OpenSSL 函数
PHP Manual

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 can be one of OPENSSL_PKCS1_PADDING, OPENSSL_NO_PADDING.

返回值

成功时返回 TRUE， 或者在失败时返回 FALSE.

参见

OpenSSL 函数
PHP Manual