style
This commit is contained in:
Markus Teich
parent
3dea4b69f5
commit
342d3729df
142
crypto.c
142
crypto.c
@ -58,17 +58,17 @@ struct zkp_challenge_0og {
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};
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static gcry_ctx_t ec_ctx;
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static gcry_mpi_point_t ec_gen;
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static gcry_mpi_point_t ec_zero;
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static gcry_mpi_t ec_n;
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static gcry_ctx_t ec_ctx;
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static gcry_mpi_point_t ec_gen;
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static gcry_mpi_point_t ec_zero;
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static gcry_mpi_t ec_n;
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static struct GNUNET_CRYPTO_EccDlogContext *ec_dlogctx;
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/**
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* brandt_crypto_init initializes the crypto system and must be called before
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* any other function from this file.
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*
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*
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* @param[in] dlogctx Pointer to the prepared dlog context.
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*/
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void
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@ -648,9 +648,9 @@ smc_gen_keyshare (struct BRANDT_Auction *ad, size_t *buflen)
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int
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smc_recv_keyshare (struct BRANDT_Auction *ad,
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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{
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int ret = 0;
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struct proof_dl *proof1;
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@ -740,16 +740,16 @@ smc_encrypt_bid (struct BRANDT_Auction *ad, size_t *buflen)
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int
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smc_recv_encrypted_bid (struct BRANDT_Auction *ad,
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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{
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_0og *proof3;
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gcry_mpi_point_t **ct; /* ciphertexts */
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gcry_mpi_point_t alpha_sum = gcry_mpi_point_new (0);
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gcry_mpi_point_t beta_sum = gcry_mpi_point_new (0);
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_0og *proof3;
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gcry_mpi_point_t **ct; /* ciphertexts */
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gcry_mpi_point_t alpha_sum = gcry_mpi_point_new (0);
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gcry_mpi_point_t beta_sum = gcry_mpi_point_new (0);
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brandt_assert (ad && buf);
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@ -944,15 +944,15 @@ fp_pub_compute_outcome (struct BRANDT_Auction *ad, size_t *buflen)
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int
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fp_pub_recv_outcome (struct BRANDT_Auction *ad,
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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{
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t gamma = gcry_mpi_point_new (0);
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gcry_mpi_point_t delta = gcry_mpi_point_new (0);
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t gamma = gcry_mpi_point_new (0);
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gcry_mpi_point_t delta = gcry_mpi_point_new (0);
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brandt_assert (ad && buf);
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@ -1058,14 +1058,14 @@ fp_pub_decrypt_outcome (struct BRANDT_Auction *ad, size_t *buflen)
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int
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fp_pub_recv_decryption (struct BRANDT_Auction *ad,
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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{
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t phi = gcry_mpi_point_new (0);
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t phi = gcry_mpi_point_new (0);
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brandt_assert (ad && buf);
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@ -1296,15 +1296,15 @@ fp_priv_compute_outcome (struct BRANDT_Auction *ad, size_t *buflen)
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int
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fp_priv_recv_outcome (struct BRANDT_Auction *ad,
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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{
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t gamma = gcry_mpi_point_new (0);
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gcry_mpi_point_t delta = gcry_mpi_point_new (0);
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t gamma = gcry_mpi_point_new (0);
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gcry_mpi_point_t delta = gcry_mpi_point_new (0);
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brandt_assert (ad && buf);
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@ -1406,14 +1406,14 @@ fp_priv_decrypt_outcome (struct BRANDT_Auction *ad, size_t *buflen)
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int
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fp_priv_recv_decryption (struct BRANDT_Auction *ad,
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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const unsigned char *buf,
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size_t buflen,
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uint16_t sender)
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{
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t phi = gcry_mpi_point_new (0);
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int ret = 0;
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const unsigned char *cur = buf;
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struct proof_2dle *proof2;
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gcry_mpi_point_t phi = gcry_mpi_point_new (0);
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brandt_assert (ad && buf);
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@ -1511,7 +1511,13 @@ smc_zkp_dl (gcry_mpi_point_t v,
