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author | 2015-09-04 09:25:34 +0200 | |
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committer | 2015-09-04 09:25:34 +0200 | |
commit | 3baeb11a8fbcfcdbc31976d421f17b85503b3ecd (patch) | |
tree | 04891d88c1127148f1b390b5a24414e85b270aee /moon-abe/cpabe-0.11/trap.c | |
parent | 67c5b73910f5fc437429c356978081b252a59480 (diff) |
init attribute-based encryption
Change-Id: Iba1a3d722110abf747a0fba366f3ebc911d25b25
Diffstat (limited to 'moon-abe/cpabe-0.11/trap.c')
-rw-r--r-- | moon-abe/cpabe-0.11/trap.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/moon-abe/cpabe-0.11/trap.c b/moon-abe/cpabe-0.11/trap.c new file mode 100644 index 00000000..c1d780f8 --- /dev/null +++ b/moon-abe/cpabe-0.11/trap.c @@ -0,0 +1,106 @@ +#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-trap [OPTION ...] PUB_KEY MSK_KEY KEYWORD\n" +"\n" +"Generate an encrypted trapdoor given a clear keyword KEYWORD.\n" +"It uses the public key PUB_KEY and the master key MSK_KEY.\n" +"The encrypted trapdoor will be written to the file \"enc_trap\"\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* keyword = 0; +char* out_file = "enc_trap"; + +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( !keyword ) + { + keyword = argv[i]; + } + + + if( !pub_file || !msk_file || !keyword) +// if( !pub_file || !ind_file) + die(usage); + +} + +int +main( int argc, char** argv ) +{ + + bswabe_msk_t* msk; + bswabe_pub_t* pub; + peks_trap_t* trap; + char bufKeyword[256]; + + + parse_args(argc, argv); + + /* Retrieve public key */ + pub = bswabe_pub_unserialize(suck_file(pub_file), 1); + msk = bswabe_msk_unserialize(pub, suck_file(msk_file), 1); + + /* It is necessary to add \n at the end of the keyword */ + strcpy(bufKeyword, keyword); + strcat(bufKeyword, "\n"); + + trap = peks_trap( pub, msk, bufKeyword ); + + spit_file(out_file, peks_trap_serialize(trap), 1); + + return 0; +} |