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Author SHA1 Message Date
Kris Nuttycombe 3cec519ce4 scripted-diff: Update Zcash copyrights to 2023 
-BEGIN VERIFY SCRIPT-
for party in "The Zcash developers" "The Bitcoin Core developers" "Bitcoin Developers"; do
  sed -i"" -e "s#Copyright (c) \([0-9]\{4\}\)\(-[0-9]\{4\}\)\? $party#Copyright (c) \1-2023 $party#" COPYING
  sed -i"" -e "s#\(.*\)\([0-9]\{4\}\)\(-[0-9]\{4\}\)\, $party#\1\2-2023, $party#" contrib/debian/copyright
done

sed -i"" -e "s/define(_COPYRIGHT_YEAR, [0-9]\{4\})/define(_COPYRIGHT_YEAR, 2023)/" configure.ac
sed -i"" -e "s/#define COPYRIGHT_YEAR [0-9]\{4\}/#define COPYRIGHT_YEAR 2023/" src/clientversion.h

git grep "^// Copyright (c) .* The Zcash developers" \
  | awk -F ':' '{print $1}' \
  | xargs -I {} sed -i"" -e "s#// Copyright (c) \([0-9]\{4\}\)\(-[0-9]\{4\}\)\? The Zcash developers#// Copyright (c) \1-2023 The Zcash developers#" {}
-END VERIFY SCRIPT-
 2023-01-23 11:31:54 -07:00
Kris Nuttycombe 5ae1772d2b scripted-diff: Update Zcash copyrights to 2022 
-BEGIN VERIFY SCRIPT-
git grep "// Copyright (c) .* The Zcash developers" \
  | awk -F ':' '{print $1}' \
  | xargs -I {} sed -i"" -e "s#// Copyright (c) \([0-9]\{4\}\)\(-[0-9]\{4\}\)\? The Zcash developers#// Copyright (c) \1-2022 The Zcash developers#" {}
-END VERIFY SCRIPT-
 2022-05-11 16:47:12 -06:00
Kris Nuttycombe 0c38ad9200 Return std::optional<CExtKey> from CExtKey::Master 
Master key generation is fallible, but the type of master
key generation did not previously reflect that the generated
key might be invalid.
 2022-03-11 18:47:01 -07:00
Kris Nuttycombe b67e62d977 Address comments from code review. 2021-10-29 13:38:36 -06:00
Kris Nuttycombe 2885ae7643 Derive transparent keys from mnemonic seed. 2021-10-19 17:51:14 -06:00
Kris Nuttycombe 83dee7e886 Adds basic unified spending key derivation. 
Also, begin pruning Sapling key derivation down to the
minimal amount required to support the legacy Sapling
key derivation process.
 2021-10-19 11:48:02 -06:00
Pavel Janík 48be374f68 Do not shadow variables 
(cherry picked from commit 4731cab8fbff51a8178c85d572e2482040278616)

Zcash: Excluding changes to code we haven't backported.
 2021-04-02 16:04:55 +13:00
Dimitris Apostolou f459e43dc9
Update links 2020-12-13 11:24:44 +02:00
practicalswift a3fbfe4efc Improve readability by removing redundant casts to same type (on all platforms) 2020-09-25 14:56:20 +01:00
Jeremy Rubin 94f7ae6ce8 Fix subscript[0] potential bugs in key.cpp 2020-09-25 14:54:17 +01:00
Wladimir J. van der Laan 8d0f80f831 wallet: Get rid of LockObject and UnlockObject calls in key.h 
Replace these with vectors allocated from the secure allocator.

This avoids mlock syscall churn on stack pages, as well as makes
it possible to get rid of these functions.

