diff options
| -rw-r--r-- | ext/openssl/lib/openssl/pkey.rb | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/ext/openssl/lib/openssl/pkey.rb b/ext/openssl/lib/openssl/pkey.rb index f6bf5892b0..5864faa919 100644 --- a/ext/openssl/lib/openssl/pkey.rb +++ b/ext/openssl/lib/openssl/pkey.rb @@ -47,9 +47,19 @@ module OpenSSL::PKey # * _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) + # FIXME: This is constructing an X.509 SubjectPublicKeyInfo and is very + # inefficient + obj = OpenSSL::ASN1.Sequence([ + OpenSSL::ASN1.Sequence([ + OpenSSL::ASN1.ObjectId("dhKeyAgreement"), + OpenSSL::ASN1.Sequence([ + OpenSSL::ASN1.Integer(p), + OpenSSL::ASN1.Integer(g), + ]), + ]), + OpenSSL::ASN1.BitString(OpenSSL::ASN1.Integer(pub_bn).to_der), + ]) + derive(OpenSSL::PKey.read(obj.to_der)) end # :call-seq: |