Php/docs/function.openssl-pkey-new
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openssl_pkey_new
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
openssl_pkey_new — Generates a new private key
Description
openssl_pkey_new
([ array $configargs
] ) : resource
openssl_pkey_new() generates a new private and public key pair. The public component of the key can be obtained using openssl_pkey_get_public().
Note:
You need to have a valid
openssl.cnf
installed for this function to operate correctly. See the notes under the installation section for more information.
Parameters
configargs
- You can finetune the key generation (such as specifying the number of bits) using
configargs
. See openssl_csr_new() for more information aboutconfigargs
.
Return Values
Returns a resource identifier for the pkey on success, or FALSE
on
error.
Changelog
Version | Description |
---|---|
7.1.0 | The curve_name configarg was added to make it possible to create EC keys.
|