Please review this commit and the previous one carefully that
no `sizeof(vectortype)` remains in the memcpys and memcmps usage
(ick!), and `.data()` or `&vec[x]` is used as appropriate instead of
&vec.
 2020-07-31 06:43:08 +01:00
Daira Hopwood bc909a7a7f Replace http with https: in links to the MIT license. 
Also change MIT/X11 to just MIT, since no distinction was intended.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
 2019-07-18 15:26:01 +01:00
Jonas Schnelli 6cbe2c482c
add bip32 pubkey serialization 
CExtPubKey should be serializable like CPubKey
 2018-04-16 07:38:36 -06:00
Jack Grigg c4c7c6630b
Scope the ECDSA constant sizes to CPubKey / CKey classes 2017-12-20 17:28:13 +00:00
Bruno Arueira d2c1e4a807 Removes out bitcoin mention in favor for zcash 
Bitcoin Core => Zcash
bitcoin address => Zcash address
bitcoinaddress => zcashaddress

Closes #1756
 2017-10-04 17:05:30 -07:00
Jack Grigg fd0d1c7d60
Ensure that ECDSA constant sizes are correctly-sized 2017-06-17 12:10:15 +12:00
Jack Grigg 1f5941062a
Remove redundant `= 0` initialisations 2017-06-17 12:10:14 +12:00
Jack Grigg 877964c82f
Specify ECDSA constant sizes as constants 2017-06-17 12:10:14 +12:00
Jack Grigg c032f1b687
Add comments 2017-06-17 12:09:44 +12:00
Jack Grigg 50fa079748
Fix potential overflows in ECDSA DER parsers 2017-06-06 20:08:03 +12:00
Pieter Wuille c1afe40a17
Update key.cpp to new secp256k1 API 2017-06-06 17:50:22 +12:00
Jack Grigg 207924a1d5
Remove OpenSSL PRNG reseeding 
Per https://download.libsodium.org/doc/generating_random_data/ reseeding the
default libsodium PRNG is not required.
 2017-01-23 17:06:54 +01:00
Wladimir J. van der Laan 6a877e870e
Merge pull request #6034 
a574899 chaincodes: abstract away more chaincode behavior [squashme] replace struct CCainCode with a typedef uint256 ChainCode (Cory Fields)
8cf1485 Abstract chaincodes into CChainCode (Pieter Wuille)
 2015-05-06 18:37:49 +02:00
Cory Fields a574899671 chaincodes: abstract away more chaincode behavior 
[squashme] replace struct CCainCode with a typedef uint256 ChainCode
 2015-05-06 17:22:46 +02:00
Pieter Wuille a56054be65 Update key.cpp to use new libsecp256k1 
libsecp256k1's API changed, so update key.cpp to use it.

Libsecp256k1 now has explicit context objects, which makes it completely thread-safe.
In turn, keep an explicit context object in key.cpp, which is explicitly initialized
destroyed. This is not really pretty now, but it's more efficient than the static
initialized object in key.cpp (which made for example bitcoin-tx slow, as for most of
its calls, libsecp256k1 wasn't actually needed).

