diff options
Diffstat (limited to 'ext/openssl')
| -rw-r--r-- | ext/openssl/lib/openssl/pkey.rb | 55 | ||||
| -rw-r--r-- | ext/openssl/ossl_pkey_dh.c | 63 | ||||
| -rw-r--r-- | ext/openssl/ossl_pkey_dsa.c | 42 | ||||
| -rw-r--r-- | ext/openssl/ossl_pkey_rsa.c | 58 |
4 files changed, 69 insertions, 149 deletions
diff --git a/ext/openssl/lib/openssl/pkey.rb b/ext/openssl/lib/openssl/pkey.rb index 53ee52f98b..569559e1ce 100644 --- a/ext/openssl/lib/openssl/pkey.rb +++ b/ext/openssl/lib/openssl/pkey.rb @@ -11,6 +11,30 @@ module OpenSSL::PKey include OpenSSL::Marshal # :call-seq: + # dh.public_key -> dhnew + # + # Returns a new DH instance that carries just the \DH parameters. + # + # Contrary to the method name, the returned DH object contains only + # parameters and not the public key. + # + # This method is provided for backwards compatibility. In most cases, there + # is no need to call this method. + # + # For the purpose of re-generating the key pair while keeping the + # parameters, check OpenSSL::PKey.generate_key. + # + # Example: + # # OpenSSL::PKey::DH.generate by default generates a random key pair + # dh1 = OpenSSL::PKey::DH.generate(2048) + # p dh1.priv_key #=> #<OpenSSL::BN 1288347...> + # dhcopy = dh1.public_key + # p dhcopy.priv_key #=> nil + def public_key + DH.new(to_der) + end + + # :call-seq: # dh.compute_key(pub_bn) -> string # # Returns a String containing a shared secret computed from the other @@ -89,6 +113,22 @@ module OpenSSL::PKey class DSA include OpenSSL::Marshal + # :call-seq: + # dsa.public_key -> dsanew + # + # Returns a new DSA instance that carries just the \DSA parameters and the + # public key. + # + # This method is provided for backwards compatibility. In most cases, there + # is no need to call this method. + # + # For the purpose of serializing the public key, to PEM or DER encoding of + # X.509 SubjectPublicKeyInfo format, check PKey#public_to_pem and + # PKey#public_to_der. + def public_key + OpenSSL::PKey.read(public_to_der) + end + class << self # :call-seq: # DSA.generate(size) -> dsa @@ -159,6 +199,21 @@ module OpenSSL::PKey class RSA include OpenSSL::Marshal + # :call-seq: + # rsa.public_key -> rsanew + # + # Returns a new RSA instance that carries just the public key components. + # + # This method is provided for backwards compatibility. In most cases, there + # is no need to call this method. + # + # For the purpose of serializing the public key, to PEM or DER encoding of + # X.509 SubjectPublicKeyInfo format, check PKey#public_to_pem and + # PKey#public_to_der. + def public_key + OpenSSL::PKey.read(public_to_der) + end + class << self # :call-seq: # RSA.generate(size, exponent = 65537) -> RSA diff --git a/ext/openssl/ossl_pkey_dh.c b/ext/openssl/ossl_pkey_dh.c index acd3bf474e..a512b209d3 100644 --- a/ext/openssl/ossl_pkey_dh.c +++ b/ext/openssl/ossl_pkey_dh.c @@ -268,48 +268,6 @@ ossl_dh_get_params(VALUE self) /* * call-seq: - * dh.public_key -> aDH - * - * Returns a new DH instance that carries just the public information, i.e. - * the prime _p_ and the generator _g_, but no public/private key yet. Such - * a