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author | Supriti Singh <supritisingh08@gmail.com> | 2014-04-07 17:23:33 +0000 |
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committer | Supriti Singh <supritisingh08@gmail.com> | 2014-04-07 17:23:33 +0000 |
commit | 395864e0875252a779e783765b955c4193741065 (patch) | |
tree | 7c7b2c8a92732c3ce862fb315f886255f18c0b45 /src/util/crypto_ecc.c | |
parent | daa7b00b515bba437b467e66753a1cda7afa2e3f (diff) | |
download | gnunet-395864e0875252a779e783765b955c4193741065.tar.gz gnunet-395864e0875252a779e783765b955c4193741065.zip |
1.Removed GNUNET_CRYPTO_compute_finger_identity
2.Removed myself as the first element of the trail.
3.Multiple entries in the routing table.
4.Put/Get/Monitor from old DHT added back in clients file.
Diffstat (limited to 'src/util/crypto_ecc.c')
-rw-r--r-- | src/util/crypto_ecc.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/util/crypto_ecc.c b/src/util/crypto_ecc.c index 83d329442..23d6ade7e 100644 --- a/src/util/crypto_ecc.c +++ b/src/util/crypto_ecc.c | |||
@@ -1448,73 +1448,6 @@ GNUNET_CRYPTO_ecdsa_private_key_derive (const struct GNUNET_CRYPTO_EcdsaPrivateK | |||
1448 | 1448 | ||
1449 | 1449 | ||
1450 | /** | 1450 | /** |
1451 | * Computes a new PeerIdentity using the Chord formula. | ||
1452 | * new_peer_identity = ((my_identity + pow(2,i)) mod (pow(2,m) | ||
1453 | * where m, size of struct GNUNET_PeerIdentity in bits. | ||
1454 | * i, 0 <= i <= m | ||
1455 | * @param my_identity original PeerIdentity | ||
1456 | * @param value of i. | ||
1457 | * @return finger_identity | ||
1458 | */ | ||
1459 | struct GNUNET_PeerIdentity * | ||
1460 | GNUNET_CRYPTO_compute_finger_identity(struct GNUNET_PeerIdentity *my_identity, unsigned int index) | ||
1461 | { | ||
1462 | gcry_mpi_t my_identity_mpi; | ||
1463 | gcry_mpi_t finger_identity_mpi; | ||
1464 | gcry_mpi_t add; | ||
1465 | gcry_mpi_t mod; | ||
1466 | gcry_error_t rc; | ||
1467 | struct GNUNET_PeerIdentity *finger_identity; | ||
1468 | size_t read = 0; | ||
1469 | size_t write = 0; | ||
1470 | |||
1471 | finger_identity = GNUNET_malloc(sizeof(struct GNUNET_PeerIdentity)); | ||
1472 | |||
1473 | /* Initialize my_identity_mpi. */ | ||
1474 | my_identity_mpi = gcry_mpi_new(8*sizeof(struct GNUNET_PeerIdentity)); | ||
1475 | |||
1476 | /* Copy my_identity into my_id */ | ||
1477 | if(0 != (rc = gcry_mpi_scan(&my_identity_mpi, GCRYMPI_FMT_USG, my_identity->public_key.q_y, | ||
1478 | sizeof(struct GNUNET_PeerIdentity), &read))) | ||
1479 | { | ||
1480 | LOG_GCRY (GNUNET_ERROR_TYPE_DEBUG, "gcry_mpi_scan", rc); | ||
1481 | GNUNET_free(finger_identity); | ||
1482 | return NULL; | ||
1483 | } | ||
1484 | |||
1485 | /* Initialize finger_identity_mpi */ | ||
1486 | finger_identity_mpi = gcry_mpi_new(8*sizeof(struct GNUNET_PeerIdentity)); | ||
1487 | |||
1488 | /* Initialize add */ | ||
1489 | add = gcry_mpi_new(8*sizeof(struct GNUNET_PeerIdentity)); | ||
1490 | |||
1491 | /* Set the index bit in add.*/ | ||
1492 | gcry_mpi_set_bit(add,index); | ||
1493 | |||
1494 | /* Initialize mod */ | ||
1495 | mod = gcry_mpi_new(8*sizeof(struct GNUNET_PeerIdentity) + 1); | ||
1496 | gcry_mpi_set_bit(mod,257); | ||
1497 | gcry_mpi_sub_ui(mod,mod,(unsigned long)1); | ||
1498 | |||
1499 | |||
1500 | /* finger_identity_mpi = (my_identity_mpi + add) % mod */ | ||
1501 | gcry_mpi_addm(finger_identity_mpi,my_identity_mpi,add,mod); | ||
1502 | |||
1503 | |||
1504 | /* Copy finger_identity_mpi to finger_identity */ | ||
1505 | if(0 != (rc = gcry_mpi_print(GCRYMPI_FMT_USG,finger_identity->public_key.q_y, | ||
1506 | 32,&write,finger_identity_mpi))) | ||
1507 | { | ||
1508 | LOG_GCRY (GNUNET_ERROR_TYPE_DEBUG, "gcry_mpi_print", rc); | ||
1509 | GNUNET_free(finger_identity); | ||
1510 | return NULL; | ||
1511 | } | ||
1512 | |||
1513 | return finger_identity; | ||
1514 | } | ||
1515 | |||
1516 | |||
1517 | /** | ||
1518 | * Derive a public key from a given public key and a label. | 1451 | * Derive a public key from a given public key and a label. |
1519 | * Essentially calculates a public key 'V = H(l,P) * P'. | 1452 | * Essentially calculates a public key 'V = H(l,P) * P'. |
1520 | * | 1453 | * |