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21 Commits

Author SHA1 Message Date
MarcoFalke
fade0b5e5e
scripted-diff: Use std::span over Span 
-BEGIN VERIFY SCRIPT-

 ren() { sed -i "s!\<$1\>!$2!g" $( git grep -l "$1" -- "./src" ":(exclude)src/span.h" ":(exclude)src/leveldb/db/log_test.cc" ) ; }

 ren Span            std::span
 ren AsBytes         std::as_bytes
 ren AsWritableBytes std::as_writable_bytes

 sed -i 's!SpanPopBack(Span!SpanPopBack(std::span!g' ./src/span.h

-END VERIFY SCRIPT-
 2025-03-12 19:45:37 +01:00
MarcoFalke
fad4032b21
refactor: Drop unused UCharCast 
This is no longer needed after commit
6aa0e70ccb
 2025-01-14 19:01:53 +01:00
MarcoFalke
fa83bec78e
refactor: Allow std::byte in Read(LE/BE) 2024-12-18 10:59:25 +01:00
Fabian Jahr
6044628543
crypto, hash: replace custom rotl32 with std::rotl 2024-01-05 17:12:38 +01:00
Pieter Wuille
57cc136282 crypto: make ChaCha20::SetKey wipe buffer 2023-08-17 15:37:41 -04:00
Pieter Wuille
7d1cd93234 crypto: require key on ChaCha20 initialization 2023-08-17 15:31:27 -04:00
Pieter Wuille
3da636e08b crypto: refactor ChaCha20 classes to use Span<std::byte> interface 2023-08-17 15:26:34 -04:00
Pieter Wuille
0fee267792 crypto: add FSChaCha20, a rekeying wrapper around ChaCha20 
This adds the FSChaCha20 stream cipher as specified in BIP324, a
wrapper around the ChaCha20 stream cipher (specified in RFC8439
section 2.4) which automatically rekeys every N messages, and
manages the nonces used for encryption.

Co-authored-by: dhruv <856960+dhruv@users.noreply.github.com>
 2023-07-26 16:55:05 -04:00
Pieter Wuille
511a8d406e crypto: Implement RFC8439-compatible variant of ChaCha20 
There are two variants of ChaCha20 in use. The original one uses a 64-bit
nonce and a 64-bit block counter, while the one used in RFC8439 uses a
96-bit nonce and 32-bit block counter. This commit changes the interface
to use the 96/32 split (but automatically incrementing the first 32-bit
part of the nonce when the 32-bit block counter overflows, so to retain
compatibility with >256 GiB output).

Simultaneously, also merge the SetIV and Seek64 functions, as we almost
always call both anyway.

Co-authored-by: dhruv <856960+dhruv@users.noreply.github.com>
 2023-07-07 17:16:27 -04:00
Pieter Wuille
93aee8bbda Inline ChaCha20 32-byte specific constants 2023-01-30 18:12:21 -05:00
Pieter Wuille
62ec713961 Only support 32-byte keys in ChaCha20{,Aligned} 2023-01-30 18:12:21 -05:00
Pieter Wuille
12ff72476a Make unrestricted ChaCha20 cipher not waste keystream bytes 
Co-authored-by: dhruv <856960+dhruv@users.noreply.github.com>
 2023-01-30 18:12:21 -05:00
Pieter Wuille
6babf40213 Rename ChaCha20::Seek -> Seek64 to clarify multiple of 64 2023-01-30 18:12:21 -05:00
Pieter Wuille
e37bcaa0a6 Split ChaCha20 into aligned/unaligned variants 2023-01-30 18:12:21 -05:00
Hennadii Stepanov
306ccd4927
scripted-diff: Bump copyright headers 
-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-

Commits of previous years:
- 2021: f47dda2c58
- 2020: fa0074e2d8
- 2019: aaaaad6ac9
 2022-12-24 23:49:50 +00:00
Pieter Wuille
81c09ee45c Unroll the ChaCha20 inner loop for performance 2022-05-04 14:53:46 -04:00
MarcoFalke
aaaaad6ac9
scripted-diff: Bump copyright of files changed in 2019 
-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
 2019-12-30 10:42:20 +13:00
Jonas Schnelli
2bc2b8b49a
Add ChaCha20 encryption option (XOR) 2019-05-03 20:31:18 +02:00
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
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
Pieter Wuille
e04326fe66 Add ChaCha20 2017-03-29 00:40:17 -07:00