pair may be generated using DH#generate_key!. The "public key" needed - * for a key exchange with DH#compute_key is considered as per-session - * information and may be retrieved with DH#pub_key once a key pair has - * been generated. - * If the current instance already contains private information (and thus a - * valid public/private key pair), this information will no longer be present - * in the new instance generated by DH#public_key. This feature is helpful for - * publishing the Diffie-Hellman parameters without leaking any of the private - * per-session information. - * - * === Example - * dh = OpenSSL::PKey::DH.new(2048) # has public and private key set - * public_key = dh.public_key # contains only prime and generator - * parameters = public_key.to_der # it's safe to publish this - */ -static VALUE -ossl_dh_to_public_key(VALUE self) -{ - EVP_PKEY *pkey; - DH *orig_dh, *dh; - VALUE obj; - - obj = rb_obj_alloc(rb_obj_class(self)); - GetPKey(obj, pkey); - - GetDH(self, orig_dh); - dh = DHparams_dup(orig_dh); - if (!dh) - ossl_raise(eDHError, "DHparams_dup"); - if (!EVP_PKEY_assign_DH(pkey, dh)) { - DH_free(dh); - ossl_raise(eDHError, "EVP_PKEY_assign_DH"); - } - return obj; -} - -/* - * call-seq: * dh.params_ok? -> true | false * * Validates the Diffie-Hellman parameters associated with this instance. @@ -384,14 +342,20 @@ Init_ossl_dh(void) * 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) + * # you may send the parameters (der) and own public key (pub1) publicly + * # to the participating party + * dh1 = OpenSSL::PKey::DH.new(2048) + * der = dh1.to_der + * pub1 = dh1.pub_key + * + * # the other party generates its per-session key pair + * dhparams = OpenSSL::PKey::DH.new(der) + * dh2 = OpenSSL::PKey.generate_key(dhparams) + * pub2 = dh2.pub_key * - * puts symm_key1 == symm_key2 # => true + * symm_key1 = dh1.compute_key(pub2) + * symm_key2 = dh2.compute_key(pub1) + * puts symm_key1 == symm_key2 # => true */ cDH = rb_define_class_under(mPKey, "DH", cPKey); rb_define_method(cDH, "initialize", ossl_dh_initialize, -1); @@ -402,7 +366,6 @@ Init_ossl_dh(void) 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); DEF_OSSL_PKEY_BN(cDH, dh, p); diff --git a/ext/openssl/ossl_pkey_dsa.c b/ext/openssl/ossl_pkey_dsa.c index f017cceb4a..ab9ac781e8 100644 --- a/ext/openssl/ossl_pkey_dsa.c +++ b/ext/openssl/ossl_pkey_dsa.c @@ -266,47 +266,6 @@ ossl_dsa_get_params(VALUE self) /* * call-seq: - * dsa.public_key -> aDSA - * - * Returns a new DSA instance that carries just the public key information. - * If the current instance has also private key information, this will no - * longer be present in the new instance. This feature is helpful for - * publishing the public key information without leaking any of the private - * information. - * - * === Example - * dsa = OpenSSL::PKey::DSA.new(2048) # has public and private information - * pub_key = dsa.public_key # has only the public part available - * pub_key_der = pub_key.to_der # it's safe to publish this - * - * - */ -static VALUE -ossl_dsa_to_public_key(VALUE self) -{ - EVP_PKEY *pkey, *pkey_new; - DSA *dsa; - VALUE