kevacoin/src/crypto/hmac_sha512.cpp
MeshCollider 1a445343f6 scripted-diff: Replace #include "" with #include <> (ryanofsky)
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for f in \
  src/*.cpp \
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  src/bench/*.cpp \
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  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 \
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  src/support/*.cpp \
  src/support/*.h \
  src/support/allocators/*.h \
  src/test/*.cpp \
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  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
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2017-11-16 08:23:01 +13:00

35 lines
904 B
C++

// Copyright (c) 2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <crypto/hmac_sha512.h>
#include <string.h>
CHMAC_SHA512::CHMAC_SHA512(const unsigned char* key, size_t keylen)
{
unsigned char rkey[128];
if (keylen <= 128) {
memcpy(rkey, key, keylen);
memset(rkey + keylen, 0, 128 - keylen);
} else {
CSHA512().Write(key, keylen).Finalize(rkey);
memset(rkey + 64, 0, 64);
}
for (int n = 0; n < 128; n++)
rkey[n] ^= 0x5c;
outer.Write(rkey, 128);
for (int n = 0; n < 128; n++)
rkey[n] ^= 0x5c ^ 0x36;
inner.Write(rkey, 128);
}
void CHMAC_SHA512::Finalize(unsigned char hash[OUTPUT_SIZE])
{
unsigned char temp[64];
inner.Finalize(temp);
outer.Write(temp, 64).Finalize(hash);
}