From 64fcbc70db16b1c94d818662746bb0e9c4fdb705 Mon Sep 17 00:00:00 2001
From: simon <simon@FreeBSD.org>
Date: Sat, 23 Aug 2008 10:51:00 +0000
Subject: Flatten OpenSSL vendor tree.

---
 crypto/ecdsa/ecs_vrf.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 crypto/ecdsa/ecs_vrf.c

(limited to 'crypto/ecdsa/ecs_vrf.c')

diff --git a/crypto/ecdsa/ecs_vrf.c b/crypto/ecdsa/ecs_vrf.c
new file mode 100644
index 0000000..ef9acf7
--- /dev/null
+++ b/crypto/ecdsa/ecs_vrf.c
@@ -0,0 +1,96 @@
+/* crypto/ecdsa/ecdsa_vrf.c */
+/*
+ * Written by Nils Larsch for the OpenSSL project
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include "ecs_locl.h"
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+
+/* returns
+ *      1: correct signature
+ *      0: incorrect signature
+ *     -1: error
+ */
+int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, 
+		const ECDSA_SIG *sig, EC_KEY *eckey)
+	{
+	ECDSA_DATA *ecdsa = ecdsa_check(eckey);
+	if (ecdsa == NULL)
+		return 0;
+	return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey);
+	}
+
+/* returns
+ *      1: correct signature
+ *      0: incorrect signature
+ *     -1: error
+ */
+int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
+		const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
+ 	{
+	ECDSA_SIG *s;
+	int ret=-1;
+
+	s = ECDSA_SIG_new();
+	if (s == NULL) return(ret);
+	if (d2i_ECDSA_SIG(&s, &sigbuf, sig_len) == NULL) goto err;
+	ret=ECDSA_do_verify(dgst, dgst_len, s, eckey);
+err:
+	ECDSA_SIG_free(s);
+	return(ret);
+	}
-- 
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