1 files changed, 145 insertions, 0 deletions
diff --git a/utils/seppl-gen-key.c b/utils/seppl-gen-key.c
new file mode 100644
index 0000000..fc9afc0
--- /dev/null
+++ b/utils/seppl-gen-key.c
@@ -0,0 +1,145 @@
+/* $Id: seppl.c 16 2003-12-04 21:09:48Z lennart $ */
+
+/***
+  This file is part of seppl
+
+  seppl 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.
+  
+  seppl 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 seppl; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA
+***/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <string.h>
+
+#include "seppl_common.h"
+
+int genkey(int a, const char *keyname, int as_xml) {
+    struct Algs *alg;
+    int fd;
+    int count, sofar;
+    char *key;
+    
+    if (!(alg = find_alg_by_number(a))) {
+        fprintf(stderr, "Algorithm '%i' not found.\n", a);
+        return -1;
+    }
+
+    if (!(key = (char*) malloc(alg->bits/8))) {
+        perror("Failed to allocate memory");
+        return -1;
+    }
+
+    if ((fd = open( "/dev/random", O_RDONLY)) < 0) {
+        perror("Failed to open /dev/random");
+        free(key);
+        return -1;
+    }
+
+    sofar = 0;
+    while (sofar < alg->bits/8 ) {
+	count = read( fd, &key[sofar], alg->bits/8 - sofar );
+	if (count <= 0) {
+            fprintf(stderr, "Failed to read key data.\n");
+            free(key);
+            close(fd);
+            return -1;
+        }
+	sofar += count;
+    }
+
+    close(fd);
+
+    if (as_xml) {
+	printf("<seppl-keyring>\n");
+	dump_key_xml(a, keyname, key);
+	printf("</seppl-keyring>\n");
+    } else
+	dump_key_bin(a, keyname, key);
+
+    free(key);
+    
+    return 0;
+}
+
+static struct option long_options[] = {
+    { "algorithm", 1, 0, 'a' },
+    { "bits", 1, 0, 'b' },
+    { "help", 0, 0, 'h' },
+    { "name", 1, 0, 'n' },
+    { "no-xml", 0, 0, 'x' },
+};
+
+/* default values */
+char algorithm[32] = "aes";
+char keyname[8] = "def";
+int bits = 128;
+int asxml = 1;
+
+void usage(void) {
+    printf("seppl-gen-key:\n"
+           "   -h --help                   Show this help\n"
+           "   -x --no-xml                 No xml output\n"
+           "   -a --algorithm ALGORITHM    Specify algorithm (%s)\n"
+           "   -b --bits BITS              Specify key length (%d)\n"
+           "   -n --name NAME              Specify key name (%s)\n", algorithm, bits, keyname);
+}
+
+int main(int argc, char *argv[]) {
+    int c;
+    int option_index = 0;
+    int a;
+
+    while((c = getopt_long( argc, argv, "hxa:b:n:", long_options, &option_index )) != -1) {
+
+    	switch( c ) {
+	    case 'a':
+		/* algorithm */
+		strncpy( algorithm, optarg, 31 );
+		algorithm[31] = '\0';
+		break;
+	    case 'b':
+		/* bits */
+		bits = atoi( optarg );
+		break;
+	    case 'h':
+		/* help */
+		usage();
+                return 1;
+	    case 'n':
+		/* name */
+		strncpy( keyname, optarg, 7 );
+		keyname[7] = '\0';
+		break;
+	    case 'x':
+		/* no-xml */
+		asxml = 0;;
+		break;
+	}
+    }
+
+    
+
+    if ((a = find_alg_by_name( algorithm, bits )) < 0) {
+	fprintf( stderr, "ERROR: Cipher not available\n" );
+	return 2;
+    }
+
+    return genkey(a, keyname, asxml) < 0 ? 3 : 0;
+}