obj; - - GetPKeyDSA(self, pkey); - obj = rb_obj_alloc(rb_obj_class(self)); - GetPKey(obj, pkey_new); - -#define DSAPublicKey_dup(dsa) (DSA *)ASN1_dup( \ - (i2d_of_void *)i2d_DSAPublicKey, (d2i_of_void *)d2i_DSAPublicKey, (char *)(dsa)) - dsa = DSAPublicKey_dup(EVP_PKEY_get0_DSA(pkey)); -#undef DSAPublicKey_dup - if (!dsa) - ossl_raise(eDSAError, "DSAPublicKey_dup"); - if (!EVP_PKEY_assign_DSA(pkey_new, dsa)) { - DSA_free(dsa); - ossl_raise(eDSAError, "EVP_PKEY_assign_DSA"); - } - return obj; -} - -/* - * call-seq: * dsa.syssign(string) -> aString * * Computes and returns the DSA signature of _string_, where _string_ is @@ -445,7 +404,6 @@ Init_ossl_dsa(void) rb_define_alias(cDSA, "to_pem", "export"); rb_define_alias(cDSA, "to_s", "export"); rb_define_method(cDSA, "to_der", ossl_dsa_to_der, 0); - rb_define_method(cDSA, "public_key", ossl_dsa_to_public_key, 0); rb_define_method(cDSA, "syssign", ossl_dsa_sign, 1); rb_define_method(cDSA, "sysverify", ossl_dsa_verify, 2); diff --git a/ext/openssl/ossl_pkey_rsa.c b/ext/openssl/ossl_pkey_rsa.c index 7a7e66dbda..1c5476cdcd 100644 --- a/ext/openssl/ossl_pkey_rsa.c +++ b/ext/openssl/ossl_pkey_rsa.c @@ -390,7 +390,7 @@ ossl_rsa_private_decrypt(int argc, VALUE *argv, VALUE self) * data = "Sign me!" * pkey = OpenSSL::PKey::RSA.new(2048) * signature = pkey.sign_pss("SHA256", data, salt_length: :max, mgf1_hash: "SHA256") - * pub_key = pkey.public_key + * pub_key = OpenSSL::PKey.read(pkey.public_to_der) * puts pub_key.verify_pss("SHA256", signature, data, * salt_length: :auto, mgf1_hash: "SHA256") # => true */ @@ -588,61 +588,6 @@ ossl_rsa_get_params(VALUE self) } /* - * call-seq: - * rsa.public_key -> RSA - * - * Makes new RSA instance containing the public key from the private key. - */ -static VALUE -ossl_rsa_to_public_key(VALUE self) -{ - EVP_PKEY *pkey, *pkey_new; - RSA *rsa; - VALUE obj; - - GetPKeyRSA(self, pkey); - obj = rb_obj_alloc(rb_obj_class(self)); - GetPKey(obj, pkey_new); - - rsa = RSAPublicKey_dup(EVP_PKEY_get0_RSA(pkey)); - if (!rsa) - ossl_raise(eRSAError, "RSAPublicKey_dup"); - if (!EVP_PKEY_assign_RSA(pkey_new, rsa)) { - RSA_free(rsa); - ossl_raise(eRSAError, "EVP_PKEY_assign_RSA"); - } - return obj; -} - -/* - * TODO: Test me - -static VALUE -ossl_rsa_blinding_on(VALUE self) -{ - RSA *rsa; - - GetRSA(self, rsa); - - if (RSA_blinding_on(rsa, ossl_bn_ctx) != 1) { - ossl_raise(eRSAError, NULL); - } - return self; -} - -static VALUE -ossl_rsa_blinding_off(VALUE self) -{ - RSA *rsa; - - GetRSA(self, rsa); - RSA_blinding_off(rsa); - - return self; -} - */ - -/* * Document-method: OpenSSL::PKey::RSA#set_key * call-seq: * rsa.set_key(n, e, d) -> self @@ -712,7 +657,6 @@ Init_ossl_rsa(void) rb_define_alias(cRSA, "to_pem", "export"); rb_define_alias(cRSA, "to_s", "export"); rb_define_method(cRSA, "to_der", ossl_rsa_to_der, 0); - rb_define_method(cRSA, "public_key", ossl_rsa_to_public_key, 0); rb_define_method(cRSA, "public_encrypt", ossl_rsa_public_encrypt, -1); rb_define_method(cRSA, "public_decrypt", ossl_rsa_public_decrypt, -1); rb_define_method(cRSA, "private_encrypt", ossl_rsa_private_encrypt, -1); |