OpenSSL 函数
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openssl_pkey_export_to_file

(PHP 4 >= 4.2.0, PHP 5)

openssl_pkey_export_to_fileGets an exportable representation of a key into a file

说明

bool openssl_pkey_export_to_file ( mixed $key , string $outfilename [, string $passphrase [, array $configargs ]] )

openssl_pkey_export_to_file() saves an ascii-armoured (PEM encoded) rendition of key into the file named by outfilename.

Note: 必须安装有效的 openssl.cnf 以保证此函数正确运行。参考有关安装的说明以获得更多信息。

参数

key

outfilename

Path to the output file.

passphrase

The key can be optionally protected by a passphrase.

configargs

configargs can be used to fine-tune the export process by specifying and/or overriding options for the openssl configuration file. See openssl_csr_new() for more information about configargs.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE


OpenSSL 函数
在线手册:中文  英文

用户评论:

w3ricardo (2012-02-27 20:21:27)

You can't use this function to export a public key
Warning: openssl_pkey_export_to_file(): supplied key param is a public key

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