Fc(mo)l(de,)26 b(c)l(al)t(lb)l(ack)9 b Fl(\))208 1620
+y Fq(Set)36 b(the)h(v)n(eri\034cation)e(\035ags)g(for)h(this)h(Con)n
+(text)f(ob)5 b(ject)36 b(to)g Fc(mo)l(de)44 b Fq(and)36
+b(sp)r(ecify)g(that)h Fc(c)l(al)t(lb)l(ack)47 b Fq(should)36
+b(b)r(e)h(used)208 1719 y(for)30 b(v)n(eri\034cation)g(callbac)n(ks.)45
+b Fc(mo)l(de)38 b Fq(should)31 b(b)r(e)h(one)e(of)38
 b Fl(VERIFY_NONE)26 b Fq(and)31 b Fl(VERIFY_PEER)p Fq(.)c(If)38
-b Fl(VERIFY_PEER)26 b Fq(is)208 282 y(used,)j Fc(mo)l(de)36
+b Fl(VERIFY_PEER)26 b Fq(is)208 1819 y(used,)j Fc(mo)l(de)36
 b Fq(can)29 b(b)r(e)g(OR:ed)g(with)g Fl(VERIFY_FAIL_IF_NO)o(_P)o(EE)o
 (R_C)o(ER)o(T)23 b Fq(and)29 b Fl(VERIFY_CLIENT_O)o(NCE)22
-b Fq(to)29 b(further)208 382 y(con)n(trol)23 b(the)j(b)r(eha)n(viour.)
+b Fq(to)29 b(further)208 1918 y(con)n(trol)23 b(the)j(b)r(eha)n(viour.)
 34 b Fc(c)l(al)t(lb)l(ack)i Fq(should)25 b(tak)n(e)f(\034v)n(e)h
 (argumen)n(ts:)34 b(A)25 b(Connection)g(ob)5 b(ject,)25
-b(an)g(X509)f(ob)5 b(ject,)25 b(and)208 482 y(three)e(in)n(teger)g(v)-5
-b(ariables,)23 b(whic)n(h)h(are)f(in)h(turn)g(p)r(oten)n(tial)g(error)d
-(n)n(um)n(b)r(er,)k(error)c(depth)k(and)f(return)f(co)r(de.)35
-b Fc(c)l(al)t(lb)l(ack)208 581 y Fq(should)27 b(return)g(true)g(if)h(v)
-n(eri\034cation)f(passes)f(and)h(false)h(otherwise.)0
-728 y Fl(set_verify_depth)o(\()p Fc(depth)6 b Fl(\))208
-828 y Fq(Set)36 b(the)g(maxim)n(um)f(depth)h(for)g(the)g(certi\034cate)
-f(c)n(hain)g(v)n(eri\034cation)f(that)i(shall)f(b)r(e)h(allo)n(w)n(ed)e
-(for)i(this)f(Con)n(text)208 927 y(ob)5 b(ject.)0 1074
-y Fl(use_certificate\()o Fc(c)l(ert)j Fl(\))208 1174
-y Fq(Use)27 b(the)h(certi\034cate)f Fc(c)l(ert)35 b Fq(whic)n(h)28
-b(has)f(to)g(b)r(e)h(a)f(X509)g(ob)5 b(ject.)0 1321 y
-Fl(add_extra_chain_)o(ce)o(rt\()o Fc(c)l(ert)j Fl(\))208
-1420 y Fq(A)n(dds)32 b(the)h(certi\034cate)f Fc(c)l(ert)8
-b Fq(,)34 b(whic)n(h)f(has)f(to)g(b)r(e)i(a)e(X509)f(ob)5
+b(an)g(X509)f(ob)5 b(ject,)25 b(and)208 2018 y(three)e(in)n(teger)g(v)
+-5 b(ariables,)23 b(whic)n(h)h(are)f(in)h(turn)g(p)r(oten)n(tial)g
+(error)d(n)n(um)n(b)r(er,)k(error)c(depth)k(and)f(return)f(co)r(de.)35
+b Fc(c)l(al)t(lb)l(ack)208 2118 y Fq(should)27 b(return)g(true)g(if)h
+(v)n(eri\034cation)f(passes)f(and)h(false)h(otherwise.)0
+2265 y Fl(set_verify_depth)o(\()p Fc(depth)6 b Fl(\))208
+2364 y Fq(Set)36 b(the)g(maxim)n(um)f(depth)h(for)g(the)g
+(certi\034cate)f(c)n(hain)g(v)n(eri\034cation)f(that)i(shall)f(b)r(e)h
+(allo)n(w)n(ed)e(for)i(this)f(Con)n(text)208 2464 y(ob)5
+b(ject.)0 2611 y Fl(use_certificate\()o Fc(c)l(ert)j
+Fl(\))208 2710 y Fq(Use)27 b(the)h(certi\034cate)f Fc(c)l(ert)35
+b Fq(whic)n(h)28 b(has)f(to)g(b)r(e)h(a)f(X509)g(ob)5
+b(ject.)0 2857 y Fl(add_extra_chain_)o(ce)o(rt\()o Fc(c)l(ert)j
+Fl(\))208 2957 y Fq(A)n(dds)32 b(the)h(certi\034cate)f
+Fc(c)l(ert)8 b Fq(,)34 b(whic)n(h)f(has)f(to)g(b)r(e)i(a)e(X509)f(ob)5
 b(ject,)34 b(to)f(the)g(certi\034cate)f(c)n(hain)g(presen)n(ted)g
-(together)208 1520 y(with)c(the)g(certi\034cate.)0 1667
+(together)208 3056 y(with)c(the)g(certi\034cate.)0 3203
 y Fl(use_certificate_)o(ch)o(ain)o(_f)o(il)o(e\()p Fc(\034)o(le)6
-b Fl(\))208 1766 y Fq(Load)26 b(a)h(certi\034cate)g(c)n(hain)g(from)h
+b Fl(\))208 3303 y Fq(Load)26 b(a)h(certi\034cate)g(c)n(hain)g(from)h
 Fc(\034le)34 b Fq(whic)n(h)27 b(m)n(ust)h(b)r(e)g(PEM)g(enco)r(ded.)0
-1913 y Fl(use_privatekey\()p Fc(pkey)7 b Fl(\))208 2013
+3450 y Fl(use_privatekey\()p Fc(pkey)7 b Fl(\))208 3549
 y Fq(Use)27 b(the)h(priv)-5 b(ate)27 b(k)n(ey)h Fc(pkey)36
 b Fq(whic)n(h)28 b(has)f(to)g(b)r(e)h(a)f(PKey)h(ob)5
-b(ject.)0 2174 y Fl(use_certificate_)o(fi)o(le\()o Fc(\034le)h
-Fb([)p Fc(,)24 b(format)d Fb(])p Fl(\))208 2274 y Fq(Load)i(the)h
+b(ject.)0 3711 y Fl(use_certificate_)o(fi)o(le\()o Fc(\034le)h
+Fb([)p Fc(,)24 b(format)d Fb(])p Fl(\))208 3810 y Fq(Load)i(the)h
 (\034rst)g(certi\034cate)f(found)h(in)h Fc(\034le)6 b
 Fq(.)36 b(The)24 b(certi\034cate)f(m)n(ust)h(b)r(e)h(in)f(the)g(format)
 g(sp)r(eci\034ed)g(b)n(y)h Fc(format)8 b Fq(,)25 b(whic)n(h)208
-2373 y(is)i(either)g Fl(FILETYPE_PEM)c Fq(or)k Fl(FILETYPE_ASN1)p
+3910 y(is)i(either)g Fl(FILETYPE_PEM)c Fq(or)k Fl(FILETYPE_ASN1)p
 Fq(.)k(The)d(default)g(is)f Fl(FILETYPE_PEM)p Fq(.)0
-2520 y Fl(use_privatekey_f)o(il)o(e\()p Fc(\034)o(le)6
-b Fb([)p Fc(,)25 b(format)20 b Fb(])p Fl(\))208 2620
