aboutsummaryrefslogtreecommitdiffstats
path: root/moon-abe/pbc-0.5.14/example/paterson.c
diff options
context:
space:
mode:
authorwukong <rebirthmonkey@gmail.com>2015-11-23 17:48:48 +0100
committerwukong <rebirthmonkey@gmail.com>2015-11-23 17:48:48 +0100
commitfca74d4bc3569506a6659880a89aa009dc11f552 (patch)
tree4cefd06af989608ea8ebd3bc6306889e2a1ad175 /moon-abe/pbc-0.5.14/example/paterson.c
parent840ac3ebca7af381132bf7e93c1e4c0430d6b16a (diff)
moon-abe cleanup
Change-Id: Ie1259856db03f0b9e80de3e967ec6bd1f03191b3
Diffstat (limited to 'moon-abe/pbc-0.5.14/example/paterson.c')
-rw-r--r--moon-abe/pbc-0.5.14/example/paterson.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/moon-abe/pbc-0.5.14/example/paterson.c b/moon-abe/pbc-0.5.14/example/paterson.c
deleted file mode 100644
index 4e21fc9f..00000000
--- a/moon-abe/pbc-0.5.14/example/paterson.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- Paterson ID-based signature.
- Based on papers "K. G. Paterson. ID-Based Signatures from Pairings on Elliptic Curvers. Electron. Lett., Vol. 38". Available at http://eprint.iacr.org/2002/004."
- Contributed by Dmitry Kosolapov.
-*/
-
-#include <pbc.h>
-#include <pbc_test.h>
-
-int main(int argc, char **argv) {
- pairing_t pairing;
- double time1, time2;
- element_t Ppub, s, P, R, k, S, Did, Qid, t1, t2, t4, t5, t6, t7, t8,
- t9, t10, t11;
- mpz_t t3;
- mpz_init(t3);
- pbc_demo_pairing_init(pairing, argc, argv);
- if (!pairing_is_symmetric(pairing)) pbc_die("pairing must be symmetric");
-
- element_init_G1(P, pairing);
- element_init_G1(Ppub, pairing);
- element_init_G1(Qid, pairing);
- element_init_G1(Did, pairing);
- element_init_G1(R, pairing);
- element_init_G1(S, pairing);
- element_init_G1(t2, pairing);
- element_init_G1(t4, pairing);
- element_init_G1(t5, pairing);
- element_init_G1(t7, pairing);
-
- element_init_Zr(s, pairing);
- element_init_Zr(k, pairing);
- element_init_Zr(t1, pairing);
-
- element_init_GT(t6, pairing);
- element_init_GT(t8, pairing);
- element_init_GT(t9, pairing);
- element_init_GT(t10, pairing);
- element_init_GT(t11, pairing);
-
- time1 = pbc_get_time();
- printf("Paterson ID-based signature.\n");
- printf("KEYGEN\n");
- element_random(P);
- element_random(s);
- element_mul_zn(Ppub, P, s);
- element_printf("P = %B\n", P);
- element_printf("Ppub = %B\n", Ppub);
- element_from_hash(Qid, "ID", 2);
- element_printf("Qid = %B\n", Qid);
- element_mul_zn(Did, Qid, s);
-
- printf("SIGN\n");
- element_random(k);
- element_mul_zn(R, P, k);
- element_from_hash(t1, "Message", 7);
- element_mul_zn(t2, P, t1);
- //H3(R)=mpz(R);
-// int n = element_length_in_bytes(R);
-// unsigned char *data=malloc(n);
-// element_to_bytes(data, R);
-// printf("data = %s\n", data);
- element_to_mpz(t3, R);
- element_mul_mpz(t4, Did, t3);
- element_add(t5, t4, t2);
- element_invert(k, k);
- element_mul_zn(S, t5, k);
- printf("Signature of message \"Message\" is:\n");
- element_printf("R = %B\n", R);
- element_printf("S = %B\n", S);
-
- printf("VERIFY\n");
- element_from_hash(t1, "Message", 7);
- element_mul_zn(t7, P, t1);
- element_pairing(t6, P, t7);
- element_pairing(t8, Ppub, Qid);
- element_to_mpz(t3, R);
- element_pow_mpz(t9, t8, t3);
- element_printf("t8 = %B\n", t8);
- element_printf("t9 = %B\n", t9);
- element_mul(t10, t6, t9);
- element_printf("t10 = %B\n", t10);
- element_pairing(t11, R, S);
- element_printf("[e(P, P)^H2(M)][e(Ppub, Qid)^H3(R)] = %B\n", t10);
- element_printf("e(R, S) = %B\n", t11);
- if (!element_cmp(t10, t11)) {
- printf("Signature is valid!\n");
- } else {
- printf("Signature is invalid!\n");
- }
- time2 = pbc_get_time();
- printf("All time = %fs\n", time2 - time1);
-
- element_clear(P);
- element_clear(Ppub);
- element_clear(Qid);
- element_clear(Did);
- element_clear(R);
- element_clear(t2);
- element_clear(t4);
- element_clear(t5);
- element_clear(s);
- element_clear(k);
- element_clear(t1);
- element_clear(t6);
- element_clear(t7);
- element_clear(t8);
- element_clear(t9);
- element_clear(t10);
- element_clear(t11);
- pairing_clear(pairing);
-
- return 0;
-}