V4 keystore single
本例演示如何加密和解密 keystore V4 single。
从 @kaiachain/ethers-ext/v5 软件包中导入钱包类。
定义加密keystore 版本 4
指定密钥存储的当前密码和新密码。
使用当前密码加载密钥库
解密后,您可以访问公钥和私钥。
您可以使用解密密钥和新密码生成新的密钥存储。 请注意,新的加密密钥将是 keystore v3。
检查新的密钥库 public 和 private 密钥,它将与原始密钥库不同,因为密钥库 v3 ** 不支持 klaytn 账户系统。
keystoreV4-single.js
const { Wallet } = require("@kaiachain/ethers-ext/v5");// Klaytn V4 with one key. kcn account new --lightkdfconst encryptedKey = `{ "address":"ec5eaa07b4d3cbafe7bf437a1ea9a898209f617c", "keyring":[ [ { "cipher":"aes-128-ctr", "ciphertext":"0a5aa3749b9e83c2a4238445aeb66f59355c0363a54c163e34e454f76e061e47", "cipherparams":{"iv":"2a0b2e02a61e0f721bd800ea6e23a588"}, "kdf":"scrypt", "kdfparams":{"dklen":32,"n":4096,"p":6,"r":8,"salt":"538ead57745bcd946b05fe294de08256628d9a0a393fd29ced933ba5fc045b07"}, "mac":"30b5488bc97165bc7ecac8ff8dfec65a75a8ad206450aecff0ac2dfea6f79b08" } ] ], "id":"362c0766-f5e3-4b4d-af22-7e89d5fb613a", "version":4}`;const password = "password";const newPassword = "newPassword";async function main() { const account = Wallet.fromEncryptedJsonSync(encryptedKey, password); console.log("decrypted (address, privateKey)"); console.log(account.klaytnAddr, ", ", account.privateKey); const v3encryptedKey = await account.encrypt(newPassword); const newAccount = Wallet.fromEncryptedJsonSync(v3encryptedKey, newPassword); console.log("\ndecrypted (address, privateKey) with new password"); console.log(newAccount.address, ", ", newAccount.privateKey);}main();
output
❯ node keystoreV4-single.jsdecrypted (address, privateKey)0xec5eaa07b4d3cbafe7bf437a1ea9a898209f617c , 0x4062512193ef1dab8ccf3e3d7a4862e3c740bdf11d852954ed48bc73643e354fdecrypted (address, privateKey) with new password0xEc5eAa07b4d3CbAfe7bf437a1Ea9A898209F617c , 0x4062512193ef1dab8ccf3e3d7a4862e3c740bdf11d852954ed48bc73643e354f