静态方法：Certificate.exportChallenge(spkac[, encoding])

¥Static method: Certificate.exportChallenge(spkac[, encoding])

• spkac <string> | <ArrayBuffer> | <Buffer> | <TypedArray> | <DataView>

• encoding <string> spkac 字符串的 字符编码。

  ¥encoding <string> The encoding of the spkac string.

• 返回：<Buffer> spkac 数据结构的挑战组件，包括公钥和挑战。

  ¥Returns: <Buffer> The challenge component of the spkac data structure, which includes a public key and a challenge.

const { Certificate } = await import('node:crypto');
const spkac = getSpkacSomehow();
const challenge = Certificate.exportChallenge(spkac);
console.log(challenge.toString('utf8'));
// Prints: the challenge as a UTF8 stringconst { Certificate } = require('node:crypto');
const spkac = getSpkacSomehow();
const challenge = Certificate.exportChallenge(spkac);
console.log(challenge.toString('utf8'));
// Prints: the challenge as a UTF8 string拷贝