openssl_private_encrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_private_encrypt — Encrypts data with private key

说明

bool openssl_private_encrypt ( string $data , string &$crypted , mixed $key [, int $padding=OPENSSL_PKCS1_PADDING ] )

openssl_private_encrypt() encrypts data with private key and stores the result into crypted . Encrypted data can be decrypted via openssl_public_decrypt().

This function can be used e.g. to sign data (or its hash) to prove that it is not written by someone else.

参数

data
crypted
key
padding: padding defaults to OPENSSL_PKCS1_PADDING, but can also be OPENSSL_NO_PADDING.

返回值

如果成功则返回 TRUE，失败则返回 FALSE。

参见

openssl_public_encrypt() - Encrypts data with public key
openssl_public_decrypt() - Decrypts data with public key