v5.9.0

Fixed invalid AstroBWT hashes after algo switching

CHANGELOG.md

@@ -1,3 +1,9 @@
+# v5.9.0
+- [#1578](https://github.com/xmrig/xmrig/pull/1578) Added new RandomKEVA algorithm for upcoming Kevacoin fork, as `"algo": "rx/keva"` or `"coin": "keva"`.
+- [#1584](https://github.com/xmrig/xmrig/pull/1584) Fixed invalid AstroBWT hashes after algorithm switching.
+- [#1585](https://github.com/xmrig/xmrig/issues/1585) Fixed build without HTTP support.
+- Added command line option `--astrobwt-max-size`.
+
 # v5.8.2
 - [#1580](https://github.com/xmrig/xmrig/pull/1580) AstroBWT algorithm 20-50% speedup.
   - Added new option `astrobwt-max-size`.

README.md

@@ -1,7 +1,5 @@
 # XMRig
 
-**:warning: [Monero changed PoW algorithm to RandomX on November 30.](https://github.com/xmrig/xmrig/issues/1204)**
-
 [![Github All Releases](https://img.shields.io/github/downloads/xmrig/xmrig/total.svg)](https://github.com/xmrig/xmrig/releases)
 [![GitHub release](https://img.shields.io/github/release/xmrig/xmrig/all.svg)](https://github.com/xmrig/xmrig/releases)
 [![GitHub Release Date](https://img.shields.io/github/release-date-pre/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/releases)
@@ -9,7 +7,7 @@
 [![GitHub stars](https://img.shields.io/github/stars/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/network)
 
-XMRig High performance, open source, cross platform RandomX, CryptoNight and Argon2 CPU/GPU miner, with official support for Windows.
+XMRig High performance, open source, cross platform RandomX, CryptoNight, AstroBWT and Argon2 CPU/GPU miner, with official support for Windows.
 
 ## Mining backends
 - **CPU** (x64/x86/ARM)
@@ -69,6 +67,7 @@ CPU backend:
       --randomx-1gb-pages       use 1GB hugepages for dataset (Linux only)
       --randomx-wrmsr=N         write custom value (0-15) to Intel MSR register 0x1a4 or disable MSR mod (-1)
       --randomx-no-rdmsr        disable reverting initial MSR values on exit
+      --astrobwt-max-size=N     skip hashes with large stage 2 size, default: 550, min: 400, max: 1200
 
 API:
       --api-worker-id=ID        custom worker-id for API

scripts/generate_cl.js

@@ -60,6 +60,7 @@ function rx()
         'randomx_constants_wow.h',
         'randomx_constants_loki.h',
         'randomx_constants_arqma.h',
+        'randomx_constants_keva.h',
         'aes.cl',
         'blake2b.cl',
         'randomx_vm.cl',

src/App.cpp

@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -61,7 +61,7 @@ xmrig::App::~App()
 int xmrig::App::exec()
 {
     if (!m_controller->isReady()) {
-        LOG_EMERG("no valid configuration found.");
+        LOG_EMERG("no valid configuration found, try https://xmrig.com/wizard");
 
         return 2;
     }

src/App.h

@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by

src/backend/cpu/Cpu.cpp

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -91,8 +91,6 @@ rapidjson::Value xmrig::Cpu::toJSON(rapidjson::Document &doc)
 
 void xmrig::Cpu::release()
 {
-    assert(cpuInfo != nullptr);
-
     delete cpuInfo;
     cpuInfo = nullptr;
 }

src/backend/cpu/Cpu.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by

src/backend/cpu/CpuConfig.h

@@ -58,8 +58,8 @@ public:
     inline bool isYield() const                         { return m_yield; }
     inline const Assembly &assembly() const             { return m_assembly; }
     inline const String &argon2Impl() const             { return m_argon2Impl; }
-    inline int astrobwtMaxSize() const                  { return m_astrobwtMaxSize; }
     inline const Threads<CpuThreads> &threads() const   { return m_threads; }
+    inline int astrobwtMaxSize() const                  { return m_astrobwtMaxSize; }
     inline int priority() const                         { return m_priority; }
     inline uint32_t limit() const                       { return m_limit; }
 
@@ -70,18 +70,18 @@ private:
 
     inline void setPriority(int priority)   { m_priority = (priority >= -1 && priority <= 5) ? priority : -1; }
 
