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93 commits

Author SHA1 Message Date
Wladimir J. van der Laan a34ac6ae07
Merge #9598: Improve readability by removing redundant casts to same type (on all platforms) 
06edc23f7 Improve readability by removing redundant casts to same type (on all platforms) (practicalswift)

Pull request description:

  Same binaries check under Linux:

  ```
  $ ../bitcoin-maintainer-tools/build-for-compare.py 874f13821f4193bd037cd37d005ee76b5a849398 82274c02ed --executables "src/bitcoind,src/bitcoin-cli,src/bitcoin-tx"

  $ sha256sum /tmp/compare/*.stripped
  1fe1a8827474f7f24475ce3dc851e7ac658d4ed0ae38d11e67f5a810671eaa15  /tmp/compare/bitcoin-cli.82274c02ed2d82537dc55f008a29edb1bc09bbc4.stripped
  1fe1a8827474f7f24475ce3dc851e7ac658d4ed0ae38d11e67f5a810671eaa15  /tmp/compare/bitcoin-cli.874f13821f4193bd037cd37d005ee76b5a849398.stripped
  342c2ed0e60b60990a58cbf5845b256a4f9e3baff9db074baba5e34a620a60ea  /tmp/compare/bitcoind.82274c02ed2d82537dc55f008a29edb1bc09bbc4.stripped
  342c2ed0e60b60990a58cbf5845b256a4f9e3baff9db074baba5e34a620a60ea  /tmp/compare/bitcoind.874f13821f4193bd037cd37d005ee76b5a849398.stripped
  e4b2a80b2361d5cefd67a47eeb9298b8b712c26c7779d979348be8b2c7e3ec93  /tmp/compare/bitcoin-tx.82274c02ed2d82537dc55f008a29edb1bc09bbc4.stripped
  e4b2a80b2361d5cefd67a47eeb9298b8b712c26c7779d979348be8b2c7e3ec93  /tmp/compare/bitcoin-tx.874f13821f4193bd037cd37d005ee76b5a849398.stripped

  $ git diff -W --word-diff /tmp/compare/874f13821f4193bd037cd37d005ee76b5a849398 /tmp/compare/82274c02ed2d82537dc55f008a29edb1bc09bbc4

  $
  ```

Tree-SHA512: 13ca5862fbb03771682b04a7523e581a7fe62e73620fa0e141cf1bc0a3b3f4e2e66bf14b46d1228e2b11b4960153545e7476f3295713a69b5cf5a28a7c2b358d
 2018-03-07 17:47:46 +01:00
murrayn a25cb0f313 Use ptrdiff_t type to more precisely indicate usage and avoid compiler warnings. 2018-02-05 02:25:28 -08:00
Russell Yanofsky 04ededf001 Make CKey::Load references const 
No change in behavior, this just prevents CKey::Load arguments from looking
like outputs.
 2018-01-23 13:16:56 -05:00
Akira Takizawa 595a7bab23 Increment MIT Licence copyright header year on files modified in 2017 2018-01-03 02:26:56 +09:00
practicalswift 06edc23f74 Improve readability by removing redundant casts to same type (on all platforms) 2017-12-21 13:36:00 +01:00
Wladimir J. van der Laan 79399c8cd0
Merge #10657: Utils: Improvements to ECDSA key-handling code 
63179d0 Scope the ECDSA constant sizes to CPubKey / CKey classes (Jack Grigg)
1ce9f0a Ensure that ECDSA constant sizes are correctly-sized (Jack Grigg)
48abe78 Remove redundant `= 0` initialisations (Jack Grigg)
17fa391 Specify ECDSA constant sizes as constants (Jack Grigg)
e4a1086 Update Debian copyright list (Jack Grigg)
e181dbe Add comments (Jack Grigg)
a3603ac Fix potential overflows in ECDSA DER parsers (Jack Grigg)

Pull request description:

  Mostly trivial, but includes fixes to potential overflows in the ECDSA DER parsers.

