rust_sodium-sys 0.1.2

// crypto_scalarmult_curve25519.h

pub const crypto_scalarmult_curve25519_BYTES: usize = 32;
pub const crypto_scalarmult_curve25519_SCALARBYTES: usize = 32;

extern "C" {
    pub fn crypto_scalarmult_curve25519_bytes() -> size_t;
    pub fn crypto_scalarmult_curve25519_scalarbytes() -> size_t;
    pub fn crypto_scalarmult_curve25519_base(q: *mut u8, n: *const u8) -> c_int;
    pub fn crypto_scalarmult_curve25519(q: *mut u8, n: *const u8, p: *const u8) -> c_int;
}

#[test]
fn test_crypto_scalarmult_curve25519_bytes() {
    assert_eq!(unsafe { crypto_scalarmult_curve25519_bytes() as usize },
               crypto_scalarmult_curve25519_BYTES);
}

#[test]
fn test_crypto_scalarmult_curve25519_scalarbytes() {
    assert_eq!(unsafe { crypto_scalarmult_curve25519_scalarbytes() as usize },
               crypto_scalarmult_curve25519_SCALARBYTES);
}