-    AesMode m_aes        = AES_AUTO;
+    AesMode m_aes           = AES_AUTO;
     Assembly m_assembly;
-    bool m_enabled       = true;
-    bool m_hugePages     = true;
-    bool m_shouldSave    = false;
-    bool m_yield         = true;
-    int m_memoryPool     = 0;
-    int m_priority       = -1;
+    bool m_enabled          = true;
+    bool m_hugePages        = true;
+    bool m_shouldSave       = false;
+    bool m_yield            = true;
+    int m_astrobwtMaxSize   = 550;
+    int m_memoryPool        = 0;
+    int m_priority          = -1;
     String m_argon2Impl;
-    int m_astrobwtMaxSize = 550;
     Threads<CpuThreads> m_threads;
-    uint32_t m_limit     = 100;
+    uint32_t m_limit        = 100;
 };
 
 

src/backend/cpu/CpuConfig_gen.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -109,11 +109,11 @@ template<>
 size_t inline generate<Algorithm::RANDOM_X>(Threads<CpuThreads> &threads, uint32_t limit)
 {
     size_t count = 0;
-
-    auto wow = Cpu::info()->threads(Algorithm::RX_WOW, limit);
+    auto cpuInfo = Cpu::info();
+    auto wow     = cpuInfo->threads(Algorithm::RX_WOW, limit);
 
     if (!threads.isExist(Algorithm::RX_ARQ)) {
-        auto arq = Cpu::info()->threads(Algorithm::RX_ARQ, limit);
+        auto arq = cpuInfo->threads(Algorithm::RX_ARQ, limit);
         if (arq == wow) {
             threads.setAlias(Algorithm::RX_ARQ, "rx/wow");
             ++count;
@@ -123,6 +123,17 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CpuThreads> &threads, uint32
         }
     }
 
+    if (!threads.isExist(Algorithm::RX_KEVA)) {
+        auto keva = cpuInfo->threads(Algorithm::RX_KEVA, limit);
+        if (keva == wow) {
+            threads.setAlias(Algorithm::RX_KEVA, "rx/wow");
+            ++count;
+        }
+        else {
+            count += threads.move("rx/keva", std::move(keva));
+        }
+    }
+
     if (!threads.isExist(Algorithm::RX_WOW)) {
         count += threads.move("rx/wow", std::move(wow));
     }

src/backend/cuda/CudaConfig_gen.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -115,6 +115,7 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CudaThreads> &threads, const
     auto rx  = CudaThreads(devices, Algorithm::RX_0);
     auto wow = CudaThreads(devices, Algorithm::RX_WOW);
     auto arq = CudaThreads(devices, Algorithm::RX_ARQ);
+    auto kva = CudaThreads(devices, Algorithm::RX_KEVA);
 
     if (!threads.isExist(Algorithm::RX_WOW) && wow != rx) {
         count += threads.move("rx/wow", std::move(wow));
@@ -124,6 +125,10 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CudaThreads> &threads, const
         count += threads.move("rx/arq", std::move(arq));
     }
 
+    if (!threads.isExist(Algorithm::RX_KEVA) && kva != rx) {
+        count += threads.move("rx/keva", std::move(kva));
+    }
+
     count += threads.move("rx", std::move(rx));
 
     return count;

src/backend/opencl/cl/cn/algorithm.cl

@@ -22,9 +22,10 @@
 #define ALGO_RX_LOKI        21
 #define ALGO_RX_ARQMA       22
 #define ALGO_RX_SFX         23
-#define ALGO_AR2_CHUKWA     24
-#define ALGO_AR2_WRKZ       25
-#define ALGO_ASTROBWT_DERO  26
+#define ALGO_RX_KEVA        24
+#define ALGO_AR2_CHUKWA     25
+#define ALGO_AR2_WRKZ       26
+#define ALGO_ASTROBWT_DERO  27
 
 #define FAMILY_UNKNOWN      0
 #define FAMILY_CN           1

src/backend/opencl/cl/rx/randomx.cl

@@ -8,6 +8,8 @@
 #include "randomx_constants_loki.h"
 #elif (ALGO == ALGO_RX_ARQMA)
 #include "randomx_constants_arqma.h"
+#elif (ALGO == ALGO_RX_KEVA)
+#include "randomx_constants_keva.h"
 #endif
 
