sodium_crypto_box_seal()
(PHP 7 >= 7.2.0)
Encrypt a message
说明
sodium_crypto_box_seal(string $msg,string $key): string
Warning本函数还未编写文档,仅有参数列表。
参数
- $msg
- $key
返回值
Here's a quick example on how to use sodium_crypto_box_seal(); where you have 2 people exchanging a $message - person 1 encrypts it so that only person 2 can decrypt it. It does not allow person 2 to know who sent it, as only their public key way used (see sodium_crypto_box to do that). <?php $keypair = sodium_crypto_box_keypair(); $keypair_public = sodium_crypto_box_publickey($keypair); $keypair_secret = sodium_crypto_box_secretkey($keypair); // $key_public = sodium_crypto_box_publickey_from_secretkey($keypair_secret); // $keypair = sodium_crypto_box_keypair_from_secretkey_and_publickey($keypair_secret, $key_public); //-------------------------------------------------- // Person 1, encrypting $message = 'hello'; $encrypted = sodium_crypto_box_seal($message, $keypair_public); echo base64_encode($encrypted) . "\n"; //-------------------------------------------------- // Person 2, decrypting $decrypted = sodium_crypto_box_seal_open($encrypted, $keypair); echo $decrypted . "\n"; ?>