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authorgotoyuzo <gotoyuzo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-07-23 16:12:24 +0000
committergotoyuzo <gotoyuzo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-07-23 16:12:24 +0000
commit231247c010acba191b78ed2d1310c935e63ad919 (patch)
tree10591a106bc2f3eff53eff8e440f58495ff517c9 /ext/openssl/ossl_pkey.c
parentfd46a1da0a41b7939424bc5a393027be7940908e (diff)
* ext/openssl: imported.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/openssl/ossl_pkey.c')
-rw-r--r--ext/openssl/ossl_pkey.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/ext/openssl/ossl_pkey.c b/ext/openssl/ossl_pkey.c
new file mode 100644
index 0000000..cd73355
--- /dev/null
+++ b/ext/openssl/ossl_pkey.c
@@ -0,0 +1,238 @@
+/*
+ * $Id$
+ * 'OpenSSL for Ruby' project
+ * Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
+ * All rights reserved.
+ */
+/*
+ * This program is licenced under the same licence as Ruby.
+ * (See the file 'LICENCE'.)
+ */
+#include "ossl.h"
+
+/*
+ * Classes
+ */
+VALUE mPKey;
+VALUE cPKey;
+VALUE ePKeyError;
+ID id_private_q;
+
+/*
+ * Public
+ */
+VALUE
+ossl_pkey_new(EVP_PKEY *pkey)
+{
+ if (!pkey) {
+ ossl_raise(ePKeyError, "Cannot make new key from NULL.");
+ }
+ switch (EVP_PKEY_type(pkey->type)) {
+#if !defined(OPENSSL_NO_RSA)
+ case EVP_PKEY_RSA:
+ return ossl_rsa_new(pkey);
+#endif
+#if !defined(OPENSSL_NO_DSA)
+ case EVP_PKEY_DSA:
+ return ossl_dsa_new(pkey);
+#endif
+#if !defined(OPENSSL_NO_DH)
+ case EVP_PKEY_DH:
+ return ossl_dh_new(pkey);
+#endif
+ default:
+ ossl_raise(ePKeyError, "unsupported key type");
+ }
+ return Qnil; /* not reached */
+}
+
+VALUE
+ossl_pkey_new_from_file(VALUE filename)
+{
+ FILE *fp;
+ EVP_PKEY *pkey;
+
+ SafeStringValue(filename);
+ if (!(fp = fopen(RSTRING(filename)->ptr, "r"))) {
+ ossl_raise(ePKeyError, "%s", strerror(errno));
+ }
+
+ pkey = PEM_read_PrivateKey(fp, NULL, ossl_pem_passwd_cb, NULL);
+ fclose(fp);
+ if (!pkey) {
+ ossl_raise(ePKeyError, NULL);
+ }
+
+ return ossl_pkey_new(pkey);
+}
+
+EVP_PKEY *
+GetPKeyPtr(VALUE obj)
+{
+ EVP_PKEY *pkey;
+
+ SafeGetPKey(obj, pkey);
+
+ return pkey;
+}
+
+EVP_PKEY *
+GetPrivPKeyPtr(VALUE obj)
+{
+ EVP_PKEY *pkey;
+
+ SafeGetPKey(obj, pkey);
+ if (rb_funcall(obj, id_private_q, 0, NULL) != Qtrue) { /* returns Qtrue */
+ ossl_raise(rb_eArgError, "Private key is needed.");
+ }
+
+ return pkey;
+}
+
+EVP_PKEY *
+DupPrivPKeyPtr(VALUE obj)
+{
+ EVP_PKEY *pkey;
+
+ SafeGetPKey(obj, pkey);
+ if (rb_funcall(obj, id_private_q, 0, NULL) != Qtrue) { /* returns Qtrue */
+ ossl_raise(rb_eArgError, "Private key is needed.");
+ }
+ CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+
+ return pkey;
+}
+
+/*
+ * Private
