diff options
Diffstat (limited to 'secure/lib/libssl/man/SSL_CTX_new.3')
| -rw-r--r-- | secure/lib/libssl/man/SSL_CTX_new.3 | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/secure/lib/libssl/man/SSL_CTX_new.3 b/secure/lib/libssl/man/SSL_CTX_new.3 new file mode 100644 index 0000000..437ba24 --- /dev/null +++ b/secure/lib/libssl/man/SSL_CTX_new.3 @@ -0,0 +1,287 @@ +.\" Automatically generated by Pod::Man 2.28 (Pod::Simple 3.30) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. Capital omega is used to do unbreakable dashes and +.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, +.\" nothing in troff, for use with C<>. +.tr \(*W- +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +. ds C` +. ds C' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is turned on, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.\" +.\" Avoid warning from groff about undefined register 'F'. +.de IX +.. +.nr rF 0 +.if \n(.g .if rF .nr rF 1 +.if (\n(rF:(\n(.g==0)) \{ +. if \nF \{ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. if !\nF==2 \{ +. nr % 0 +. nr F 2 +. \} +. \} +.\} +.rr rF +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "SSL_CTX_new 3" +.TH SSL_CTX_new 3 "2016-03-01" "1.0.2g" "OpenSSL" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +SSL_CTX_new, +SSLv23_method, SSLv23_server_method, SSLv23_client_method, +TLSv1_2_method, TLSv1_2_server_method, TLSv1_2_client_method, +TLSv1_1_method, TLSv1_1_server_method, TLSv1_1_client_method, +TLSv1_method, TLSv1_server_method, TLSv1_client_method, +SSLv3_method, SSLv3_server_method, SSLv3_client_method, +SSLv2_method, SSLv2_server_method, SSLv2_client_method, +DTLS_method, DTLS_server_method, DTLS_client_method, +DTLSv1_2_method, DTLSv1_2_server_method, DTLSv1_2_client_method, +DTLSv1_method, DTLSv1_server_method, DTLSv1_client_method \- +create a new SSL_CTX object as framework for TLS/SSL enabled functions +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/ssl.h> +\& +\& SSL_CTX *SSL_CTX_new(const SSL_METHOD *method); +\& const SSL_METHOD *SSLv23_method(void); +\& const SSL_METHOD *SSLv23_server_method(void); +\& const SSL_METHOD *SSLv23_client_method(void); +\& const SSL_METHOD *TLSv1_2_method(void); +\& const SSL_METHOD *TLSv1_2_server_method(void); +\& const SSL_METHOD *TLSv1_2_client_method(void); +\& const SSL_METHOD *TLSv1_1_method(void); +\& const SSL_METHOD *TLSv1_1_server_method(void); +\& const SSL_METHOD *TLSv1_1_client_method(void); +\& const SSL_METHOD *TLSv1_method(void); +\& const SSL_METHOD *TLSv1_server_method(void); +\& const SSL_METHOD *TLSv1_client_method(void); +\& #ifndef OPENSSL_NO_SSL3_METHOD +\& const SSL_METHOD *SSLv3_method(void); +\& const SSL_METHOD *SSLv3_server_method(void); +\& const SSL_METHOD *SSLv3_client_method(void); +\& #endif +\& #ifndef OPENSSL_NO_SSL2 +\& const SSL_METHOD *SSLv2_method(void); +\& const SSL_METHOD *SSLv2_server_method(void); +\& const SSL_METHOD *SSLv2_client_method(void); +\& #endif +\& +\& const SSL_METHOD *DTLS_method(void); +\& const SSL_METHOD *DTLS_server_method(void); +\& const SSL_METHOD *DTLS_client_method(void); +\& const SSL_METHOD *DTLSv1_2_method(void); +\& const SSL_METHOD *DTLSv1_2_server_method(void); +\& const SSL_METHOD *DTLSv1_2_client_method(void); +\& const SSL_METHOD *DTLSv1_method(void); +\& const SSL_METHOD *DTLSv1_server_method(void); +\& const SSL_METHOD *DTLSv1_client_method(void); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fISSL_CTX_new()\fR creates a new \fB\s-1SSL_CTX\s0\fR object as framework to establish +\&\s-1TLS/SSL\s0 enabled connections. +.SH "NOTES" +.IX Header "NOTES" +The \s-1SSL_CTX\s0 object uses \fBmethod\fR as connection method. The methods exist +in a generic type (for client and server use), a server only type, and a +client only type. \fBmethod\fR can be of the following types: +.IP "\fISSLv23_method()\fR, \fISSLv23_server_method()\fR, \fISSLv23_client_method()\fR" 4 +.IX Item "SSLv23_method(), SSLv23_server_method(), SSLv23_client_method()" +These are the general-purpose \fIversion-flexible\fR \s-1SSL/TLS\s0 methods. +The actual protocol version used will be negotiated to the highest version +mutually supported by the client and the server. +The supported protocols are SSLv2, SSLv3, TLSv1, TLSv1.1 and TLSv1.2. +Most applications should use these method, and avoid the version specific +methods described below. +.Sp +The list of protocols available can be further limited using the +\&\fBSSL_OP_NO_SSLv2\fR, \fBSSL_OP_NO_SSLv3\fR, \fBSSL_OP_NO_TLSv1\fR, +\&\fBSSL_OP_NO_TLSv1_1\fR and \fBSSL_OP_NO_TLSv1_2\fR options of the +\&\fISSL_CTX_set_options\fR\|(3) or \fISSL_set_options\fR\|(3) functions. +Clients should avoid