subtle.generateKey(algorithm, extractable, keyUsages)

• algorithm <string> | <RsaHashedKeyGenParams> | <EcKeyGenParams> | <HmacKeyGenParams> | <AesKeyGenParams>

• extractable <boolean>

• keyUsages <string[]> 参见 关键用法。

  ¥keyUsages <string[]> See Key usages.

• 返回：<Promise> 成功后获得 <CryptoKey> | <CryptoKeyPair>。

  ¥Returns: <Promise> Fulfills with a <CryptoKey> | <CryptoKeyPair> upon success.

此方法使用 algorithm 中提供的参数尝试生成新的密钥材料。根据所使用的算法，生成单个 <CryptoKey> 或 <CryptoKeyPair>。

¥Using the parameters provided in algorithm, this method attempts to generate new keying material. Depending on the algorithm used either a single <CryptoKey> or a <CryptoKeyPair> is generated.

支持的 <CryptoKeyPair>（公钥和私钥）生成算法包括：

¥The <CryptoKeyPair> (public and private key) generating algorithms supported include:

• 'RSASSA-PKCS1-v1_5'

• 'RSA-PSS'

• 'RSA-OAEP'

• 'ECDSA'

• 'Ed25519'

• 'Ed448' ¹

• 'ECDH'

• 'X25519'

• 'X448' ¹

支持的 <CryptoKey>（密钥）生成算法包括：

¥The <CryptoKey> (secret key) generating algorithms supported include:

• 'HMAC'

• 'AES-CTR'

• 'AES-CBC'

• 'AES-GCM'

• 'AES-KW'