+4057 y Fl(use_privatekey_f)o(il)o(e\()p Fc(\034)o(le)6
+b Fb([)p Fc(,)25 b(format)20 b Fb(])p Fl(\))208 4156
 y Fq(Load)31 b(the)h(\034rst)g(priv)-5 b(ate)31 b(k)n(ey)g(found)i(in)f
 Fc(\034le)6 b Fq(.)50 b(The)32 b(priv)-5 b(ate)32 b(k)n(ey)f(m)n(ust)h
 (b)r(e)g(in)h(the)f(format)f(sp)r(eci\034ed)i(b)n(y)f
-Fc(format)8 b Fq(,)208 2720 y(whic)n(h)27 b(is)g(either)h
+Fc(format)8 b Fq(,)208 4256 y(whic)n(h)27 b(is)g(either)h
 Fl(FILETYPE_PEM)22 b Fq(or)27 b Fl(FILETYPE_ASN1)p Fq(.)32
-b(The)27 b(default)h(is)g Fl(FILETYPE_PEM)p Fq(.)0 2983
-y Ff(Connection)e(objects)0 3183 y Fq(Connection)h(ob)5
+b(The)27 b(default)h(is)g Fl(FILETYPE_PEM)p Fq(.)0 4519
+y Ff(Connection)e(objects)0 4720 y Fq(Connection)h(ob)5
 b(jects)27 b(ha)n(v)n(e)f(the)i(follo)n(wing)f(metho)r(ds:)0
-3330 y Fl(accept\(\))208 3429 y Fq(Call)33 b(the)g Fl(accept)e
+4866 y Fl(accept\(\))208 4966 y Fq(Call)33 b(the)g Fl(accept)e
 Fq(metho)r(d)j(of)f(the)h(underlying)f(so)r(c)n(k)n(et)f(and)h(set)h
 (up)g(SSL)f(on)g(the)h(returned)f(so)r(c)n(k)n(et,)h(using)f(the)208
-3529 y(Con)n(text)22 b(ob)5 b(ject)22 b(supplied)h(to)f(this)h
+5066 y(Con)n(text)22 b(ob)5 b(ject)22 b(supplied)h(to)f(this)h
 (Connection)f(ob)5 b(ject)22 b(at)h(creation.)34 b(Returns)22
 b(a)g(pair)g Fl(\()p Fc(c)l(onn)6 b Fl(,)43 b Fc(addr)l(ess)7
-b Fl(\))p Fq(.)36 b(where)208 3629 y Fc(c)l(onn)d Fq(is)28
+b Fl(\))p Fq(.)36 b(where)208 5165 y Fc(c)l(onn)d Fq(is)28
 b(the)g(new)f(Connection)g(ob)5 b(ject)28 b(created,)e(and)i
 Fc(addr)l(ess)35 b Fq(is)28 b(as)f(returned)g(b)n(y)g(the)h(so)r(c)n(k)
-n(et's)e Fl(accept)p Fq(.)0 3776 y Fl(bind\()p Fc(addr)l(ess)7
-b Fl(\))208 3875 y Fq(Call)27 b(the)h Fl(bind)e Fq(metho)r(d)i(of)f
-(the)h(underlying)f(so)r(c)n(k)n(et.)0 4022 y Fl(close\(\))208
-4122 y Fq(Call)i(the)h Fl(close)e Fq(metho)r(d)i(of)g(the)g(underlying)
-f(so)r(c)n(k)n(et.)43 b(Note:)e(If)31 b(y)n(ou)e(w)n(an)n(t)g(correct)f
-(SSL)i(closure,)f(y)n(ou)g(need)h(to)208 4221 y(call)d(the)h
-Fl(shutdown)c Fq(metho)r(d)k(\034rst.)0 4368 y Fl(connect\()p
-Fc(addr)l(ess)7 b Fl(\))208 4468 y Fq(Call)31 b(the)h
-Fl(connect)e Fq(metho)r(d)i(of)g(the)g(underlying)g(so)r(c)n(k)n(et)e
-(and)i(set)g(up)g(SSL)h(on)e(the)i(so)r(c)n(k)n(et,)f(using)f(the)h
-(Con)n(text)208 4567 y(ob)5 b(ject)27 b(supplied)h(to)f(this)h
-(Connection)f(ob)5 b(ject)27 b(at)h(creation.)0 4714
-y Fl(connect_ex\()p Fc(addr)l(ess)7 b Fl(\))208 4814
-y Fq(Call)24 b(the)g Fl(connect_ex)c Fq(metho)r(d)25
-b(of)f(the)h(underlying)f(so)r(c)n(k)n(et)f(and)h(set)g(up)h(SSL)f(on)g
-(the)h(so)r(c)n(k)n(et,)f(using)g(the)g(Con)n(text)208
-4914 y(ob)5 b(ject)35 b(supplied)g(to)h(this)f(Connection)g(ob)5
-b(ject)36 b(at)f(creation.)59 b(Note)36 b(that)f(if)h(the)g
-Fl(connect_ex)31 b Fq(metho)r(d)36 b(of)g(the)208 5013
-y(so)r(c)n(k)n(et)26 b(do)r(esn't)i(return)f(0,)g(SSL)h(w)n(on't)f(b)r
-(e)h(initialized.)0 5160 y Fl(do_handshake\(\))208 5260
-y Fq(P)n(erform)49 b(an)h(SSL)g(handshak)n(e)f(\(usually)h(called)g
-(after)f Fl(renegotiate)d Fq(or)j(one)h(of)57 b Fl(set_accept_stat)o(e)
-44 b Fq(or)208 5359 y Fl(set_accept_stat)o(e)p Fq(\).)31
-b(This)d(can)f(raise)f(the)i(same)f(exceptions)g(as)g
-Fl(send)f Fq(and)h Fl(recv)p Fq(.)p 0 5549 3901 4 v 0
-5649 a Ff(12)2197 b(3)83 b Fl(OpenSSL)24 b Ff(\026)k(Python)f
-(interface)h(to)f(Op)r(enSSL)p eop end
+n(et's)e Fl(accept)p Fq(.)0 5312 y Fl(bind\()p Fc(addr)l(ess)7
+b Fl(\))p 0 5549 3901 4 v 0 5649 a Ff(12)2197 b(3)83
+b Fl(OpenSSL)24 b Ff(\026)k(Python)f(interface)h(to)f(Op)r(enSSL)p
+eop end
 %%Page: 13 13
-TeXDict begin 13 12 bop 0 83 a Fl(fileno\(\))208 183
-y Fq(Retriev)n(e)26 b(the)i(\034le)g(descriptor)e(n)n(um)n(b)r(er)i
-(for)f(the)h(underlying)e(so)r(c)n(k)n(et.)0 330 y Fl(listen\()p
-Fc(b)l(acklo)l(g)7 b Fl(\))208 429 y Fq(Call)27 b(the)h
+TeXDict begin 13 12 bop 208 83 a Fq(Call)27 b(the)h Fl(bind)e
+Fq(metho)r(d)i(of)f(the)h(underlying)f(so)r(c)n(k)n(et.)0
+230 y Fl(close\(\))208 330 y Fq(Call)i(the)h Fl(close)e
+Fq(metho)r(d)i(of)g(the)g(underlying)f(so)r(c)n(k)n(et.)43
+b(Note:)e(If)31 b(y)n(ou)e(w)n(an)n(t)g(correct)f(SSL)i(closure,)f(y)n
+(ou)g(need)h(to)208 429 y(call)d(the)h Fl(shutdown)c
+Fq(metho)r(d)k(\034rst.)0 576 y Fl(connect\()p Fc(addr)l(ess)7
+b Fl(\))208 676 y Fq(Call)31 b(the)h Fl(connect)e Fq(metho)r(d)i(of)g
+(the)g(underlying)g(so)r(c)n(k)n(et)e(and)i(set)g(up)g(SSL)h(on)e(the)i
