本文整理了Java中org.web3j.crypto.Hash.hmacSha512()方法的一些代码示例，展示了Hash.hmacSha512()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Hash.hmacSha512()方法的具体详情如下：
包路径：org.web3j.crypto.Hash
类名称：Hash
方法名：hmacSha512

Hash.hmacSha512介绍

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代码示例

代码示例来源：origin: web3j/web3j

public static Bip32ECKeyPair generateKeyPair(byte[] seed) {
  byte[] i = hmacSha512("Bitcoin seed".getBytes(), seed);
  byte[] il = Arrays.copyOfRange(i, 0, 32);
  byte[] ir = Arrays.copyOfRange(i, 32, 64);
  Arrays.fill(i, (byte) 0);
  Bip32ECKeyPair keypair = Bip32ECKeyPair.create(il, ir);
  Arrays.fill(il, (byte) 0);
  Arrays.fill(ir, (byte) 0);
  return keypair;
}

代码示例来源：origin: web3j/web3j

data.put(parentPublicKey);
data.putInt(childNumber);
byte[] i = hmacSha512(getChainCode(), data.array());
byte[] il = Arrays.copyOfRange(i, 0, 32);
byte[] chainCode = Arrays.copyOfRange(i, 32, 64);
byte[] i = hmacSha512(getChainCode(), data.array());
byte[] il = Arrays.copyOfRange(i, 0, 32);
byte[] chainCode = Arrays.copyOfRange(i, 32, 64);

代码示例来源：origin: org.web3j/crypto

public static Bip32ECKeyPair generateKeyPair(byte[] seed) {
  byte[] i = hmacSha512("Bitcoin seed".getBytes(), seed);
  byte[] il = Arrays.copyOfRange(i, 0, 32);
  byte[] ir = Arrays.copyOfRange(i, 32, 64);
  Arrays.fill(i, (byte) 0);
  Bip32ECKeyPair keypair = Bip32ECKeyPair.create(il, ir);
  Arrays.fill(il, (byte) 0);
  Arrays.fill(ir, (byte) 0);
  return keypair;
}

代码示例来源：origin: org.web3j/crypto

data.put(parentPublicKey);
data.putInt(childNumber);
byte[] i = hmacSha512(getChainCode(), data.array());
byte[] il = Arrays.copyOfRange(i, 0, 32);
byte[] chainCode = Arrays.copyOfRange(i, 32, 64);
byte[] i = hmacSha512(getChainCode(), data.array());
byte[] il = Arrays.copyOfRange(i, 0, 32);
byte[] chainCode = Arrays.copyOfRange(i, 32, 64);