mirror of
https://github.com/kvazar-network/kevacoin.git
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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)
This commit is contained in:
Wladimir J. van der Laan
commit
f0877f8b62
@ -203,10 +203,18 @@ libbitcoin_wallet_a_SOURCES = \
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crypto_libbitcoin_crypto_a_CPPFLAGS = $(BITCOIN_CONFIG_INCLUDES)
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crypto_libbitcoin_crypto_a_SOURCES = \
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crypto/sha1.cpp \
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crypto/sha2.cpp \
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crypto/sha256.cpp \
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crypto/sha512.cpp \
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crypto/hmac_sha256.cpp \
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crypto/rfc6979_hmac_sha256.cpp \
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crypto/hmac_sha512.cpp \
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crypto/ripemd160.cpp \
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crypto/common.h \
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crypto/sha2.h \
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crypto/sha256.h \
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crypto/sha512.h \
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crypto/hmac_sha256.h \
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crypto/rfc6979_hmac_sha256.h \
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crypto/hmac_sha512.h \
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crypto/sha1.h \
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crypto/ripemd160.h
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@ -343,8 +351,10 @@ if BUILD_BITCOIN_LIBS
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include_HEADERS = script/bitcoinconsensus.h
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libbitcoinconsensus_la_SOURCES = \
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core/transaction.cpp \
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crypto/hmac_sha512.cpp \
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crypto/sha1.cpp \
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crypto/sha2.cpp \
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crypto/sha256.cpp \
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crypto/sha512.cpp \
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crypto/ripemd160.cpp \
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eccryptoverify.cpp \
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ecwrapper.cpp \
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34
src/crypto/hmac_sha256.cpp
Normal file
34
src/crypto/hmac_sha256.cpp
Normal file
@ -0,0 +1,34 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "crypto/hmac_sha256.h"
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#include <string.h>
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CHMAC_SHA256::CHMAC_SHA256(const unsigned char* key, size_t keylen)
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{
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unsigned char rkey[64];
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if (keylen <= 64) {
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memcpy(rkey, key, keylen);
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memset(rkey + keylen, 0, 64 - keylen);
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} else {
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CSHA256().Write(key, keylen).Finalize(rkey);
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memset(rkey + 32, 0, 32);
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}
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for (int n = 0; n < 64; n++)
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rkey[n] ^= 0x5c;
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outer.Write(rkey, 64);
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for (int n = 0; n < 64; n++)
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rkey[n] ^= 0x5c ^ 0x36;
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inner.Write(rkey, 64);
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}
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void CHMAC_SHA256::Finalize(unsigned char hash[OUTPUT_SIZE])
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{
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unsigned char temp[32];
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inner.Finalize(temp);
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outer.Write(temp, 32).Finalize(hash);
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}
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32
src/crypto/hmac_sha256.h
Normal file
32
src/crypto/hmac_sha256.h
Normal file
@ -0,0 +1,32 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_CRYPTO_HMAC_SHA256_H
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#define BITCOIN_CRYPTO_HMAC_SHA256_H
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#include "crypto/sha256.h"
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#include <stdint.h>
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#include <stdlib.h>
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/** A hasher class for HMAC-SHA-512. */
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class CHMAC_SHA256
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{
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private:
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CSHA256 outer;
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CSHA256 inner;
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public:
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static const size_t OUTPUT_SIZE = 32;
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CHMAC_SHA256(const unsigned char* key, size_t keylen);
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CHMAC_SHA256& Write(const unsigned char* data, size_t len)
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{
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inner.Write(data, len);
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return *this;
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}
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void Finalize(unsigned char hash[OUTPUT_SIZE]);
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};
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#endif // BITCOIN_CRYPTO_HMAC_SHA256_H
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34
src/crypto/hmac_sha512.cpp
Normal file
34
src/crypto/hmac_sha512.cpp
Normal file
@ -0,0 +1,34 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "crypto/hmac_sha512.h"
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#include <string.h>
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CHMAC_SHA512::CHMAC_SHA512(const unsigned char* key, size_t keylen)
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{
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unsigned char rkey[128];
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if (keylen <= 128) {
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memcpy(rkey, key, keylen);
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memset(rkey + keylen, 0, 128 - keylen);
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} else {
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CSHA512().Write(key, keylen).Finalize(rkey);
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memset(rkey + 64, 0, 64);
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}
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for (int n = 0; n < 128; n++)
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rkey[n] ^= 0x5c;
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outer.Write(rkey, 128);
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for (int n = 0; n < 128; n++)
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rkey[n] ^= 0x5c ^ 0x36;
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inner.Write(rkey, 128);
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}
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void CHMAC_SHA512::Finalize(unsigned char hash[OUTPUT_SIZE])
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{
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unsigned char temp[64];
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inner.Finalize(temp);
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outer.Write(temp, 64).Finalize(hash);
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}
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32
src/crypto/hmac_sha512.h
Normal file
32
src/crypto/hmac_sha512.h
Normal file
@ -0,0 +1,32 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_CRYPTO_HMAC_SHA512_H
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#define BITCOIN_CRYPTO_HMAC_SHA512_H
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#include "crypto/sha512.h"
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#include <stdint.h>
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#include <stdlib.h>
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/** A hasher class for HMAC-SHA-512. */
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class CHMAC_SHA512
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{
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private:
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CSHA512 outer;
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CSHA512 inner;
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public:
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static const size_t OUTPUT_SIZE = 64;
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CHMAC_SHA512(const unsigned char* key, size_t keylen);
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CHMAC_SHA512& Write(const unsigned char* data, size_t len)
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{
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inner.Write(data, len);
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return *this;
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}
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void Finalize(unsigned char hash[OUTPUT_SIZE]);
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};
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#endif // BITCOIN_CRYPTO_HMAC_SHA512_H
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47
src/crypto/rfc6979_hmac_sha256.cpp
Normal file
47
src/crypto/rfc6979_hmac_sha256.cpp
Normal file
@ -0,0 +1,47 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "crypto/rfc6979_hmac_sha256.h"
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#include <string.h>
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#include <algorithm>
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static const unsigned char zero[1] = {0x00};
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static const unsigned char one[1] = {0x01};
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RFC6979_HMAC_SHA256::RFC6979_HMAC_SHA256(const unsigned char* key, size_t keylen, const unsigned char* msg, size_t msglen) : retry(false)
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{
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memset(V, 0x01, sizeof(V));
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memset(K, 0x00, sizeof(K));
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CHMAC_SHA256(K, sizeof(K)).Write(V, sizeof(V)).Write(zero, sizeof(zero)).Write(key, keylen).Write(msg, msglen).Finalize(K);
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CHMAC_SHA256(K, sizeof(K)).Write(V, sizeof(V)).Finalize(V);
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CHMAC_SHA256(K, sizeof(K)).Write(V, sizeof(V)).Write(one, sizeof(one)).Write(key, keylen).Write(msg, msglen).Finalize(K);
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CHMAC_SHA256(K, sizeof(K)).Write(V, sizeof(V)).Finalize(V);
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}
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RFC6979_HMAC_SHA256::~RFC6979_HMAC_SHA256()
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{
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memset(V, 0x01, sizeof(V));
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memset(K, 0x00, sizeof(K));
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}
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void RFC6979_HMAC_SHA256::Generate(unsigned char* output, size_t outputlen)
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{
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if (retry) {
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CHMAC_SHA256(K, sizeof(K)).Write(V, sizeof(V)).Write(zero, sizeof(zero)).Finalize(K);
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CHMAC_SHA256(K, sizeof(K)).Write(V, sizeof(V)).Finalize(V);
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}
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while (outputlen > 0) {
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CHMAC_SHA256(K, sizeof(K)).Write(V, sizeof(V)).Finalize(V);
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size_t len = std::min(outputlen, sizeof(V));
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memcpy(output, V, len);
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output += len;
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outputlen -= len;
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}
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retry = true;
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}
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36
src/crypto/rfc6979_hmac_sha256.h
Normal file
36
src/crypto/rfc6979_hmac_sha256.h
Normal file
@ -0,0 +1,36 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_RFC6979_HMAC_SHA256_H
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#define BITCOIN_RFC6979_HMAC_SHA256_H
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#include "crypto/hmac_sha256.h"
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#include <stdint.h>
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#include <stdlib.h>
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/** The RFC 6979 PRNG using HMAC-SHA256. */
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class RFC6979_HMAC_SHA256
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{
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private:
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unsigned char V[CHMAC_SHA256::OUTPUT_SIZE];
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unsigned char K[CHMAC_SHA256::OUTPUT_SIZE];
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bool retry;
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public:
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/**
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* Construct a new RFC6979 PRNG, using the given key and message.
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* The message is assumed to be already hashed.
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*/
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RFC6979_HMAC_SHA256(const unsigned char* key, size_t keylen, const unsigned char* msg, size_t msglen);
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/**
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* Generate a byte array.
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*/
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void Generate(unsigned char* output, size_t outputlen);
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~RFC6979_HMAC_SHA256();
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};
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#endif // BITCOIN_RFC6979_HMAC_SHA256_H
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@ -1,64 +0,0 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_CRYPTO_SHA2_H
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#define BITCOIN_CRYPTO_SHA2_H
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#include <stdint.h>
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#include <stdlib.h>
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/** A hasher class for SHA-256. */
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class CSHA256
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{
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private:
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uint32_t s[8];
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unsigned char buf[64];
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size_t bytes;
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public:
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static const size_t OUTPUT_SIZE = 32;
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CSHA256();
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CSHA256& Write(const unsigned char* data, size_t len);
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void Finalize(unsigned char hash[OUTPUT_SIZE]);
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CSHA256& Reset();
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};
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/** A hasher class for SHA-512. */
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class CSHA512
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{
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private:
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uint64_t s[8];
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unsigned char buf[128];
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size_t bytes;
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public:
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static const size_t OUTPUT_SIZE = 64;
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CSHA512();
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CSHA512& Write(const unsigned char* data, size_t len);
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void Finalize(unsigned char hash[OUTPUT_SIZE]);
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CSHA512& Reset();
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};
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/** A hasher class for HMAC-SHA-512. */
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class CHMAC_SHA512
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{
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private:
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CSHA512 outer;
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CSHA512 inner;
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public:
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static const size_t OUTPUT_SIZE = 64;
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CHMAC_SHA512(const unsigned char* key, size_t keylen);
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CHMAC_SHA512& Write(const unsigned char* data, size_t len)
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{
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inner.Write(data, len);
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return *this;
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}
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void Finalize(unsigned char hash[OUTPUT_SIZE]);
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};
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#endif // BITCOIN_CRYPTO_SHA2_H
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189
src/crypto/sha256.cpp
Normal file
189
src/crypto/sha256.cpp
Normal file
@ -0,0 +1,189 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
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|
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#include "crypto/sha256.h"
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#include "crypto/common.h"
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#include <string.h>
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// Internal implementation code.
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namespace
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{
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/// Internal SHA-256 implementation.
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namespace sha256
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{
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uint32_t inline Ch(uint32_t x, uint32_t y, uint32_t z) { return z ^ (x & (y ^ z)); }
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uint32_t inline Maj(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (z & (x | y)); }
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uint32_t inline Sigma0(uint32_t x) { return (x >> 2 | x << 30) ^ (x >> 13 | x << 19) ^ (x >> 22 | x << 10); }
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uint32_t inline Sigma1(uint32_t x) { return (x >> 6 | x << 26) ^ (x >> 11 | x << 21) ^ (x >> 25 | x << 7); }
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uint32_t inline sigma0(uint32_t x) { return (x >> 7 | x << 25) ^ (x >> 18 | x << 14) ^ (x >> 3); }
|
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uint32_t inline sigma1(uint32_t x) { return (x >> 17 | x << 15) ^ (x >> 19 | x << 13) ^ (x >> 10); }
|
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|
||||
/** One round of SHA-256. */
|
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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)
|
||||
{
|
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uint32_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w;
|
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uint32_t t2 = Sigma0(a) + Maj(a, b, c);
|
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d += t1;
|
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h = t1 + t2;
|
||||
}
|
||||
|
||||
/** Initialize SHA-256 state. */
|
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void inline Initialize(uint32_t* s)
|
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{
|
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s[0] = 0x6a09e667ul;
|
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s[1] = 0xbb67ae85ul;
|
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s[2] = 0x3c6ef372ul;
|
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s[3] = 0xa54ff53aul;
|
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s[4] = 0x510e527ful;
|
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s[5] = 0x9b05688cul;
|
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s[6] = 0x1f83d9abul;
|
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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;
|
||||
|
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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
|
||||
} // 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;
|
||||
}
|
||||
28
src/crypto/sha256.h
Normal file
28
src/crypto/sha256.h
Normal file
@ -0,0 +1,28 @@
|
||||
// Copyright (c) 2014 The Bitcoin developers
|
||||
// Distributed under the MIT software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#ifndef BITCOIN_CRYPTO_SHA256_H
|
||||
#define BITCOIN_CRYPTO_SHA256_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
/** A hasher class for SHA-256. */
|
||||
class CSHA256
|
||||
{
|
||||
private:
|
||||
uint32_t s[8];
|
||||
unsigned char buf[64];
|
||||
size_t bytes;
|
||||
|
||||
public:
|
||||
static const size_t OUTPUT_SIZE = 32;
|
||||
|
||||
CSHA256();
|
||||
CSHA256& Write(const unsigned char* data, size_t len);
|
||||
void Finalize(unsigned char hash[OUTPUT_SIZE]);
|
||||
CSHA256& Reset();
|
||||
};
|
||||
|
||||
#endif // BITCOIN_CRYPTO_SHA256_H
|
||||
@ -2,7 +2,7 @@
|
||||
// Distributed under the MIT software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#include "crypto/sha2.h"
|
||||
#include "crypto/sha512.h"
|
||||
|
||||
#include "crypto/common.h"
|
||||
|
||||
@ -11,124 +11,6 @@
|
||||
// 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
|
||||
{
|
||||
@ -249,8 +131,8 @@ void Transform(uint64_t* s, const unsigned char* chunk)
|
||||
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));
|
||||
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;
|
||||
@ -267,63 +149,6 @@ void Transform(uint64_t* s, const unsigned char* chunk)
|
||||
} // 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)
|
||||
@ -380,32 +205,3 @@ CSHA512& CSHA512::Reset()
|
||||
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) {
|
||||
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);
|
||||
}
|
||||
28
src/crypto/sha512.h
Normal file
28
src/crypto/sha512.h
Normal file
@ -0,0 +1,28 @@
|
||||
// Copyright (c) 2014 The Bitcoin developers
|
||||
// Distributed under the MIT software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#ifndef BITCOIN_CRYPTO_SHA512_H
|
||||
#define BITCOIN_CRYPTO_SHA512_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
/** A hasher class for SHA-512. */
|
||||
class CSHA512
|
||||
{
|
||||
private:
|
||||
uint64_t s[8];
|
||||
unsigned char buf[128];
|
||||
size_t bytes;
|
||||
|
||||
public:
|
||||
static const size_t OUTPUT_SIZE = 64;
|
||||
|
||||
CSHA512();
|
||||
CSHA512& Write(const unsigned char* data, size_t len);
|
||||
void Finalize(unsigned char hash[OUTPUT_SIZE]);
|
||||
CSHA512& Reset();
|
||||
};
|
||||
|
||||
#endif // BITCOIN_CRYPTO_SHA512_H
|
||||
@ -3,6 +3,7 @@
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#include "hash.h"
|
||||
#include "crypto/hmac_sha512.h"
|
||||
|
||||
inline uint32_t ROTL32(uint32_t x, int8_t r)
|
||||
{
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
#define BITCOIN_HASH_H
|
||||
|
||||
#include "crypto/ripemd160.h"
|
||||
#include "crypto/sha2.h"
|
||||
#include "crypto/sha256.h"
|
||||
#include "serialize.h"
|
||||
#include "uint256.h"
|
||||
#include "version.h"
|
||||
|
||||
32
src/key.cpp
32
src/key.cpp
@ -4,7 +4,8 @@
|
||||
|
||||
#include "key.h"
|
||||
|
||||
#include "crypto/sha2.h"
|
||||
#include "crypto/hmac_sha512.h"
|
||||
#include "crypto/rfc6979_hmac_sha256.h"
|
||||
#include "eccryptoverify.h"
|
||||
#include "pubkey.h"
|
||||
#include "random.h"
|
||||
@ -71,19 +72,23 @@ CPubKey CKey::GetPubKey() const {
|
||||
return result;
|
||||
}
|
||||
|
||||
bool CKey::Sign(const uint256 &hash, std::vector<unsigned char>& vchSig) const {
|
||||
bool CKey::Sign(const uint256 &hash, std::vector<unsigned char>& vchSig, uint32_t test_case) const {
|
||||
if (!fValid)
|
||||
return false;
|
||||
vchSig.resize(72);
|
||||
int nSigLen = 72;
|
||||
CKey nonce;
|
||||
RFC6979_HMAC_SHA256 prng(begin(), 32, (unsigned char*)&hash, 32);
|
||||
do {
|
||||
nonce.MakeNewKey(true);
|
||||
if (secp256k1_ecdsa_sign((const unsigned char*)&hash, 32, (unsigned char*)&vchSig[0], &nSigLen, begin(), nonce.begin()))
|
||||
break;
|
||||
uint256 nonce;
|
||||
prng.Generate((unsigned char*)&nonce, 32);
|
||||
nonce += test_case;
|
||||
int nSigLen = 72;
|
||||
int ret = secp256k1_ecdsa_sign((const unsigned char*)&hash, 32, (unsigned char*)&vchSig[0], &nSigLen, begin(), (unsigned char*)&nonce);
|
||||
nonce = 0;
|
||||
if (ret) {
|
||||
vchSig.resize(nSigLen);
|
||||
return true;
|
||||
}
|
||||
} while(true);
|
||||
vchSig.resize(nSigLen);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool CKey::VerifyPubKey(const CPubKey& pubkey) const {
|
||||
@ -105,10 +110,13 @@ bool CKey::SignCompact(const uint256 &hash, std::vector<unsigned char>& vchSig)
|
||||
return false;
|
||||
vchSig.resize(65);
|
||||
int rec = -1;
|
||||
CKey nonce;
|
||||
RFC6979_HMAC_SHA256 prng(begin(), 32, (unsigned char*)&hash, 32);
|
||||
do {
|
||||
nonce.MakeNewKey(true);
|
||||
if (secp256k1_ecdsa_sign_compact((const unsigned char*)&hash, 32, &vchSig[1], begin(), nonce.begin(), &rec))
|
||||
uint256 nonce;
|
||||
prng.Generate((unsigned char*)&nonce, 32);
|
||||
int ret = secp256k1_ecdsa_sign_compact((const unsigned char*)&hash, 32, &vchSig[1], begin(), (unsigned char*)&nonce, &rec);
|
||||
nonce = 0;
|
||||
if (ret)
|
||||
break;
|
||||
} while(true);
|
||||
assert(rec != -1);
|
||||
|
||||
@ -122,8 +122,12 @@ public:
|
||||
*/
|
||||
CPubKey GetPubKey() const;
|
||||
|
||||
//! Create a DER-serialized signature.
|
||||
bool Sign(const uint256& hash, std::vector<unsigned char>& vchSig) const;
|
||||
/**
|
||||
* Create a DER-serialized signature.
|
||||
* The test_case parameter tweaks the deterministic nonce, and is only for
|
||||
* testing. It should be zero for normal use.
|
||||
*/
|
||||
bool Sign(const uint256& hash, std::vector<unsigned char>& vchSig, uint32_t test_case = 0) const;
|
||||
|
||||
/**
|
||||
* Create a compact signature (65 bytes), which allows reconstructing the used public key.
|
||||
|
||||
@ -4,7 +4,6 @@
|
||||
|
||||
#include "pubkey.h"
|
||||
|
||||
#include "crypto/sha2.h"
|
||||
#include "eccryptoverify.h"
|
||||
|
||||
#ifdef USE_SECP256K1
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
#include "core/transaction.h"
|
||||
#include "crypto/ripemd160.h"
|
||||
#include "crypto/sha1.h"
|
||||
#include "crypto/sha2.h"
|
||||
#include "crypto/sha256.h"
|
||||
#include "eccryptoverify.h"
|
||||
#include "pubkey.h"
|
||||
#include "script/script.h"
|
||||
|
||||
@ -2,14 +2,19 @@
|
||||
// Distributed under the MIT/X11 software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#include "crypto/rfc6979_hmac_sha256.h"
|
||||
#include "crypto/ripemd160.h"
|
||||
#include "crypto/sha1.h"
|
||||
#include "crypto/sha2.h"
|
||||
#include "crypto/sha256.h"
|
||||
#include "crypto/sha512.h"
|
||||
#include "crypto/hmac_sha256.h"
|
||||
#include "crypto/hmac_sha512.h"
|
||||
#include "random.h"
|
||||
#include "utilstrencodings.h"
|
||||
|
||||
#include <vector>
|
||||
|
||||
#include <boost/assign/list_of.hpp>
|
||||
#include <boost/test/unit_test.hpp>
|
||||
|
||||
BOOST_AUTO_TEST_SUITE(crypto_tests)
|
||||
@ -48,6 +53,11 @@ void TestSHA256(const std::string &in, const std::string &hexout) { TestVector(C
|
||||
void TestSHA512(const std::string &in, const std::string &hexout) { TestVector(CSHA512(), in, ParseHex(hexout));}
|
||||
void TestRIPEMD160(const std::string &in, const std::string &hexout) { TestVector(CRIPEMD160(), in, ParseHex(hexout));}
|
||||
|
||||
void TestHMACSHA256(const std::string &hexkey, const std::string &hexin, const std::string &hexout) {
|
||||
std::vector<unsigned char> key = ParseHex(hexkey);
|
||||
TestVector(CHMAC_SHA256(&key[0], key.size()), ParseHex(hexin), ParseHex(hexout));
|
||||
}
|
||||
|
||||
void TestHMACSHA512(const std::string &hexkey, const std::string &hexin, const std::string &hexout) {
|
||||
std::vector<unsigned char> key = ParseHex(hexkey);
|
||||
TestVector(CHMAC_SHA512(&key[0], key.size()), ParseHex(hexin), ParseHex(hexout));
|
||||
@ -158,6 +168,43 @@ BOOST_AUTO_TEST_CASE(sha512_testvectors) {
|
||||
"37de8c3ef5459d76a52cedc02dc499a3c9ed9dedbfb3281afd9653b8a112fafc");
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(hmac_sha256_testvectors) {
|
||||
// test cases 1, 2, 3, 4, 6 and 7 of RFC 4231
|
||||
TestHMACSHA256("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
|
||||
"4869205468657265",
|
||||
"b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7");
|
||||
TestHMACSHA256("4a656665",
|
||||
"7768617420646f2079612077616e7420666f72206e6f7468696e673f",
|
||||
"5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843");
|
||||
TestHMACSHA256("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
|
||||
"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
|
||||
"dddddddddddddddddddddddddddddddddddd",
|
||||
"773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe");
|
||||
TestHMACSHA256("0102030405060708090a0b0c0d0e0f10111213141516171819",
|
||||
"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
|
||||
"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
|
||||
"82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b");
|
||||
TestHMACSHA256("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaa",
|
||||
"54657374205573696e67204c6172676572205468616e20426c6f636b2d53697a"
|
||||
"65204b6579202d2048617368204b6579204669727374",
|
||||
"60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54");
|
||||
TestHMACSHA256("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
|
||||
"aaaaaa",
|
||||
"5468697320697320612074657374207573696e672061206c6172676572207468"
|
||||
"616e20626c6f636b2d73697a65206b657920616e642061206c61726765722074"
|
||||
"68616e20626c6f636b2d73697a6520646174612e20546865206b6579206e6565"
|
||||
"647320746f20626520686173686564206265666f7265206265696e6720757365"
|
||||
"642062792074686520484d414320616c676f726974686d2e",
|
||||
"9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2");
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(hmac_sha512_testvectors) {
|
||||
// test cases 1, 2, 3, 4, 6 and 7 of RFC 4231
|
||||
TestHMACSHA512("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
|
||||
@ -201,4 +248,38 @@ BOOST_AUTO_TEST_CASE(hmac_sha512_testvectors) {
|
||||
"b6022cac3c4982b10d5eeb55c3e4de15134676fb6de0446065c97440fa8c6a58");
|
||||
}
|
||||
|
||||
void TestRFC6979(const std::string& hexkey, const std::string& hexmsg, const std::vector<std::string>& hexout)
|
||||
{
|
||||
std::vector<unsigned char> key = ParseHex(hexkey);
|
||||
std::vector<unsigned char> msg = ParseHex(hexmsg);
|
||||
RFC6979_HMAC_SHA256 rng(&key[0], key.size(), &msg[0], msg.size());
|
||||
|
||||
for (unsigned int i = 0; i < hexout.size(); i++) {
|
||||
std::vector<unsigned char> out = ParseHex(hexout[i]);
|
||||
std::vector<unsigned char> gen;
|
||||
gen.resize(out.size());
|
||||
rng.Generate(&gen[0], gen.size());
|
||||
BOOST_CHECK(out == gen);
|
||||
}
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(rfc6979_hmac_sha256)
|
||||
{
|
||||
TestRFC6979(
|
||||
"0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f00",
|
||||
"4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a",
|
||||
boost::assign::list_of
|
||||
("4fe29525b2086809159acdf0506efb86b0ec932c7ba44256ab321e421e67e9fb")
|
||||
("2bf0fff1d3c378a22dc5de1d856522325c65b504491a0cbd01cb8f3aa67ffd4a")
|
||||
("f528b410cb541f77000d7afb6c5b53c5c471eab43e466d9ac5190c39c82fd82e"));
|
||||
|
||||
TestRFC6979(
|
||||
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
|
||||
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
|
||||
boost::assign::list_of
|
||||
("9c236c165b82ae0cd590659e100b6bab3036e7ba8b06749baf6981e16f1a2b95")
|
||||
("df471061625bc0ea14b682feee2c9c02f235da04204c1d62a1536c6e17aed7a9")
|
||||
("7597887cbd76321f32e30440679a22cf7f8d9d2eac390e581fea091ce202ba94"));
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_SUITE_END()
|
||||
|
||||
@ -8,6 +8,7 @@
|
||||
#include "script/script.h"
|
||||
#include "uint256.h"
|
||||
#include "util.h"
|
||||
#include "utilstrencodings.h"
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
@ -162,6 +163,28 @@ BOOST_AUTO_TEST_CASE(key_test1)
|
||||
BOOST_CHECK(rkey1C == pubkey1C);
|
||||
BOOST_CHECK(rkey2C == pubkey2C);
|
||||
}
|
||||
|
||||
// test deterministic signing
|
||||
|
||||
std::vector<unsigned char> detsig, detsigc;
|
||||
string strMsg = "Very deterministic message";
|
||||
uint256 hashMsg = Hash(strMsg.begin(), strMsg.end());
|
||||
BOOST_CHECK(key1.Sign(hashMsg, detsig));
|
||||
BOOST_CHECK(key1C.Sign(hashMsg, detsigc));
|
||||
BOOST_CHECK(detsig == detsigc);
|
||||
BOOST_CHECK(detsig == ParseHex("304402205dbbddda71772d95ce91cd2d14b592cfbc1dd0aabd6a394b6c2d377bbe59d31d022014ddda21494a4e221f0824f0b8b924c43fa43c0ad57dccdaa11f81a6bd4582f6"));
|
||||
BOOST_CHECK(key2.Sign(hashMsg, detsig));
|
||||
BOOST_CHECK(key2C.Sign(hashMsg, detsigc));
|
||||
BOOST_CHECK(detsig == detsigc);
|
||||
BOOST_CHECK(detsig == ParseHex("3044022052d8a32079c11e79db95af63bb9600c5b04f21a9ca33dc129c2bfa8ac9dc1cd5022061d8ae5e0f6c1a16bde3719c64c2fd70e404b6428ab9a69566962e8771b5944d"));
|
||||
BOOST_CHECK(key1.SignCompact(hashMsg, detsig));
|
||||
BOOST_CHECK(key1C.SignCompact(hashMsg, detsigc));
|
||||
BOOST_CHECK(detsig == ParseHex("1c5dbbddda71772d95ce91cd2d14b592cfbc1dd0aabd6a394b6c2d377bbe59d31d14ddda21494a4e221f0824f0b8b924c43fa43c0ad57dccdaa11f81a6bd4582f6"));
|
||||
BOOST_CHECK(detsigc == ParseHex("205dbbddda71772d95ce91cd2d14b592cfbc1dd0aabd6a394b6c2d377bbe59d31d14ddda21494a4e221f0824f0b8b924c43fa43c0ad57dccdaa11f81a6bd4582f6"));
|
||||
BOOST_CHECK(key2.SignCompact(hashMsg, detsig));
|
||||
BOOST_CHECK(key2C.SignCompact(hashMsg, detsigc));
|
||||
BOOST_CHECK(detsig == ParseHex("1c52d8a32079c11e79db95af63bb9600c5b04f21a9ca33dc129c2bfa8ac9dc1cd561d8ae5e0f6c1a16bde3719c64c2fd70e404b6428ab9a69566962e8771b5944d"));
|
||||
BOOST_CHECK(detsigc == ParseHex("2052d8a32079c11e79db95af63bb9600c5b04f21a9ca33dc129c2bfa8ac9dc1cd561d8ae5e0f6c1a16bde3719c64c2fd70e404b6428ab9a69566962e8771b5944d"));
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_SUITE_END()
|
||||
|
||||
@ -248,8 +248,9 @@ public:
|
||||
{
|
||||
uint256 hash = SignatureHash(scriptPubKey, spendTx, 0, nHashType);
|
||||
std::vector<unsigned char> vchSig, r, s;
|
||||
uint32_t iter = 0;
|
||||
do {
|
||||
key.Sign(hash, vchSig);
|
||||
key.Sign(hash, vchSig, iter++);
|
||||
if ((lenS == 33) != (vchSig[5 + vchSig[3]] == 33)) {
|
||||
NegateSignatureS(vchSig);
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user