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Merge pull request #4100

a0495bb Add <Hasher>::OUTPUT_SIZE (Pieter Wuille)
4791b99 crypto: create a separate lib for crypto functions (Cory Fields)
f2647cc crypto: explicitly check for byte read/write functions (Cory Fields)
5437248 build: move bitcoin-config.h to its own directory (Cory Fields)
3820e01 Extend and move all crypto tests to crypto_tests.cpp (Pieter Wuille)
7ecd973 Move {Read,Write}{LE,BE}{32,64} to common.h and use builtins if possible (Pieter Wuille)
a5bc9c0 Add built-in RIPEMD-160 implementation (Pieter Wuille)
13b5dfe Move crypto implementations to src/crypto/ (Pieter Wuille)
1cc344c Add built-in SHA-1 implementation. (Pieter Wuille)
85aab2a Switch miner.cpp to use sha2 instead of OpenSSL. (Pieter Wuille)
cf0c47b Remove getwork() RPC call (Pieter Wuille)
7b4737c Switch script.cpp and hash.cpp to use sha2.cpp instead of OpenSSL. (Pieter Wuille)
977cdad Add a built-in SHA256/SHA512 implementation. (Pieter Wuille)
pull/1/head
Pieter Wuille 8 years ago
parent
commit
8f59251b83
No known key found for this signature in database
GPG Key ID: 8F653255C87992E0
  1. 9
      configure.ac
  2. 20
      src/Makefile.am
  3. 2
      src/Makefile.qt.include
  4. 2
      src/Makefile.qttest.include
  5. 4
      src/Makefile.test.include
  6. 0
      src/config/.empty
  7. 93
      src/crypto/common.h
  8. 204
      src/crypto/ripemd160.cpp
  9. 27
      src/crypto/ripemd160.h
  10. 192
      src/crypto/sha1.cpp
  11. 27
      src/crypto/sha1.h
  12. 398
      src/crypto/sha2.cpp
  13. 60
      src/crypto/sha2.h
  14. 41
      src/hash.cpp
  15. 189
      src/hash.h
  16. 3
      src/init.cpp
  17. 19
      src/key.cpp
  18. 161
      src/miner.cpp
  19. 4
      src/miner.h
  20. 159
      src/rpcmining.cpp
  21. 3
      src/rpcserver.cpp
  22. 1
      src/rpcserver.h
  23. 19
      src/script.cpp
  24. 203
      src/test/crypto_tests.cpp
  25. 129
      src/test/hmac_tests.cpp
  26. 28
      src/test/miner_tests.cpp

9
configure.ac

@ -111,7 +111,7 @@ AC_ARG_WITH([protoc-bindir],[AS_HELP_STRING([--with-protoc-bindir=BIN_DIR],[spec @@ -111,7 +111,7 @@ AC_ARG_WITH([protoc-bindir],[AS_HELP_STRING([--with-protoc-bindir=BIN_DIR],[spec
AC_CONFIG_SRCDIR([src])
AC_CONFIG_HEADERS([src/bitcoin-config.h])
AC_CONFIG_HEADERS([src/config/bitcoin-config.h])
dnl Checks for programs.
AC_PROG_CXX
@ -368,7 +368,12 @@ if test x$TARGET_OS = xdarwin; then @@ -368,7 +368,12 @@ if test x$TARGET_OS = xdarwin; then
AX_CHECK_LINK_FLAG([[-Wl,-dead_strip]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"])
fi
AC_CHECK_HEADERS([stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h])
AC_CHECK_HEADERS([endian.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h])
AC_CHECK_DECLS([le32toh, le64toh, htole32, htole64, be32toh, be64toh, htobe32, htobe64],,,
[#if HAVE_ENDIAN_H
#include <endian.h>
#endif])
dnl Check for MSG_NOSIGNAL
AC_MSG_CHECKING(for MSG_NOSIGNAL)

20
src/Makefile.am

@ -17,12 +17,14 @@ $(LIBLEVELDB) $(LIBMEMENV): @@ -17,12 +17,14 @@ $(LIBLEVELDB) $(LIBMEMENV):
OPT="$(CXXFLAGS) $(CPPFLAGS)"
endif
BITCOIN_INCLUDES=-I$(builddir) -I$(builddir)/obj $(BOOST_CPPFLAGS) $(LEVELDB_CPPFLAGS)
BITCOIN_CONFIG_INCLUDES=-I$(builddir)/config
BITCOIN_INCLUDES=-I$(builddir) -I$(builddir)/obj $(BITCOIN_CONFIG_INCLUDES) $(BOOST_CPPFLAGS) $(LEVELDB_CPPFLAGS)
noinst_LIBRARIES = \
libbitcoin_server.a \
libbitcoin_common.a \
libbitcoin_cli.a
libbitcoin_cli.a \
crypto/libbitcoin_crypto.a
if ENABLE_WALLET
BITCOIN_INCLUDES += $(BDB_CPPFLAGS)
noinst_LIBRARIES += libbitcoin_wallet.a
@ -140,6 +142,16 @@ libbitcoin_wallet_a_SOURCES = \ @@ -140,6 +142,16 @@ libbitcoin_wallet_a_SOURCES = \
walletdb.cpp \
$(BITCOIN_CORE_H)
crypto_libbitcoin_crypto_a_CPPFLAGS = $(BITCOIN_CONFIG_INCLUDES)
crypto_libbitcoin_crypto_a_SOURCES = \
crypto/sha1.cpp \
crypto/sha2.cpp \
crypto/ripemd160.cpp \
crypto/common.h \
crypto/sha2.h \
crypto/sha1.h \
crypto/ripemd160.h
libbitcoin_common_a_CPPFLAGS = $(BITCOIN_INCLUDES)
libbitcoin_common_a_SOURCES = \
base58.cpp \
@ -175,6 +187,7 @@ nodist_libbitcoin_common_a_SOURCES = $(srcdir)/obj/build.h @@ -175,6 +187,7 @@ nodist_libbitcoin_common_a_SOURCES = $(srcdir)/obj/build.h
bitcoind_LDADD = \
libbitcoin_server.a \
libbitcoin_common.a \
crypto/libbitcoin_crypto.a \
$(LIBLEVELDB) \
$(LIBMEMENV)
if ENABLE_WALLET
@ -194,6 +207,7 @@ bitcoind_CPPFLAGS = $(BITCOIN_INCLUDES) @@ -194,6 +207,7 @@ bitcoind_CPPFLAGS = $(BITCOIN_INCLUDES)
bitcoin_cli_LDADD = \
libbitcoin_cli.a \
libbitcoin_common.a \
crypto/libbitcoin_crypto.a \
$(BOOST_LIBS)
bitcoin_cli_SOURCES = bitcoin-cli.cpp
bitcoin_cli_CPPFLAGS = $(BITCOIN_INCLUDES)
@ -212,6 +226,7 @@ EXTRA_DIST = leveldb @@ -212,6 +226,7 @@ EXTRA_DIST = leveldb
clean-local:
-$(MAKE) -C leveldb clean
rm -f leveldb/*/*.gcno leveldb/helpers/memenv/*.gcno
-rm -f config.h
.rc.o:
@test -f $(WINDRES)
@ -229,6 +244,7 @@ LIBBITCOIN_SERVER=libbitcoin_server.a @@ -229,6 +244,7 @@ LIBBITCOIN_SERVER=libbitcoin_server.a
LIBBITCOIN_WALLET=libbitcoin_wallet.a
LIBBITCOIN_COMMON=libbitcoin_common.a
LIBBITCOIN_CLI=libbitcoin_cli.a
LIBBITCOIN_CRYPTO=crypto/libbitcoin_crypto.a
LIBBITCOINQT=qt/libbitcoinqt.a
if ENABLE_TESTS

2
src/Makefile.qt.include

@ -355,7 +355,7 @@ qt_bitcoin_qt_LDADD = qt/libbitcoinqt.a $(LIBBITCOIN_SERVER) @@ -355,7 +355,7 @@ qt_bitcoin_qt_LDADD = qt/libbitcoinqt.a $(LIBBITCOIN_SERVER)
if ENABLE_WALLET
qt_bitcoin_qt_LDADD += $(LIBBITCOIN_WALLET)
endif
qt_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBLEVELDB) $(LIBMEMENV) \
qt_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_CRYPTO) $(LIBLEVELDB) $(LIBMEMENV) \
$(BOOST_LIBS) $(QT_LIBS) $(QT_DBUS_LIBS) $(QR_LIBS) $(PROTOBUF_LIBS) $(BDB_LIBS)
qt_bitcoin_qt_LDFLAGS = $(QT_LDFLAGS)