+(so)r(c)n(k)n(et,)f(using)f(the)h(Con)n(text)208 775
+y(ob)5 b(ject)27 b(supplied)h(to)f(this)h(Connection)f(ob)5
+b(ject)27 b(at)h(creation.)0 922 y Fl(connect_ex\()p
+Fc(addr)l(ess)7 b Fl(\))208 1022 y Fq(Call)24 b(the)g
+Fl(connect_ex)c Fq(metho)r(d)25 b(of)f(the)h(underlying)f(so)r(c)n(k)n
+(et)f(and)h(set)g(up)h(SSL)f(on)g(the)h(so)r(c)n(k)n(et,)f(using)g(the)
+g(Con)n(text)208 1121 y(ob)5 b(ject)35 b(supplied)g(to)h(this)f
+(Connection)g(ob)5 b(ject)36 b(at)f(creation.)59 b(Note)36
+b(that)f(if)h(the)g Fl(connect_ex)31 b Fq(metho)r(d)36
+b(of)g(the)208 1221 y(so)r(c)n(k)n(et)26 b(do)r(esn't)i(return)f(0,)g
+(SSL)h(w)n(on't)f(b)r(e)h(initialized.)0 1368 y Fl(do_handshake\(\))208
+1468 y Fq(P)n(erform)49 b(an)h(SSL)g(handshak)n(e)f(\(usually)h(called)
+g(after)f Fl(renegotiate)d Fq(or)j(one)h(of)57 b Fl(set_accept_stat)o
+(e)44 b Fq(or)208 1567 y Fl(set_accept_stat)o(e)p Fq(\).)31
+b(This)d(can)f(raise)f(the)i(same)f(exceptions)g(as)g
+Fl(send)f Fq(and)h Fl(recv)p Fq(.)0 1714 y Fl(fileno\(\))208
+1814 y Fq(Retriev)n(e)f(the)i(\034le)g(descriptor)e(n)n(um)n(b)r(er)i
+(for)f(the)h(underlying)e(so)r(c)n(k)n(et.)0 1961 y Fl(listen\()p
+Fc(b)l(acklo)l(g)7 b Fl(\))208 2060 y Fq(Call)27 b(the)h
 Fl(listen)d Fq(metho)r(d)j(of)f(the)h(underlying)f(so)r(c)n(k)n(et.)0
-576 y Fl(get_app_data\(\))208 676 y Fq(Retriev)n(e)f(application)h
-(data)g(as)g(set)h(b)n(y)g Fl(set_app_data)p Fq(.)0 823
-y Fl(get_cipher_list\()o(\))208 922 y Fq(Retriev)n(e)23
+2207 y Fl(get_app_data\(\))208 2307 y Fq(Retriev)n(e)f(application)h
+(data)g(as)g(set)h(b)n(y)g Fl(set_app_data)p Fq(.)0 2454
+y Fl(get_cipher_list\()o(\))208 2553 y Fq(Retriev)n(e)23
 b(the)h(list)g(of)g(ciphers)g(used)g(b)n(y)f(the)i(Connection)e(ob)5
 b(ject.)36 b(W)-9 b(ARNING:)25 b(This)f(API)h(has)e(c)n(hanged.)35
-b(It)24 b(used)208 1022 y(to)j(tak)n(e)g(an)g(optional)g(parameter)f
+b(It)24 b(used)208 2653 y(to)j(tak)n(e)g(an)g(optional)g(parameter)f
 (and)h(just)h(return)g(a)f(string,)g(but)h(not)f(it)h(returns)f(the)h
-(en)n(tire)f(list)h(in)g(one)f(go.)0 1169 y Fl(get_context\(\))208
-1268 y Fq(Retriev)n(e)f(the)i(Con)n(text)f(ob)5 b(ject)28
-b(asso)r(ciated)e(with)i(this)g(Connection.)0 1415 y
-Fl(get_peer_certifi)o(ca)o(te\()o(\))208 1515 y Fq(Retriev)n(e)e(the)i
-(other)f(side's)g(certi\034cate)g(\(if)i(an)n(y\))0 1662
-y Fl(getpeername\(\))208 1761 y Fq(Call)e(the)h Fl(getpeername)23
+(en)n(tire)f(list)h(in)g(one)f(go.)0 2800 y Fl(get_context\(\))208
+2899 y Fq(Retriev)n(e)f(the)i(Con)n(text)f(ob)5 b(ject)28
+b(asso)r(ciated)e(with)i(this)g(Connection.)0 3046 y
+Fl(get_peer_certifi)o(ca)o(te\()o(\))208 3146 y Fq(Retriev)n(e)e(the)i
+(other)f(side's)g(certi\034cate)g(\(if)i(an)n(y\))0 3293
+y Fl(getpeername\(\))208 3392 y Fq(Call)e(the)h Fl(getpeername)23
 b Fq(metho)r(d)28 b(of)f(the)h(underlying)f(so)r(c)n(k)n(et.)0
-1908 y Fl(getsockname\(\))208 2008 y Fq(Call)g(the)h
+3539 y Fl(getsockname\(\))208 3639 y Fq(Call)g(the)h
 Fl(getsockname)23 b Fq(metho)r(d)28 b(of)f(the)h(underlying)f(so)r(c)n
-(k)n(et.)0 2171 y Fl(getsockopt\()p Fc(level,)f(optname)6
-b Fb([)p Fc(,)31 b(bu\035en)18 b Fb(])p Fl(\))208 2271
+(k)n(et.)0 3802 y Fl(getsockopt\()p Fc(level,)f(optname)6
+b Fb([)p Fc(,)31 b(bu\035en)18 b Fb(])p Fl(\))208 3902
 y Fq(Call)27 b(the)h Fl(getsockopt)23 b Fq(metho)r(d)28
-b(of)g(the)g(underlying)f(so)r(c)n(k)n(et.)0 2418 y Fl(pending\(\))208
-2517 y Fq(Retriev)n(e)22 b(the)h(n)n(um)n(b)r(er)g(of)g(b)n(ytes)g
+b(of)g(the)g(underlying)f(so)r(c)n(k)n(et.)0 4049 y Fl(pending\(\))208
+4148 y Fq(Retriev)n(e)22 b(the)h(n)n(um)n(b)r(er)g(of)g(b)n(ytes)g
 (that)h(can)e(b)r(e)i(safely)f(read)f(from)h(the)g(SSL)h(bu\033er)f(\()
-p Fc(not)g Fq(the)h(underlying)e(transp)r(ort)208 2617
-y(bu\033er\).)0 2764 y Fl(recv\()p Fc(bufsize)6 b Fl(\))208
-2864 y Fq(Receiv)n(e)30 b(data)h(from)g(the)h(Connection.)47
+p Fc(not)g Fq(the)h(underlying)e(transp)r(ort)208 4248
+y(bu\033er\).)0 4395 y Fl(recv\()p Fc(bufsize)6 b Fl(\))208
+4495 y Fq(Receiv)n(e)30 b(data)h(from)g(the)h(Connection.)47
 b(The)31 b(return)g(v)-5 b(alue)31 b(is)h(a)e(string)h(represen)n(ting)
-f(the)h(data)g(receiv)n(ed.)47 b(The)208 2963 y(maxim)n(um)27
+f(the)h(data)g(receiv)n(ed.)47 b(The)208 4594 y(maxim)n(um)27
 b(amoun)n(t)g(of)g(data)h(to)f(b)r(e)h(receiv)n(ed)e(at)i(once,)f(is)g
