php-doc-en/reference/openssl/constants.xml
Sherif Ramadan 1cd5fc7fae Documenting MD2 and EC openssl constants
Patch by Mark Jones - mark@zedwood.com


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@329005 c90b9560-bf6c-de11-be94-00142212c4b1
2013-01-07 21:03:09 +00:00

603 lines
16 KiB
XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<appendix xml:id="openssl.constants" xmlns="http://docbook.org/ns/docbook">
&reftitle.constants;
&extension.constants;
<section xml:id="openssl.purpose-check">
<title>Purpose checking flags</title>
<variablelist>
<varlistentry xml:id="constant.x509-purpose-ssl-client">
<term>
<constant>X509_PURPOSE_SSL_CLIENT</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.x509-purpose-ssl-server">
<term>
<constant>X509_PURPOSE_SSL_SERVER</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.x509-purpose-ns-ssl-server">
<term>
<constant>X509_PURPOSE_NS_SSL_SERVER</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.x509-purpose-smime-sign">
<term>
<constant>X509_PURPOSE_SMIME_SIGN</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.x509-purpose-smime-encrypt">
<term>
<constant>X509_PURPOSE_SMIME_ENCRYPT</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.x509-purpose-crl-sign">
<term>
<constant>X509_PURPOSE_CRL_SIGN</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.x509-purpose-any">
<term>
<constant>X509_PURPOSE_ANY</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
</variablelist>
</section>
<section xml:id="openssl.padding">
<title>Padding flags for asymmetric encryption</title>
<variablelist>
<varlistentry xml:id="constant.openssl-pkcs1-padding">
<term>
<constant>OPENSSL_PKCS1_PADDING</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-sslv23-padding">
<term>
<constant>OPENSSL_SSLV23_PADDING</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-no-padding">
<term>
<constant>OPENSSL_NO_PADDING</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-pkcs1-oaep-padding">
<term>
<constant>OPENSSL_PKCS1_OAEP_PADDING</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
</variablelist>
</section>
<section xml:id="openssl.key-types">
<title>Key types</title>
<variablelist>
<varlistentry xml:id="constant.openssl-keytype-rsa">
<term>
<constant>OPENSSL_KEYTYPE_RSA</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-keytype-dsa">
<term>
<constant>OPENSSL_KEYTYPE_DSA</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-keytype-dh">
<term>
<constant>OPENSSL_KEYTYPE_DH</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-keytype-ec">
<term>
<constant>OPENSSL_KEYTYPE_EC</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
This constant is only available when PHP is compiled with OpenSSL 0.9.8+.
</simpara>
</listitem>
</varlistentry>
</variablelist>
<note>
<para>This constant was added in 5.2.0.</para>
<para>
<constant>OPENSSL_KEYTYPE_EC</constant>
</para>
</note>
</section>
<section xml:id="openssl.pkcs7.flags">
<title><acronym>PKCS7</acronym> Flags/Constants</title>
<para>
The S/MIME functions make use of flags which are specified using a
bitfield which can include one or more of the following values:
<table>
<title><acronym>PKCS7</acronym> CONSTANTS</title>
<tgroup cols="2">
<thead>
<row>
<entry>Constant</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row xml:id="constant.pkcs7-text">
<entry><constant>PKCS7_TEXT</constant></entry>
<entry>Adds text/plain content type headers to encrypted/signed
message. If decrypting or verifying, it strips those headers from
the output - if the decrypted or verified message is not of MIME type
text/plain then an error will occur.</entry>
</row>
<row xml:id="constant.pkcs7-binary">
<entry><constant>PKCS7_BINARY</constant></entry>
<entry>Normally the input message is converted to "canonical" format
which is effectively using <literal>CR</literal> and <literal>LF</literal>
as end of line: as required by the S/MIME specification. When this
option is present, no translation occurs. This is useful when
handling binary data which may not be in MIME format.</entry>
</row>
<row xml:id="constant.pkcs7-nointern">
<entry><constant>PKCS7_NOINTERN</constant></entry>
<entry>When verifying a message, certificates (if
any) included in the message are normally searched for the
signing certificate. With this option only the
certificates specified in the <parameter>extracerts</parameter>
parameter of <function>openssl_pkcs7_verify</function> are
used. The supplied certificates can still be used as
untrusted CAs however.
</entry>
</row>
<row xml:id="constant.pkcs7-noverify">
<entry><constant>PKCS7_NOVERIFY</constant></entry>
<entry>Do not verify the signers certificate of a signed
message.</entry>
</row>
<row xml:id="constant.pkcs7-nochain">
<entry><constant>PKCS7_NOCHAIN</constant></entry>
<entry>Do not chain verification of signers certificates: that is
don't use the certificates in the signed message as untrusted CAs.
</entry>
</row>
<row xml:id="constant.pkcs7-nocerts">
<entry><constant>PKCS7_NOCERTS</constant></entry>
<entry>When signing a message the signer's certificate is normally
included - with this option it is excluded. This will reduce the
size of the signed message but the verifier must have a copy of the
signers certificate available locally (passed using the
<parameter>extracerts</parameter> to
<function>openssl_pkcs7_verify</function> for example).
</entry>
</row>
<row xml:id="constant.pkcs7-noattr">
<entry><constant>PKCS7_NOATTR</constant></entry>
<entry>Normally when a message is signed, a set of attributes are
included which include the signing time and the supported symmetric
algorithms. With this option they are not included.
