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# openssl_pkey_new

(PHP 4 >= 4.2.0, PHP 5)

openssl_pkey_new -- 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(). You can finetune the key generation (such as specifying the number of bits) using configargs. See openssl_csr_new() for more information about configargs.

> 注: 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.

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