add bid encryption

1 files changed, 20 insertions, 2 deletions

diff --git a/crypto.c b/crypto.c
index 537dd66..186a704 100644
--- a/crypto.c
+++ b/crypto.c
@@ -336,7 +336,7 @@ smc_init3 (uint16_t size1, uint16_t size2, uint16_t size3)
         brandt_assert (NULL != ret);
 
         layer1 = (gcry_mpi_point_t **)&ret[size1];
-        layer2 = (gcry_mpi_point_t *)&layer1[size1*size2];
+        layer2 = (gcry_mpi_point_t *)&layer1[size1 * size2];
         for (i = 0; i < size1; i++)
         {
                 ret[i] = &layer1[i * size2];
@@ -430,7 +430,7 @@ smc_gen_keyshare (struct AuctionData *ad)
 {
         uint16_t i;
 
-        ad->y = calloc(ad->n, sizeof(*ad->y));
+        ad->y = calloc (ad->n, sizeof (*ad->y));
         for (i = 0; i < ad->n; i++)
                 ad->y[0] = gcry_mpi_point_new (0);
 
@@ -439,6 +439,24 @@ smc_gen_keyshare (struct AuctionData *ad)
 }
 
 
+void
+smc_encrypt_bid (struct AuctionData *ad,
+                 uint16_t           j,
+                 gcry_mpi_point_t   a1,
+                 gcry_mpi_point_t   a2,
+                 gcry_mpi_point_t   b1,
+                 gcry_mpi_point_t   b2,
+                 gcry_mpi_t         c,
+                 gcry_mpi_t         d1,
+                 gcry_mpi_t         d2,
+                 gcry_mpi_t         r1,
+                 gcry_mpi_t         r2)
+{
+        smc_zkp_0og (ad->alpha[ad->i][j], (j == ad->b ? ec_gen : ec_zero), ad->Y,
+                     ad->beta[ad->i][j], a1, a2, b1, b2, c, d1, d2, r1, r2);
+}
+
+
 /**
  * smc_zkp_dl
  *