2
src/Makefile.qttest.include

@ -30,7 +30,7 @@ qt_test_test_bitcoin_qt_LDADD = $(LIBBITCOINQT) $(LIBBITCOIN_SERVER) @@ -30,7 +30,7 @@ qt_test_test_bitcoin_qt_LDADD = $(LIBBITCOINQT) $(LIBBITCOIN_SERVER)
if ENABLE_WALLET
qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_WALLET)
endif
qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBLEVELDB) \
qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_CRYPTO) $(LIBLEVELDB) \
$(LIBMEMENV) $(BOOST_LIBS) $(QT_DBUS_LIBS) $(QT_TEST_LIBS) $(QT_LIBS) \
$(QR_LIBS) $(PROTOBUF_LIBS) $(BDB_LIBS)
qt_test_test_bitcoin_qt_LDFLAGS = $(QT_LDFLAGS)

4
src/Makefile.test.include

@ -31,8 +31,10 @@ BITCOIN_TESTS =\ @@ -31,8 +31,10 @@ BITCOIN_TESTS =\
test/checkblock_tests.cpp \
test/Checkpoints_tests.cpp \
test/compress_tests.cpp \
test/crypto_tests.cpp \
test/DoS_tests.cpp \
test/getarg_tests.cpp \
test/hash_tests.cpp \
test/key_tests.cpp \
test/main_tests.cpp \
test/miner_tests.cpp \
@ -61,7 +63,7 @@ endif @@ -61,7 +63,7 @@ endif
test_test_bitcoin_SOURCES = $(BITCOIN_TESTS) $(JSON_TEST_FILES) $(RAW_TEST_FILES)
test_test_bitcoin_CPPFLAGS = $(BITCOIN_INCLUDES) -I$(builddir)/test/ $(TESTDEFS)
test_test_bitcoin_LDADD = $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBLEVELDB) $(LIBMEMENV) \
test_test_bitcoin_LDADD = $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_CRYPTO) $(LIBLEVELDB) $(LIBMEMENV) \
$(BOOST_LIBS) $(BOOST_UNIT_TEST_FRAMEWORK_LIB)
if ENABLE_WALLET
test_test_bitcoin_LDADD += $(LIBBITCOIN_WALLET)

0
src/config/.empty

93
src/crypto/common.h

@ -0,0 +1,93 @@ @@ -0,0 +1,93 @@
// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_CRYPTO_COMMON_H
#define BITCOIN_CRYPTO_COMMON_H
#if defined(HAVE_CONFIG_H)
#include "bitcoin-config.h"
#endif
#include <stdint.h>
#if defined(HAVE_ENDIAN_H)
#include <endian.h>
#endif
uint32_t static inline ReadLE32(const unsigned char *ptr) {
#if HAVE_DECL_LE32TOH == 1
return le32toh(*((uint32_t*)ptr));
#elif !defined(WORDS_BIGENDIAN)
return *((uint32_t*)ptr);
#else
return ((uint32_t)ptr[3] << 24 | (uint32_t)ptr[2] << 16 | (uint32_t)ptr[1] << 8 | (uint32_t)ptr[0]);
#endif
}
uint64_t static inline ReadLE64(const unsigned char *ptr) {
#if HAVE_DECL_LE64TOH == 1
return le64toh(*((uint64_t*)ptr));
#elif !defined(WORDS_BIGENDIAN)
return *((uint64_t*)ptr);
#else
return ((uint64_t)ptr[7] << 56 | (uint64_t)ptr[6] << 48 | (uint64_t)ptr[5] << 40 | (uint64_t)ptr[4] << 32 |
(uint64_t)ptr[3] << 24 | (uint64_t)ptr[2] << 16 | (uint64_t)ptr[1] << 8 | (uint64_t)ptr[0]);
#endif
}
void static inline WriteLE32(unsigned char *ptr, uint32_t x) {
#if HAVE_DECL_HTOLE32 == 1
*((uint32_t*)ptr) = htole32(x);
#elif !defined(WORDS_BIGENDIAN)
*((uint32_t*)ptr) = x;
#else
ptr[3] = x >> 24; ptr[2] = x >> 16; ptr[1] = x >> 8; ptr[0] = x;
#endif
}
void static inline WriteLE64(unsigned char *ptr, uint64_t x) {
#if HAVE_DECL_HTOLE64 == 1
*((uint64_t*)ptr) = htole64(x);
#elif !defined(WORDS_BIGENDIAN)
*((uint64_t*)ptr) = x;
#else
ptr[7] = x >> 56; ptr[6] = x >> 48; ptr[5] = x >> 40; ptr[4] = x >> 32;
ptr[3] = x >> 24; ptr[2] = x >> 16; ptr[1] = x >> 8; ptr[0] = x;
#endif
}
uint32_t static inline ReadBE32(const unsigned char *ptr) {
#if HAVE_DECL_BE32TOH == 1
return be32toh(*((uint32_t*)ptr));
#else
return ((uint32_t)ptr[0] << 24 | (uint32_t)ptr[1] << 16 | (uint32_t)ptr[2] << 8 | (uint32_t)ptr[3]);
#endif
}
uint64_t static inline ReadBE64(const unsigned char *ptr) {
#if HAVE_DECL_BE64TOH == 1
return be64toh(*((uint64_t*)ptr));
#else
return ((uint64_t)ptr[0] << 56 | (uint64_t)ptr[1] << 48 | (uint64_t)ptr[2] << 40 | (uint64_t)ptr[3] << 32 |
(uint64_t)ptr[4] << 24 | (uint64_t)ptr[5] << 16 | (uint64_t)ptr[6] << 8 | (uint64_t)ptr[7]);
#endif
}
void static inline WriteBE32(unsigned char *ptr, uint32_t x) {
#if HAVE_DECL_HTOBE32 == 1
*((uint32_t*)ptr) = htobe32(x);
#else
ptr[0] = x >> 24; ptr[1] = x >> 16; ptr[2] = x >> 8; ptr[3] = x;
#endif
}
void static inline WriteBE64(unsigned char *ptr, uint64_t x) {
#if HAVE_DECL_HTOBE64 == 1
*((uint64_t*)ptr) = htobe64(x);
#else
ptr[0] = x >> 56; ptr[1] = x >> 48; ptr[2] = x >> 40; ptr[3] = x >> 32;
ptr[4] = x >> 24; ptr[5] = x >> 16; ptr[6] = x >> 8; ptr[7] = x;
#endif
}
#endif

