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Special Forums News, Links, Events and Announcements Software Releases - RSS News TangoCMS 2.1.2 (Default branch)
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Old 11-02-2008
TangoCMS 2.1.2 (Default branch)
TangoCMS is a PHP content management system (CMS). Its ease of use and powerful feature set allow you to quickly and easily create and manage an entire Web site. The aim is to create a CMS that anyone with a basic understanding of content management systems and the Internet can use. Producing W3C valid HTML, CSS, and JS is another goal. License: GNU General Public License v2 Changes:
A small handful of bug fixes as well as major speed improvements, meaning this release will load up to twice as quickly. Image

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LEARN ABOUT PLAN9

cms_decrypt

CMS_decrypt(3SSL)						      OpenSSL							 CMS_decrypt(3SSL)

NAME

	CMS_decrypt - decrypt content from a CMS envelopedData structure

SYNOPSIS

	#include <openssl/cms.h>

	int CMS_decrypt(CMS_ContentInfo *cms, EVP_PKEY *pkey, X509 *cert, BIO *dcont, BIO *out, unsigned int flags);

DESCRIPTION

       CMS_decrypt() extracts and decrypts the content from a CMS EnvelopedData structure. pkey is the private key of the recipient, cert is the
       recipient's certificate, out is a BIO to write the content to and flags is an optional set of flags.

       The dcont parameter is used in the rare case where the encrypted content is detached. It will normally be set to NULL.

NOTES

       OpenSSL_add_all_algorithms() (or equivalent) should be called before using this function or errors about unknown algorithms will occur.

       Although the recipients certificate is not needed to decrypt the data it is needed to locate the appropriate (of possible several)
       recipients in the CMS structure. If cert is set to NULL all possible recipients are tried.

       It is possible to determine the correct recipient key by other means (for example looking them up in a database) and setting them in the
       CMS structure in advance using the CMS utility functions such as CMS_set1_pkey(). In this case both cert and pkey should be set to NULL.

       To process KEKRecipientInfo types CMS_set1_key() or CMS_RecipientInfo_set0_key() and CMS_ReceipientInfo_decrypt() should be called before
       CMS_decrypt() and cert and pkey set to NULL.

       The following flags can be passed in the flags parameter.

       If the CMS_TEXT flag is set MIME headers for type text/plain are deleted from the content. If the content is not of type text/plain then an
       error is returned.

RETURN VALUES

       CMS_decrypt() returns either 1 for success or 0 for failure.  The error can be obtained from ERR_get_error(3)

BUGS

       The lack of single pass processing and the need to hold all data in memory as mentioned in CMS_verify() also applies to CMS_decrypt().

SEE ALSO

       ERR_get_error(3), CMS_encrypt(3)

HISTORY

       CMS_decrypt() was added to OpenSSL 0.9.8

1.0.1e								    2013-02-11							 CMS_decrypt(3SSL)