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OpenSSL Functions
PHP Manual

openssl_pkcs7_decrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_pkcs7_decryptDecrypts an S/MIME encrypted message

Description

bool openssl_pkcs7_decrypt ( string $infilename , string $outfilename , mixed $recipcert [, mixed $recipkey ] )

Decrypts the S/MIME encrypted message contained in the file specified by infilename using the certificate and its associated private key specified by recipcert and recipkey .

Parameters

infilename

outfilename

The decrypted message is written to the file specified by outfilename .

recipcert

recipkey

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 openssl_pkcs7_decrypt() example

<?php
// $cert and $key are assumed to contain your personal certificate and private
// key pair, and that you are the recipient of an S/MIME message
$infilename "encrypted.msg";  // this file holds your encrypted message
$outfilename "decrypted.msg"// make sure you can write to this file

if (openssl_pkcs7_decrypt($infilename$outfilename$cert$key)) {
    echo 
"decrypted!";
} else {
    echo 
"failed to decrypt!";
}
?>


OpenSSL Functions
PHP Manual