204
src/crypto/ripemd160.cpp

@ -0,0 +1,204 @@ @@ -0,0 +1,204 @@
// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "crypto/ripemd160.h"
#include "crypto/common.h"
#include <string.h>
// Internal implementation code.
namespace {
/// Internal RIPEMD-160 implementation.
namespace ripemd160 {
uint32_t inline f1(uint32_t x, uint32_t y, uint32_t z) { return x ^ y ^ z; }
uint32_t inline f2(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (~x & z); }
uint32_t inline f3(uint32_t x, uint32_t y, uint32_t z) { return (x | ~y) ^ z; }
uint32_t inline f4(uint32_t x, uint32_t y, uint32_t z) { return (x & z) | (y & ~z); }
uint32_t inline f5(uint32_t x, uint32_t y, uint32_t z) { return x ^ (y | ~z); }
/** Initialize RIPEMD-160 state. */
void inline Initialize(uint32_t *s) {
s[0] = 0x67452301ul;
s[1] = 0xEFCDAB89ul;
s[2] = 0x98BADCFEul;
s[3] = 0x10325476ul;
s[4] = 0xC3D2E1F0ul;
}
uint32_t inline rol(uint32_t x, int i) { return (x << i) | (x >> (32-i)); }
void inline Round(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t f, uint32_t x, uint32_t k, int r) {
a = rol(a + f + x + k, r) + e;
c = rol(c, 10);
}
void inline R11(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, c, d), x, 0, r); }
void inline R21(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, c, d), x, 0x5A827999ul, r); }
void inline R31(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, c, d), x, 0x6ED9EBA1ul, r); }
void inline R41(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, c, d), x, 0x8F1BBCDCul, r); }
void inline R51(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, c, d), x, 0xA953FD4Eul, r); }
void inline R12(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, c, d), x, 0x50A28BE6ul, r); }
void inline R22(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, c, d), x, 0x5C4DD124ul, r); }
void inline R32(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, c, d), x, 0x6D703EF3ul, r); }
void inline R42(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, c, d), x, 0x7A6D76E9ul, r); }
void inline R52(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, c, d), x, 0, r); }
/** Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */
void Transform(uint32_t *s, const unsigned char *chunk) {
uint32_t a1 = s[0], b1 = s[1], c1 = s[2], d1 = s[3], e1 = s[4];
uint32_t a2 = a1 , b2 = b1 , c2 = c1 , d2 = d1 , e2 = e1 ;
uint32_t w0 = ReadLE32(chunk + 0), w1 = ReadLE32(chunk + 4), w2 = ReadLE32(chunk + 8), w3 = ReadLE32(chunk + 12);
uint32_t w4 = ReadLE32(chunk + 16), w5 = ReadLE32(chunk + 20), w6 = ReadLE32(chunk + 24), w7 = ReadLE32(chunk + 28);
uint32_t w8 = ReadLE32(chunk + 32), w9 = ReadLE32(chunk + 36), w10 = ReadLE32(chunk + 40), w11 = ReadLE32(chunk + 44);
uint32_t w12 = ReadLE32(chunk + 48), w13 = ReadLE32(chunk + 52), w14 = ReadLE32(chunk + 56), w15 = ReadLE32(chunk + 60);
R11(a1, b1, c1, d1, e1, w0 , 11); R12(a2, b2, c2, d2, e2, w5 , 8);
R11(e1, a1, b1, c1, d1, w1 , 14); R12(e2, a2, b2, c2, d2, w14, 9);
R11(d1, e1, a1, b1, c1, w2 , 15); R12(d2, e2, a2, b2, c2, w7 , 9);
R11(c1, d1, e1, a1, b1, w3 , 12); R12(c2, d2, e2, a2, b2, w0 , 11);
R11(b1, c1, d1, e1, a1, w4 , 5); R12(b2, c2, d2, e2, a2, w9 , 13);
R11(a1, b1, c1, d1, e1, w5 , 8); R12(a2, b2, c2, d2, e2, w2 , 15);
R11(e1, a1, b1, c1, d1, w6 , 7); R12(e2, a2, b2, c2, d2, w11, 15);
R11(d1, e1, a1, b1, c1, w7 , 9); R12(d2, e2, a2, b2, c2, w4 , 5);
R11(c1, d1, e1, a1, b1, w8 , 11); R12(c2, d2, e2, a2, b2, w13, 7);
R11(b1, c1, d1, e1, a1, w9 , 13); R12(b2, c2, d2, e2, a2, w6 , 7);
R11(a1, b1, c1, d1, e1, w10, 14); R12(a2, b2, c2, d2, e2, w15, 8);
R11(e1, a1, b1, c1, d1, w11, 15); R12(e2, a2, b2, c2, d2, w8 , 11);
R11(d1, e1, a1, b1, c1, w12, 6); R12(d2, e2, a2, b2, c2, w1 , 14);
R11(c1, d1, e1, a1, b1, w13, 7); R12(c2, d2, e2, a2, b2, w10, 14);
R11(b1, c1, d1, e1, a1, w14, 9); R12(b2, c2, d2, e2, a2, w3 , 12);
R11(a1, b1, c1, d1, e1, w15, 8); R12(a2, b2, c2, d2, e2, w12, 6);
R21(e1, a1, b1, c1, d1, w7 , 7); R22(e2, a2, b2, c2, d2, w6 , 9);
R21(d1, e1, a1, b1, c1, w4 , 6); R22(d2, e2, a2, b2, c2, w11, 13);
R21(c1, d1, e1, a1, b1, w13, 8); R22(c2, d2, e2, a2, b2, w3 , 15);
R21(b1, c1, d1, e1, a1, w1 , 13); R22(b2, c2, d2, e2, a2, w7 , 7);
R21(a1, b1, c1, d1, e1, w10, 11); R22(a2, b2, c2, d2, e2, w0 , 12);
R21(e1, a1, b1, c1, d1, w6 , 9); R22(e2, a2, b2, c2, d2, w13, 8);
R21(d1, e1, a1, b1, c1, w15, 7); R22(d2, e2, a2, b2, c2, w5 , 9);
R21(c1, d1, e1, a1, b1, w3 , 15); R22(c2, d2, e2, a2, b2, w10, 11);
R21(b1, c1, d1, e1, a1, w12, 7); R22(b2, c2, d2, e2, a2, w14, 7);
R21(a1, b1, c1, d1, e1, w0 , 12); R22(a2, b2, c2, d2, e2, w15, 7);
R21(e1, a1, b1, c1, d1, w9 , 15); R22(e2, a2, b2, c2, d2, w8 , 12);
R21(d1, e1, a1, b1, c1, w5 , 9); R22(d2, e2, a2, b2, c2, w12, 7);
R21(c1, d1, e1, a1, b1, w2 , 11); R22(c2, d2, e2, a2, b2, w4 , 6);
R21(b1, c1, d1, e1, a1, w14, 7); R22(b2, c2, d2, e2, a2, w9 , 15);
R21(a1, b1, c1, d1, e1, w11, 13); R22(a2, b2, c2, d2, e2, w1 , 13);
R21(e1, a1, b1, c1, d1, w8 , 12); R22(e2, a2, b2, c2, d2, w2 , 11);
R31(d1, e1, a1, b1, c1, w3 , 11); R32(d2, e2, a2, b2, c2, w15, 9);
R31(c1, d1, e1, a1, b1, w10, 13); R32(c2, d2, e2, a2, b2, w5 , 7);
R31(b1, c1, d1, e1, a1, w14, 6); R32(b2, c2, d2, e2, a2, w1 , 15);
R31(a1, b1, c1, d1, e1, w4 , 7); R32(a2, b2, c2, d2, e2, w3 , 11);
R31(e1, a1, b1, c1, d1, w9 , 14); R32(e2, a2, b2, c2, d2, w7 , 8);
R31(d1, e1, a1, b1, c1, w15, 9); R32(d2, e2, a2, b2, c2, w14, 6);
R31(c1, d1, e1, a1, b1, w8 , 13); R32(c2, d2, e2, a2, b2, w6 , 6);
R31(b1, c1, d1, e1, a1, w1 , 15); R32(b2, c2, d2, e2, a2, w9 , 14);
R31(a1, b1, c1, d1, e1, w2 , 14); R32(a2, b2, c2, d2, e2, w11, 12);
R31(e1, a1, b1, c1, d1, w7 , 8); R32(e2, a2, b2, c2, d2, w8 , 13);
R31(d1, e1, a1, b1, c1, w0 , 13); R32(d2, e2, a2, b2, c2, w12, 5);
R31(c1, d1, e1, a1, b1, w6 , 6); R32(c2, d2, e2, a2, b2, w2 , 14);
R31(b1, c1, d1, e1, a1, w13, 5); R32(b2, c2, d2, e2, a2, w10, 13);
R31(a1, b1, c1, d1, e1, w11, 12); R32(a2, b2, c2, d2, e2, w0 , 13);
R31(e1, a1, b1, c1, d1, w5 , 7); R32(e2, a2, b2, c2, d2, w4 , 7);
R31(d1, e1, a1, b1, c1, w12, 5); R32(d2, e2, a2, b2, c2, w13, 5);
R41(c1, d1, e1, a1, b1, w1 , 11); R42(c2, d2, e2, a2, b2, w8 , 15);
R41(b1, c1, d1, e1, a1, w9 , 12); R42(b2, c2, d2, e2, a2, w6 , 5);
R41(a1, b1, c1, d1, e1, w11, 14); R42(a2, b2, c2, d2, e2, w4 , 8);
R41(e1, a1, b1, c1, d1, w10, 15); R42(e2, a2, b2, c2, d2, w1 , 11);
R41(d1, e1, a1, b1, c1, w0 , 14); R42(d2, e2, a2, b2, c2, w3 , 14);
R41(c1, d1, e1, a1, b1, w8 , 15); R42(c2, d2, e2, a2, b2, w11, 14);
R41(b1, c1, d1, e1, a1, w12, 9); R42(b2, c2, d2, e2, a2, w15, 6);
R41(a1, b1, c1, d1, e1, w4 , 8); R42(a2, b2, c2, d2, e2, w0 , 14);
R41(e1, a1, b1, c1, d1, w13, 9); R42(e2, a2, b2, c2, d2, w5 , 6);
R41(d1, e1, a1, b1, c1, w3 , 14); R42(d2, e2, a2, b2, c2, w12, 9);
R41(c1, d1, e1, a1, b1, w7 , 5); R42(c2, d2, e2, a2, b2, w2 , 12);
R41(b1, c1, d1, e1, a1, w15, 6); R42(b2, c2, d2, e2, a2, w13, 9);
R41(a1, b1, c1, d1, e1, w14, 8); R42(a2, b2, c2, d2, e2, w9 , 12);
R41(e1, a1, b1, c1, d1, w5 , 6); R42(e2, a2, b2, c2, d2, w7 , 5);
R41(d1, e1, a1, b1, c1, w6 , 5); R42(d2, e2, a2, b2, c2, w10, 15);
R41(c1, d1, e1, a1, b1, w2 , 12); R42(c2, d2, e2, a2, b2, w14, 8);
R51(b1, c1, d1, e1, a1, w4 , 9); R52(b2, c2, d2, e2, a2, w12, 8);
R51(a1, b1, c1, d1, e1, w0 , 15); R52(a2, b2, c2, d2, e2, w15, 5);
R51(e1, a1, b1, c1, d1, w5 , 5); R52(e2, a2, b2, c2, d2, w10, 12);
R51(d1, e1, a1, b1, c1, w9 , 11); R52(d2, e2, a2, b2, c2, w4 , 9);
R51(c1, d1, e1, a1, b1, w7 , 6); R52(c2, d2, e2, a2, b2, w1 , 12);
R51(b1, c1, d1, e1, a1, w12, 8); R52(b2, c2, d2, e2, a2, w5 , 5);
R51(a1, b1, c1, d1, e1, w2 , 13); R52(a2, b2, c2, d2, e2, w8 , 14);
R51(e1, a1, b1, c1, d1, w10, 12); R52(e2, a2, b2, c2, d2, w7 , 6);
R51(d1, e1, a1, b1, c1, w14, 5); R52(d2, e2, a2, b2, c2, w6 , 8);
R51(c1, d1, e1, a1, b1, w1 , 12); R52(c2, d2, e2, a2, b2, w2 , 13);
R51(b1, c1, d1, e1, a1, w3 , 13); R52(b2, c2, d2, e2, a2, w13, 6);
R51(a1, b1, c1, d1, e1, w8 , 14); R52(a2, b2, c2, d2, e2, w14, 5);
R51(e1, a1, b1, c1, d1, w11, 11); R52(e2, a2, b2, c2, d2, w0 , 15);
R51(d1, e1, a1, b1, c1, w6 , 8); R52(d2, e2, a2, b2, c2, w3 , 13);
R51(c1, d1, e1, a1, b1, w15, 5); R52(c2, d2, e2, a2, b2, w9 , 11);
R51(b1, c1, d1, e1, a1, w13, 6); R52(b2, c2, d2, e2, a2, w11, 11);
uint32_t t = s[0];
s[0] = s[1] + c1 + d2;
s[1] = s[2] + d1 + e2;
s[2] = s[3] + e1 + a2;
s[3] = s[4] + a1 + b2;
s[4] = t + b1 + c2;
}
} // namespace ripemd160
} // namespace
////// RIPEMD160
CRIPEMD160::CRIPEMD160() : bytes(0) {
ripemd160::Initialize(s);
}
CRIPEMD160& CRIPEMD160::Write(const unsigned char *data, size_t len) {
const unsigned char *end = data + len;
size_t bufsize = bytes % 64;
if (bufsize && bufsize + len >= 64) {
// Fill the buffer, and process it.
memcpy(buf + bufsize, data, 64 - bufsize);
bytes += 64 - bufsize;
data += 64 - bufsize;
ripemd160::Transform(s, buf);
bufsize = 0;
}
while (end >= data + 64) {
// Process full chunks directly from the source.
ripemd160::Transform(s, data);
bytes += 64;
data += 64;
}
if (end > data) {
// Fill the buffer with what remains.
memcpy(buf + bufsize, data, end - data);
bytes += end - data;
}
return *this;
}
void CRIPEMD160::Finalize(unsigned char hash[OUTPUT_SIZE]) {
static const unsigned char pad[64] = {0x80};
unsigned char sizedesc[8];
WriteLE64(sizedesc, bytes << 3);
Write(pad, 1 + ((119 - (bytes % 64)) % 64));
Write(sizedesc, 8);
WriteLE32(hash, s[0]);
WriteLE32(hash+4, s[1]);
WriteLE32(hash+8, s[2]);
WriteLE32(hash+12, s[3]);
WriteLE32(hash+16, s[4]);
}
CRIPEMD160& CRIPEMD160::Reset() {
bytes = 0;
ripemd160::Initialize(s);
return *this;
}

27
src/crypto/ripemd160.h

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// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_RIPEMD160_H
#define BITCOIN_RIPEMD160_H
#include <stdint.h>
#include <stdlib.h>
/** A hasher class for RIPEMD-160. */
class CRIPEMD160 {
private:
uint32_t s[5];
unsigned char buf[64];
size_t bytes;
public:
static const size_t OUTPUT_SIZE = 20;
CRIPEMD160();
CRIPEMD160& Write(const unsigned char *data, size_t len);
void Finalize(unsigned char hash[OUTPUT_SIZE]);
CRIPEMD160& Reset();
};
#endif

192
src/crypto/sha1.cpp

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// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "crypto/sha1.h"
#include "crypto/common.h"
#include <string.h>
// Internal implementation code.
namespace {
/// Internal SHA-1 implementation.
namespace sha1 {
/** One round of SHA-1. */
void inline Round(uint32_t a, uint32_t &b, uint32_t c, uint32_t d, uint32_t &e,
uint32_t f, uint32_t k, uint32_t w) {
e += ((a << 5) | (a >> 27)) + f + k + w;
b = (b << 30) | (b >> 2);
}
uint32_t inline f1(uint32_t b, uint32_t c, uint32_t d) { return d ^ (b & (c ^ d)); }
uint32_t inline f2(uint32_t b, uint32_t c, uint32_t d) { return b ^ c ^ d; }
uint32_t inline f3(uint32_t b, uint32_t c, uint32_t d) { return (b & c) | (d & (b | c)); }
uint32_t inline left(uint32_t x) { return (x << 1) | (x >> 31); }
/** Initialize SHA-1 state. */
void inline Initialize(uint32_t *s) {
s[0] = 0x67452301ul;
s[1] = 0xEFCDAB89ul;
s[2] = 0x98BADCFEul;
s[3] = 0x10325476ul;
s[4] = 0xC3D2E1F0ul;
}
const uint32_t k1 = 0x5A827999ul;
const uint32_t k2 = 0x6ED9EBA1ul;
const uint32_t k3 = 0x8F1BBCDCul;
const uint32_t k4 = 0xCA62C1D6ul;
/** Perform a SHA-1 transformation, processing a 64-byte chunk. */
void Transform(uint32_t *s, const unsigned char *chunk) {
uint32_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4];
uint32_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
Round(a, b, c, d, e, f1(b, c, d), k1, w0 = ReadBE32(chunk + 0));
Round(e, a, b, c, d, f1(a, b, c), k1, w1 = ReadBE32(chunk + 4));
Round(d, e, a, b, c, f1(e, a, b), k1, w2 = ReadBE32(chunk + 8));
Round(c, d, e, a, b, f1(d, e, a), k1, w3 = ReadBE32(chunk + 12));
Round(b, c, d, e, a, f1(c, d, e), k1, w4 = ReadBE32(chunk + 16));
Round(a, b, c, d, e, f1(b, c, d), k1, w5 = ReadBE32(chunk + 20));
Round(e, a, b, c, d, f1(a, b, c), k1, w6 = ReadBE32(chunk + 24));
Round(d, e, a, b, c, f1(e, a, b), k1, w7 = ReadBE32(chunk + 28));
Round(c, d, e, a, b, f1(d, e, a), k1, w8 = ReadBE32(chunk + 32));
Round(b, c, d, e, a, f1(c, d, e), k1, w9 = ReadBE32(chunk + 36));
Round(a, b, c, d, e, f1(b, c, d), k1, w10 = ReadBE32(chunk + 40));
Round(e, a, b, c, d, f1(a, b, c), k1, w11 = ReadBE32(chunk + 44));
Round(d, e, a, b, c, f1(e, a, b), k1, w12 = ReadBE32(chunk + 48));
Round(c, d, e, a, b, f1(d, e, a), k1, w13 = ReadBE32(chunk + 52));
Round(b, c, d, e, a, f1(c, d, e), k1, w14 = ReadBE32(chunk + 56));
Round(a, b, c, d, e, f1(b, c, d), k1, w15 = ReadBE32(chunk + 60));
Round(e, a, b, c, d, f1(a, b, c), k1, w0 = left(w0 ^ w13 ^ w8 ^ w2 ));
Round(d, e, a, b, c, f1(e, a, b), k1, w1 = left(w1 ^ w14 ^ w9 ^ w3 ));
Round(c, d, e, a, b, f1(d, e, a), k1, w2 = left(w2 ^ w15 ^ w10 ^ w4 ));
Round(b, c, d, e, a, f1(c, d, e), k1, w3 = left(w3 ^ w0 ^ w11 ^ w5 ));
Round(a, b, c, d, e, f2(b, c, d), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6 ));
Round(e, a, b, c, d, f2(a, b, c), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7 ));
Round(d, e, a, b, c, f2(e, a, b), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8 ));
Round(c, d, e, a, b, f2(d, e, a), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9 ));
Round(b, c, d, e, a, f2(c, d, e), k2, w8 = left(w8 ^ w5 ^ w0 ^ w10));
Round(a, b, c, d, e, f2(b, c, d), k2, w9 = left(w9 ^ w6 ^ w1 ^ w11));
Round(e, a, b, c, d, f2(a, b, c), k2, w10 = left(w10 ^ w7 ^ w2 ^ w12));
Round(d, e, a, b, c, f2(e, a, b), k2, w11 = left(w11 ^ w8 ^ w3 ^ w13));
Round(c, d, e, a, b, f2(d, e, a), k2, w12 = left(w12 ^ w9 ^ w4 ^ w14));
Round(b, c, d, e, a, f2(c, d, e), k2, w13 = left(w13 ^ w10 ^ w5 ^ w15));
Round(a, b, c, d, e, f2(b, c, d), k2, w14 = left(w14 ^ w11 ^ w6 ^ w0 ));
Round(e, a, b, c, d, f2(a, b, c), k2, w15 = left(w15 ^ w12 ^ w7 ^ w1 ));
Round(d, e, a, b, c, f2(e, a, b), k2, w0 = left(w0 ^ w13 ^ w8 ^ w2 ));
Round(c, d, e, a, b, f2(d, e, a), k2, w1 = left(w1 ^ w14 ^ w9 ^ w3 ));
Round(b, c, d, e, a, f2(c, d, e), k2, w2 = left(w2 ^ w15 ^ w10 ^ w4 ));
Round(a, b, c, d, e, f2(b, c, d), k2, w3 = left(w3 ^ w0 ^ w11 ^ w5 ));
Round(e, a, b, c, d, f2(a, b, c), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6 ));
Round(d, e, a, b, c, f2(e, a, b), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7 ));
Round(c, d, e, a, b, f2(d, e, a), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8 ));
Round(b, c, d, e, a, f2(c, d, e), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9 ));
Round(a, b, c, d, e, f3(b, c, d), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10));
Round(e, a, b, c, d, f3(a, b, c), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11));
Round(d, e, a, b, c, f3(e, a, b), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12));
Round(c, d, e, a, b, f3(d, e, a), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13));
Round(b, c, d, e, a, f3(c, d, e), k3, w12 = left(w12 ^ w9 ^ w4 ^ w14));
Round(a, b, c, d, e, f3(b, c, d), k3, w13 = left(w13 ^ w10 ^ w5 ^ w15));
Round(e, a, b, c, d, f3(a, b, c), k3, w14 = left(w14 ^ w11 ^ w6 ^ w0 ));
Round(d, e, a, b, c, f3(e, a, b), k3, w15 = left(w15 ^ w12 ^ w7 ^ w1 ));
Round(c, d, e, a, b, f3(d, e, a), k3, w0 = left(w0 ^ w13 ^ w8 ^ w2 ));
Round(b, c, d, e, a, f3(c, d, e), k3, w1 = left(w1 ^ w14 ^ w9 ^ w3 ));
Round(a, b, c, d, e, f3(b, c, d), k3, w2 = left(w2 ^ w15 ^ w10 ^ w4 ));
Round(e, a, b, c, d, f3(a, b, c), k3, w3 = left(w3 ^ w0 ^ w11 ^ w5 ));
Round(d, e, a, b, c, f3(e, a, b), k3, w4 = left(w4 ^ w1 ^ w12 ^ w6 ));
Round(c, d, e, a, b, f3(d, e, a), k3, w5 = left(w5 ^ w2 ^ w13 ^ w7 ));
Round(b, c, d, e, a, f3(c, d, e), k3, w6 = left(w6 ^ w3 ^ w14 ^ w8 ));
Round(a, b, c, d, e, f3(b, c, d), k3, w7 = left(w7 ^ w4 ^ w15 ^ w9 ));
Round(e, a, b, c, d, f3(a, b, c), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10));
Round(d, e, a, b, c, f3(e, a, b), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11));
Round(c, d, e, a, b, f3(d, e, a), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12));
Round(b, c, d, e, a, f3(c, d, e), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13));
Round(a, b, c, d, e, f2(b, c, d), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14));
Round(e, a, b, c, d, f2(a, b, c), k4, w13 = left(w13 ^ w10 ^ w5 ^ w15));
Round(d, e, a, b, c, f2(e, a, b), k4, w14 = left(w14 ^ w11 ^ w6 ^ w0 ));
Round(c, d, e, a, b, f2(d, e, a), k4, w15 = left(w15 ^ w12 ^ w7 ^ w1 ));
Round(b, c, d, e, a, f2(c, d, e), k4, w0 = left(w0 ^ w13 ^ w8 ^ w2 ));
Round(a, b, c, d, e, f2(b, c, d), k4, w1 = left(w1 ^ w14 ^ w9 ^ w3 ));
Round(e, a, b, c, d, f2(a, b, c), k4, w2 = left(w2 ^ w15 ^ w10 ^ w4 ));
Round(d, e, a, b, c, f2(e, a, b), k4, w3 = left(w3 ^ w0 ^ w11 ^ w5 ));
Round(c, d, e, a, b, f2(d, e, a), k4, w4 = left(w4 ^ w1 ^ w12 ^ w6 ));
Round(b, c, d, e, a, f2(c, d, e), k4, w5 = left(w5 ^ w2 ^ w13 ^ w7 ));
Round(a, b, c, d, e, f2(b, c, d), k4, w6 = left(w6 ^ w3 ^ w14 ^ w8 ));
Round(e, a, b, c, d, f2(a, b, c), k4, w7 = left(w7 ^ w4 ^ w15 ^ w9 ));
Round(d, e, a, b, c, f2(e, a, b), k4, w8 = left(w8 ^ w5 ^ w0 ^ w10));
Round(c, d, e, a, b, f2(d, e, a), k4, w9 = left(w9 ^ w6 ^ w1 ^ w11));
Round(b, c, d, e, a, f2(c, d, e), k4, w10 = left(w10 ^ w7 ^ w2 ^ w12));
Round(a, b, c, d, e, f2(b, c, d), k4, w11 = left(w11 ^ w8 ^ w3 ^ w13));
Round(e, a, b, c, d, f2(a, b, c), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14));
Round(d, e, a, b, c, f2(e, a, b), k4, left(w13 ^ w10 ^ w5 ^ w15));
Round(c, d, e, a, b, f2(d, e, a), k4, left(w14 ^ w11 ^ w6 ^ w0 ));
Round(b, c, d, e, a, f2(c, d, e), k4, left(w15 ^ w12 ^ w7 ^ w1 ));
s[0] += a;
s[1] += b;
s[2] += c;
s[3] += d;
s[4] += e;
}
} // namespace sha1
} // namespace
////// SHA1
CSHA1::CSHA1() : bytes(0) {
sha1::Initialize(s);
}
CSHA1& CSHA1::Write(const unsigned char *data, size_t len) {
const unsigned char *end = data + len;
size_t bufsize = bytes % 64;
if (bufsize && bufsize + len >= 64) {
// Fill the buffer, and process it.
memcpy(buf + bufsize, data, 64 - bufsize);
bytes += 64 - bufsize;
data += 64 - bufsize;
sha1::Transform(s, buf);
bufsize = 0;
}
while (end >= data + 64) {
// Process full chunks directly from the source.
sha1::Transform(s, data);
bytes += 64;
data += 64;
}
if (end > data) {
// Fill the buffer with what remains.
memcpy(buf + bufsize, data, end - data);
bytes += end - data;
}
return *this;
}
void CSHA1::Finalize(unsigned char hash[OUTPUT_SIZE]) {
static const unsigned char pad[64] = {0x80};
unsigned char sizedesc[8];
WriteBE64(sizedesc, bytes << 3);
Write(pad, 1 + ((119 - (bytes % 64)) % 64));
Write(sizedesc, 8);
WriteBE32(hash, s[0]);
WriteBE32(hash+4, s[1]);
WriteBE32(hash+8, s[2]);
WriteBE32(hash+12, s[3]);
WriteBE32(hash+16, s[4]);
}
CSHA1& CSHA1::Reset() {
bytes = 0;
sha1::Initialize(s);
return *this;
}

27
src/crypto/sha1.h

@ -0,0 +1,27 @@ @@ -0,0 +1,27 @@
// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SHA1_H
#define BITCOIN_SHA1_H
#include <stdint.h>
#include <stdlib.h>
/** A hasher class for SHA1. */
class CSHA1 {
private:
uint32_t s[5];
unsigned char buf[64];
size_t bytes;
public:
static const size_t OUTPUT_SIZE = 20;
CSHA1();
CSHA1& Write(const unsigned char *data, size_t len);
void Finalize(unsigned char hash[OUTPUT_SIZE]);
CSHA1& Reset();
};
#endif

398
src/crypto/sha2.cpp

@ -0,0 +1,398 @@ @@ -0,0 +1,398 @@
// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "crypto/sha2.h"
#include "crypto/common.h"
#include <string.h>
// Internal implementation code.
namespace {
/// Internal SHA-256 implementation.
namespace sha256 {
uint32_t inline Ch(uint32_t x, uint32_t y, uint32_t z) { return z ^ (x & (y ^ z)); }
uint32_t inline Maj(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (z & (x | y)); }
uint32_t inline Sigma0(uint32_t x) { return (x >> 2 | x << 30) ^ (x >> 13 | x << 19) ^ (x >> 22 | x << 10); }
uint32_t inline Sigma1(uint32_t x) { return (x >> 6 | x << 26) ^ (x >> 11 | x << 21) ^ (x >> 25 | x << 7); }
uint32_t inline sigma0(uint32_t x) { return (x >> 7 | x << 25) ^ (x >> 18 | x << 14) ^ (x >> 3); }
uint32_t inline sigma1(uint32_t x) { return (x >> 17 | x << 15) ^ (x >> 19 | x << 13) ^ (x >> 10); }
/** One round of SHA-256. */
void inline Round(uint32_t a, uint32_t b, uint32_t c, uint32_t &d,
uint32_t e, uint32_t f, uint32_t g, uint32_t &h,
uint32_t k, uint32_t w) {
uint32_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w;
uint32_t t2 = Sigma0(a) + Maj(a, b, c);
d += t1;
h = t1 + t2;
}
/** Initialize SHA-256 state. */
void inline Initialize(uint32_t *s) {
s[0] = 0x6a09e667ul;
s[1] = 0xbb67ae85ul;
s[2] = 0x3c6ef372ul;
s[3] = 0xa54ff53aul;
s[4] = 0x510e527ful;
s[5] = 0x9b05688cul;
s[6] = 0x1f83d9abul;
s[7] = 0x5be0cd19ul;
}
/** Perform one SHA-256 transformation, processing a 64-byte chunk. */
void Transform(uint32_t *s, const unsigned char *chunk) {
uint32_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4], f = s[5], g = s[6], h = s[7];
uint32_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
Round(a, b, c, d, e, f, g, h, 0x428a2f98, w0 = ReadBE32(chunk + 0));
Round(h, a, b, c, d, e, f, g, 0x71374491, w1 = ReadBE32(chunk + 4));
Round(g, h, a, b, c, d, e, f, 0xb5c0fbcf, w2 = ReadBE32(chunk + 8));
Round(f, g, h, a, b, c, d, e, 0xe9b5dba5, w3 = ReadBE32(chunk + 12));
Round(e, f, g, h, a, b, c, d, 0x3956c25b, w4 = ReadBE32(chunk + 16));
Round(d, e, f, g, h, a, b, c, 0x59f111f1, w5 = ReadBE32(chunk + 20));
Round(c, d, e, f, g, h, a, b, 0x923f82a4, w6 = ReadBE32(chunk + 24));
Round(b, c, d, e, f, g, h, a, 0xab1c5ed5, w7 = ReadBE32(chunk + 28));
Round(a, b, c, d, e, f, g, h, 0xd807aa98, w8 = ReadBE32(chunk + 32));
Round(h, a, b, c, d, e, f, g, 0x12835b01, w9 = ReadBE32(chunk + 36));
Round(g, h, a, b, c, d, e, f, 0x243185be, w10 = ReadBE32(chunk + 40));
Round(f, g, h, a, b, c, d, e, 0x550c7dc3, w11 = ReadBE32(chunk + 44));
Round(e, f, g, h, a, b, c, d, 0x72be5d74, w12 = ReadBE32(chunk + 48));
Round(d, e, f, g, h, a, b, c, 0x80deb1fe, w13 = ReadBE32(chunk + 52));
Round(c, d, e, f, g, h, a, b, 0x9bdc06a7, w14 = ReadBE32(chunk + 56));
Round(b, c, d, e, f, g, h, a, 0xc19bf174, w15 = ReadBE32(chunk + 60));
Round(a, b, c, d, e, f, g, h, 0xe49b69c1, w0 += sigma1(w14) + w9 + sigma0( w1));
Round(h, a, b, c, d, e, f, g, 0xefbe4786, w1 += sigma1(w15) + w10 + sigma0( w2));
Round(g, h, a, b, c, d, e, f, 0x0fc19dc6, w2 += sigma1( w0) + w11 + sigma0( w3));
Round(f, g, h, a, b, c, d, e, 0x240ca1cc, w3 += sigma1( w1) + w12 + sigma0( w4));
Round(e, f, g, h, a, b, c, d, 0x2de92c6f, w4 += sigma1( w2) + w13 + sigma0( w5));
Round(d, e, f, g, h, a, b, c, 0x4a7484aa, w5 += sigma1( w3) + w14 + sigma0( w6));
Round(c, d, e, f, g, h, a, b, 0x5cb0a9dc, w6 += sigma1( w4) + w15 + sigma0( w7));
Round(b, c, d, e, f, g, h, a, 0x76f988da, w7 += sigma1( w5) + w0 + sigma0( w8));
Round(a, b, c, d, e, f, g, h, 0x983e5152, w8 += sigma1( w6) + w1 + sigma0( w9));
Round(h, a, b, c, d, e, f, g, 0xa831c66d, w9 += sigma1( w7) + w2 + sigma0(w10));
Round(g, h, a, b, c, d, e, f, 0xb00327c8, w10 += sigma1( w8) + w3 + sigma0(w11));
Round(f, g, h, a, b, c, d, e, 0xbf597fc7, w11 += sigma1( w9) + w4 + sigma0(w12));
Round(e, f, g, h, a, b, c, d, 0xc6e00bf3, w12 += sigma1(w10) + w5 + sigma0(w13));
Round(d, e, f, g, h, a, b, c, 0xd5a79147, w13 += sigma1(w11) + w6 + sigma0(w14));
Round(c, d, e, f, g, h, a, b, 0x06ca6351, w14 += sigma1(w12) + w7 + sigma0(w15));
Round(b, c, d, e, f, g, h, a, 0x14292967, w15 += sigma1(w13) + w8 + sigma0( w0));
Round(a, b, c, d, e, f, g, h, 0x27b70a85, w0 += sigma1(w14) + w9 + sigma0( w1));
Round(h, a, b, c, d, e, f, g, 0x2e1b2138, w1 += sigma1(w15) + w10 + sigma0( w2));
Round(g, h, a, b, c, d, e, f, 0x4d2c6dfc, w2 += sigma1( w0) + w11 + sigma0( w3));
Round(f, g, h, a, b, c, d, e, 0x53380d13, w3 += sigma1( w1) + w12 + sigma0( w4));
Round(e, f, g, h, a, b, c, d, 0x650a7354, w4 += sigma1( w2) + w13 + sigma0( w5));
Round(d, e, f, g, h, a, b, c, 0x766a0abb, w5 += sigma1( w3) + w14 + sigma0( w6));
Round(c, d, e, f, g, h, a, b, 0x81c2c92e, w6 += sigma1( w4) + w15 + sigma0( w7));
Round(b, c, d, e, f, g, h, a, 0x92722c85, w7 += sigma1( w5) + w0 + sigma0( w8));
Round(a, b, c, d, e, f, g, h, 0xa2bfe8a1, w8 += sigma1( w6) + w1 + sigma0( w9));
Round(h, a, b, c, d, e, f, g, 0xa81a664b, w9 += sigma1( w7) + w2 + sigma0(w10));
Round(g, h, a, b, c, d, e, f, 0xc24b8b70, w10 += sigma1( w8) + w3 + sigma0(w11));
Round(f, g, h, a, b, c, d, e, 0xc76c51a3, w11 += sigma1( w9) + w4 + sigma0(w12));
Round(e, f, g, h, a, b, c, d, 0xd192e819, w12 += sigma1(w10) + w5 + sigma0(w13));
Round(d, e, f, g, h, a, b, c, 0xd6990624, w13 += sigma1(w11) + w6 + sigma0(w14));
Round(c, d, e, f, g, h, a, b, 0xf40e3585, w14 += sigma1(w12) + w7 + sigma0(w15));
Round(b, c, d, e, f, g, h, a, 0x106aa070, w15 += sigma1(w13) + w8 + sigma0( w0));
Round(a, b, c, d, e, f, g, h, 0x19a4c116, w0 += sigma1(w14) + w9 + sigma0( w1));
Round(h, a, b, c, d, e, f, g, 0x1e376c08, w1 += sigma1(w15) + w10 + sigma0( w2));
Round(g, h, a, b, c, d, e, f, 0x2748774c, w2 += sigma1( w0) + w11 + sigma0( w3));
Round(f, g, h, a, b, c, d, e, 0x34b0bcb5, w3 += sigma1( w1) + w12 + sigma0( w4));
Round(e, f, g, h, a, b, c, d, 0x391c0cb3, w4 += sigma1( w2) + w13 + sigma0( w5));
Round(d, e, f, g, h, a, b, c, 0x4ed8aa4a, w5 += sigma1( w3) + w14 + sigma0( w6));
Round(c, d, e, f, g, h, a, b, 0x5b9cca4f, w6 += sigma1( w4) + w15 + sigma0( w7));
Round(b, c, d, e, f, g, h, a, 0x682e6ff3, w7 += sigma1( w5) + w0 + sigma0( w8));
Round(a, b, c, d, e, f, g, h, 0x748f82ee, w8 += sigma1( w6) + w1 + sigma0( w9));
Round(h, a, b, c, d, e, f, g, 0x78a5636f, w9 += sigma1( w7) + w2 + sigma0(w10));
Round(g, h, a, b, c, d, e, f, 0x84c87814, w10 += sigma1( w8) + w3 + sigma0(w11));
Round(f, g, h, a, b, c, d, e, 0x8cc70208, w11 += sigma1( w9) + w4 + sigma0(w12));
Round(e, f, g, h, a, b, c, d, 0x90befffa, w12 += sigma1(w10) + w5 + sigma0(w13));
Round(d, e, f, g, h, a, b, c, 0xa4506ceb, w13 += sigma1(w11) + w6 + sigma0(w14));
Round(c, d, e, f, g, h, a, b, 0xbef9a3f7, w14 + sigma1(w12) + w7 + sigma0(w15));
Round(b, c, d, e, f, g, h, a, 0xc67178f2, w15 + sigma1(w13) + w8 + sigma0( w0));
s[0] += a;
s[1] += b;
s[2] += c;
s[3] += d;
s[4] += e;
s[5] += f;
s[6] += g;
s[7] += h;
}
} // namespace sha256
/// Internal SHA-512 implementation.
namespace sha512 {
uint64_t inline Ch(uint64_t x, uint64_t y, uint64_t z) { return z ^ (x & (y ^ z)); }
uint64_t inline Maj(uint64_t x, uint64_t y, uint64_t z) { return (x & y) | (z & (x | y)); }
uint64_t inline Sigma0(uint64_t x) { return (x >> 28 | x << 36) ^ (x >> 34 | x << 30) ^ (x >> 39 | x << 25); }
uint64_t inline Sigma1(uint64_t x) { return (x >> 14 | x << 50) ^ (x >> 18 | x << 46) ^ (x >> 41 | x << 23); }
uint64_t inline sigma0(uint64_t x) { return (x >> 1 | x << 63) ^ (x >> 8 | x << 56) ^ (x >> 7); }
uint64_t inline sigma1(uint64_t x) { return (x >> 19 | x << 45) ^ (x >> 61 | x << 3) ^ (x >> 6); }
/** One round of SHA-512. */
void inline Round(uint64_t a, uint64_t b, uint64_t c, uint64_t &d,
uint64_t e, uint64_t f, uint64_t g, uint64_t &h,
uint64_t k, uint64_t w) {
uint64_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w;
uint64_t t2 = Sigma0(a) + Maj(a, b, c);
d += t1;
h = t1 + t2;
}
/** Initialize SHA-256 state. */
void inline Initialize(uint64_t *s) {
s[0] = 0x6a09e667f3bcc908ull;
s[1] = 0xbb67ae8584caa73bull;
s[2] = 0x3c6ef372fe94f82bull;
s[3] = 0xa54ff53a5f1d36f1ull;
s[4] = 0x510e527fade682d1ull;
s[5] = 0x9b05688c2b3e6c1full;
s[6] = 0x1f83d9abfb41bd6bull;
s[7] = 0x5be0cd19137e2179ull;
}
/** Perform one SHA-512 transformation, processing a 128-byte chunk. */
void Transform(uint64_t *s, const unsigned char *chunk) {
uint64_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4], f = s[5], g = s[6], h = s[7];
uint64_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
Round(a, b, c, d, e, f, g, h, 0x428a2f98d728ae22ull, w0 = ReadBE64(chunk + 0));
Round(h, a, b, c, d, e, f, g, 0x7137449123ef65cdull, w1 = ReadBE64(chunk + 8));
Round(g, h, a, b, c, d, e, f, 0xb5c0fbcfec4d3b2full, w2 = ReadBE64(chunk + 16));
Round(f, g, h, a, b, c, d, e, 0xe9b5dba58189dbbcull, w3 = ReadBE64(chunk + 24));
Round(e, f, g, h, a, b, c, d, 0x3956c25bf348b538ull, w4 = ReadBE64(chunk + 32));
Round(d, e, f, g, h, a, b, c, 0x59f111f1b605d019ull, w5 = ReadBE64(chunk + 40));
Round(c, d, e, f, g, h, a, b, 0x923f82a4af194f9bull, w6 = ReadBE64(chunk + 48));
Round(b, c, d, e, f, g, h, a, 0xab1c5ed5da6d8118ull, w7 = ReadBE64(chunk + 56));
Round(a, b, c, d, e, f, g, h, 0xd807aa98a3030242ull, w8 = ReadBE64(chunk + 64));
Round(h, a, b, c, d, e, f, g, 0x12835b0145706fbeull, w9 = ReadBE64(chunk + 72));
Round(g, h, a, b, c, d, e, f, 0x243185be4ee4b28cull, w10 = ReadBE64(chunk + 80));
Round(f, g, h, a, b, c, d, e, 0x550c7dc3d5ffb4e2ull, w11 = ReadBE64(chunk + 88));
Round(e, f, g, h, a, b, c, d, 0x72be5d74f27b896full, w12 = ReadBE64(chunk + 96));
Round(d, e, f, g, h, a, b, c, 0x80deb1fe3b1696b1ull, w13 = ReadBE64(chunk + 104));
Round(c, d, e, f, g, h, a, b, 0x9bdc06a725c71235ull, w14 = ReadBE64(chunk + 112));
Round(b, c, d, e, f, g, h, a, 0xc19bf174cf692694ull, w15 = ReadBE64(chunk + 120));
Round(a, b, c, d, e, f, g, h, 0xe49b69c19ef14ad2ull, w0 += sigma1(w14) + w9 + sigma0( w1));
Round(h, a, b, c, d, e, f, g, 0xefbe4786384f25e3ull, w1 += sigma1(w15) + w10 + sigma0( w2));
Round(g, h, a, b, c, d, e, f, 0x0fc19dc68b8cd5b5ull, w2 += sigma1( w0) + w11 + sigma0( w3));
Round(f, g, h, a, b, c, d, e, 0x240ca1cc77ac9c65ull, w3 += sigma1( w1) + w12 + sigma0( w4));
Round(e, f, g, h, a, b, c, d, 0x2de92c6f592b0275ull, w4 += sigma1( w2) + w13 + sigma0( w5));
Round(d, e, f, g, h, a, b, c, 0x4a7484aa6ea6e483ull, w5 += sigma1( w3) + w14 + sigma0( w6));
Round(c, d, e, f, g, h, a, b, 0x5cb0a9dcbd41fbd4ull, w6 += sigma1( w4) + w15 + sigma0( w7));
Round(b, c, d, e, f, g, h, a, 0x76f988da831153b5ull, w7 += sigma1( w5) + w0 + sigma0( w8));
Round(a, b, c, d, e, f, g, h, 0x983e5152ee66dfabull, w8 += sigma1( w6) + w1 + sigma0( w9));
Round(h, a, b, c, d, e, f, g, 0xa831c66d2db43210ull, w9 += sigma1( w7) + w2 + sigma0(w10));
Round(g, h, a, b, c, d, e, f, 0xb00327c898fb213full, w10 += sigma1( w8) + w3 + sigma0(w11));
Round(f, g, h, a, b, c, d, e, 0xbf597fc7beef0ee4ull, w11 += sigma1( w9) + w4 + sigma0(w12));
Round(e, f, g, h, a, b, c, d, 0xc6e00bf33da88fc2ull, w12 += sigma1(w10) + w5 + sigma0(w13));
Round(d, e, f, g, h, a, b, c, 0xd5a79147930aa725ull, w13 += sigma1(w11) + w6 + sigma0(w14));
Round(c, d, e, f, g, h, a, b, 0x06ca6351e003826full, w14 += sigma1(w12) + w7 + sigma0(w15));
Round(b, c, d, e, f, g, h, a, 0x142929670a0e6e70ull, w15 += sigma1(w13) + w8 + sigma0( w0));
Round(a, b, c, d, e, f, g, h, 0x27b70a8546d22ffcull, w0 += sigma1(w14) + w9 + sigma0( w1));
Round(h, a, b, c, d, e, f, g, 0x2e1b21385c26c926ull, w1 += sigma1(w15) + w10 + sigma0( w2));
Round(g, h, a, b, c, d, e, f, 0x4d2c6dfc5ac42aedull, w2 += sigma1( w0) + w11 + sigma0( w3));
Round(f, g, h, a, b, c, d, e, 0x53380d139d95b3dfull, w3 += sigma1( w1) + w12 + sigma0( w4));
Round(e, f, g, h, a, b, c, d, 0x650a73548baf63deull, w4 += sigma1( w2) + w13 + sigma0( w5));
Round(d, e, f, g, h, a, b, c, 0x766a0abb3c77b2a8ull, w5 += sigma1( w3) + w14 + sigma0( w6));
Round(c, d, e, f, g, h, a, b, 0x81c2c92e47edaee6ull, w6 += sigma1( w4) + w15 + sigma0( w7));
Round(b, c, d, e, f, g, h, a, 0x92722c851482353bull, w7 += sigma1( w5) + w0 + sigma0( w8));
Round(a, b, c, d, e, f, g, h, 0xa2bfe8a14cf10364ull, w8 += sigma1( w6) + w1 + sigma0( w9));
Round(h, a, b, c, d, e, f, g, 0xa81a664bbc423001ull, w9 += sigma1( w7) + w2 + sigma0(w10));
Round(g, h, a, b, c, d, e, f, 0xc24b8b70d0f89791ull, w10 += sigma1( w8) + w3 + sigma0(w11));
Round(f, g, h, a, b, c, d, e, 0xc76c51a30654be30ull, w11 += sigma1( w9) + w4 + sigma0(w12));
Round(e, f, g, h, a, b, c, d, 0xd192e819d6ef5218ull, w12 += sigma1(w10) + w5 + sigma0(w13));
Round(d, e, f, g, h, a, b, c, 0xd69906245565a910ull, w13 += sigma1(w11) + w6 + sigma0(w14));
Round(c, d, e, f, g, h, a, b, 0xf40e35855771202aull, w14 += sigma1(w12) + w7 + sigma0(w15));
Round(b, c, d, e, f, g, h, a, 0x106aa07032bbd1b8ull, w15 += sigma1(w13) + w8 + sigma0( w0));
Round(a, b, c, d, e, f, g, h, 0x19a4c116b8d2d0c8ull, w0 += sigma1(w14) + w9 + sigma0( w1));
Round(h, a, b, c, d, e, f, g, 0x1e376c085141ab53ull, w1 += sigma1(w15) + w10 + sigma0( w2));
Round(g, h, a, b, c, d, e, f, 0x2748774cdf8eeb99ull, w2 += sigma1( w0) + w11 + sigma0( w3));
Round(f, g, h, a, b, c, d, e, 0x34b0bcb5e19b48a8ull, w3 += sigma1( w1) + w12 + sigma0( w4));
Round(e, f, g, h, a, b, c, d, 0x391c0cb3c5c95a63ull, w4 += sigma1( w2) + w13 + sigma0( w5));
Round(d, e, f, g, h, a, b, c, 0x4ed8aa4ae3418acbull, w5 += sigma1( w3) + w14 + sigma0( w6));
Round(c, d, e, f, g, h, a, b, 0x5b9cca4f7763e373ull, w6 += sigma1( w4) + w15 + sigma0( w7));
Round(b, c, d, e, f, g, h, a, 0x682e6ff3d6b2b8a3ull, w7 += sigma1( w5) + w0 + sigma0( w8));
Round(a, b, c, d, e, f, g, h, 0x748f82ee5defb2fcull, w8 += sigma1( w6) + w1 + sigma0( w9));
Round(h, a, b, c, d, e, f, g, 0x78a5636f43172f60ull, w9 += sigma1( w7) + w2 + sigma0(w10));
Round(g, h, a, b, c, d, e, f, 0x84c87814a1f0ab72ull, w10 += sigma1( w8) + w3 + sigma0(w11));
Round(f, g, h, a, b, c, d, e, 0x8cc702081a6439ecull, w11 += sigma1( w9) + w4 + sigma0(w12));
Round(e, f, g, h, a, b, c, d, 0x90befffa23631e28ull, w12 += sigma1(w10) + w5 + sigma0(w13));
Round(d, e, f, g, h, a, b, c, 0xa4506cebde82bde9ull, w13 += sigma1(w11) + w6 + sigma0(w14));
Round(c, d, e, f, g, h, a, b, 0xbef9a3f7b2c67915ull, w14 += sigma1(w12) + w7 + sigma0(w15));
Round(b, c, d, e, f, g, h, a, 0xc67178f2e372532bull, w15 += sigma1(w13) + w8 + sigma0( w0));
Round(a, b, c, d, e, f, g, h, 0xca273eceea26619cull, w0 += sigma1(w14) + w9 + sigma0( w1));
Round(h, a, b, c, d, e, f, g, 0xd186b8c721c0c207ull, w1 += sigma1(w15) + w10 + sigma0( w2));
Round(g, h, a, b, c, d, e, f, 0xeada7dd6cde0eb1eull, w2 += sigma1( w0) + w11 + sigma0( w3));
Round(f, g, h, a, b, c, d, e, 0xf57d4f7fee6ed178ull, w3 += sigma1( w1) + w12 + sigma0( w4));
Round(e, f, g, h, a, b, c, d, 0x06f067aa72176fbaull, w4 += sigma1( w2) + w13 + sigma0( w5));
Round(d, e, f, g, h, a, b, c, 0x0a637dc5a2c898a6ull, w5 += sigma1( w3) + w14 + sigma0( w6));
Round(c, d, e, f, g, h, a, b, 0x113f9804bef90daeull, w6 += sigma1( w4) + w15 + sigma0( w7));
Round(b, c, d, e, f, g, h, a, 0x1b710b35131c471bull, w7 += sigma1( w5) + w0 + sigma0( w8));
Round(a, b, c, d, e, f, g, h, 0x28db77f523047d84ull, w8 += sigma1( w6) + w1 + sigma0( w9));
Round(h, a, b, c, d, e, f, g, 0x32caab7b40c72493ull, w9 += sigma1( w7) + w2 + sigma0(w10));
Round(g, h, a, b, c, d, e, f, 0x3c9ebe0a15c9bebcull, w10 += sigma1( w8) + w3 + sigma0(w11));
Round(f, g, h, a, b, c, d, e, 0x431d67c49c100d4cull, w11 += sigma1( w9) + w4 + sigma0(w12));
Round(e, f, g, h, a, b, c, d, 0x4cc5d4becb3e42b6ull, w12 += sigma1(w10) + w5 + sigma0(w13));
Round(d, e, f, g, h, a, b, c, 0x597f299cfc657e2aull, w13 += sigma1(w11) + w6 + sigma0(w14));
Round(c, d, e, f, g, h, a, b, 0x5fcb6fab3ad6faecull, w14 += sigma1(w12) + w7 + sigma0(w15));
Round(b, c, d, e, f, g, h, a, 0x6c44198c4a475817ull, w15 += sigma1(w13) + w8 + sigma0( w0));
s[0] += a;
s[1] += b;
s[2] += c;
s[3] += d;
s[4] += e;
s[5] += f;
s[6] += g;
s[7] += h;
}
} // namespace sha512
} // namespace
////// SHA-256
CSHA256::CSHA256() : bytes(0) {
sha256::Initialize(s);
}
CSHA256& CSHA256::Write(const unsigned char *data, size_t len) {
const unsigned char *end = data + len;
size_t bufsize = bytes % 64;
if (bufsize && bufsize + len >= 64) {
// Fill the buffer, and process it.
memcpy(buf + bufsize, data, 64 - bufsize);
bytes += 64 - bufsize;
data += 64 - bufsize;
sha256::Transform(s, buf);
bufsize = 0;
}
while (end >= data + 64) {
// Process full chunks directly from the source.
sha256::Transform(s, data);
bytes += 64;
data += 64;
}
if (end > data) {
// Fill the buffer with what remains.
memcpy(buf + bufsize, data, end - data);
bytes += end - data;
}
return *this;
}
void CSHA256::Finalize(unsigned char hash[OUTPUT_SIZE]) {
static const unsigned char pad[64] = {0x80};
unsigned char sizedesc[8];
WriteBE64(sizedesc, bytes << 3);
Write(pad, 1 + ((119 - (bytes % 64)) % 64));
Write(sizedesc, 8);
WriteBE32(hash, s[0]);
WriteBE32(hash+4, s[1]);
WriteBE32(hash+8, s[2]);
WriteBE32(hash+12, s[3]);
WriteBE32(hash+16, s[4]);
WriteBE32(hash+20, s[5]);
WriteBE32(hash+24, s[6]);
WriteBE32(hash+28, s[7]);
}
CSHA256& CSHA256::Reset() {
bytes = 0;
sha256::Initialize(s);
return *this;
}
////// SHA-512
CSHA512::CSHA512() : bytes(0) {
sha512::Initialize(s);
}
CSHA512& CSHA512::Write(const unsigned char *data, size_t len) {
const unsigned char *end = data + len;
size_t bufsize = bytes % 128;
if (bufsize && bufsize + len >= 128) {
// Fill the buffer, and process it.
memcpy(buf + bufsize, data, 128 - bufsize);
bytes += 128 - bufsize;
data += 128 - bufsize;
sha512::Transform(s, buf);
bufsize = 0;
}
while (end >= data + 128) {
// Process full chunks directly from the source.
sha512::Transform(s, data);
data += 128;
bytes += 128;
}
if (end > data) {
// Fill the buffer with what remains.
memcpy(buf + bufsize, data, end - data);
bytes += end - data;
}
return *this;
}
void CSHA512::Finalize(unsigned char hash[OUTPUT_SIZE]) {
static const unsigned char pad[128] = {0x80};
unsigned char sizedesc[16] = {0x00};
WriteBE64(sizedesc+8, bytes << 3);
Write(pad, 1 + ((239 - (bytes % 128)) % 128));
Write(sizedesc, 16);
WriteBE64(hash, s[0]);
WriteBE64(hash+8, s[1]);
WriteBE64(hash+16, s[2]);
WriteBE64(hash+24, s[3]);
WriteBE64(hash+32, s[4]);
WriteBE64(hash+40, s[5]);
WriteBE64(hash+48, s[6]);
WriteBE64(hash+56, s[7]);
}
CSHA512& CSHA512::Reset() {
bytes = 0;
sha512::Initialize(s);
return *this;
}
////// HMAC-SHA-512
CHMAC_SHA512::CHMAC_SHA512(const unsigned char *key, size_t keylen) {
unsigned char rkey[128];
if (keylen <= 128) {