Bouncy Castle C# -从字节数组中获取公钥对象

using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.OpenSsl;
using Org.BouncyCastle.Security;

public AsymmetricKeyParameter GetPublicKeyFromByteArray(byte[] publicKeyBytes)
{
    // 创建PEMReader对象，用于解析公钥
    using (var reader = new PemReader(new StreamReader(new MemoryStream(publicKeyBytes))))
    {
        // 从PEMReader中读取公钥对象
        var publicKeyObject = reader.ReadObject();

        // 判断公钥对象的类型
        if (publicKeyObject is AsymmetricKeyParameter)
        {
            // 返回公钥对象
            return (AsymmetricKeyParameter)publicKeyObject;
        }
        else
        {
            throw new ArgumentException("Invalid public key format");
        }
    }
}