ossl_bn_ctx is C's global variable and it should be ractor-local
to make it ractor-safe.

https://github.com/ruby/openssl/commit/033fb4fbe4

https://github.com/ruby/openssl/commit/b28fb2f05c

Import the master branch of ruby/openssl for preparing to release openssl-2.2.0

We can check the function pointer passed to rb_define_module_function
like how we do so in rb_define_method.  The difference is that this
changeset reveales lots of atiry mismatches.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Init functions are called only once, cache is useless.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62429 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Import Ruby/OpenSSL 2.1.0.beta2. The full commit log since commit
e72d960db262 which was imported by r60013 can be found at:

	https://github.com/ruby/openssl/compare/e72d960db262...v2.1.0.beta2

----------------------------------------------------------------
Kazuki Yamaguchi (26):
      bn: use ALLOCV() macro instead of xmalloc()
      appveyor.yml: remove 'openssl version' line
      test/test_ssl_session: skip tests for session_remove_cb
      x509ext: implement X509::Extension#==
      x509attr: implement X509::Attribute#==
      x509cert: implement X509::Certificate#==
      x509revoked: add missing X509::Revoked#to_der
      x509crl, x509revoked: implement X509::{CRL,Revoked}#==
      x509req: implement X509::Request#==
      ssl: extract rb_intern("call")
      cipher: disallow setting AAD for non-AEAD ciphers
      test/test_cipher: fix test_non_aead_cipher_set_auth_data failure
      ssl: fix conflict of options in SSLContext#set_params
      buffering: let #write accept multiple arguments
      pkey: make pkey_check_public_key() non-static
      x509cert, x509crl, x509req, ns_spki: check sanity of public key
      test/envutil: port assert_warning from Ruby trunk
      test/utils: remove a pointless .public_key call in issue_cert
      ssl: add SSLContext#add_certificate
      test/test_ssl: fix test_security_level
      Drop support for LibreSSL 2.4
      kdf: add HKDF support
      test/test_x509cert: fix flaky test
      test/test_x509crl: fix random failure
      History.md: fix a typo
      Ruby/OpenSSL 2.1.0.beta2

Mark Wright (1):
      Fix build failure against OpenSSL 1.1 built with no-deprecated Thanks rhenium for the code review and fixes.

Peter Karman (1):
      Add RSA sign_pss() and verify_pss() methods

aeris (1):
      TLS Fallback Signaling Cipher Suite Value

kazu (1):
      Use caller with length to reduce unused strings

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60907 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Sync with master branch of ruby/openssl.git to import changes in
v2.1.0.beta1..v2.0.6. The commit log since v2.1.0.beta1 which was
imported by r59734 can be found at:

	https://github.com/ruby/openssl/compare/v2.1.0.beta1...e72d960db262

----------------------------------------------------------------
Kazuki Yamaguchi (16):
      test/test_pair: fix test_write_nonblock{,_no_exceptions}
      x509name: fix a typo in docs
      test/test_fips: skip if setting FIPS mode fails
      test/test_asn1: fix possible failure in test_utctime
      test/test_ssl: suppress warning in test_alpn_protocol_selection_cancel
      test/test_pair: disable compression
      test/test_ssl: skip tmp_ecdh_callback test for LibreSSL >= 2.6.1
      test/test_ssl: do not run NPN tests for LibreSSL >= 2.6.1
      tool/ruby-openssl-docker: update
      test/test_pair: replace sleep with IO.select
      ssl: prevent SSLSocket#sysread* from leaking uninitialized data
      ossl.c: use struct CRYPTO_dynlock_value for non-dynamic locks
      ossl.c: make legacy locking callbacks reentrant
      test/test_engine: suppress stderr
      test/test_engine: check if RC4 is supported
      Ruby/OpenSSL 2.0.6

SHIBATA Hiroshi (1):
      To use upstream url of github

nobu (1):
      ruby.h: unnormalized Fixnum value

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e