Constant libsodium::crypto_box_curve25519xsalsa20poly1305_MACBYTES

pub const crypto_box_curve25519xsalsa20poly1305_MACBYTES: size_t = crypto_box_curve25519xsalsa20poly1305_ZEROBYTES -
    crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES