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PHP : Function Reference : OpenSSL Functions : openssl_private_decrypt

openssl_private_decrypt

Decrypts data with private key (PHP 4 >= 4.0.6, PHP 5)
bool openssl_private_decrypt ( string data, string &decrypted, mixed key [, int padding] )


Code Examples / Notes » openssl_private_decrypt

wfredknospam

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";
?>


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openssl_csr_export
openssl_csr_get_public_key
openssl_csr_get_subject
openssl_csr_new
openssl_csr_sign
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openssl_get_privatekey
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openssl_pkcs7_sign
openssl_pkcs7_verify
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openssl_pkey_get_public
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openssl_private_decrypt
openssl_private_encrypt
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openssl_public_encrypt
openssl_seal
openssl_sign
openssl_verify
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openssl_x509_export_to_file
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