</entry>
</row>
<row xml:id="constant.pkcs7-detached">
<entry><constant>PKCS7_DETACHED</constant></entry>
<entry>When signing a message, use cleartext signing with the MIME
type <literal>"multipart/signed"</literal>. This is the default
if you do not specify any <parameter>flags</parameter> to
<function>openssl_pkcs7_sign</function>.
If you turn this option off, the message will be signed using
opaque signing, which is more resistant to translation by mail relays
but cannot be read by mail agents that do not support S/MIME.</entry>
</row>
<row xml:id="constant.pkcs7-nosigs">
<entry><constant>PKCS7_NOSIGS</constant></entry>
<entry>Don't try and verify the signatures on a message</entry>
</row>
</tbody>
</tgroup>
</table>
</para>
<note>
<para>These constants were added in 4.0.6.</para>
</note>
</section>
<section xml:id="openssl.signature-algos">
<title>Signature Algorithms</title>
<variablelist>
<varlistentry xml:id="constant.openssl-algo-dss1">
<term>
<constant>OPENSSL_ALGO_DSS1</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-sha1">
<term>
<constant>OPENSSL_ALGO_SHA1</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
Used as default algorithm by <function>openssl_sign</function> and
<function>openssl_verify</function>.
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-sha224">
<term>
<constant>OPENSSL_ALGO_SHA224</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-sha256">
<term>
<constant>OPENSSL_ALGO_SHA256</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-sha384">
<term>
<constant>OPENSSL_ALGO_SHA384</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-sha512">
<term>
<constant>OPENSSL_ALGO_SHA512</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-rmd160">
<term>
<constant>OPENSSL_ALGO_RMD160</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-md5">
<term>
<constant>OPENSSL_ALGO_MD5</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-md4">
<term>
<constant>OPENSSL_ALGO_MD4</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-algo-md2">
<term>
<constant>OPENSSL_ALGO_MD2</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
As of PHP 5.2.13 and PHP 5.3.2, this constant is only available
if PHP is compiled with MD2 support. This requires passing in the
-DHAVE_OPENSSL_MD2_H CFLAG when compiling PHP, and enable-md2 when
compiling OpenSSL 1.0.0+.
</simpara>
</listitem>
</varlistentry>
</variablelist>
<note>
<para>These constants were added in 5.0.0.</para>
<para>
<constant>OPENSSL_ALGO_MD2</constant>, <constant>OPENSSL_ALGO_MD4</constant>,
<constant>OPENSSL_ALGO_MD5</constant>, <constant>OPENSSL_ALGO_SHA1</constant>,
<constant>OPENSSL_ALGO_DSS1</constant>
</para>
</note>
<note>
<para>These constants were added in 5.4.8.</para>
<para>
<constant>OPENSSL_ALGO_RMD160</constant>, <constant>OPENSSL_ALGO_SHA224</constant>,
<constant>OPENSSL_ALGO_SHA256</constant>, <constant>OPENSSL_ALGO_SHA384</constant>,
<constant>OPENSSL_ALGO_SHA512</constant>
</para>
</note>
</section>
<section xml:id="openssl.ciphers">
<title>Ciphers</title>
<variablelist>
<varlistentry xml:id="constant.openssl-cipher-rc2-40">
<term>
<constant>OPENSSL_CIPHER_RC2_40</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-cipher-rc2-128">
<term>
<constant>OPENSSL_CIPHER_RC2_128</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-cipher-rc2-64">
<term>
<constant>OPENSSL_CIPHER_RC2_64</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-cipher-des">
<term>
<constant>OPENSSL_CIPHER_DES</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-cipher-3des">
<term>
<constant>OPENSSL_CIPHER_3DES</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
</variablelist>
<note>
<para>These constants were added in 4.3.0.</para>
</note>
<variablelist>
<varlistentry xml:id="constant.openssl-cipher-aes-128-cbc">
<term>
<constant>OPENSSL_CIPHER_AES_128_CBC</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-cipher-aes-192-cbc">
<term>
<constant>OPENSSL_CIPHER_AES_192_CBC</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-cipher-aes-256-cbc">
<term>
<constant>OPENSSL_CIPHER_AES_256_CBC</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
</variablelist>
<note>
<para>These constants were added in 5.4.0.</para>
</note>
</section>
<section xml:id="openssl.constversion">
<title>Version constants</title>
<variablelist>
<varlistentry xml:id="constant.openssl-version-text">
<term>
<constant>OPENSSL_VERSION_TEXT</constant>
(<type>string</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
<varlistentry xml:id="constant.openssl-version-number">
<term>
<constant>OPENSSL_VERSION_NUMBER</constant>
(<type>integer</type>)
</term>
<listitem>
<simpara>
</simpara>
</listitem>
</varlistentry>
</variablelist>
<note>
<para>These constants were added in 5.2.0.</para>
</note>
</section>
<section xml:id="openssl.constsni">
<title>Server Name Indication constants</title>
<variablelist>
<varlistentry xml:id="constant.openssl-tlsext-server-name">
<term>
<constant>OPENSSL_TLSEXT_SERVER_NAME</constant>
(<type>string</type>)
</term>
<listitem>
<simpara>
Whether SNI support is available or not.
</simpara>
</listitem>
</varlistentry>
</variablelist>
<note>
<para>
This constant were added in 5.3.2 and requires PHP to be
built with OpenSSL 0.9.8j or greater.
</para>
</note>
</section>
</appendix>
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