Function u

sign_graphics_validate.js:133–136

(a, b, c, l, h, q)

    return a
  }
  function u(a, b, c, l, h, q) {
    a = A(A(b, a), A(l, q));
    return A(a << h | a >>> 32 - h, c)
  }

  function v(a, b, c, l, h, q, z) {
    return u(b & c | ~b & l, a, b, h, q, z)