+ */
+static VALUE
+ossl_pkey_alloc(VALUE klass)
+{
+ EVP_PKEY *pkey;
+ VALUE obj;
+
+ if (!(pkey = EVP_PKEY_new())) {
+ ossl_raise(ePKeyError, NULL);
+ }
+ WrapPKey(klass, obj, pkey);
+
+ return obj;
+}
+DEFINE_ALLOC_WRAPPER(ossl_pkey_alloc)
+
+static VALUE
+ossl_pkey_initialize(VALUE self)
+{
+ if (rb_obj_is_instance_of(self, cPKey)) {
+ ossl_raise(rb_eNotImpError, "OpenSSL::PKey::PKey is an abstract class.");
+ }
+ return self;
+}
+
+static VALUE
+ossl_pkey_to_der(VALUE self)
+{
+ EVP_PKEY *pkey;
+ VALUE str;
+ BIO *out;
+ BUF_MEM *buf;
+
+ GetPKey(self, pkey);
+
+ out = BIO_new(BIO_s_mem());
+ if (!out) ossl_raise(ePKeyError, NULL);
+
+ if (!i2d_PUBKEY_bio(out, pkey)) {
+ BIO_free(out);
+ ossl_raise(ePKeyError, NULL);
+ }
+
+ BIO_get_mem_ptr(out, &buf);
+ str = rb_str_new(buf->data, buf->length);
+
+ BIO_free(out);
+
+ return str;
+}
+
+static VALUE
+ossl_pkey_sign(VALUE self, VALUE digest, VALUE data)
+{
+ EVP_PKEY *pkey;
+ EVP_MD_CTX ctx;
+ char *buf;
+ int buf_len;
+ VALUE str;
+
+ GetPKey(self, pkey);
+ if (rb_funcall(self, id_private_q, 0, NULL) != Qtrue) {
+ ossl_raise(rb_eArgError, "Private key is needed.");
+ }
+ EVP_SignInit(&ctx, GetDigestPtr(digest));
+ StringValue(data);
+ EVP_SignUpdate(&ctx, RSTRING(data)->ptr, RSTRING(data)->len);
+ if (!(buf = OPENSSL_malloc(EVP_PKEY_size(pkey) + 16))) {
+ ossl_raise(ePKeyError, NULL);
+ }
+ if (!EVP_SignFinal(&ctx, buf, &buf_len, pkey)) {
+ OPENSSL_free(buf);
+ ossl_raise(ePKeyError, NULL);
+ }
+ str = rb_str_new(buf, buf_len);
+ OPENSSL_free(buf);
+
+ return str;
+}
+
+static VALUE
+ossl_pkey_verify(VALUE self, VALUE digest, VALUE sig, VALUE data)
+{
+ EVP_PKEY *pkey;
+ EVP_MD_CTX ctx;
+
+ GetPKey(self, pkey);
+ EVP_VerifyInit(&ctx, GetDigestPtr(digest));
+ StringValue(sig);
+ StringValue(data);
+ EVP_VerifyUpdate(&ctx, RSTRING(data)->ptr, RSTRING(data)->len);
+ switch (EVP_VerifyFinal(&ctx, RSTRING(sig)->ptr, RSTRING(sig)->len, pkey)) {
+ case 0:
+ return Qfalse;
+ case 1:
+ return Qtrue;
+ default:
+ ossl_raise(ePKeyError, NULL);
+ }
+ return Qnil; /* dummy */
+}
+
+/*
+ * INIT
+ */
+void
+Init_ossl_pkey()
+{
+ mPKey = rb_define_module_under(mOSSL, "PKey");
+
+ ePKeyError = rb_define_class_under(mPKey, "PKeyError", eOSSLError);
+
+ cPKey = rb_define_class_under(mPKey, "PKey", rb_cObject);
+
+ rb_define_alloc_func(cPKey, ossl_pkey_alloc);
+ rb_define_method(cPKey, "initialize", ossl_pkey_initialize, 0);
+
+ rb_define_method(cPKey, "to_der", ossl_pkey_to_der, 0);
+ rb_define_method(cPKey, "sign", ossl_pkey_sign, 2);
+ rb_define_method(cPKey, "verify", ossl_pkey_verify, 3);
+
+ id_private_q = rb_intern("private?");
+
+ /*
+ * INIT rsa, dsa
+ */
+ Init_ossl_rsa();
+ Init_ossl_dsa();
+ Init_ossl_dh();
+}
+