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-rw-r--r--ext/openssl/lib/openssl/pkey.rb33
1 files changed, 33 insertions, 0 deletions
diff --git a/ext/openssl/lib/openssl/pkey.rb b/ext/openssl/lib/openssl/pkey.rb
index 9cc32763568..be60ac2beb6 100644
--- a/ext/openssl/lib/openssl/pkey.rb
+++ b/ext/openssl/lib/openssl/pkey.rb
@@ -9,6 +9,24 @@ require_relative 'marshal'
module OpenSSL::PKey
class DH
include OpenSSL::Marshal
+
+ # :call-seq:
+ # dh.compute_key(pub_bn) -> string
+ #
+ # Returns a String containing a shared secret computed from the other
+ # party's public value.
+ #
+ # This method is provided for backwards compatibility, and calls #derive
+ # internally.
+ #
+ # === Parameters
+ # * _pub_bn_ is a OpenSSL::BN, *not* the DH instance returned by
+ # DH#public_key as that contains the DH parameters only.
+ def compute_key(pub_bn)
+ peer = dup
+ peer.set_key(pub_bn, nil)
+ derive(peer)
+ end
end
class DSA
@@ -18,7 +36,22 @@ module OpenSSL::PKey
if defined?(EC)
class EC
include OpenSSL::Marshal
+
+ # :call-seq:
+ # ec.dh_compute_key(pubkey) -> string
+ #
+ # Derives a shared secret by ECDH. _pubkey_ must be an instance of
+ # OpenSSL::PKey::EC::Point and must belong to the same group.
+ #
+ # This method is provided for backwards compatibility, and calls #derive
+ # internally.
+ def dh_compute_key(pubkey)
+ peer = OpenSSL::PKey::EC.new(group)
+ peer.public_key = pubkey
+ derive(peer)
+ end
end
+
class EC::Point
# :call-seq:
# point.to_bn([conversion_form]) -> OpenSSL::BN