 #include "aes.cl"

src/backend/opencl/cl/rx/randomx_constants_keva.h

@@ -0,0 +1,96 @@
+/*
+Copyright (c) 2019 SChernykh
+
+This file is part of RandomX OpenCL.
+
+RandomX OpenCL is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+RandomX OpenCL is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with RandomX OpenCL. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+//Dataset base size in bytes. Must be a power of 2.
+#define RANDOMX_DATASET_BASE_SIZE  2147483648
+
+//Dataset extra size. Must be divisible by 64.
+#define RANDOMX_DATASET_EXTRA_SIZE 33554368
+
+//Scratchpad L3 size in bytes. Must be a power of 2.
+#define RANDOMX_SCRATCHPAD_L3      1048576
+
+//Scratchpad L2 size in bytes. Must be a power of two and less than or equal to RANDOMX_SCRATCHPAD_L3.
+#define RANDOMX_SCRATCHPAD_L2      131072
+
+//Scratchpad L1 size in bytes. Must be a power of two (minimum 64) and less than or equal to RANDOMX_SCRATCHPAD_L2.
+#define RANDOMX_SCRATCHPAD_L1      16384
+
+//Jump condition mask size in bits.
+#define RANDOMX_JUMP_BITS          8
+
+//Jump condition mask offset in bits. The sum of RANDOMX_JUMP_BITS and RANDOMX_JUMP_OFFSET must not exceed 16.
+#define RANDOMX_JUMP_OFFSET        8
+
+//Integer instructions
+#define RANDOMX_FREQ_IADD_RS       16
+#define RANDOMX_FREQ_IADD_M         7
+#define RANDOMX_FREQ_ISUB_R        16
+#define RANDOMX_FREQ_ISUB_M         7
+#define RANDOMX_FREQ_IMUL_R        16
+#define RANDOMX_FREQ_IMUL_M         4
+#define RANDOMX_FREQ_IMULH_R        4
+#define RANDOMX_FREQ_IMULH_M        1
+#define RANDOMX_FREQ_ISMULH_R       4
+#define RANDOMX_FREQ_ISMULH_M       1
+#define RANDOMX_FREQ_IMUL_RCP       8
+#define RANDOMX_FREQ_INEG_R         2
+#define RANDOMX_FREQ_IXOR_R        15
+#define RANDOMX_FREQ_IXOR_M         5
+#define RANDOMX_FREQ_IROR_R         8
+#define RANDOMX_FREQ_IROL_R         2
+#define RANDOMX_FREQ_ISWAP_R        4
+
+//Floating point instructions
+#define RANDOMX_FREQ_FSWAP_R        4
+#define RANDOMX_FREQ_FADD_R        16
+#define RANDOMX_FREQ_FADD_M         5
+#define RANDOMX_FREQ_FSUB_R        16
+#define RANDOMX_FREQ_FSUB_M         5
+#define RANDOMX_FREQ_FSCAL_R        6
+#define RANDOMX_FREQ_FMUL_R        32
+#define RANDOMX_FREQ_FDIV_M         4
+#define RANDOMX_FREQ_FSQRT_R        6
+
+//Control instructions
+#define RANDOMX_FREQ_CBRANCH       25
+#define RANDOMX_FREQ_CFROUND        1
+
+//Store instruction
+#define RANDOMX_FREQ_ISTORE        16
+
+//No-op instruction
+#define RANDOMX_FREQ_NOP            0
+
+#define RANDOMX_DATASET_ITEM_SIZE 64
+
+#define RANDOMX_PROGRAM_SIZE 256
+
+#define HASH_SIZE 64
+#define ENTROPY_SIZE (128 + RANDOMX_PROGRAM_SIZE * 8)
+#define REGISTERS_SIZE 256
+#define IMM_BUF_SIZE (RANDOMX_PROGRAM_SIZE * 4 - REGISTERS_SIZE)
+#define IMM_INDEX_COUNT ((IMM_BUF_SIZE / 4) - 2)
+#define VM_STATE_SIZE (REGISTERS_SIZE + IMM_BUF_SIZE + RANDOMX_PROGRAM_SIZE * 4)
+#define ROUNDING_MODE (RANDOMX_FREQ_CFROUND ? -1 : 0)
+
+// Scratchpad L1/L2/L3 bits
+#define LOC_L1 (32 - 14)
+#define LOC_L2 (32 - 17)
+#define LOC_L3 (32 - 20)