-(sp)r(eci\034ed)h(b)n(y)h Fc(bufsize)6 b Fq(.)0 3110
-y Fl(renegotiate\(\))208 3210 y Fq(Renegotiate)26 b(the)i(SSL)g
+(sp)r(eci\034ed)h(b)n(y)h Fc(bufsize)6 b Fq(.)0 4741
+y Fl(renegotiate\(\))208 4841 y Fq(Renegotiate)26 b(the)i(SSL)g
 (session.)36 b(Call)27 b(this)h(if)g(y)n(ou)f(wish)g(to)h(c)n(hange)e
 (cipher)h(suites)h(or)e(an)n(ything)h(lik)n(e)g(that.)0
-3357 y Fl(send\()p Fc(string)7 b Fl(\))208 3456 y Fq(Send)27
+4988 y Fl(send\()p Fc(string)7 b Fl(\))208 5087 y Fq(Send)27
 b(the)h Fc(string)35 b Fq(data)27 b(to)h(the)g(Connection.)0
-3603 y Fl(sendall\()p Fc(string)7 b Fl(\))208 3703 y
+5234 y Fl(sendall\()p Fc(string)7 b Fl(\))208 5334 y
 Fq(Send)30 b(all)f(of)h(the)g Fc(string)37 b Fq(data)29
 b(to)g(the)h(Connection.)43 b(This)30 b(calls)f Fl(send)f
 Fq(rep)r(eatedly)h(un)n(til)h(all)f(data)h(is)f(sen)n(t.)43
-b(If)30 b(an)208 3802 y(error)25 b(o)r(ccurs,)i(it's)h(imp)r(ossible)f
-(to)g(tell)h(ho)n(w)f(m)n(uc)n(h)h(data)f(has)g(b)r(een)h(sen)n(t.)0
-3949 y Fl(set_accept_state)o(\(\))208 4049 y Fq(Set)20
-b(the)g(connection)f(to)h(w)n(ork)e(in)i(serv)n(er)e(mo)r(de.)34
-b(The)20 b(handshak)n(e)f(will)h(b)r(e)g(handled)g(automatically)e(b)n
-(y)i(read/write.)0 4196 y Fl(set_app_data\()p Fc(data)6
-b Fl(\))208 4295 y Fq(Asso)r(ciate)39 b Fc(data)47 b
-Fq(with)40 b(this)g(Connection)g(ob)5 b(ject.)73 b Fc(data)47
-b Fq(can)39 b(b)r(e)i(retriev)n(ed)d(later)h(using)h(the)g
-Fl(get_app_data)208 4395 y Fq(metho)r(d.)0 4542 y Fl(set_connect_stat)o
-(e\()o(\))208 4641 y Fq(Set)21 b(the)g(connection)g(to)g(w)n(ork)e(in)i
-(clien)n(t)g(mo)r(de.)35 b(The)21 b(handshak)n(e)f(will)h(b)r(e)g
-(handled)g(automatically)f(b)n(y)h(read/write.)0 4788
-y Fl(setblocking\()p Fc(\035ag)7 b Fl(\))208 4888 y Fq(Call)27
-b(the)h Fl(setblocking)23 b Fq(metho)r(d)28 b(of)f(the)h(underlying)f
-(so)r(c)n(k)n(et.)0 5035 y Fl(setsockopt\()p Fc(level,)f(optname,)31
-b(value)6 b Fl(\))208 5134 y Fq(Call)27 b(the)h Fl(setsockopt)23
-b Fq(metho)r(d)28 b(of)g(the)g(underlying)f(so)r(c)n(k)n(et.)0
-5281 y Fl(shutdown\(\))208 5381 y Fq(Send)35 b(the)h(sh)n(utdo)n(wn)f
-(message)f(to)h(the)h(Connection.)60 b(Returns)35 b(true)g(if)h(the)g
-(sh)n(utdo)n(wn)e(message)g(exc)n(hange)g(is)p 0 5549
-3901 4 v 0 5649 a Ff(3.3)82 b Fl(SSL)26 b Ff(\026)i(An)g(interface)g
-(to)f(the)g(SSL-sp)r(eci\034c)h(pa)n(rts)f(of)h(Op)r(enSSL)1611
-b(13)p eop end
+b(If)30 b(an)p 0 5549 3901 4 v 0 5649 a Ff(3.3)82 b Fl(SSL)26
+b Ff(\026)i(An)g(interface)g(to)f(the)g(SSL-sp)r(eci\034c)h(pa)n(rts)f
+(of)h(Op)r(enSSL)1611 b(13)p eop end
 %%Page: 14 14
-TeXDict begin 14 13 bop 208 83 a Fq(completed)25 b(and)g(false)h
-(otherwise)e(\(in)i(whic)n(h)g(case)e(y)n(ou)h(call)g
-Fl(recv\(\))e Fq(or)i Fl(send\(\))e Fq(when)j(the)g(connection)f(b)r
-(ecomes)208 183 y(readable/writeable.)0 330 y Fl(get_shutdown\(\))208
-429 y Fq(Get)70 b(the)g(sh)n(utdo)n(wn)f(state)g(of)h(the)g
-(Connection.)162 b(Returns)69 b(a)h(bitv)n(ector)e(of)i(either)f(or)g
-(b)r(oth)h(of)208 529 y Fc(SENT_SHUTDO)n(WN)39 b Fq(and)27
-b Fc(RECEIVED_SHUTDO)n(WN)14 b Fq(.)0 676 y Fl(set_shutdown\()p
-Fc(state)6 b Fl(\))208 775 y Fq(Set)21 b(the)g(sh)n(utdo)n(wn)g(state)g
-(of)g(the)g(Connection.)34 b Fc(state)27 b Fq(is)21 b(a)g(bitv)n(ector)
-f(of)h(either)g(or)f(b)r(oth)i(of)27 b Fc(SENT_SHUTDO)n(WN)208
-875 y Fq(and)g Fc(RECEIVED_SHUTDO)n(WN)14 b Fq(.)0 1022
-y Fl(sock_shutdown\()p Fc(how)9 b Fl(\))208 1121 y Fq(Call)27
-b(the)h Fl(shutdown)c Fq(metho)r(d)k(of)g(the)g(underlying)e(so)r(c)n
-(k)n(et.)0 1268 y Fl(state_string\(\))208 1368 y Fq(Retriev)n(e)g(a)i
-(v)n(erb)r(ose)e(string)g(detailing)i(the)g(state)f(of)h(the)f
-(Connection.)0 1515 y Fl(want_read\(\))208 1614 y Fq(Chec)n(ks)f(if)i
-(more)f(data)g(has)g(to)h(b)r(e)g(read)e(from)i(the)f(transp)r(ort)g
-(la)n(y)n(er)f(to)h(complete)h(an)f(op)r(eration.)0 1761
-y Fl(want_write\(\))208 1861 y Fq(Chec)n(ks)f(if)i(there)g(is)f(data)g
-(to)h(write)f(to)g(the)h(transp)r(ort)f(la)n(y)n(er)f(to)h(complete)h
-(an)f(op)r(eration.)0 2180 y Fr(4)114 b(Internals)0 2410
-y Fq(W)-7 b(e)25 b(ran)g(in)n(to)f(three)h(main)g(problems)f(dev)n
-(eloping)g(this:)36 b(Exceptions,)25 b(callbac)n(ks)f(and)h(accessing)e
-(so)r(c)n(k)n(et)h(metho)r(ds.)36 b(This)0 2509 y(is)27
-b(what)h(this)g(c)n(hapter)e(is)i(ab)r(out.)0 2787 y
-Fj(4.1)97 b(Exceptions)0 2987 y Fq(W)-7 b(e)52 b(realized)f(early)g