This also brings in the new blinding support in libsecp256k1. By passing in a random
seed, temporary variables during the elliptic curve computations are altered, in such
a way that if an attacker does not know the blind, observing the internal operations
leaks less information about the keys used. This was implemented by Greg Maxwell.
 2015-05-04 14:45:34 +02:00
Pieter Wuille 8cf1485f3b Abstract chaincodes into CChainCode 
# Conflicts:
#	src/key.cpp
#	src/key.h
 2015-05-02 11:17:16 +02:00
Pieter Wuille 437ada3e55 Switch test case signing to RFC6979 extra entropy 
Instead of manually tweaking the deterministic nonce post-generation,
pass the test case number in as extra entropy to RFC6979.
 2015-03-27 15:31:47 -07:00
Cory Fields 16a58a8644 keys: remove libsecp256k1 verification until it's actually supported 
This was added a while ago for testing purposes, but was never intended to be
used. Remove it until upstream libsecp256k1 decides that verification is
stable/ready.
 2015-03-02 11:31:43 -05:00
Pieter Wuille 1a9576de9d Use libsecp256k1's RFC6979 implementation 2015-01-06 00:28:44 +01:00
Wladimir J. van der Laan 734f85c4f0 Use arith_uint256 where necessary 
Also add conversion from/to uint256 where needed.
 2015-01-05 15:45:35 +01:00
Wladimir J. van der Laan 4f1524966a Replace direct use of 0 with SetNull and IsNull 
Replace x=0 with .SetNull(),
x==0 with IsNull(), x!=0 with !IsNull().
Replace uses of uint256(0) with uint256().
 2015-01-05 15:45:34 +01:00
Pieter Wuille 9a5cabf3da
Merge pull request #5508 
146c0a7 Add RandAddSeedPerfmon to MakeNewKey (21E14)
 2015-01-04 16:37:24 +01:00
sandakersmann f914f1a746
Added "Core" to copyright headers 
Github-Pull: #5494
Rebased-From: 15de949bb9277e442302bdd8dee299a8d6deee60
 2014-12-19 19:55:32 +01:00
21E14 146c0a7c5a Add RandAddSeedPerfmon to MakeNewKey 2014-12-18 20:25:04 -05:00
Pieter Wuille 830ee48b59 Update Bitcoin for libsecp256k1 API change 2014-12-11 02:06:28 +01:00
Wladimir J. van der Laan f0877f8b62
Merge pull request #5227 
4cdaa95 Resize after succesful result (Pieter Wuille)
9d8604f Header define style cleanups (Pieter Wuille)
a53fd41 Deterministic signing (Pieter Wuille)
3060e36 Add the RFC6979 PRNG (Pieter Wuille)
a8f5087 Add HMAC-SHA256 (Pieter Wuille)
36fa4a7 Split up crypto/sha2 (Pieter Wuille)
 2014-12-01 14:57:58 +01:00
Pieter Wuille 4cdaa95a20 Resize after succesful result 2014-11-28 21:16:51 +01:00
Pieter Wuille f321d6bfff Add key generation/verification to ECC sanity check 2014-11-23 10:47:39 +01:00
Pieter Wuille d0c41a7350 Add sanity check after key generation 
Add a sanity check to prevent cosmic rays from flipping a bit in the
generated public key, or bugs in the elliptic curve code. This is
simply done by signing a (randomized) message, and verifying the
result.
 2014-11-23 10:47:39 +01:00
Pieter Wuille a53fd41485 Deterministic signing 2014-11-20 17:22:06 +01:00
Pieter Wuille 36fa4a78ac Split up crypto/sha2 2014-11-20 17:22:02 +01:00
Pieter Wuille dffb8f81b8 Use libsecp256k1 in key.cpp 2014-11-18 18:06:46 +01:00
Pieter Wuille f4e0aefadc Do signature-s negation inside the tests 
To avoid the need for libsecp256k1 to expose such functionality.
 2014-11-10 05:03:24 -08:00
Cory Fields d2e74c55bd boost: moveonly: split CPubKey and friends to new files 2014-10-31 01:19:37 -04:00
Cory Fields 78c228c6e5 boost: moveonly: move BIP32Hash to hash.h 2014-10-31 01:13:07 -04:00
Cory Fields 900078aeb4 boost: moveonly: create eccryptoverify.h|cpp and move helper functions there 
Eventually (after 0.10) these files will hold the logic for crypto
verification routines, and CKey/CPubKey will call into them.
 2014-10-31 01:13:07 -04:00
Michael Ford 2b173d3bcc Update comments in keystore to be doxygen compatible 2014-10-28 12:06:59 +08:00
Michael Ford ffd8eddab5 Update comments in key to be doxygen compatible 2014-10-28 12:02:25 +08:00
Cory Fields 50f71cd52e boost: code movement only: split CECKey into separate files 2014-10-27 15:00:58 -04:00
Cory Fields bdaec6abd3 boost: remove CPubKey dependency from CECKey. Follow-up of e405aa48 2014-10-27 14:39:32 -04:00