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ec_point_serialize (&challenge.g, ec_gen);
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ec_point_serialize (&challenge.v, v);
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ec_point_serialize (&challenge.a, a);
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GNUNET_CRYPTO_kdf_mod_mpi (&c, ec_n, NULL, 0, &challenge, sizeof (challenge), "libbrandt zkp dl");
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GNUNET_CRYPTO_kdf_mod_mpi (&c,
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ec_n,
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NULL,
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0,
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&challenge,
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sizeof (challenge),
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"libbrandt zkp dl");
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/* r = z + cx */
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gcry_mpi_mulm (r, c, x, ec_n);
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@ -1554,7 +1560,13 @@ smc_zkp_dl_check (const gcry_mpi_point_t v,
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ec_point_serialize (&challenge.g, ec_gen);
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ec_point_serialize (&challenge.v, v);
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ec_point_serialize (&challenge.a, a);
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GNUNET_CRYPTO_kdf_mod_mpi (&c, ec_n, NULL, 0, &challenge, sizeof (challenge), "libbrandt zkp dl");
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GNUNET_CRYPTO_kdf_mod_mpi (&c,
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ec_n,
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NULL,
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0,
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&challenge,
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sizeof (challenge),
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"libbrandt zkp dl");
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/* rg =? a + cv */
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gcry_mpi_ec_mul (left, r, ec_gen, ec_ctx);
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@ -1632,7 +1644,13 @@ smc_zkp_2dle (gcry_mpi_point_t v,
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ec_point_serialize (&challenge.w, rw);
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ec_point_serialize (&challenge.a, a);
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ec_point_serialize (&challenge.b, b);
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GNUNET_CRYPTO_kdf_mod_mpi (&c, ec_n, NULL, 0, &challenge, sizeof (challenge), "libbrandt zkp 2dle");
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GNUNET_CRYPTO_kdf_mod_mpi (&c,
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ec_n,
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NULL,
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0,
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&challenge,
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sizeof (challenge),
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"libbrandt zkp 2dle");
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/* r = z + cx */
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gcry_mpi_mulm (r, c, rx, ec_n);
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@ -1694,7 +1712,13 @@ smc_zkp_2dle_check (const gcry_mpi_point_t v,
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ec_point_serialize (&challenge.w, w);
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ec_point_serialize (&challenge.a, a);
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ec_point_serialize (&challenge.b, b);
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GNUNET_CRYPTO_kdf_mod_mpi (&c, ec_n, NULL, 0, &challenge, sizeof (challenge), "libbrandt zkp 2dle");
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GNUNET_CRYPTO_kdf_mod_mpi (&c,
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ec_n,
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NULL,
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0,
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&challenge,
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sizeof (challenge),
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"libbrandt zkp 2dle");
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/* r*g1 =? a + cv */
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gcry_mpi_ec_mul (left, r, g1, ec_ctx);
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@ -1825,7 +1849,13 @@ smc_zkp_0og (int m_is_gen,
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ec_point_serialize (&challenge.a2, a2);
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ec_point_serialize (&challenge.b1, b1);
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ec_point_serialize (&challenge.b2, b2);
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GNUNET_CRYPTO_kdf_mod_mpi (&c, ec_n, NULL, 0, &challenge, sizeof (challenge), "libbrandt zkp 0og");
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GNUNET_CRYPTO_kdf_mod_mpi (&c,
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ec_n,
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NULL,
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0,
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&challenge,
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sizeof (challenge),
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"libbrandt zkp 0og");
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if (!m_is_gen)
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{ /* m == 0 */
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@ -1918,7 +1948,13 @@ smc_zkp_0og_check (const gcry_mpi_point_t y,
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ec_point_serialize (&challenge.a2, a2);
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ec_point_serialize (&challenge.b1, b1);
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ec_point_serialize (&challenge.b2, b2);
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GNUNET_CRYPTO_kdf_mod_mpi (&c, ec_n, NULL, 0, &challenge, sizeof (challenge), "libbrandt zkp 0og");
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GNUNET_CRYPTO_kdf_mod_mpi (&c,
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ec_n,
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NULL,
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0,
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&challenge,
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sizeof (challenge),
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"libbrandt zkp 0og");
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/* c == d1 + d2 */
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gcry_mpi_addm (sum, d1, d2, ec_n);
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