If you don't know what CBC and friends are all about, I would suggest either reading up on it, or using a wrapper library. OpenSSL is fairly low level, so if you don't know what you are doing, you will probably be not only more productive with a wrapper library, but also do things the correct way as well.
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Stack Overflow 上有几个答案，例如 AES CTR 256 加密模式OpenSSL 上的操作
如果您不知道CBC 和朋友们都是关于，我建议要么阅读它，要么使用包装库。 OpenSSL 的级别相当低，因此，如果您不知道自己在做什么，那么使用包装器库可能不仅会提高工作效率，而且还会以正确的方式做事。
There are several answers on Stack Overflow, e.g. AES CTR 256 Encryption Mode of operation on OpenSSL
If you don't know what CBC and friends are all about, I would suggest either reading up on it, or using a wrapper library. OpenSSL is fairly low level, so if you don't know what you are doing, you will probably be not only more productive with a wrapper library, but also do things the correct way as well.