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openssl_private_encrypt openssl_pkey_new

Last updated: Fri, 26 Jan 2007

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# openssl_private_decrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_private_decrypt -- Decrypts data with private key

## Description

bool openssl_private_decrypt ( string data, string &decrypted, mixed key [, int padding] )

openssl_private_decrypt() decrypts `data` that was previous encrypted via openssl_public_encrypt() and stores the result into `decrypted`. `key` must be the private key corresponding that was used to encrypt the data. `padding` defaults to `OPENSSL_PKCS1_PADDING`, but can also be one of `OPENSSL_SSLV23_PADDING`, `OPENSSL_PKCS1_OAEP_PADDING`, `OPENSSL_NO_PADDING`.

Возвращает `TRUE` в случае успешного завершения или `FALSE` в случае возникновения ошибки.

You can use this function e.g. to decrypt data which were supposed only to you.

See also openssl_public_encrypt() and openssl_public_decrypt().

add a note User Contributed Notes
openssl_private_decrypt
wfredkNOSPAM at L5DevelopmentNOSPAM dot com
08-Mar-2002 03:58
`Encrypt using public key, decrypt using private key.
Use this to store stuff in your database: Unless someone
has your private key, the database contents are useless.
Also, use this for sending to a specific individual: Get
their public key, encrypt the message, only they can use
their private key to decode it.
<?php
echo "Source: $source";
$fp=fopen("/path/to/certificate.crt","r");
$pub_key=fread($fp,8192);
fclose($fp);
openssl_get_publickey($pub_key);
/*
* NOTE: Here you use the $pub_key value (converted, I guess)
*/
openssl_public_encrypt($source,$crypttext,$pub_key);
echo "String crypted: $crypttext";
$fp=fopen("/path/to/private.key","r");
$priv_key=fread($fp,8192);
fclose($fp);
// $passphrase is required if your key is encoded (suggested)
$res = openssl_get_privatekey($priv_key,$passphrase);
/*
* NOTE: Here you use the returned resource value
*/
openssl_private_decrypt($crypttext,$newsource,$res);
echo "String decrypt : $newsource";
?>`
add a note
openssl_private_encrypt openssl_pkey_new

Last updated: Fri, 26 Jan 2007
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