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200 Commits

Author SHA1 Message Date
Daira Hopwood f3041d4e07 The viewing key holder should check epk. 
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2016-02-27 21:14:39 +00:00
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