sodium_crypto_kx_keypair

Creates a new sodium keypair

&reftitle.description; `string` `sodium_crypto_kx_keypair`

Create a new sodium keypair consisting of the secret key (32 bytes) followed by the public key (32 bytes). The keys can be retrieved by calling `sodium_crypto_kx_secretkey` and `sodium_crypto_kx_publickey`, respectively.

&reftitle.parameters; &no.function.parameters;
&reftitle.returnvalues;

Returns the new keypair on success; throws an exception otherwise.

&reftitle.examples;

### `sodium_crypto_kx_keypair` usage

Create a new keypair and retrieve the secret and the public key from it.

    <?php
    $keypair = sodium_crypto_kx_keypair();
    $secret = sodium_crypto_kx_secretkey($keypair);
    $public = sodium_crypto_kx_publickey($keypair);
    printf("secret: %s\npublic: %s", sodium_bin2hex($secret), sodium_bin2hex($public));
    ?>

&example.outputs.similar;

    secret: e7c5c918fdc40762e6000542c0118f4368ce8fd242b0e48c1e17202797a25daf
    public: d1f59fda8652caf40ed1a01d2b6f3802b60846986372cd8fa337b7c12c428b18