![]() Certificates are typically used to be able to associate some form of identity with a key pair, for example web servers serving pages over HTTPs use certificates to authenticate themselves to the user. X.509 certificates are associated with a private/public key pair, typically a RSA, DSA or ECC key (see also OpenSSL::PKey::RSA, OpenSSL::PKey::DSA and OpenSSL::PKey::EC), the public key itself is stored within the certificate and can be accessed in form of an OpenSSL::PKey. ![]() In newer versions (>5.2.3) the extensions are returned in a 'readable format'.Cert =. Print ( asn1der_ia5string ( $cert )) // prints decoded ascii string * not a valid DER encoding of an IA5STRING */ Therefore in order to read the contents of the v3 extensions you have to parse the relevant ASN.1 structures yourself.įor example if one needs to read an IA5STRING value in a private extension with the OID 1.3.6.1.3.3 one can do : Also in PHP5 prior to 5.2.4 the values of the x509v3 extensions were not decoded and were returned in the DER binary representation. Re: the previous note: support for the x509v3 extensions was added in PHP 5.2. corresponds to the general availability of the purpose corresponds to the tested purpose (as named in ) acting as CA ![]() quite obviously is the name of the purpose checked I compared this output with the output of the command The output of openssl_x509_parse gives an array with following for the purposes:Įach new array (, for example) is a new purpose check When dealing with the purposes of a x509 crt file Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search
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