creating \*(L"holes\*(R" in the set of protocols they support, +when disabling a protocol, make sure that you also disable either all previous +or all subsequent protocol versions. +In clients, when a protocol version is disabled without disabling \fIall\fR +previous protocol versions, the effect is to also disable all subsequent +protocol versions. +.Sp +The SSLv2 and SSLv3 protocols are deprecated and should generally not be used. +Applications should typically use \fISSL_CTX_set_options\fR\|(3) in combination with +the \fBSSL_OP_NO_SSLv3\fR flag to disable negotiation of SSLv3 via the above +\&\fIversion-flexible\fR \s-1SSL/TLS\s0 methods. +The \fBSSL_OP_NO_SSLv2\fR option is set by default, and would need to be cleared +via \fISSL_CTX_clear_options\fR\|(3) in order to enable negotiation of SSLv2. +.IP "\fITLSv1_2_method()\fR, \fITLSv1_2_server_method()\fR, \fITLSv1_2_client_method()\fR" 4 +.IX Item "TLSv1_2_method(), TLSv1_2_server_method(), TLSv1_2_client_method()" +A \s-1TLS/SSL\s0 connection established with these methods will only understand the +TLSv1.2 protocol. A client will send out TLSv1.2 client hello messages and +will also indicate that it only understand TLSv1.2. A server will only +understand TLSv1.2 client hello messages. +.IP "\fITLSv1_1_method()\fR, \fITLSv1_1_server_method()\fR, \fITLSv1_1_client_method()\fR" 4 +.IX Item "TLSv1_1_method(), TLSv1_1_server_method(), TLSv1_1_client_method()" +A \s-1TLS/SSL\s0 connection established with these methods will only understand the +TLSv1.1 protocol. A client will send out TLSv1.1 client hello messages and +will also indicate that it only understand TLSv1.1. A server will only +understand TLSv1.1 client hello messages. +.IP "\fITLSv1_method()\fR, \fITLSv1_server_method()\fR, \fITLSv1_client_method()\fR" 4 +.IX Item "TLSv1_method(), TLSv1_server_method(), TLSv1_client_method()" +A \s-1TLS/SSL\s0 connection established with these methods will only understand the +TLSv1 protocol. A client will send out TLSv1 client hello messages and will +indicate that it only understands TLSv1. A server will only understand TLSv1 +client hello messages. +.IP "\fISSLv3_method()\fR, \fISSLv3_server_method()\fR, \fISSLv3_client_method()\fR" 4 +.IX Item "SSLv3_method(), SSLv3_server_method(), SSLv3_client_method()" +A \s-1TLS/SSL\s0 connection established with these methods will only understand the +SSLv3 protocol. A client will send out SSLv3 client hello messages and will +indicate that it only understands SSLv3. A server will only understand SSLv3 +client hello messages. The SSLv3 protocol is deprecated and should not be +used. +.IP "\fISSLv2_method()\fR, \fISSLv2_server_method()\fR, \fISSLv2_client_method()\fR" 4 +.IX Item "SSLv2_method(), SSLv2_server_method(), SSLv2_client_method()" +A \s-1TLS/SSL\s0 connection established with these methods will only understand the +SSLv2 protocol. A client will send out SSLv2 client hello messages and will +also indicate that it only understand SSLv2. A server will only understand +SSLv2 client hello messages. The SSLv2 protocol offers little to no security +and should not be used. +As of OpenSSL 1.0.2g, \s-1EXPORT\s0 ciphers and 56\-bit \s-1DES\s0 are no longer available +with SSLv2. +.IP "\fIDTLS_method()\fR, \fIDTLS_server_method()\fR, \fIDTLS_client_method()\fR" 4 +.IX Item "DTLS_method(), DTLS_server_method(), DTLS_client_method()" +These are the version-flexible \s-1DTLS\s0 methods. +.IP "\fIDTLSv1_2_method()\fR, \fIDTLSv1_2_server_method()\fR, \fIDTLSv1_2_client_method()\fR" 4 +.IX Item "DTLSv1_2_method(), DTLSv1_2_server_method(), DTLSv1_2_client_method()" +These are the version-specific methods for DTLSv1.2. +.IP "\fIDTLSv1_method()\fR, \fIDTLSv1_server_method()\fR, \fIDTLSv1_client_method()\fR" 4 +.IX Item "DTLSv1_method(), DTLSv1_server_method(), DTLSv1_client_method()" +These are the version-specific methods for DTLSv1. +.PP +\&\fISSL_CTX_new()\fR initializes the list of ciphers, the session cache setting, the +callbacks, the keys and certificates and the options to its default values. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +The following return values can occur: +.IP "\s-1NULL\s0" 4 +.IX Item "NULL" +The creation of a new \s-1SSL_CTX\s0 object failed. Check the error stack to find out +the reason. +.IP "Pointer to an \s-1SSL_CTX\s0 object" 4 +.IX Item "Pointer to an SSL_CTX object" +The return value points to an allocated \s-1SSL_CTX\s0 object. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fISSL_CTX_set_options\fR\|(3), \fISSL_CTX_clear_options\fR\|(3), \fISSL_set_options\fR\|(3), +\&\fISSL_CTX_free\fR\|(3), \fISSL_accept\fR\|(3), +\&\fIssl\fR\|(3), \fISSL_set_connect_state\fR\|(3) |