-(that)h(most)g(of)g(the)g(exceptions)f(w)n(ould)h(b)r(e)g(raised)f(b)n
-(y)h(the)g(I/O)f(functions)h(of)g(Op)r(enSSL,)0 3087
-y(so)d(it)i(felt)f(natural)f(to)h(mimic)g(Op)r(enSSL's)g(error)e(co)r
-(de)i(system,)55 b(translating)48 b(them)j(in)n(to)e(Python)i
-(exceptions.)0 3186 y(This)30 b(naturally)e(giv)n(es)h(us)h(the)g
+TeXDict begin 14 13 bop 208 83 a Fq(error)25 b(o)r(ccurs,)i(it's)h(imp)
+r(ossible)f(to)g(tell)h(ho)n(w)f(m)n(uc)n(h)h(data)f(has)g(b)r(een)h
+(sen)n(t.)0 230 y Fl(set_accept_state)o(\(\))208 330
+y Fq(Set)20 b(the)g(connection)f(to)h(w)n(ork)e(in)i(serv)n(er)e(mo)r
+(de.)34 b(The)20 b(handshak)n(e)f(will)h(b)r(e)g(handled)g
+(automatically)e(b)n(y)i(read/write.)0 476 y Fl(set_app_data\()p
+Fc(data)6 b Fl(\))208 576 y Fq(Asso)r(ciate)39 b Fc(data)47
+b Fq(with)40 b(this)g(Connection)g(ob)5 b(ject.)73 b
+Fc(data)47 b Fq(can)39 b(b)r(e)i(retriev)n(ed)d(later)h(using)h(the)g
+Fl(get_app_data)208 676 y Fq(metho)r(d.)0 823 y Fl(set_connect_stat)o
+(e\()o(\))208 922 y Fq(Set)21 b(the)g(connection)g(to)g(w)n(ork)e(in)i
+(clien)n(t)g(mo)r(de.)35 b(The)21 b(handshak)n(e)f(will)h(b)r(e)g
+(handled)g(automatically)f(b)n(y)h(read/write.)0 1069
+y Fl(setblocking\()p Fc(\035ag)7 b Fl(\))208 1169 y Fq(Call)27
+b(the)h Fl(setblocking)23 b Fq(metho)r(d)28 b(of)f(the)h(underlying)f
+(so)r(c)n(k)n(et.)0 1316 y Fl(setsockopt\()p Fc(level,)f(optname,)31
+b(value)6 b Fl(\))208 1415 y Fq(Call)27 b(the)h Fl(setsockopt)23
+b Fq(metho)r(d)28 b(of)g(the)g(underlying)f(so)r(c)n(k)n(et.)0
+1562 y Fl(shutdown\(\))208 1662 y Fq(Send)35 b(the)h(sh)n(utdo)n(wn)f
+(message)f(to)h(the)h(Connection.)60 b(Returns)35 b(true)g(if)h(the)g
+(sh)n(utdo)n(wn)e(message)g(exc)n(hange)g(is)208 1761
+y(completed)25 b(and)g(false)h(otherwise)e(\(in)i(whic)n(h)g(case)e(y)n
+(ou)h(call)g Fl(recv\(\))e Fq(or)i Fl(send\(\))e Fq(when)j(the)g
+(connection)f(b)r(ecomes)208 1861 y(readable/writeable.)0
+2008 y Fl(get_shutdown\(\))208 2107 y Fq(Get)70 b(the)g(sh)n(utdo)n(wn)
+f(state)g(of)h(the)g(Connection.)162 b(Returns)69 b(a)h(bitv)n(ector)e
+(of)i(either)f(or)g(b)r(oth)h(of)208 2207 y Fc(SENT_SHUTDO)n(WN)39
+b Fq(and)27 b Fc(RECEIVED_SHUTDO)n(WN)14 b Fq(.)0 2354
+y Fl(set_shutdown\()p Fc(state)6 b Fl(\))208 2454 y Fq(Set)21
+b(the)g(sh)n(utdo)n(wn)g(state)g(of)g(the)g(Connection.)34
+b Fc(state)27 b Fq(is)21 b(a)g(bitv)n(ector)f(of)h(either)g(or)f(b)r
+(oth)i(of)27 b Fc(SENT_SHUTDO)n(WN)208 2553 y Fq(and)g
+Fc(RECEIVED_SHUTDO)n(WN)14 b Fq(.)0 2700 y Fl(sock_shutdown\()p
+Fc(how)9 b Fl(\))208 2800 y Fq(Call)27 b(the)h Fl(shutdown)c
+Fq(metho)r(d)k(of)g(the)g(underlying)e(so)r(c)n(k)n(et.)0
+2946 y Fl(state_string\(\))208 3046 y Fq(Retriev)n(e)g(a)i(v)n(erb)r
+(ose)e(string)g(detailing)i(the)g(state)f(of)h(the)f(Connection.)0
+3193 y Fl(want_read\(\))208 3293 y Fq(Chec)n(ks)f(if)i(more)f(data)g
+(has)g(to)h(b)r(e)g(read)e(from)i(the)f(transp)r(ort)g(la)n(y)n(er)f
+(to)h(complete)h(an)f(op)r(eration.)0 3439 y Fl(want_write\(\))208
+3539 y Fq(Chec)n(ks)f(if)i(there)g(is)f(data)g(to)h(write)f(to)g(the)h
+(transp)r(ort)f(la)n(y)n(er)f(to)h(complete)h(an)f(op)r(eration.)0
+3861 y Fr(4)114 b(Internals)0 4090 y Fq(W)-7 b(e)25 b(ran)g(in)n(to)f
+(three)h(main)g(problems)f(dev)n(eloping)g(this:)36 b(Exceptions,)25
+b(callbac)n(ks)f(and)h(accessing)e(so)r(c)n(k)n(et)h(metho)r(ds.)36
+b(This)0 4190 y(is)27 b(what)h(this)g(c)n(hapter)e(is)i(ab)r(out.)0
+4469 y Fj(4.1)97 b(Exceptions)0 4670 y Fq(W)-7 b(e)52
+b(realized)f(early)g(that)h(most)g(of)g(the)g(exceptions)f(w)n(ould)h
+(b)r(e)g(raised)f(b)n(y)h(the)g(I/O)f(functions)h(of)g(Op)r(enSSL,)0
+4769 y(so)d(it)i(felt)f(natural)f(to)h(mimic)g(Op)r(enSSL's)g(error)e
+(co)r(de)i(system,)55 b(translating)48 b(them)j(in)n(to)e(Python)i
+(exceptions.)0 4869 y(This)30 b(naturally)e(giv)n(es)h(us)h(the)g
 (exceptions)f Fl(SSL.ZeroReturnEr)o(ro)o(r)p Fq(,)24
 b Fl(SSL.WantReadError)o Fq(,)h Fl(SSL.WantWriteEr)o(ro)o(r)p
-Fq(,)0 3286 y Fl(SSL.WantX509Look)o(up)o(Err)o(or)c Fq(and)27
-b Fl(SSL.SysCallError)p Fq(.)0 3433 y(F)-7 b(or)27 b(more)g
-(information)g(ab)r(out)g(this,)h(see)f(section)g(3.3.)0
-3710 y Fj(4.2)97 b(Callbacks)0 3911 y Fq(There)34 b(are)f(a)h(n)n(um)n
-(b)r(er)g(of)h(problems)e(with)i(callbac)n(ks.)56 b(First)34
-b(of)g(all,)i(Op)r(enSSL)f(is)f(written)h(as)e(a)h(C)h(library)-7
-b(,)34 b(it's)h(not)0 4010 y(mean)n(t)26 b(to)g(ha)n(v)n(e)e(Python)j
