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package main | |
import ( | |
"fmt" | |
"github.com/ethereum/go-ethereum/rlp" | |
) | |
type Envelope struct { | |
A uint |
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0x023a49052089693f23d92fbd0efc7d0fceedf72b |
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const crypto = require('crypto'); | |
alice = crypto.createECDH('secp256k1') | |
alice.setPrivateKey('a3a8441a4b5040b438223eb3b273b7c8d3d219f418df2ab9da03c7350f5601a9', 'hex') | |
bob = Buffer.from([4, 202, 191, 42, 27, 135, 133, 122, 201, 194, 207, 107, 136, 190, 242, 52, 229, 224, 20, 254, 233, 138, 194, 101, 9, 202, 37, 122, 237, 103, 143, 62, 28, 204, 159, 213, 185, 168, 60, 253, 145, 112, 153, 7, 2, 154, 113, 137, 71, 231, 53, 146, 209, 203, 219, 219, 142, 22, 115, 192, 199, 3, 24, 217, 152, 144, 176, 254, 186, 178, 137, 31, 37, 168, 176, 34, 18, 252, 177, 60, 231, 185, 53, 7, 76, 133, 215, 149, 78, 204, 137, 113, 171, 193, 181, 232, 224, 70, 214, 141, 213, 188, 22, 223, 49, 250, 199, 181, 200, 49, 115, 26, 26, 109, 174, 78, 124, 88]) | |
alice.computeSecret(bob.slice(0, 65)) |
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const crypto = require('crypto'); | |
alice = crypto.createECDH('secp256k1') | |
alice.setPrivateKey('ce9873239e8c1126c1bb92086ab22e3f7c519afd530315f9b5ef92323bbddee3', 'hex') | |
bob = Buffer.from([4, 202, 191, 42, 27, 135, 133, 122, 201, 194, 207, 107, 136, 190, 242, 52, 229, 224, 20, 254, 233, 138, 194, 101, 9, 202, 37, 122, 237, 103, 143, 62, 28, 204, 159, 213, 185, 168, 60, 253, 145, 112, 153, 7, 2, 154, 113, 137, 71, 231, 53, 146, 209, 203, 219, 219, 142, 22, 115, 192, 199, 3, 24, 217, 152, 144, 176, 254, 186, 178, 137, 31, 37, 168, 176, 34, 18, 252, 177, 60, 231, 185, 53, 7, 76, 133, 215, 149, 78, 204, 137, 113, 171, 193, 181, 232, 224, 70, 214, 141, 213, 188, 22, 223, 49, 250, 199, 181, 200, 49, 115, 26, 26, 109, 174, 78, 124, 88]) | |
alice.computeSecret(bob.slice(0, 65)) |
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package main | |
import ( | |
"crypto/elliptic" | |
"crypto/rand" | |
"fmt" | |
"github.com/ethereum/go-ethereum/common/hexutil" | |
"github.com/ethereum/go-ethereum/crypto" | |
"github.com/ethereum/go-ethereum/crypto/ecies" |
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package main | |
import ( | |
"bytes" | |
"crypto/rand" | |
"fmt" | |
"github.com/ethereum/go-ethereum/crypto/sha3" | |
) |
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pragma solidity ^0.4.21; | |
contract TestHash { | |
bytes32 public result; | |
constructor() public {} | |
function generate(bytes input) public { | |
result = keccak256(input); |
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package main | |
import ( | |
"bytes" | |
"crypto/rand" | |
"math/big" | |
"strings" | |
"github.com/ethereum/go-ethereum/accounts/abi" | |
"github.com/ethereum/go-ethereum/common" |
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package main | |
import ( | |
"bytes" | |
"crypto/ecdsa" | |
"fmt" | |
"math/rand" | |
"net" | |
"time" |
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2069 sudo sysctl -w net.ipv4.neigh.default.gc_thresh1=1024 | |
2071 sudo sysctl -w net.ipv4.neigh.default.gc_thresh2=4096 | |
2072 sudo sysctl -w net.ipv4.neigh.default.gc_thresh3=8192 |
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