122 lines
4.4 KiB
Plaintext
122 lines
4.4 KiB
Plaintext
#include <stdio.h>
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#include <cuda_runtime.h>
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#include <curand_kernel.h>
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#include <sha512.cuh>
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#include <ed25519.cuh>
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#include <edsign.cuh>
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#include <string.cuh>
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#include <keymanip.cuh>
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__device__ unsigned d_high = 0x10;
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__device__ int parameters(const char* arg) noexcept {
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if ((cstring_find(arg, "--altitude") == 0 && cstring_length(arg) == 10) || (cstring_find(arg, "-a") == 0 && cstring_length(arg) == 2)) {
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return 777;
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}
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int space_index = cstring_find(arg, " ");
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if (space_index == -1) return 0;
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const int substr_start = space_index + 1;
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char sub_arg[256];
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extract_substring(arg, substr_start, sub_arg, 256);
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if (cstring_find(arg, "--altitude") != -1 || cstring_find(arg, "-a") != -1) {
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unsigned tmp_high;
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if (cstring_to_ull(sub_arg, &tmp_high) != 0)
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return 1;
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d_high = tmp_high;
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}
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return 0;
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}
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__global__ void args(char** argv, int argc, int* result) {
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int err = 0;
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for (int x = 1; x < argc; x++) {
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int res = parameters(argv[x]);
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if (res == 777) {
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if (++x >= argc) {
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err = 776;
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break;
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}
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char combined[512];
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concat(argv[x - 1], argv[x], combined, 512);
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if (parameters(combined) != 0) {
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err = res;
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break;
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}
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}
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}
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result[0] = err;
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}
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__device__ __forceinline__ unsigned char zeroCounter(unsigned int x) noexcept {
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return x ? static_cast<unsigned char>(__clz(x)) : 32;
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}
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__device__ __forceinline__ unsigned char getZeros(const unsigned char* v) noexcept {
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unsigned char leadZeros = 0;
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#pragma unroll
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for (int i = 0; i < 32; i += 4) {
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unsigned word = (static_cast<unsigned>(v[i]) << 24) | (static_cast<unsigned>(v[i + 1]) << 16) | (static_cast<unsigned>(v[i + 2]) << 8) | (static_cast<unsigned>(v[i + 3]));
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if (word == 0)
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leadZeros += 32;
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else {
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leadZeros += zeroCounter(word);
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break;
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}
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}
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return leadZeros;
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}
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__global__ void initRand(curandState* rs) {
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int id = blockIdx.x * blockDim.x + threadIdx.x;
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curand_init(clock64() + id * 7919ULL, id, 0, &rs[id]);
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#pragma unroll 10
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for (int i = 0; i < 10; i++) {
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curand(&rs[id]);
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}
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}
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__device__ __forceinline__ void rmbytes(unsigned char* buf, curandState* state) {
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#pragma unroll 32
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for (unsigned long i = 0; i < 32; i++) {
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buf[i] = curand(state) & 0xFF;
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}
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}
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__global__ void KeyGen(curandState* randStates) {
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curandState localState = randStates[blockIdx.x * blockDim.x + threadIdx.x];
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while (true) {
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KeysBox32 keys;
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Key32 seed;
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rmbytes(seed, &localState);
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ed25519_keygen(keys.PrivateKey, keys.PublicKey, seed);
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if (unsigned zeros = getZeros(keys.PublicKey); zeros > atomicMax((unsigned*)&d_high, zeros)) {
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Addr16 raw;
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Key32 inv;
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invertKey(keys.PublicKey, inv);
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getRawAddress(zeros, inv, raw);
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printf("\nIPv6:\t%s\nPK:\t%s\nSK:\t%s\n", getAddr(raw).data, ktos(keys.PublicKey).data, ktos(keys.PrivateKey).data);
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}
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}
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}
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int main(int argc, char* argv[]) {
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const int thPerBlock = 128;
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int* d_result, mBpSM, h_high;
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char** d_argv;
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cudaDeviceProp prop;
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curandState* rst;
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cudaMalloc((void**)&d_result, sizeof(int));
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cudaMalloc((void**)&d_argv, argc * sizeof(char*));
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for (int i = 0; i < argc; i++) {
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unsigned long len = strlen(argv[i]) + 1;
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char* d_str;
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cudaMalloc((void**)&d_str, len);
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cudaMemcpy(d_str, argv[i], len, cudaMemcpyHostToDevice);
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cudaMemcpy(&d_argv[i], &d_str, sizeof(char*), cudaMemcpyHostToDevice);
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}
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args<<<1, 1>>>(d_argv, argc, d_result);
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cudaDeviceSynchronize();
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cudaMemcpyFromSymbol(&h_high, d_high, sizeof(unsigned));
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cudaGetDeviceProperties(&prop, 0);
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cudaOccupancyMaxActiveBlocksPerMultiprocessor(&mBpSM, KeyGen, thPerBlock, 0);
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const int totalTh = mBpSM * prop.multiProcessorCount * thPerBlock;
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printf("High addrs: 2%02x+\nSMs: %d\nMaxBlocksPerSM: %d\nTotalTh: %d\nBlocksThreads: %d:%d\n", h_high, prop.multiProcessorCount, mBpSM, totalTh, totalTh / thPerBlock, thPerBlock);
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cudaMalloc(&rst, totalTh * sizeof(curandState));
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initRand<<<totalTh / thPerBlock, thPerBlock>>>(rst);
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cudaDeviceSynchronize();
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KeyGen<<<totalTh / thPerBlock, thPerBlock>>>(rst);
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cudaDeviceSynchronize();
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cudaFree(rst);
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return 0;
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} |