-(callbac)n(ks,)d(so)i(a)f(w)n(a)n(y)g(around)g(that)h(is)g(needed.)36
-b(Another)26 b(problem)f(is)h(thread)g(supp)r(ort.)36
-b(A)26 b(lot)0 4110 y(of)h(the)g(Op)r(enSSL)g(I/O)e(functions)i(can)g
-(blo)r(c)n(k)f(if)h(the)g(so)r(c)n(k)n(et)f(is)g(in)h(blo)r(c)n(king)f
-(mo)r(de,)h(and)g(then)g(y)n(ou)f(w)n(an)n(t)g(other)g(Python)0
-4210 y(threads)i(to)g(b)r(e)h(able)g(to)f(do)h(other)f(things.)40
-b(The)28 b(real)g(trouble)g(is)h(if)g(y)n(ou'v)n(e)e(released)h(the)h
-(global)e(CPython)i(in)n(terpreter)0 4309 y(lo)r(c)n(k)e(to)h(do)f(a)h
-(p)r(oten)n(tially)f(blo)r(c)n(king)g(op)r(eration,)g(and)h(the)g(op)r
-(eration)f(calls)g(a)g(callbac)n(k.)36 b(Then)28 b(w)n(e)g(m)n(ust)g
-(tak)n(e)f(the)h(GIL)0 4409 y(bac)n(k,)f(since)g(calling)g(Python)h
-(APIs)g(without)g(holding)f(it)h(is)g(not)f(allo)n(w)n(ed.)0
-4556 y(There)d(are)f(t)n(w)n(o)g(solutions)h(to)g(the)h(\034rst)f
-(problem,)g(b)r(oth)h(of)f(whic)n(h)g(are)f(necessary)-7
-b(.)34 b(The)25 b(\034rst)f(solution)f(to)h(use)h(is)f(if)g(the)h(C)0
-4655 y(callbac)n(k)i(allo)n(ws)f(\021userdata\021)33
-b(to)28 b(b)r(e)h(passed)e(to)h(it)g(\(an)g(arbitrary)e(p)r(oin)n(ter)i
-(normally\).)37 b(This)28 b(is)g(great!)37 b(W)-7 b(e)28
-b(can)g(set)g(our)0 4755 y(Python)i(function)g(ob)5 b(ject)29
-b(as)f(the)i(real)f(userdata)f(and)h(em)n(ulate)g(userdata)f(for)h(the)
-h(Python)f(function)h(in)g(another)e(w)n(a)n(y)-7 b(.)0
-4855 y(The)24 b(other)g(solution)g(can)g(b)r(e)h(used)g(if)g(an)f(ob)5
-b(ject)24 b(with)h(an)f(\021app_data\021)29 b(system)c(alw)n(a)n(ys)d
-(is)j(passed)e(to)h(the)h(callbac)n(k.)35 b(F)-7 b(or)0
-4954 y(example,)26 b(the)h(SSL)f(ob)5 b(ject)26 b(in)h(Op)r(enSSL)f
-(has)g(app_data)f(functions)i(and)f(in)h(e.g.)36 b(the)26
-b(v)n(eri\034cation)f(callbac)n(ks,)g(y)n(ou)g(can)0
-5054 y(retriev)n(e)i(the)i(related)f(SSL)h(ob)5 b(ject.)39
-b(What)29 b(w)n(e)g(do)f(is)g(to)h(set)f(our)g(wrapp)r(er)g
-Fl(Connection)c Fq(ob)5 b(ject)28 b(as)g(app_data)g(for)g(the)0
-5154 y(SSL)g(ob)5 b(ject,)27 b(and)h(w)n(e)f(can)g(easily)g(\034nd)h
-(the)g(Python)g(callbac)n(k.)0 5300 y(The)23 b(other)g(problem)g(is)g
-(solv)n(ed)f(using)h(thread)g(lo)r(cal)g(v)-5 b(ariables.)34
-b(Whenev)n(er)22 b(the)i(GIL)g(is)f(released)f(b)r(efore)h(calling)f
-(in)n(to)h(an)0 5400 y(Op)r(enSSL)j(API,)g(the)g(PyThreadState)f(p)r
-(oin)n(ter)g(returned)g(b)n(y)h Fl(PyEval_SaveState)19
-b Fq(is)25 b(stored)g(in)g(a)g(global)g(thread)g(lo)r(cal)p
+Fq(,)0 4969 y Fl(SSL.WantX509Look)o(up)o(Err)o(or)c Fq(and)27
+b Fl(SSL.SysCallError)p Fq(.)0 5115 y(F)-7 b(or)27 b(more)g
+(information)g(ab)r(out)g(this,)h(see)f(section)g(3.3.)p
 0 5549 3901 4 v 0 5649 a Ff(14)3368 b(4)83 b(Internals)p
 eop end
 %%Page: 15 15
-TeXDict begin 15 14 bop 0 83 a Fq(v)-5 b(ariable)27 b(\(using)g
-(Python's)h(o)n(wn)f(TLS)h(API,)g Fl(PyThread_set_key_)o(va)o(lue)o
-Fq(\).)k(When)c(it)g(is)g(necessary)e(to)h(re-acquire)f(the)0
-183 y(GIL,)c(either)g(after)g(the)h(Op)r(enSSL)f(API)h(returns)e(or)h
-(in)g(a)g(C)g(callbac)n(k)f(in)n(v)n(ok)n(ed)f(b)n(y)i(that)h(Op)r
-(enSSL)f(API,)h(the)g(v)-5 b(alue)22 b(of)g(the)0 282
-y(thread)32 b(lo)r(cal)f(v)-5 b(ariable)32 b(is)g(retriev)n(ed)f(\()p
-Fl(PyThread_get_key)o(_va)o(lu)o(e)p Fq(\))26 b(and)33
-b(used)f(to)g(re-acquire)e(the)j(GIL.)f(This)h(allo)n(ws)0
-382 y(Python)f(threads)e(to)h(execute)h(while)f(Op)r(enSSL)g(APIs)h
-(are)f(running)f(and)i(allo)n(ws)e(use)h(of)g(an)n(y)f(particular)g(p)n
-(yOp)r(enSSL)0 482 y(ob)5 b(ject)29 b(from)f(an)n(y)g(Python)i(thread,)
-e(since)h(there)g(is)g(no)f(p)r(er-thread)g(state)h(asso)r(ciated)f
-(with)h(an)n(y)f(of)h(these)g(ob)5 b(jects)28 b(and)0
-581 y(since)f(Op)r(enSSL)h(is)g(threadsafe)e(\(as)h(long)g(as)g(prop)r
-(erly)g(initialized,)g(as)g(p)n(yOp)r(enSSL)h(initializes)f(it\).)0
-861 y Fj(4.3)97 b(A)m(cessing)35 b(So)s(ck)m(et)e(Metho)s(ds)0
-1061 y Fq(W)-7 b(e)27 b(quic)n(kly)e(sa)n(w)h(the)g(b)r(ene\034t)h(of)g
-(wrapping)e(so)r(c)n(k)n(et)g(metho)r(ds)h(in)h(the)g
-Fl(SSL.Connection)20 b Fq(class,)26 b(for)g(an)g(easy)f(transition)0
-1161 y(in)n(to)e(using)f(SSL.)h(The)g(problem)f(here)h(is)f(that)h(the)
-h Fl(socket)c Fq(mo)r(dule)j(lac)n(ks)f(a)g(C)h(API,)h(and)e(all)h(the)
-g(metho)r(ds)g(are)f(declared)0 1261 y(static.)36 b(One)27
-b(approac)n(h)d(w)n(ould)i(b)r(e)h(to)f(ha)n(v)n(e)g
