/*
* INIT
*/
void
Init_ossl_dh()
{
#if 0 /* let rdoc know about mOSSL and mPKey */
mOSSL = rb_define_module("OpenSSL");
mPKey = rb_define_module_under(mOSSL, "PKey");
#endif
eDHError = rb_define_class_under(mPKey, "DHError", ePKeyError);
cDH = rb_define_class_under(mPKey, "DH", cPKey);
rb_define_singleton_method(cDH, "generate", ossl_dh_s_generate, -1);
rb_define_method(cDH, "initialize", ossl_dh_initialize, -1);
rb_define_method(cDH, "public?", ossl_dh_is_public, 0);
rb_define_method(cDH, "private?", ossl_dh_is_private, 0);
rb_define_method(cDH, "to_text", ossl_dh_to_text, 0);
rb_define_method(cDH, "export", ossl_dh_export, 0);
rb_define_alias(cDH, "to_pem", "export");
rb_define_alias(cDH, "to_s", "export");
rb_define_method(cDH, "to_der", ossl_dh_to_der, 0);
rb_define_method(cDH, "public_key", ossl_dh_to_public_key, 0);
rb_define_method(cDH, "params_ok?", ossl_dh_check_params, 0);
rb_define_method(cDH, "generate_key!", ossl_dh_generate_key, 0);
rb_define_method(cDH, "compute_key", ossl_dh_compute_key, 1);
DEF_OSSL_PKEY_BN(cDH, dh, p);
DEF_OSSL_PKEY_BN(cDH, dh, g);
DEF_OSSL_PKEY_BN(cDH, dh, pub_key);
DEF_OSSL_PKEY_BN(cDH, dh, priv_key);
rb_define_method(cDH, "params", ossl_dh_get_params, 0);
OSSL_DEFAULT_DH_512 = ossl_create_dh(
DEFAULT_DH_512_PRIM, sizeof(DEFAULT_DH_512_PRIM),
DEFAULT_DH_512_GEN, sizeof(DEFAULT_DH_512_GEN));
OSSL_DEFAULT_DH_1024 = ossl_create_dh(
DEFAULT_DH_1024_PRIM, sizeof(DEFAULT_DH_1024_PRIM),
DEFAULT_DH_1024_GEN, sizeof(DEFAULT_DH_1024_GEN));
}
/*
* INIT
*/
void
Init_ossl_dh(void)
{
#if 0
mOSSL = rb_define_module("OpenSSL"); /* let rdoc know about mOSSL and mPKey */
mPKey = rb_define_module_under(mOSSL, "PKey");
#endif
/* Document-class: OpenSSL::PKey::DHError
*
* Generic exception that is raised if an operation on a DH PKey
* fails unexpectedly or in case an instantiation of an instance of DH
* fails due to non-conformant input data.
*/
eDHError = rb_define_class_under(mPKey, "DHError", ePKeyError);
/* Document-class: OpenSSL::PKey::DH
*
* An implementation of the Diffie-Hellman key exchange protocol based on
* discrete logarithms in finite fields, the same basis that DSA is built
* on.
*
* === Accessor methods for the Diffie-Hellman parameters
* * DH#p
* The prime (an OpenSSL::BN) of the Diffie-Hellman parameters.
* * DH#g
* The generator (an OpenSSL::BN) g of the Diffie-Hellman parameters.
* * DH#pub_key
* The per-session public key (an OpenSSL::BN) matching the private key.
* This needs to be passed to DH#compute_key.
* * DH#priv_key
* The per-session private key, an OpenSSL::BN.
*
* === Example of a key exchange
* dh1 = OpenSSL::PKey::DH.new(2048)
* der = dh1.public_key.to_der #you may send this publicly to the participating party
* dh2 = OpenSSL::PKey::DH.new(der)
* dh2.generate_key! #generate the per-session key pair
* symm_key1 = dh1.compute_key(dh2.pub_key)
* symm_key2 = dh2.compute_key(dh1.pub_key)
*
* puts symm_key1 == symm_key2 # => true
*/
cDH = rb_define_class_under(mPKey, "DH", cPKey);
rb_define_singleton_method(cDH, "generate", ossl_dh_s_generate, -1);
rb_define_method(cDH, "initialize", ossl_dh_initialize, -1);
rb_define_method(cDH, "public?", ossl_dh_is_public, 0);
rb_define_method(cDH, "private?", ossl_dh_is_private, 0);
rb_define_method(cDH, "to_text", ossl_dh_to_text, 0);
rb_define_method(cDH, "export", ossl_dh_export, 0);
rb_define_alias(cDH, "to_pem", "export");
rb_define_alias(cDH, "to_s", "export");
rb_define_method(cDH, "to_der", ossl_dh_to_der, 0);
rb_define_method(cDH, "public_key", ossl_dh_to_public_key, 0);
rb_define_method(cDH, "params_ok?", ossl_dh_check_params, 0);
rb_define_method(cDH, "generate_key!", ossl_dh_generate_key, 0);
rb_define_method(cDH, "compute_key", ossl_dh_compute_key, 1);
DEF_OSSL_PKEY_BN(cDH, dh, p);
DEF_OSSL_PKEY_BN(cDH, dh, g);
DEF_OSSL_PKEY_BN(cDH, dh, pub_key);
DEF_OSSL_PKEY_BN(cDH, dh, priv_key);
rb_define_method(cDH, "params", ossl_dh_get_params, 0);
}