/// <summary> /// Computes the multiplicative inverse of this <see cref="BigNumber" /> /// modulo <paramref name="modulo"/> and returns the result. /// /// Precisely, computes <c>z</c> such that <c>x * z % m = 1</c>, where /// <c>x</c> is the value of this <see cref="BigNumber" /> instance /// and <c>m</c> the value of <paramref name="modulo"/>. /// </summary> /// <param name="modulo">The modulo for computing the multiplicative inverse.</param> /// <returns> /// A <see cref="BigNumber" /> instance with value<c>z</c>. /// </returns> public BigNumber ModReciprocal(BigNumber modulo) { using (var ctx = BigNumberContextHandle.CreateSecure()) { var result = new BigNumber(); BigNumberHandle.ModInverse(result.Handle, Handle, modulo.Handle, ctx); return(result); } }