src/base/base.cmake

@@ -34,7 +34,6 @@ set(HEADERS_BASE
     src/base/kernel/Signals.h
     src/base/net/dns/Dns.h
     src/base/net/dns/DnsRecord.h
-    src/base/net/http/Fetch.h
     src/base/net/http/Http.h
     src/base/net/http/HttpListener.h
     src/base/net/stratum/BaseClient.h
@@ -81,10 +80,7 @@ set(SOURCES_BASE
     src/base/kernel/Signals.cpp
     src/base/net/dns/Dns.cpp
     src/base/net/dns/DnsRecord.cpp
-    src/base/net/http/Fetch.cpp
     src/base/net/http/Http.cpp
-    src/base/net/http/HttpData.cpp
-    src/base/net/http/HttpListener.cpp
     src/base/net/stratum/BaseClient.cpp
     src/base/net/stratum/Client.cpp
     src/base/net/stratum/Job.cpp
@@ -148,6 +144,7 @@ if (WITH_HTTP)
         src/base/kernel/interfaces/IHttpListener.h
         src/base/kernel/interfaces/IJsonReader.h
         src/base/kernel/interfaces/ITcpServerListener.h
+        src/base/net/http/Fetch.h
         src/base/net/http/HttpApiResponse.h
         src/base/net/http/HttpClient.h
         src/base/net/http/HttpContext.h
@@ -165,9 +162,12 @@ if (WITH_HTTP)
         src/base/api/Httpd.cpp
         src/base/api/requests/ApiRequest.cpp
         src/base/api/requests/HttpApiRequest.cpp
+        src/base/net/http/Fetch.cpp
         src/base/net/http/HttpApiResponse.cpp
         src/base/net/http/HttpClient.cpp
         src/base/net/http/HttpContext.cpp
+        src/base/net/http/HttpData.cpp
+        src/base/net/http/HttpListener.cpp
         src/base/net/http/HttpResponse.cpp
         src/base/net/http/HttpServer.cpp
         src/base/net/stratum/DaemonClient.cpp

src/base/io/log/FileLogWriter.cpp

@@ -25,6 +25,24 @@
 #include <uv.h>
 
 
+namespace xmrig {
+
+
+static void fsWriteCallback(uv_fs_t *req)
+{
+    delete [] static_cast<char *>(req->data);
+
+    uv_fs_req_cleanup(req);
+    delete req;
+}
+
+
+static const char *kNewLine = "\n";
+
+
+} // namespace xmrig
+
+
 bool xmrig::FileLogWriter::open(const char *fileName)
 {
     assert(fileName != nullptr);
@@ -52,12 +70,25 @@ bool xmrig::FileLogWriter::write(const char *data, size_t size)
     auto req = new uv_fs_t;
     req->data = buf.base;
 
-    uv_fs_write(uv_default_loop(), req, m_file, &buf, 1, -1, [](uv_fs_t *req) {
-        delete [] static_cast<char *>(req->data);
-
-        uv_fs_req_cleanup(req);
-        delete req;
-    });
+    uv_fs_write(uv_default_loop(), req, m_file, &buf, 1, -1, fsWriteCallback);
+
+    return true;
+}
+
+
+bool xmrig::FileLogWriter::writeLine(const char *data, size_t size)
+{
+    uv_buf_t buf[2] = {
+        uv_buf_init(new char[size], size),
+        uv_buf_init(const_cast<char *>(kNewLine), 1)
+    };
+
+    memcpy(buf[0].base, data, size);
+
+    auto req = new uv_fs_t;
+    req->data = buf[0].base;
+
+    uv_fs_write(uv_default_loop(), req, m_file, buf, 2, -1, fsWriteCallback);
 
     return true;
 }

src/base/io/log/FileLogWriter.h

@@ -36,6 +36,7 @@ public:
 
     bool open(const char *fileName);
     bool write(const char *data, size_t size);
+    bool writeLine(const char *data, size_t size);
 
 private:
     int m_file = -1;

src/base/kernel/interfaces/IConfig.h

@@ -97,6 +97,7 @@ public:
         CPUMaxThreadsKey     = 1026,
         MemoryPoolKey        = 1027,
         YieldKey             = 1030,
+        AstroBWTMaxSizeKey   = 1034,
 
