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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:23:50 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:03 +0200
commita38f7907b926e4c6c7d389ad96cc38cec2e5a9e9 (patch)
treeb8b5735b794a5ba98b8dd05ba0c87d3c09971a67 /include/linux/cryptouser.h
parent22e5b20be72e2e166c3ba915b01a59a8eb2dc71f (diff)
crypto: Add userspace configuration API
This patch adds a basic userspace configuration API for the crypto layer. With this it is possible to instantiate, remove and to show crypto algorithms from userspace. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/linux/cryptouser.h')
-rw-r--r--include/linux/cryptouser.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h
new file mode 100644
index 000000000000..b874e3879d81
--- /dev/null
+++ b/include/linux/cryptouser.h
@@ -0,0 +1,52 @@
+/*
+ * Crypto user configuration API.
+ *
+ * Copyright (C) 2011 secunet Security Networks AG
+ * Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/* Netlink configuration messages. */
+enum {
+ CRYPTO_MSG_BASE = 0x10,
+ CRYPTO_MSG_NEWALG = 0x10,
+ CRYPTO_MSG_DELALG,
+ CRYPTO_MSG_UPDATEALG,
+ CRYPTO_MSG_GETALG,
+ __CRYPTO_MSG_MAX
+};
+#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
+#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
+
+#define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME
+
+/* Netlink message attributes. */
+enum crypto_attr_type_t {
+ CRYPTOCFGA_UNSPEC,
+ CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
+ __CRYPTOCFGA_MAX
+
+#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
+};
+
+struct crypto_user_alg {
+ char cru_name[CRYPTO_MAX_ALG_NAME];
+ char cru_driver_name[CRYPTO_MAX_ALG_NAME];
+ char cru_module_name[CRYPTO_MAX_ALG_NAME];
+ __u32 cru_type;
+ __u32 cru_mask;
+ __u32 cru_refcnt;
+ __u32 cru_flags;
+};