  Cherry-picked from Zcash PR https://github.com/zcash/zcash/pull/2335

Tree-SHA512: 8fcbd51b0bd6723e5d33fa5d592f7cb68ed182796a9b837ecc8217991ad69d6c970258617dc00eb378c8caa4cec5d6b304d9d2c066acd40cda98e4da68e0caa4
 2017-12-20 18:00:32 +01:00
practicalswift a720b928c8 Remove includes in .cpp files for things the corresponding .h file already included 2017-11-16 22:26:34 +01:00
MeshCollider 1a445343f6 scripted-diff: Replace #include "" with #include <> (ryanofsky) 
-BEGIN VERIFY SCRIPT-
for f in \
  src/*.cpp \
  src/*.h \
  src/bench/*.cpp \
  src/bench/*.h \
  src/compat/*.cpp \
  src/compat/*.h \
  src/consensus/*.cpp \
  src/consensus/*.h \
  src/crypto/*.cpp \
  src/crypto/*.h \
  src/crypto/ctaes/*.h \
  src/policy/*.cpp \
  src/policy/*.h \
  src/primitives/*.cpp \
  src/primitives/*.h \
  src/qt/*.cpp \
  src/qt/*.h \
  src/qt/test/*.cpp \
  src/qt/test/*.h \
  src/rpc/*.cpp \
  src/rpc/*.h \
  src/script/*.cpp \
  src/script/*.h \
  src/support/*.cpp \
  src/support/*.h \
  src/support/allocators/*.h \
  src/test/*.cpp \
  src/test/*.h \
  src/wallet/*.cpp \
  src/wallet/*.h \
  src/wallet/test/*.cpp \
  src/wallet/test/*.h \
  src/zmq/*.cpp \
  src/zmq/*.h
do
  base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f
done
-END VERIFY SCRIPT-
 2017-11-16 08:23:01 +13:00
Jack Grigg 63179d0283
Scope the ECDSA constant sizes to CPubKey / CKey classes 2017-10-04 14:41:40 +01:00
practicalswift 90d4d89230 scripted-diff: Use the C++11 keyword nullptr to denote the pointer literal instead of the macro NULL 
-BEGIN VERIFY SCRIPT-
sed -i 's/\<NULL\>/nullptr/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h src/qt/*/*.cpp src/qt/*/*.h src/wallet/*/*.cpp src/wallet/*/*.h src/support/allocators/*.h
sed -i 's/Prefer nullptr, otherwise SAFECOOKIE./Prefer NULL, otherwise SAFECOOKIE./g' src/torcontrol.cpp
sed -i 's/tor: Using nullptr authentication/tor: Using NULL authentication/g' src/torcontrol.cpp
sed -i 's/METHODS=nullptr/METHODS=NULL/g' src/test/torcontrol_tests.cpp src/torcontrol.cpp
sed -i 's/nullptr certificates/NULL certificates/g' src/qt/paymentserver.cpp
sed -i 's/"nullptr"/"NULL"/g' src/torcontrol.cpp src/test/torcontrol_tests.cpp
-END VERIFY SCRIPT-
 2017-08-07 07:36:37 +02:00
Jack Grigg 1ce9f0a952
Ensure that ECDSA constant sizes are correctly-sized 2017-07-17 11:57:23 -05:00
Jack Grigg 48abe78e51
Remove redundant = 0 initialisations 2017-07-17 11:57:23 -05:00
Jack Grigg 17fa3913ef
Specify ECDSA constant sizes as constants 2017-07-17 11:57:23 -05:00
Jack Grigg e181dbe748
Add comments 2017-07-17 11:55:05 -05:00
Jack Grigg a3603ac6f0
Fix potential overflows in ECDSA DER parsers 2017-07-17 11:55:05 -05:00
Jeremy Rubin 30ac7688e3 Fix subscript[0] potential bugs in key.cpp 2017-07-08 13:37:06 -07:00
practicalswift b51aaf1c42 Remove unused C++ code not covered by unit tests 2017-04-26 21:20:02 +02:00
isle2983 27765b6403 Increment MIT Licence copyright header year on files modified in 2016 
Edited via:

$ contrib/devtools/copyright_header.py update .
 2016-12-31 11:01:21 -07:00
Wladimir J. van der Laan f4d1fc259b 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.
 2016-10-19 16:17:33 +02:00
Pavel Janík 4731cab8fb Do not shadow variables 2016-09-27 09:25:15 +02:00
Pieter Wuille fa2637a3be Always require OS randomness when generating secret keys 2016-05-29 01:52:17 +02:00
Jonas Schnelli 90604f16af
add bip32 pubkey serialization 
CExtPubKey should be serializable like CPubKey
 2016-04-14 20:56:33 +02:00
MarcoFalke fa24439ff3 Bump copyright headers to 2015 2015-12-13 18:08:39 +01:00
Pieter Wuille 48edf5746a Update key.cpp to new secp256k1 API 2015-11-13 00:12:53 +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