[16/many] acrypto: crypto_user.h

Evgeniy Polyakov
2005-03-08T03:08:38Z

--- /tmp/empty/crypto_user.h 1970-01-01 03:00:00.000000000 +0300
+++ ./acrypto/crypto_user.h 2005-03-07 20:35:36.000000000 +0300
@@ -0,0 +1,52 @@
+/*
+ * crypto_user.h
+ *
+ * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __CRYPTO_USER_H
+#define __CRYPTO_USER_H
+
+#define MAX_DATA_SIZE 3
+#define ALIGN_DATA_SIZE(size) ((size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
+
+enum crypto_user_data_types
+{
+ CRYPTO_USER_DATA_SRC = 0,
+ CRYPTO_USER_DATA_DST,
+ CRYPTO_USER_DATA_KEY,
+ CRYPTO_USER_DATA_IV,
+};
+
+struct crypto_user_data
+{
+ __u16 data_size;
+ __u16 data_type;
+};
+
+
+#ifdef __KERNEL__
+
+int crypto_user_alloc_crypto_data(struct crypto_data *data, int src_size, int dst_size, int key_size, int iv_size);
+void crypto_user_free_crypto_data(struct crypto_data *data);
+void crypto_user_fill_sg(void *ptr, u16 size, struct scatterlist *sg);
+struct scatterlist *crypto_user_get_sg(struct crypto_user_data *ud, struct crypto_data *data);
+int crypto_user_fill_sg_data(struct crypto_user_data *ud, struct crypto_data *data, void *ptr);
+
+#endif /* __KERNEL__ */
+#endif /* __CRYPTO_USER_H */