PHP Manual: Generates a new private key

Description

resource openssl_pkey_new ([ array $configargs ] )

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 about configargs.

Return Values

Returns a resource identifier for the pkey on success, or FALSE on error.