         // xmrig amd
         OclPlatformKey       = 1400,

src/core/config/ConfigTransform.cpp

@@ -156,6 +156,11 @@ void xmrig::ConfigTransform::transform(rapidjson::Document &doc, int key, const
         return set(doc, kCpu, "asm", arg);
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    case IConfig::AstroBWTMaxSizeKey: /* --astrobwt-max-size */
+        return set(doc, kCpu, "astrobwt-max-size", static_cast<uint64_t>(strtol(arg, nullptr, 10)));
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     case IConfig::RandomXInitKey: /* --randomx-init */
         return set(doc, kRandomX, "init", static_cast<int64_t>(strtol(arg, nullptr, 10)));

src/core/config/Config_platform.h

@@ -107,6 +107,9 @@ static const option options[] = {
     { "randomx-no-rdmsr",      0, nullptr, IConfig::RandomXRdmsrKey       },
     { "no-rdmsr",              0, nullptr, IConfig::RandomXRdmsrKey       },
 #   endif
+    #ifdef XMRIG_ALGO_ASTROBWT
+    { "astrobwt-max-size",     1, nullptr, IConfig::AstroBWTMaxSizeKey    },
+    #endif
 #   ifdef XMRIG_FEATURE_OPENCL
     { "opencl",                0, nullptr, IConfig::OclKey                },
     { "opencl-devices",        1, nullptr, IConfig::OclDevicesKey         },

src/core/config/usage.h

@@ -94,6 +94,10 @@ static inline const std::string &usage()
     u += "      --randomx-no-rdmsr        disable reverting initial MSR values on exit\n";
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    u += "      --astrobwt-max-size=N     skip hashes with large stage 2 size, default: 550, min: 400, max: 1200\n";
+#   endif
+
 #   ifdef XMRIG_FEATURE_HTTP
     u += "\nAPI:\n";
     u += "      --api-worker-id=ID        custom worker-id for API\n";

src/crypto/astrobwt/AstroBWT.cpp

@@ -65,6 +65,7 @@ static void Salsa20_XORKeyStream(const void* key, void* output, size_t size)
 	ECRYPT_keysetup(&ctx, static_cast<const uint8_t*>(key), 256, 64);
 	ECRYPT_ivsetup(&ctx, iv);
 	ECRYPT_keystream_bytes(&ctx, static_cast<uint8_t*>(output), size);
+	memset(static_cast<uint8_t*>(output) - 16, 0, 16);
 	memset(static_cast<uint8_t*>(output) + size, 0, 16);
 }
 #else
@@ -75,6 +76,7 @@ static void Salsa20_XORKeyStream(const void* key, void* output, size_t size)
 	const uint64_t iv = 0;
 	ZeroTier::Salsa20 s(key, &iv);
 	s.XORKeyStream(output, size);
+	memset(static_cast<uint8_t*>(output) - 16, 0, 16);
 	memset(static_cast<uint8_t*>(output) + size, 0, 16);
 }
 #endif

src/crypto/common/Algorithm.cpp

@@ -116,6 +116,8 @@ static AlgoName const algorithm_names[] = {
     { "RandomARQ",                 nullptr,            Algorithm::RX_ARQ          },
     { "randomx/sfx",               "rx/sfx",           Algorithm::RX_SFX          },
     { "RandomSFX",                 nullptr,            Algorithm::RX_SFX          },
+    { "randomx/keva",              "rx/keva",          Algorithm::RX_KEVA         },
+    { "RandomKEVA",                nullptr,            Algorithm::RX_KEVA         },
 #   endif
 #   ifdef XMRIG_ALGO_ARGON2
     { "argon2/chukwa",             nullptr,            Algorithm::AR2_CHUKWA      },
@@ -150,6 +152,7 @@ size_t xmrig::Algorithm::l2() const
         return 0x40000;
 
     case RX_WOW:
+    case RX_KEVA:
         return 0x20000;
 
     case RX_ARQ:
@@ -186,6 +189,7 @@ size_t xmrig::Algorithm::l3() const
             return oneMiB * 2;
 
         case RX_WOW:
+        case RX_KEVA:
             return oneMiB;
 
         case RX_ARQ:
@@ -302,6 +306,7 @@ xmrig::Algorithm::Family xmrig::Algorithm::family(Id id)
     case RX_LOKI:
     case RX_ARQ:
     case RX_SFX:
+    case RX_KEVA:
         return RANDOM_X;
 #   endif
 

src/crypto/common/Algorithm.h

@@ -69,6 +69,7 @@ public:
         RX_LOKI,       // "rx/loki"          RandomXL (Loki).
         RX_ARQ,        // "rx/arq"           RandomARQ (Arqma).
         RX_SFX,        // "rx/sfx"           RandomSFX (Safex Cash).
+        RX_KEVA,       // "rx/keva"          RandomKEVA (Keva).
         AR2_CHUKWA,    // "argon2/chukwa"    Argon2id (Chukwa).
         AR2_WRKZ,      // "argon2/wrkz"      Argon2id (WRKZ)
         ASTROBWT_DERO, // "astrobwt"         AstroBWT (Dero)

src/crypto/common/Coin.cpp

@@ -52,6 +52,7 @@ static CoinName const coin_names[] = {
     { "arqma",      Coin::ARQMA  },
     { "arq",        Coin::ARQMA  },
     { "dero",       Coin::DERO   },
+    { "keva",       Coin::KEVA   }
 };
 
