The sample code generates a new secret key and uses it to encrypt and decrypt data.
这个样本代码将生成一个新的秘钥，并使用它对数据进行加密和解密。
The secret key is used to encrypt portions of the request so Amazon can ensure that code that you wrote that is sending them requests.
密钥用来加密请求的某些部分，以使Amazon能够确保是您编写的代码在向他们发送请求。
With the event description text isolated from the event data and time, the next step is to write the event text to disk, and then encrypt it. Add the code shown below in Listing 5 at line 77.
将事件描述文本从事件日期和时间分离出来后，接下来应该将事件文本写到磁盘，然后对它进行加密。
You could make up messages and encrypt them, and your friend could use the code to decode the message.
您可以编制各种消息并对它们进行加密，您的伙伴可以使用暗号来解码这些消息。
And this has not even touched the capabilities needed to encrypt, decrypt, and morph the malicious code.
这还没提到加密解密和改变恶意代码形态所需要的能力。
In the same time, Trusted Computing platform can prevent the run of virus program and malicious code. This platform also solves the security problem of encrypt system and run environment.
同时，能够阻止病毒程序、恶意代码程序的运行，这样可信计算平台解决了加密系统及其运行环境的安全性问题。
Now you can encrypt your PHP files before distribution without worrying about others who might want to copy or steal your code.
现在，你可以在发布PHP文件之前来加密它，再也不用担心别人复制或窃取你的源代码。
The I/O manager code 8 may use the encryption engine 10, which performs operations to encrypt and decrypt data on a coupled removable storage media 4 using one or more encryption keys.
I／O管理器代码8可使用加密引擎10，该加密引擎10执行操作以使用一个或多个加密密钥对耦合的可更换存储介质4上的数据加密和解密。
This paper brings forward a text embedding digital watermarking method based on image's DWT domain, meanwhile, using the chaotic sequences to encrypt the text data and BCH code to correct them.
提出了一种在图像小波域中嵌入文字的新型鲁棒水印算法，并对嵌入的文字进行混沌加密和BCH纠错编码。
This paper brings forward a text embedding digital watermarking method based on image's DWT domain, meanwhile, using the chaotic sequences to encrypt the text data and BCH code to correct them.
提出了一种在图像小波域中嵌入文字的新型鲁棒水印算法，并对嵌入的文字进行混沌加密和BCH纠错编码。
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