early-access version 1255

externals/libressl/crypto/dsa/dsa_meth.c

@@ -0,0 +1,78 @@
+/*	$OpenBSD: dsa_meth.c,v 1.1 2018/03/17 15:19:12 tb Exp $	*/
+/*
+ * Copyright (c) 2018 Theo Buehler <tb@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/dsa.h>
+#include <openssl/err.h>
+
+DSA_METHOD *
+DSA_meth_new(const char *name, int flags)
+{
+	DSA_METHOD *meth;
+
+	if ((meth = calloc(1, sizeof(*meth))) == NULL)
+		return NULL;
+	if ((meth->name = strdup(name)) == NULL) {
+		free(meth);
+		return NULL;
+	}
+	meth->flags = flags;
+
+	return meth;
+}
+
+void
+DSA_meth_free(DSA_METHOD *meth)
+{
+	if (meth != NULL) {
+		free((char *)meth->name);
+		free(meth);
+	}
+}
+
+DSA_METHOD *
+DSA_meth_dup(const DSA_METHOD *meth)
+{
+	DSA_METHOD *copy;
+
+	if ((copy = calloc(1, sizeof(*copy))) == NULL)
+		return NULL;
+	memcpy(copy, meth, sizeof(*copy));
+	if ((copy->name = strdup(meth->name)) == NULL) {
+		free(copy);
+		return NULL;
+	}
+	
+	return copy;
+}
+
+int
+DSA_meth_set_sign(DSA_METHOD *meth,
+    DSA_SIG *(*sign)(const unsigned char *, int, DSA *))
+{
+	meth->dsa_do_sign = sign;
+	return 1;
+}
+
+int
+DSA_meth_set_finish(DSA_METHOD *meth, int (*finish)(DSA *))
+{
+	meth->finish = finish;
+	return 1;
+}