INNER CODE UNIT · C

keypair

jedisct1/libsodium-php · libsodium.c:3294

    keypair = zend_string_checked_alloc(crypto_kx_SECRETKEYBYTES + crypto_kx_PUBLICKEYBYTES, 0);
    sk = (unsigned char *) ZSTR_VAL(keypair);
    pk = sk + crypto_kx_SECRETKEYBYTES;
    crypto_generichash(sk, crypto_kx_SECRETKEYBYTES,
                       seed, crypto_kx_SEEDBYTES, NULL, 0);
    if (crypto_scalarmult_base(pk, sk) != 0) {
        zend_throw_exception(sodium_exception_ce, "internal error", 0);
        return;
    }

    RETURN_STR(keypair);
}

PHP_FUNCTION(sodium_crypto_kx_keypair)
{
    unsigned char *sk;
    unsigned char *pk;
    zend_string   *keypair;

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