-Fl(OpenSSL)d Fq(as)j(a)g(submo)r(dule)h(to)f(the)h Fl(socket)d
-Fq(mo)r(dule,)j(placing)f(all)g(the)h(co)r(de)0 1360
-y(in)j(`)p Fp(so)r(ck)n(etmo)r(dule.c)p Fq(',)h(but)f(this)g(is)g(ob)n
-(viously)e(not)i(a)f(go)r(o)r(d)g(solution,)h(since)g(y)n(ou)f(migh)n
-(t)g(not)h(w)n(an)n(t)f(to)h(imp)r(ort)g(tonnes)f(of)0
-1460 y(extra)f(stu\033)h(y)n(ou're)e(not)i(going)e(to)i(use)f(when)h
+TeXDict begin 15 14 bop 0 83 a Fj(4.2)97 b(Callbacks)0
+283 y Fq(There)34 b(are)f(a)h(n)n(um)n(b)r(er)g(of)h(problems)e(with)i
+(callbac)n(ks.)56 b(First)34 b(of)g(all,)i(Op)r(enSSL)f(is)f(written)h
+(as)e(a)h(C)h(library)-7 b(,)34 b(it's)h(not)0 383 y(mean)n(t)26
+b(to)g(ha)n(v)n(e)e(Python)j(callbac)n(ks,)d(so)i(a)f(w)n(a)n(y)g
+(around)g(that)h(is)g(needed.)36 b(Another)26 b(problem)f(is)h(thread)g
+(supp)r(ort.)36 b(A)26 b(lot)0 483 y(of)h(the)g(Op)r(enSSL)g(I/O)e
+(functions)i(can)g(blo)r(c)n(k)f(if)h(the)g(so)r(c)n(k)n(et)f(is)g(in)h
+(blo)r(c)n(king)f(mo)r(de,)h(and)g(then)g(y)n(ou)f(w)n(an)n(t)g(other)g
+(Python)0 582 y(threads)i(to)g(b)r(e)h(able)g(to)f(do)h(other)f
+(things.)40 b(The)28 b(real)g(trouble)g(is)h(if)g(y)n(ou'v)n(e)e
+(released)h(the)h(global)e(CPython)i(in)n(terpreter)0
+682 y(lo)r(c)n(k)e(to)h(do)f(a)h(p)r(oten)n(tially)f(blo)r(c)n(king)g
+(op)r(eration,)g(and)h(the)g(op)r(eration)f(calls)g(a)g(callbac)n(k.)36
+b(Then)28 b(w)n(e)g(m)n(ust)g(tak)n(e)f(the)h(GIL)0 782
+y(bac)n(k,)f(since)g(calling)g(Python)h(APIs)g(without)g(holding)f(it)h
+(is)g(not)f(allo)n(w)n(ed.)0 929 y(There)d(are)f(t)n(w)n(o)g(solutions)
+h(to)g(the)h(\034rst)f(problem,)g(b)r(oth)h(of)f(whic)n(h)g(are)f
+(necessary)-7 b(.)34 b(The)25 b(\034rst)f(solution)f(to)h(use)h(is)f
+(if)g(the)h(C)0 1028 y(callbac)n(k)i(allo)n(ws)f(\021userdata\021)33
+b(to)28 b(b)r(e)h(passed)e(to)h(it)g(\(an)g(arbitrary)e(p)r(oin)n(ter)i
+(normally\).)37 b(This)28 b(is)g(great!)37 b(W)-7 b(e)28
+b(can)g(set)g(our)0 1128 y(Python)i(function)g(ob)5 b(ject)29
+b(as)f(the)i(real)f(userdata)f(and)h(em)n(ulate)g(userdata)f(for)h(the)
+h(Python)f(function)h(in)g(another)e(w)n(a)n(y)-7 b(.)0
+1227 y(The)24 b(other)g(solution)g(can)g(b)r(e)h(used)g(if)g(an)f(ob)5
+b(ject)24 b(with)h(an)f(\021app_data\021)29 b(system)c(alw)n(a)n(ys)d
+(is)j(passed)e(to)h(the)h(callbac)n(k.)35 b(F)-7 b(or)0
+1327 y(example,)26 b(the)h(SSL)f(ob)5 b(ject)26 b(in)h(Op)r(enSSL)f
+(has)g(app_data)f(functions)i(and)f(in)h(e.g.)36 b(the)26
+b(v)n(eri\034cation)f(callbac)n(ks,)g(y)n(ou)g(can)0
+1427 y(retriev)n(e)i(the)i(related)f(SSL)h(ob)5 b(ject.)39
+b(What)29 b(w)n(e)g(do)f(is)g(to)h(set)f(our)g(wrapp)r(er)g
+Fl(Connection)c Fq(ob)5 b(ject)28 b(as)g(app_data)g(for)g(the)0
+1526 y(SSL)g(ob)5 b(ject,)27 b(and)h(w)n(e)f(can)g(easily)g(\034nd)h
+(the)g(Python)g(callbac)n(k.)0 1673 y(The)23 b(other)g(problem)g(is)g
+(solv)n(ed)f(using)h(thread)g(lo)r(cal)g(v)-5 b(ariables.)34
+b(Whenev)n(er)22 b(the)i(GIL)g(is)f(released)f(b)r(efore)h(calling)f
+(in)n(to)h(an)0 1773 y(Op)r(enSSL)j(API,)g(the)g(PyThreadState)f(p)r
+(oin)n(ter)g(returned)g(b)n(y)h Fl(PyEval_SaveState)19
+b Fq(is)25 b(stored)g(in)g(a)g(global)g(thread)g(lo)r(cal)0
+1872 y(v)-5 b(ariable)27 b(\(using)g(Python's)h(o)n(wn)f(TLS)h(API,)g
+Fl(PyThread_set_key_)o(va)o(lue)o Fq(\).)k(When)c(it)g(is)g(necessary)e
+(to)h(re-acquire)f(the)0 1972 y(GIL,)c(either)g(after)g(the)h(Op)r
+(enSSL)f(API)h(returns)e(or)h(in)g(a)g(C)g(callbac)n(k)f(in)n(v)n(ok)n
+(ed)f(b)n(y)i(that)h(Op)r(enSSL)f(API,)h(the)g(v)-5 b(alue)22
+b(of)g(the)0 2072 y(thread)32 b(lo)r(cal)f(v)-5 b(ariable)32
+b(is)g(retriev)n(ed)f(\()p Fl(PyThread_get_key)o(_va)o(lu)o(e)p
+Fq(\))26 b(and)33 b(used)f(to)g(re-acquire)e(the)j(GIL.)f(This)h(allo)n
+(ws)0 2171 y(Python)f(threads)e(to)h(execute)h(while)f(Op)r(enSSL)g
+(APIs)h(are)f(running)f(and)i(allo)n(ws)e(use)h(of)g(an)n(y)f
+(particular)g(p)n(yOp)r(enSSL)0 2271 y(ob)5 b(ject)29
+b(from)f(an)n(y)g(Python)i(thread,)e(since)h(there)g(is)g(no)f(p)r
+(er-thread)g(state)h(asso)r(ciated)f(with)h(an)n(y)f(of)h(these)g(ob)5
+b(jects)28 b(and)0 2371 y(since)f(Op)r(enSSL)h(is)g(threadsafe)e(\(as)h
+(long)g(as)g(prop)r(erly)g(initialized,)g(as)g(p)n(yOp)r(enSSL)h
+(initializes)f(it\).)0 2650 y Fj(4.3)97 b(A)m(cessing)35
+b(So)s(ck)m(et)e(Metho)s(ds)0 2851 y Fq(W)-7 b(e)27 b(quic)n(kly)e(sa)n
+(w)h(the)g(b)r(ene\034t)h(of)g(wrapping)e(so)r(c)n(k)n(et)g(metho)r(ds)
