of key // generation and return an error if it fails. See [checkPrivateKey]. return newPrivateKey(N, 65537, d, P, Q) } } // errDivisorTooLarge is returned by [totient] when gcd(p-1, q-1) is too large. var errDivisorTooLarge = errors.New("divisor too large") // totient computes the Carmichael totient function λ(N) = lcm(p-1, q-1). func totient(p, q *bigmod.Modulus) (*bigmod.Modulus, error) { a, b := p.Nat().SubOne(p), q.Nat().SubOne(q) // lcm(a, b) = a×b / gcd(a, b) = a × (b / gcd(a, b)) // Our GCD...

$divisor == 0 {\n    @error \"Cannot divide by 0\";\n  }\n  $remainder: $dividend;\n  $result: 0;\n  $factor: 10;\n  @while ($remainder > 0 and $precision >= 0) {\n    $quotient: 0;\n    @while ($remainder >= $divisor) {\n      $remainder: $remainder - $divisor;\n      $quotient: $quotient + 1;\n    }\n    $result: $result * 10 + $quotient;\n    $factor: $factor * .1;\n    $remainder: $remainder * 10;\n    $precision: $precision - 1;\n    @if ($precision < 0 and $remainder >= $divisor * 5) {\n      $result:...

$divisor == 0 {\n    @error \"Cannot divide by 0\";\n  }\n  $remainder: $dividend;\n  $result: 0;\n  $factor: 10;\n  @while ($remainder > 0 and $precision >= 0) {\n    $quotient: 0;\n    @while ($remainder >= $divisor) {\n      $remainder: $remainder - $divisor;\n      $quotient: $quotient + 1;\n    }\n    $result: $result * 10 + $quotient;\n    $factor: $factor * .1;\n    $remainder: $remainder * 10;\n    $precision: $precision - 1;\n    @if ($precision < 0 and $remainder >= $divisor * 5) {\n      $result:...