 
@@ -71,6 +72,9 @@ xmrig::Algorithm::Id xmrig::Coin::algorithm(uint8_t blobVersion) const
     case DERO:
         return (blobVersion >= 4) ? Algorithm::ASTROBWT_DERO : Algorithm::CN_0;
 
+    case KEVA:
+        return (blobVersion >= 11) ? Algorithm::RX_KEVA : Algorithm::CN_R;
+
     case INVALID:
         break;
     }

src/crypto/common/Coin.h

@@ -41,7 +41,8 @@ public:
         INVALID = -1,
         MONERO,
         ARQMA,
-        DERO
+        DERO,
+        KEVA
     };
 
 

src/crypto/randomx/randomx.cpp

@@ -99,6 +99,13 @@ RandomX_ConfigurationSafex::RandomX_ConfigurationSafex()
 	ArgonSalt = "RandomSFX\x01";
 }
 
+RandomX_ConfigurationKeva::RandomX_ConfigurationKeva()
+{
+	ArgonSalt = "RandomKV\x01";
+	ScratchpadL2_Size = 131072;
+	ScratchpadL3_Size = 1048576;
+}
+
 RandomX_ConfigurationBase::RandomX_ConfigurationBase()
 	: ArgonMemory(262144)
 	, ArgonIterations(3)
@@ -300,6 +307,7 @@ RandomX_ConfigurationWownero RandomX_WowneroConfig;
 RandomX_ConfigurationLoki RandomX_LokiConfig;
 RandomX_ConfigurationArqma RandomX_ArqmaConfig;
 RandomX_ConfigurationSafex RandomX_SafexConfig;
+RandomX_ConfigurationKeva RandomX_KevaConfig;
 
 alignas(64) RandomX_ConfigurationBase RandomX_CurrentConfig;
 

src/crypto/randomx/randomx.h

@@ -183,12 +183,14 @@ struct RandomX_ConfigurationWownero : public RandomX_ConfigurationBase { RandomX
 struct RandomX_ConfigurationLoki : public RandomX_ConfigurationBase { RandomX_ConfigurationLoki(); };
 struct RandomX_ConfigurationArqma : public RandomX_ConfigurationBase { RandomX_ConfigurationArqma(); };
 struct RandomX_ConfigurationSafex : public RandomX_ConfigurationBase { RandomX_ConfigurationSafex(); };
+struct RandomX_ConfigurationKeva : public RandomX_ConfigurationBase { RandomX_ConfigurationKeva(); };
 
 extern RandomX_ConfigurationMonero RandomX_MoneroConfig;
 extern RandomX_ConfigurationWownero RandomX_WowneroConfig;
 extern RandomX_ConfigurationLoki RandomX_LokiConfig;
 extern RandomX_ConfigurationArqma RandomX_ArqmaConfig;
 extern RandomX_ConfigurationSafex RandomX_SafexConfig;
+extern RandomX_ConfigurationKeva RandomX_KevaConfig;
 
 extern RandomX_ConfigurationBase RandomX_CurrentConfig;
 

src/crypto/rx/RxAlgo.cpp

@@ -52,6 +52,9 @@ const RandomX_ConfigurationBase *xmrig::RxAlgo::base(Algorithm::Id algorithm)
     case Algorithm::RX_SFX:
         return &RandomX_SafexConfig;
 
+    case Algorithm::RX_KEVA:
+        return &RandomX_KevaConfig;
+
     default:
         break;
     }

src/version.h

@@ -28,15 +28,15 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "5.8.2"
+#define APP_VERSION   "5.9.0"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
 #define APP_COPYRIGHT "Copyright (C) 2016-2020 xmrig.com"
 #define APP_KIND      "miner"
 
 #define APP_VER_MAJOR  5
-#define APP_VER_MINOR  8
-#define APP_VER_PATCH  2
+#define APP_VER_MINOR  9
+#define APP_VER_PATCH  0
 
 #ifdef _MSC_VER
 #   if (_MSC_VER >= 1920)