1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <glib.h>
#include <pbc.h>
#include <pbc_random.h>
#include "bswabe.h"
#include "common.h"
#include "policy_lang.h"
char* usage =
"Usage: peks-index [OPTION ...] PUB_KEY IND\n"
"\n"
"Generate an encrypted index given a clear index IND.\n"
"The clear index should be of the form:\n"
"keyword_1\n"
"keyword_2\n"
"...\n"
"It uses the public key PUB_KEY and a clear index IND.\n"
"The encrypted index will be written to the file \"enc_ind\"\n"
"unless the --output is used.\n"
"\n"
"Mandatory arguments to long options are mandatory for short options too.\n\n"
" -h, --help print this message\n\n"
" -v, --version print version information\n\n"
" -o, --output FILE write index to FILE\n\n"
" -d, --deterministic use deterministic \"random\" numbers\n"
"";
char* pub_file = 0;
// char* msk_file = 0;
char* ind_file = 0;
char* out_file = "enc_ind";
void
parse_args( int argc, char** argv )
{
int i;
for( i = 1; i < argc; i++ )
if( !strcmp(argv[i], "-h") || !strcmp(argv[i], "--help") )
{
printf("%s", usage);
exit(0);
}
else if( !strcmp(argv[i], "-v") || !strcmp(argv[i], "--version") )
{
printf(CPABE_VERSION, "-keygen");
exit(0);
}
else if( !strcmp(argv[i], "-o") || !strcmp(argv[i], "--output") )
{
if( ++i >= argc )
die(usage);
else
out_file = argv[i];
}
else if( !strcmp(argv[i], "-d") || !strcmp(argv[i], "--deterministic") )
{
pbc_random_set_deterministic(0);
}
else if( !pub_file )
{
pub_file = argv[i];
}
/* else if( !msk_file )
{
msk_file = argv[i];
}*/
else if( !ind_file )
{
ind_file = argv[i];
}
// if( !pub_file || !msk_file || !ind_file)
if( !pub_file || !ind_file)
die(usage);
}
int
main( int argc, char** argv )
{
bswabe_pub_t* pub;
peks_ind_t* ind;
parse_args(argc, argv);
/* Retrieve public key */
pub = bswabe_pub_unserialize(suck_file(pub_file), 1);
ind = peks_enc_ind( pub, ind_file );
spit_file(out_file, peks_ind_serialize(ind), 1);
// For testing (requires the master key)
/*
bswabe_msk_t* msk;
peks_ind_t* ind2;
peks_trap_t* trap;
msk = bswabe_msk_unserialize(pub, suck_file(msk_file), 1);
ind2 = peks_ind_unserialize(pub, suck_file(out_file), 1);
trap = peks_trap( pub, msk, "test\n" );
if( !peks_test_ind( pub, ind2, trap ))
printf("The encrypted index contains the word test\n");
*/
return 0;
}
|