1 files changed, 0 insertions, 133 deletions
diff --git a/moon-abe/pbc-0.5.14/example/bls.c b/moon-abe/pbc-0.5.14/example/bls.c
deleted file mode 100644
index 8b62a097..00000000
--- a/moon-abe/pbc-0.5.14/example/bls.c
+++ /dev/null
@@ -1,133 +0,0 @@
-// Boneh-Lynn-Shacham short signatures demo.
-//
-// See the PBC_sig library for a practical implementation.
-//
-// Ben Lynn
-#include <pbc.h>
-#include <pbc_test.h>
-
-int main(int argc, char **argv) {
-  pairing_t pairing;
-  element_t g, h;
-  element_t public_key, sig;
-  element_t secret_key;
-  element_t temp1, temp2;
-
-  pbc_demo_pairing_init(pairing, argc, argv);
-
-  element_init_G2(g, pairing);
-  element_init_G2(public_key, pairing);
-  element_init_G1(h, pairing);
-  element_init_G1(sig, pairing);
-  element_init_GT(temp1, pairing);
-  element_init_GT(temp2, pairing);
-  element_init_Zr(secret_key, pairing);
-
-  printf("Short signature test\n");
-
-  //generate system parameters
-  element_random(g);
-  element_printf("system parameter g = %B\n", g);
-
-  //generate private key
-  element_random(secret_key);
-  element_printf("private key = %B\n", secret_key);
-
-  //compute corresponding public key
-  element_pow_zn(public_key, g, secret_key);
-  element_printf("public key = %B\n", public_key);
-
-  //generate element from a hash
-  //for toy pairings, should check that pairing(g, h) != 1
-  element_from_hash(h, "hashofmessage", 13);
-  element_printf("message hash = %B\n", h);
-
-  //h^secret_key is the signature
-  //in real life: only output the first coordinate
-  element_pow_zn(sig, h, secret_key);
-  element_printf("signature = %B\n", sig);
-
-  {
-    int n = pairing_length_in_bytes_compressed_G1(pairing);
-    //int n = element_length_in_bytes_compressed(sig);
-    int i;
-    unsigned char *data = pbc_malloc(n);
-
-    element_to_bytes_compressed(data, sig);
-    printf("compressed = ");
-    for (i = 0; i < n; i++) {
-      printf("%02X", data[i]);
-    }
-    printf("\n");
-
-    element_from_bytes_compressed(sig, data);
-    element_printf("decompressed = %B\n", sig);
-
-    pbc_free(data);
-  }
-
-  //verification part 1
-  element_pairing(temp1, sig, g);
-  element_printf("f(sig, g) = %B\n", temp1);
-
-  //verification part 2
-  //should match above
-  element_pairing(temp2, h, public_key);
-  element_printf("f(message hash, public_key) = %B\n", temp2);
-
-  if (!element_cmp(temp1, temp2)) {
-    printf("signature verifies\n");
-  } else {
-    printf("*BUG* signature does not verify *BUG*\n");
-  }
-
-  {
-    int n = pairing_length_in_bytes_x_only_G1(pairing);
-    //int n = element_length_in_bytes_x_only(sig);
-    int i;
-    unsigned char *data = pbc_malloc(n);
-
-    element_to_bytes_x_only(data, sig);
-    printf("x-coord = ");
-    for (i = 0; i < n; i++) {
-      printf("%02X", data[i]);
-    }
-    printf("\n");
-
-    element_from_bytes_x_only(sig, data);
-    element_printf("de-x-ed = %B\n", sig);
-
-    element_pairing(temp1, sig, g);
-    if (!element_cmp(temp1, temp2)) {
-      printf("signature verifies on first guess\n");
-    } else {
-      element_invert(temp1, temp1);
-      if (!element_cmp(temp1, temp2)) {
-        printf("signature verifies on second guess\n");
-      } else {
-        printf("*BUG* signature does not verify *BUG*\n");
-      }
-    }
-
-    pbc_free(data);
-  }
-
-  //a random signature shouldn't verify
-  element_random(sig);
-  element_pairing(temp1, sig, g);
-  if (element_cmp(temp1, temp2)) {
-    printf("random signature doesn't verify\n");
-  } else {
-    printf("*BUG* random signature verifies *BUG*\n");
-  }
-
-  element_clear(sig);
-  element_clear(public_key);
-  element_clear(secret_key);
-  element_clear(g);
-  element_clear(h);
-  element_clear(temp1);
-  element_clear(temp2);
-  pairing_clear(pairing);
-  return 0;
-}