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1499 Commits

Author SHA1 Message Date
Daira Hopwood 9611e0b35b The arguments to Curve25519 multiplication were consistently the wrong way round. 
Also, add the base point argument to the computation of pk_enc from sk_enc.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 21:12:50 +00:00
Daira Hopwood c6ec1e0e07 Note about some fields not being constrained in the circuit. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 20:58:39 +00:00
Daira Hopwood a816d1fd18 Correct an obsolete paragraph relating a_sk and a_pk. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 20:38:58 +00:00
Daira Hopwood 32963392a8 Merge branch 'master' into 406.viewing-keys.1 2016-02-27 17:32:54 +00:00
Daira Hopwood 8c537c300b Add MIT license. fixes #15 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 17:29:48 +00:00
Daira Hopwood 0770ff87dc Acknowledgements. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 00:54:33 +00:00
Daira Hopwood 0545c5b9ca Work in progress on "Differences from Zerocash" section. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 00:54:06 +00:00
Daira Hopwood 98398f0385 Update Pour statement for viewing keys. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 00:52:14 +00:00
Daira Hopwood a2d625f1b2 Merge branch '738.fix-internalh-collision.0' into 406.viewing-keys.1 
Includes other fixes.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-26 17:22:59 +00:00
Daira Hopwood ce18d51650 Proposed fix for domain separation and truncation. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-26 16:36:59 +00:00
Daira Hopwood e7ad03ac52 The nonce input to the AEAD isn't long enough, so derive K^disclose_i using a PRF instead. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-26 01:56:04 +00:00
Daira Hopwood abb9da9937 Fix a long line. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-26 00:21:25 +00:00
Daira Hopwood f0c24c113e Merge branch '738.fix-internalh-collision.0' into 406.viewing-keys.1 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-26 00:17:19 +00:00
Daira Hopwood e20d0dd437 Fix for InternalH collision attack. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-26 00:02:11 +00:00
Daira Hopwood 1d03b32575 Fix order of arguments to nonce in Pour statement. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 23:44:44 +00:00
Daira Hopwood 14e2428c66 Include security@z.cash address. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 23:41:47 +00:00
Daira Hopwood e2d08d1073 Fix the definition of P^shared. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 23:39:20 +00:00
Daira Hopwood 91ecf4ff93 Fix keystream reuse bug found by Taylor. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 23:38:31 +00:00
Daira Hopwood 7719e708c7 Fixes to Pour statement. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 21:42:28 +00:00
Daira Hopwood 19eb032dac Fixes to encryption section. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 21:42:00 +00:00
Daira Hopwood dc4e99389e Add back some information that was lost in a previous refactoring. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 19:43:03 +00:00
Daira Hopwood 0e3aee41ac Fix encodings to take into account viewing keys. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 19:41:06 +00:00
Daira Hopwood 36340df6c2 Rearrange sections; macro cleanups. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 18:32:18 +00:00
Daira Hopwood 3576398cfb WIP: encryption and key derivation changes for viewing keys. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 17:13:31 +00:00
Daira Hopwood d33c441c91 Makefile: protocol.pdf depends on key_components.pdf. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 17:12:56 +00:00
Daira Hopwood 50dcb686f0 Define 1..N notation. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 17:12:28 +00:00
Daira Hopwood 0db3ecc2ad Add comments about changes in coin validity due to blockchain evolution. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-25 17:10:26 +00:00
Daira Hopwood a8468efb58 More WIP. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-17 02:03:50 +00:00
Daira Hopwood 6a2713ec02 WIP toward changing the disclosure ciphertext to symmetric encryption. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-17 01:57:21 +00:00
Daira Hopwood 0e43170229 New key_components diagram. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-17 00:58:02 +00:00
Daira Hopwood 2d924b2fbc Add key_components diagram. 2016-02-16 20:08:52 +00:00
Daira Hopwood a7e10012f7 Work in progress for viewing key support. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-16 20:07:31 +00:00
Daira Hopwood 9ed6ece058 Add conformance definitions and Caution section. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-16 19:49:37 +00:00
Daira Hopwood e58b268d5d Correct i to i-1 in the PRF inputs. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-16 19:47:27 +00:00
Daira Hopwood 270959b5cd Add make target that makes the PDF unconditionally. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-16 19:45:29 +00:00
Daira Hopwood b3b34c21f0 Add table of contents and version. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-11 18:54:23 +00:00
Daira Hopwood 7f00921967 Change coin commitments in Merkle tree diagram back to cm. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-11 18:37:28 +00:00
Daira Hopwood 63a13665b7 Highlight changes for Faerie Gold fix. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-11 18:21:39 +00:00
Daira Hopwood 8b3f18bbe3 Correct an error in the definition of PRF^rho. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-11 16:29:42 +00:00
Daira Hopwood dd3464441a Proposed fix for Faerie Gold attack -- WIP. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-11 16:28:59 +00:00
Daira Hopwood 0d8ca188fe Formatting cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-11 16:27:55 +00:00
Daira Hopwood f169514c65 Highlight changes from original Zerocash. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-11 15:04:56 +00:00
Daira Hopwood 55c631d37f Correct the length of pk_enc in a raw-encoded address. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-09 00:51:25 +00:00
Daira Hopwood e30bd3e555 Clarification of another difference from crypto_box_seal. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-07 21:55:20 +00:00
Daira Hopwood 0329a2e768 Cosmetics. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-07 21:54:57 +00:00
Daira Hopwood eafecf2ad9 Proposed fix to issue raised by Matthew Green about defence in depth. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-07 11:38:10 +00:00
Daira Hopwood c822d433d0 Reorder definitions to avoid a forward reference. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-07 11:26:30 +00:00
Daira Hopwood c3646a4cd4 Fix formatting and warnings. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-07 11:26:13 +00:00
Daira Hopwood d8cf2eae83 Switch from blake2b to SHA-256 for nonce computations. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-07 11:25:51 +00:00
Daira Hopwood 3d56cf291a Memo field fixes. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-07 11:25:51 +00:00