15-test_genrsa.t 2.0 KB

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  1. #! /usr/bin/env perl
  2. # Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
  3. #
  4. # Licensed under the Apache License 2.0 (the "License"). You may not use
  5. # this file except in compliance with the License. You can obtain a copy
  6. # in the file LICENSE in the source distribution or at
  7. # https://www.openssl.org/source/license.html
  8. use strict;
  9. use warnings;
  10. use File::Spec;
  11. use OpenSSL::Test qw/:DEFAULT srctop_file/;
  12. use OpenSSL::Test::Utils;
  13. setup("test_genrsa");
  14. plan tests => 5;
  15. # We want to know that an absurdly small number of bits isn't support
  16. is(run(app([ 'openssl', 'genrsa', '-3', '-out', 'genrsatest.pem', '8'])), 0, "genrsa -3 8");
  17. # Depending on the shared library, we might have different lower limits.
  18. # Let's find it! This is a simple binary search
  19. # ------------------------------------------------------------
  20. # NOTE: $good may need an update in the future
  21. # ------------------------------------------------------------
  22. note "Looking for lowest amount of bits";
  23. my $bad = 3; # Log2 of number of bits (2 << 3 == 8)
  24. my $good = 11; # Log2 of number of bits (2 << 11 == 2048)
  25. while ($good > $bad + 1) {
  26. my $checked = int(($good + $bad + 1) / 2);
  27. if (run(app([ 'openssl', 'genrsa', '-3', '-out', 'genrsatest.pem',
  28. 2 ** $checked ], stderr => undef))) {
  29. note 2 ** $checked, " bits is good";
  30. $good = $checked;
  31. } else {
  32. note 2 ** $checked, " bits is bad";
  33. $bad = $checked;
  34. }
  35. }
  36. $good++ if $good == $bad;
  37. $good = 2 ** $good;
  38. note "Found lowest allowed amount of bits to be $good";
  39. ok(run(app([ 'openssl', 'genrsa', '-3', '-out', 'genrsatest.pem', $good ])),
  40. "genrsa -3 $good");
  41. ok(run(app([ 'openssl', 'rsa', '-check', '-in', 'genrsatest.pem', '-noout' ])),
  42. "rsa -check");
  43. ok(run(app([ 'openssl', 'genrsa', '-f4', '-out', 'genrsatest.pem', $good ])),
  44. "genrsa -f4 $good");
  45. ok(run(app([ 'openssl', 'rsa', '-check', '-in', 'genrsatest.pem', '-noout' ])),
  46. "rsa -check");