Daira Hopwood
819eb1dac9
transaction -> \transaction
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-29 01:19:34 +01:00
Daira Hopwood
4036a5d6e4
Make t 8 bits.
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(This is not a protocol change, it's just simpler because it avoids endianness issues.)
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-29 01:18:53 +01:00
Daira Hopwood
fedfc3c315
Fix an endianness bug.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-29 01:17:36 +01:00
Daira Hopwood
6f049a2c8d
Add restriction that either vpubOld or vpubNew is zero.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-29 01:16:06 +01:00
Daira Hopwood
c338fd141b
Pour descriptions go in transactions, and only indirectly in blocks. fixes #20
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-29 00:40:09 +01:00
Daira Hopwood
5bf271d993
ephemeralKey is a change from Zerocash.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-29 00:31:11 +01:00
Daira Hopwood
31ce718464
Fix endianness bug in an example.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-23 13:28:17 +00:00
Daira Hopwood
8b5c20cd38
Change i to be the first argument to KDF for consistency with other functions.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-22 20:40:52 +00:00
Daira Hopwood
d4e95b73f6
Change KDF to SHA-512 and add hSig input.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-22 17:41:57 +00:00
Daira Hopwood
8b9851a431
Remove a_pk from note plaintexts. This also fixes a bug where the recipient
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would incorrectly use the decrypted a_pk to check the coin commitment, rather
than its own a_pk.
(The length of encCiphertexts was already computed assuming this change.)
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 23:36:54 +00:00
Daira Hopwood
5bbbb0bde6
Use standard AEAD_CHACHA20_POLY1305.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 23:32:01 +00:00
Daira Hopwood
d98c941429
Switch to little-endian encoding, consistent with Bitcoin serialization.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 23:19:38 +00:00
Daira Hopwood
350c5ae598
DecryptCoin -> DecryptNote.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 20:37:43 +00:00
Daira Hopwood
c55489fa2d
Fix some macro uses, and rename rn to nf.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 20:29:42 +00:00
Daira Hopwood
5e408580c1
Remove "map" terminology; the spent nullifiers are a set at this level of abstraction.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 20:26:37 +00:00
Daira Hopwood
d60fda0e3d
Rename remnant (serial number) -> nullifier.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 19:48:19 +00:00
Daira Hopwood
0b0295e29e
Fix some cases where macros were not used consistently.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-20 19:46:19 +00:00
Daira Hopwood
08e25a8b21
WIP - new terminology.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-18 21:09:24 +00:00
Daira Hopwood
0e6953a6eb
WIP: Define types for serialized fields.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-18 01:20:44 +00:00
Daira Hopwood
5ebe7b31e0
Specify precisely the data to be signed. This includes a design change
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to use a single signature covering all of the transaction except
pourPubKey and pubSig.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-16 01:36:37 +00:00
Daira Hopwood
a5096c755a
Bibliography: cosmetics.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-16 01:34:45 +00:00
Daira Hopwood
57d94a0bf9
Specify precise encoding of ECDSA public key. Also improve description
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of how the public key is bound to the Pour statement.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-16 00:06:01 +00:00
Daira Hopwood
5d3b31b15f
Cosmetics, re-render PDF.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:23:38 +00:00
Daira Hopwood
1bd4e4cfdb
Make some subparagraphs into subsections.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:23:05 +00:00
Daira Hopwood
5a78817989
Reference libsnark for encoding of proofs.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:22:22 +00:00
Daira Hopwood
245c52036c
randomSeed must be chosen independently at random for each Pour description.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:21:41 +00:00
Daira Hopwood
223f7d2e1e
Be more precise about Pour transfers.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:20:46 +00:00
Daira Hopwood
87c502ffd3
Enforce canonical ECDSA signatures, and specify encodings (WIP).
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:20:17 +00:00
Daira Hopwood
23e66ae090
Change 'script*' variables to 'pour*', and add references.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:17:14 +00:00
Daira Hopwood
28b38b5eb9
Fix 'make clean'.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-15 23:13:51 +00:00
Daira Hopwood
10ac791004
Remove viewing keys (except for sk_enc) for now.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-13 02:16:30 +00:00
Daira Hopwood
42954ecdac
Fill in more sections of "Differences from Zerocash".
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-13 01:23:04 +00:00
Daira Hopwood
3d04c384f1
Add Nathan Wilcox to authors.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-09 00:40:08 +00:00
Daira Hopwood
1b1e1f8456
Add lead byte to KDF input.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 21:08:14 +00:00
Daira Hopwood
95e6fc42cd
Seriously, LaTeX, this paragraph is just fine.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 21:06:23 +00:00
Daira Hopwood
a8ff6110e6
Adjust list spacing. (I'm picky about things like that.)
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 21:05:45 +00:00
Daira Hopwood
e15a4fc0a4
Clarify that the nonce to AEAD_CHACHA20_POLY1305 is 96 bits, and the key 256 bits.
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fixes zips/#19
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 17:00:31 +00:00
Daira Hopwood
c57d295a38
Fix definitions of a_vk and a_pk in Pour statement. fixes zips#18
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 16:52:15 +00:00
Daira Hopwood
64c91164ab
Descriptions of scriptSig and scriptPubKey were the wrong way round. fixes zips#17
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 04:53:02 +00:00
Daira Hopwood
2fac159404
Fix index error in computation of hSig.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 04:38:51 +00:00
Daira Hopwood
26df1df754
Define some convenience macros to shorten 1..N^{old,new}.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 04:36:29 +00:00
Daira Hopwood
9bbae8ce2a
Makefile: avoid error if protocol.aux doesn't exist.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 04:15:27 +00:00
Daira Hopwood
a1b1cd62c3
Notation.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-07 03:38:00 +00:00
Daira Hopwood
6d25c4beb2
Be more precise about the specification of Curve25519 functions.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-06 23:26:40 +00:00
Daira Hopwood
a9da411767
Rearrange domain separation to make room for greater pour arities, and
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state explicitly the domain separation convention for uses of the full hash.
Also bump the draft number.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-06 22:21:48 +00:00
Daira Hopwood
39e5992e60
Clarify endianness.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-06 22:19:12 +00:00
Daira Hopwood
608c0dbcb0
Fix potential attacks due to unclamped esk provided to a viewing key holder.
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(The other change from epk to epk* in the KDF input is just for clarity,
since we check that epk* = epk.)
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-06 10:34:34 +00:00
Daira Hopwood
acf7cabe39
More PDF niceties.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-05 21:45:11 +00:00
Daira Hopwood
5e14841dce
Make hyperref links go to the top of the page to avoid having to scroll up.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-05 21:28:15 +00:00
Daira Hopwood
9069509095
Generate PDF index.
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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2016-03-05 21:12:38 +00:00