This article mainly introduces the use of OpenSSL to implement the RSA asymmetric encryption algorithm example, please refer to the use of it
The code is as follows: _keypath = $path; }/** * Create the key pair,save the key to $this->_keypath */Public Function CreateKey () {$r = Openssl_pkey_new (); O Penssl_pkey_export ($r, $privKey); File_put_contents ($this->_keypath. Directory_separator. ' Priv.key ', $privKey); $this->_privkey = Openssl_pkey_get_public ($privKey); $RP = Openssl_pkey_get_details ($r); $pubKey = $rp [' key ']; File_put_contents ($this->_keypath. Directory_separator. ' Pub.key ', $pubKey); $this->_pubkey = Openssl_pkey_get_public ($pubKey); }/** * Setup the private key */Public Function Setupprivkey () {if (Is_resource ($this->_privkey)) {return true;} $fil E = $this->_keypath. Directory_separator. ' Priv.key '; $PRK = file_get_contents ($file); $this->_privkey = openssl_pkey_get_private ($PRK); return true; }/** * Setup the Public key */Public Function Setuppubkey () {if (Is_resource ($this->_pubkey)) {return true;} $file = $this->_keypath. Directory_separator. ' Pub.key '; $puk = file_get_contents ($file); $tHis->_pubkey = Openssl_pkey_get_public ($PUK); return true; }/** * Encrypt with the private key */Public Function Privencrypt ($data) {if (!is_string ($data)) {return null;} $this-& Gt;setupprivkey (); $r = Openssl_private_encrypt ($data, $encrypted, $this->_privkey); if ($r) {return base64_encode ($encrypted);} return null; }/** * Decrypt with the private key */Public Function Privdecrypt ($encrypted) {if (!is_string ($encrypted)) {return null; } $this->setupprivkey (); $encrypted = Base64_decode ($encrypted); $r = Openssl_private_decrypt ($encrypted, $decrypted, $this->_privkey); if ($r) {return $decrypted;} return null; }/** * Encrypt with public key */Public Function Pubencrypt ($data) {if (!is_string ($data)) {return null;} $this->set Uppubkey (); $r = Openssl_public_encrypt ($data, $encrypted, $this->_pubkey); if ($r) {return base64_encode ($encrypted);} return null; }/** * Decrypt with the public key */Public Function Pubdecrypt ($crypted) {if (!is_string ($crypted)) {RETurn null; } $this->setuppubkey (); $crypted = Base64_decode ($crypted); $r = Openssl_public_decrypt ($crypted, $decrypted, $this->_pubkey); if ($r) {return $decrypted;} return null; } public Function __destruct () {@ fclose ($this->_privkey); @ fclose ($this->_pubkey);}} The following is a simple test demo, if you do not need to delete $rsa = new RSA (' Ssl-key '); Private key encryption, public key decryption echo ' Source: I'm an old turtle.
'; $pre = $rsa->privencrypt (' I am an old turtle '); Echo ' Private encrypted:
' . $pre. '
'; $pud = $rsa->pubdecrypt ($pre); Echo ' Public decrypted: '. $pud. '
'; Public key encryption, private key decryption echo ' Source: Dry it
'; $pue = $rsa->pubencrypt (' dry it '); Echo ' Public encrypt:
' . $pue. '
'; $PRD = $rsa->privdecrypt ($pue); Echo ' Private decrypt: '. $PRD;? > It's important to note that Apache supports OpenSSL
http://www.bkjia.com/PHPjc/727549.html www.bkjia.com true http://www.bkjia.com/PHPjc/727549.html techarticle This article mainly introduces the use of OpenSSL to implement the RSA asymmetric encryption algorithm example, we refer to the following code:? php/*** using OpenSSL for asymmetric encryption * @since 2010-07-08* ...
