added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 240 insertions, 0 deletions

diff --git a/trunk/ext/openssl/ossl_pkey.c b/trunk/ext/openssl/ossl_pkey.c
new file mode 100644
index 0000000000..fc93fe165c
--- /dev/null
+++ b/trunk/ext/openssl/ossl_pkey.c
@@ -0,0 +1,240 @@
+/*
+ * $Id$
+ * '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;
+
+/*
+ * callback for generating keys
+ */
+void
+ossl_generate_cb(int p, int n, void *arg)
+{
+    VALUE ary;
+
+    ary = rb_ary_new2(2);
+    rb_ary_store(ary, 0, INT2NUM(p));
+    rb_ary_store(ary, 1, INT2NUM(n));
+
+    rb_yield(ary);
+}
+
+/*
+ * 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
+#if !defined(OPENSSL_NO_EC) && (OPENSSL_VERSION_NUMBER >= 0x0090802fL)
+    case EVP_PKEY_EC:
+	return ossl_ec_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_PTR(filename), "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;
+	
+    if (rb_funcall(obj, id_private_q, 0, NULL) != Qtrue) {
+	ossl_raise(rb_eArgError, "Private key is needed.");
+    }
+    SafeGetPKey(obj, pkey);
+
+    return pkey;
+}
+
+EVP_PKEY *
+DupPKeyPtr(VALUE obj)
+{
+    EVP_PKEY *pkey;
+	
+    SafeGetPKey(obj, pkey);
+    CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+
+    return pkey;
+}
+
+EVP_PKEY *
+DupPrivPKeyPtr(VALUE obj)
+{
+    EVP_PKEY *pkey;
+	
+    if (rb_funcall(obj, id_private_q, 0, NULL) != Qtrue) {
+	ossl_raise(rb_eArgError, "Private key is needed.");
+    }
+    SafeGetPKey(obj, pkey);
+    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;
+}
+
+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_sign(VALUE self, VALUE digest, VALUE data)
+{
+    EVP_PKEY *pkey;
+    EVP_MD_CTX ctx;
+    unsigned int buf_len;
+    VALUE str;
+
+    if (rb_funcall(self, id_private_q, 0, NULL) != Qtrue) {
+	ossl_raise(rb_eArgError, "Private key is needed.");
+    }
+    GetPKey(self, pkey);
+    EVP_SignInit(&ctx, GetDigestPtr(digest));
+    StringValue(data);
+    EVP_SignUpdate(&ctx, RSTRING_PTR(data), RSTRING_LEN(data));
+    str = rb_str_new(0, EVP_PKEY_size(pkey)+16);
+    if (!EVP_SignFinal(&ctx, (unsigned char *)RSTRING_PTR(str), &buf_len, pkey))
+	ossl_raise(ePKeyError, NULL);
+    assert(buf_len <= RSTRING_LEN(str));
+    rb_str_set_len(str, buf_len);
+
+    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_PTR(data), RSTRING_LEN(data));
+    switch (EVP_VerifyFinal(&ctx, (unsigned char *)RSTRING_PTR(sig), RSTRING_LEN(sig), pkey)) {
+    case 0:
+	return Qfalse;
+    case 1:
+	return Qtrue;
+    default:
+	ossl_raise(ePKeyError, NULL);
+    }
+    return Qnil; /* dummy */
+}
+
+/*
+ * INIT
+ */
+void
+Init_ossl_pkey()
+{
+#if 0 /* let rdoc know about mOSSL */
+    mOSSL = rb_define_module("OpenSSL");
+#endif
+        
+    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, "sign", ossl_pkey_sign, 2);
+    rb_define_method(cPKey, "verify", ossl_pkey_verify, 3);
+	
+    id_private_q = rb_intern("private?");
+	
+    /*
+     * INIT rsa, dsa, dh, ec
+     */
+    Init_ossl_rsa();
+    Init_ossl_dsa();
+    Init_ossl_dh();
+    Init_ossl_ec();
+}
+