+h(in)h(the)g Fl(SSL.Connection)20 b Fq(class,)26 b(for)g(an)g(easy)f
+(transition)0 2950 y(in)n(to)e(using)f(SSL.)h(The)g(problem)f(here)h
+(is)f(that)h(the)h Fl(socket)c Fq(mo)r(dule)j(lac)n(ks)f(a)g(C)h(API,)h
+(and)e(all)h(the)g(metho)r(ds)g(are)f(declared)0 3050
+y(static.)36 b(One)27 b(approac)n(h)d(w)n(ould)i(b)r(e)h(to)f(ha)n(v)n
+(e)g Fl(OpenSSL)d Fq(as)j(a)g(submo)r(dule)h(to)f(the)h
+Fl(socket)d Fq(mo)r(dule,)j(placing)f(all)g(the)h(co)r(de)0
+3149 y(in)j(`)p Fp(so)r(ck)n(etmo)r(dule.c)p Fq(',)h(but)f(this)g(is)g
+(ob)n(viously)e(not)i(a)f(go)r(o)r(d)g(solution,)h(since)g(y)n(ou)f
+(migh)n(t)g(not)h(w)n(an)n(t)f(to)h(imp)r(ort)g(tonnes)f(of)0
+3249 y(extra)f(stu\033)h(y)n(ou're)e(not)i(going)e(to)i(use)f(when)h
 (imp)r(orting)f(the)i Fl(socket)c Fq(mo)r(dule.)40 b(The)29
-b(other)f(approac)n(h)e(is)j(to)f(someho)n(w)0 1559 y(get)33
+b(other)f(approac)n(h)e(is)j(to)f(someho)n(w)0 3349 y(get)33
 b(a)g(p)r(oin)n(ter)g(to)h(the)f(metho)r(d)h(to)g(b)r(e)f(called,)i
 (either)e(the)h(C)g(function,)h(or)e(a)g(callable)f(Python)i(ob)5
-b(ject.)54 b(This)34 b(is)f(not)0 1659 y(really)26 b(a)i(go)r(o)r(d)f
+b(ject.)54 b(This)34 b(is)f(not)0 3448 y(really)26 b(a)i(go)r(o)r(d)f
 (solution)g(either,)g(since)g(there's)h(a)f(lot)g(of)h(lo)r(okups)f(in)
-n(v)n(olv)n(ed.)0 1806 y(The)h(w)n(a)n(y)f(it)h(w)n(orks)e(is)i(that)h
+n(v)n(olv)n(ed.)0 3595 y(The)h(w)n(a)n(y)f(it)h(w)n(orks)e(is)i(that)h
 (y)n(ou)e(ha)n(v)n(e)g(to)g(supply)h(a)g(\020)7 b Fl(socket)p
 Fq(-lik)n(e\021)31 b(transp)r(ort)c(ob)5 b(ject)28 b(to)f(the)i
-Fl(SSL.Connection)p Fq(.)j(The)0 1906 y(only)24 b(requiremen)n(t)f(of)i
+Fl(SSL.Connection)p Fq(.)j(The)0 3695 y(only)24 b(requiremen)n(t)f(of)i
 (this)f(ob)5 b(ject)24 b(is)h(that)f(it)h(has)f(a)g Fl(fileno\(\))d
 Fq(metho)r(d)k(that)f(returns)g(a)g(\034le)g(descriptor)f(that's)i(v)-5
-b(alid)24 b(at)0 2005 y(the)g(C)g(lev)n(el)f(\(i.e.)36
+b(alid)24 b(at)0 3794 y(the)g(C)g(lev)n(el)f(\(i.e.)36
 b(y)n(ou)23 b(can)h(use)f(the)i(system)e(calls)g(read)g(and)h(write\).)
 35 b(If)25 b(y)n(ou)e(w)n(an)n(t)g(to)h(use)f(the)h Fl(connect\(\))c
-Fq(or)j Fl(accept\(\))0 2105 y Fq(metho)r(ds)29 b(of)h(the)f
+Fq(or)j Fl(accept\(\))0 3894 y Fq(metho)r(ds)29 b(of)h(the)f
 Fl(SSL.Connection)24 b Fq(ob)5 b(ject,)29 b(the)h(transp)r(ort)e(ob)5
 b(ject)29 b(has)f(to)h(supply)h(suc)n(h)f(metho)r(ds)g(to)r(o.)41
-b(Apart)29 b(from)0 2204 y(them,)c(an)n(y)e(metho)r(d)h(lo)r(okups)f
+b(Apart)29 b(from)0 3994 y(them,)c(an)n(y)e(metho)r(d)h(lo)r(okups)f
 (in)h(the)f Fl(SSL.Connection)18 b Fq(ob)5 b(ject)24
 b(that)f(fail)h(are)f(passed)f(on)i(to)f(the)h(underlying)f(transp)r
-(ort)0 2304 y(ob)5 b(ject.)0 2451 y(F)-7 b(uture)25 b(c)n(hanges)f
+(ort)0 4093 y(ob)5 b(ject.)0 4240 y(F)-7 b(uture)25 b(c)n(hanges)f
 (migh)n(t)h(b)r(e)g(to)g(allo)n(w)f(Python-lev)n(el)g(transp)r(ort)g
 (ob)5 b(jects,)25 b(that)g(instead)g(of)g(ha)n(ving)g
-Fl(fileno\(\))d Fq(metho)r(ds,)0 2551 y(ha)n(v)n(e)h
+Fl(fileno\(\))d Fq(metho)r(ds,)0 4340 y(ha)n(v)n(e)h
 Fl(read\(\))g Fq(and)h Fl(write\(\))e Fq(metho)r(ds,)k(so)e(more)f(adv)
 -5 b(anced)24 b(features)h(of)f(Python)h(can)g(b)r(e)g(used.)35
-b(This)25 b(w)n(ould)f(probably)0 2650 y(en)n(tail)36
+b(This)25 b(w)n(ould)f(probably)0 4439 y(en)n(tail)36
 b(some)g(sort)g(of)g(Op)r(enSSL)h(\020BIOs\021,)g(but)g(con)n(v)n
 (erting)e(Python)i(strings)e(bac)n(k)h(and)g(forth)g(is)h(exp)r(ensiv)n
-(e,)h(so)e(this)0 2750 y(shouldn't)f(b)r(e)h(used)f(unless)g(necessary)
+(e,)h(so)e(this)0 4539 y(shouldn't)f(b)r(e)h(used)f(unless)g(necessary)
 -7 b(.)57 b(Other)35 b(nice)g(things)g(w)n(ould)g(b)r(e)g(to)g(b)r(e)h
 (able)e(to)h(pass)g(in)g(di\033eren)n(t)g(transp)r(ort)0
-2849 y(ob)5 b(jects)41 b(for)g(reading)f(and)h(writing,)j(but)e(then)g
+4639 y(ob)5 b(jects)41 b(for)g(reading)f(and)h(writing,)j(but)e(then)g
 (the)g Fl(fileno\(\))c Fq(metho)r(d)k(of)47 b Fl(SSL.Connection)36
-b Fq(b)r(ecomes)41 b(virtually)0 2949 y(useless.)36 b(Also,)27
+b Fq(b)r(ecomes)41 b(virtually)0 4738 y(useless.)36 b(Also,)27
 b(should)h(the)g(metho)r(d)g(resolution)e(b)r(e)i(used)g(on)f(the)h
 (read-transp)r(ort)d(or)i(the)h(write-transp)r(ort?)p
-0 5549 3901 4 v 0 5649 a Ff(4.3)82 b(A)n(cessing)26 b(So)r(ck)n(et)h
-(Metho)r(ds)2744 b(15)p eop end
+0 5549 3901 4 v 0 5649 a Ff(4.2)82 b(Callbacks)3302 b(15)p
+eop end
 %%Trailer
 
 userdict /end-hook known{end-hook}if