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2018年7月18日 · Openssl在于算法封装的性能优势，多种安全加密算法均可以利用该库调用。 高性能的运算必然面对的是多种共享资源的读写。 经过研究SSL结构中的多处成员，必须要运行在原子锁级别上。 关键就是SSL_write函数，经常会并行修改其他成员变量，造成内存冲突。

SSL, also known as TLS, uses encryption to keep user data secure, authenticate the identity of websites, and stop attackers from tampering with Internet communications.

OpenSSL can safely be used in multi-threaded applications provided that at least two callback functions are set, locking_function and threadid_func. 还有 这里 说了，Openssl 是安全的，前提是必须注册两个回调函数。 其中根据 Openssl 的版本不同，会有不同 版本的 threadid 回调函数。 1. Is OpenSSL thread-safe? Yes (with limitations: an SSL connection may not concurrently be used by multiple threads).

Rapid SSL offers the basic SSL security to your website in a quick time less than 30 minutes. It gives the full https protection to your website at a very low cost. It has a hassle-free validation process to get your SSL on time. Rapid SSL includes a …

2016年7月27日 · 在使用 ssl::setup_ssl_lock (); SSL_load_error_strings (); SSL_library_init (); 这几个接口的时候，会申请一部分内存，常常会被静态检查工具检查出来。 如果是进程退出的话，我们完全不用管它， 如果是反复调用多次的话，那就需要处理了，请参考下面的链接; 13.

Here's a simple tool that will tell you about any insecure items on your SSL page! Simply type in the full https URL into the box below and get a report about: Insecure calls to images, css, and …

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2020年11月4日 · libcurl官方文档指出，使用https需调用openssl静态锁初始化，但在OpenSSL 1.1.0+版本中，已内置线程安全支持，无需额外初始化锁。 那些年遇到的坑 openssl 线程安全 问题. No symbol table info available. 文章浏览阅读2.3k次。 博客内容讲述了在使用libcurl库与openssl结合时遇到的线程安全问题，crash原因是并发导致的重复释放。 libcurl官方文档指出，使用https需调用openssl静态锁初始化，但在OpenSSL 1.1.0+版本中，已内置线程安全支持，无 …