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    • The ideal solution for enterprises and large organizations. The Internet most recognized and trusted SSL brand.
    • A quick, cost-efficient, and effective solution to build secure connection. PositiveSSL certificates show your customers you’re employing serious security measures to keep their transactions and data safe.
    • SECTIGO, formerly COMODO CA, Creating trust online for individuals, e-merchants, enterprise, with its robust SSL security.
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      It gives your website an online idenity. For SMBs to strengthen web trust.
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    • Email (Client) Certificate
      Encrypt and signed email, enable two-factor authentication, and implement strong digital trust practices throughout your organization.
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      Boost Software Adoption and improve customer's trust with Code Signing. Digitally sign Code across popular platforms.
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什么是SSL握手?

SSL握手是一种安全协议,用于建立客户端和服务器之间的安全连接。在这个过程中,客户端和服务器之间会交换一些信息,以确保双方都是可信的,并且可以安全地通信。

SSL握手的过程可以分为以下几个步骤:

1. 客户端向服务器发送一个连接请求,并且请求使用SSL协议进行通信。

2. 服务器会向客户端发送一个SSL证书,证书中包含了服务器的公钥和一些其他信息。

3. 客户端会验证证书的有效性,包括证书是否过期、证书是否被撤销等。

4. 如果证书有效,客户端会生成一个随机数,并且使用服务器的公钥对该随机数进行加密,然后将加密后的随机数发送给服务器。

5. 服务器使用自己的私钥对客户端发送的随机数进行解密,并且使用该随机数生成一个对称密钥。

6. 客户端和服务器都使用对称密钥进行加密和解密,以确保通信的安全性。

SSL握手的过程非常重要,因为它确保了客户端和服务器之间的通信是安全的。如果SSL握手失败,那么客户端和服务器之间的通信就会被中断,从而保护了用户的隐私和数据安全。

总之,SSL握手是一种非常重要的安全协议,它可以确保客户端和服务器之间的通信是安全的。在今天的互联网环境中,保护用户的隐私和数据安全是至关重要的,因此SSL握手也变得越来越重要。


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