* random.c (obj_random_bytes): base on bytes method instead of
  rand method, not to call toplevel rand method.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54968 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  On Windows OpenSSL RAND_bytes (underlying implementation is
  RAND_poll in crypto/rand/rand_win.c) may be blocked at
  NetStatisticsGet.
  https://wiki.openssl.org/index.php/Random_Numbers#Windows_Issues
  Instead of this, use Random.raw_seed directory (whose implementation
  CryptGenRandom is one of the source of
  entropy of RAND_poll on Windows).
  https://wiki.openssl.org/index.php/Random_Numbers
  Note: CryptGenRandom function is PRNG and doesn't check its entropy,
  so it won't block. [Bug #12139]
  https://msdn.microsoft.com/ja-jp/library/windows/desktop/aa379942.aspx
  https://tools.ietf.org/html/rfc4086#section-7.1.3
  https://eprint.iacr.org/2007/419.pdf
  http://www.cs.huji.ac.il/~dolev/pubs/thesis/msc-thesis-leo.pdf

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54144 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/securerandom.rb (gen_random): Array#join returns a String,
  no to_s is needed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53999 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

We may use the '0' (zero) to avoid adding the line feed.
Furthermore, the '*' (asterisk) modifier is not needed for
a single-element arrays.

* ext/psych/lib/psych/visitors/yaml_tree.rb (visit_String):
  eliminate chomp
* lib/net/http.rb (connect): eliminate delete
* lib/net/http/header.rb (basic_encode): ditto
* lib/net/imap.rb (authenticate): eliminate gsub
  (self.encode_utf7): shorten delete arg
* lib/net/smtp.rb (base64_encode): eliminate gsub
* lib/open-uri.rb (OpenURI.open_http): eliminate delete
* lib/rss/rss.rb: ditto
* lib/securerandom.rb (base64): ditto
  (urlsafe_base64): eliminate delete!
* lib/webrick/httpauth/digestauth.rb (split_param_value):
  eliminate chop
* lib/webrick/httpproxy.rb (do_CONNECT): eliminate delete
  (setup_upstream_proxy_authentication): ditto
  [ruby-core:72666] [Feature #11938]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  for initialize OpenSSL's rand.

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* lib/pp.rb: Ditto.

* lib/prettyprint.rb: Ditto.

* lib/resolv.rb: Ditto.

* lib/securerandom.rb: Ditto.

* lib/tmpdir.rb: Ditto.

* lib/unicode_normalize/tables.rb: Ditto.

* test/net/ftp/test_buffered_socket.rb: Ditto.

* test/net/ftp/test_mlsx_entry.rb: Ditto.

* test/open-uri/test_open-uri.rb: Ditto.

* test/open-uri/test_ssl.rb: Ditto.

* test/pathname/test_pathname.rb: Ditto.

* test/test_pp.rb: Ditto.

* test/test_prettyprint.rb: Ditto.

* tool/transcode-tblgen.rb: Ditto.

* ext/pathname/lib/pathname.rb: Ditto.


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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52174 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* random.c (rand_random_number): add a method to return a random
  number like SecureRandom to Random::Formatter.
* lib/securerandom.rb (random_bytes): move to Random::Formatter,
  the base method of the module.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/securerandom.rb (Random::Formatter): extract random number
  formatting methods into a module.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e