| 警告 |
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。 |
openssl_public_decrypt() decrypts data that was previous encrypted via openssl_private_encrypt() and stores the result into decrypted. key must be the public key corresponding that was used to encrypt the data. padding defaults to OPENSSL_PKCS1_PADDING, but can also be OPENSSL_NO_PADDING.
如果成功则返回 TRUE，失败则返回 FALSE。
You can use this function e.g. to check if the message was written by the owner of the private key.
See also openssl_private_encrypt() and openssl_private_decrypt().