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crypto: api - Add fips_enable flag
Add the ability to turn FIPS-compliant mode on or off at boot In order to be FIPS compliant, several check may need to be preformed that may be construed as unusefull in a non-compliant mode. This patch allows us to set a kernel flag incating that we are running in a fips-compliant mode from boot up. It also exports that mode information to user space via a sysctl (/proc/sys/crypto/fips_enabled). Tested successfully by me. Signed-off-by: Neil Horman <firstname.lastname@example.org> Signed-off-by: Herbert Xu <email@example.com>
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|@@ -0,0 +1,27 @@|
|+ * FIPS 200 support.|
|+ * Copyright (c) 2008 Neil Horman <firstname.lastname@example.org>|
|+ * 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.|
|+/* Process kernel command-line parameter at boot time. fips=0 or fips=1 */|
|+static int fips_enable(char *str)|
|+ fips_enabled = !!simple_strtol(str, NULL, 0);|
|+ printk(KERN_INFO "fips mode: %s\n",|
|+ fips_enabled ? "enabled" : "disabled");|
|+ return 1;|