Using the Crypto, API you can accomplish the following tasks: Encrypt and decrypt data Digitally sign and verify data secure the integrity of your data Authenticate data It is this flexibility that makes the Crypto API effective on a number of different levels. Together, these two APIs define the protocol functionality since they contain the code necessary for implementing secure communication. The Key Management API contains the basic cryptographic framework needed to create secure applications.
The Certificate API contains the functionality necessary for managing cryptographic certificates. The ASN. At the lowest level, the Cryptographic Primitives API contains the most basic tools needed to implement the cryptographic utilities. The API can be used to provide security for any project no matter the size or complexity. This is accomplished by implementing flexible cryptography algorithms that can be implemented in a number of different ways.
For example, the Crypto API contains a variety of encryption algorithms that can be implemented individually as a low level algorithm or as part of a larger, more customized process.
This process is encapsulated within an object called a factory. By incorporating the various levels of granularity into the API, the system becomes extremely customizable and extremely flexible.
To simplify embedded development, compile time type checking is preferred over runtime type checking. Extending the Crypto API. The crypto API was developed to provide developers with the means necessary to design and create secure software for the BlackBerry Handheld. It was intended for use by all developers who are trying to incorporate security into their applications, regardless of their knowledge of security concepts or low level programming.
To compliment this inherent flexibility, developers can extend the API by implementing their own cryptographic algorithms, encoding schemes, certificates and software tokens. This way, custom cryptographic solutions can be even more flexible. Note: For ease of use, this documentation set is divided into two separate file sets. Tutorials This series of tutorials tells you how to use the common features and components provided in the Crypto API. For more information on cryptography Two good books on the subject are: Applied Cryptography by Bruce Schneier.
This is a very readable book, and explains the important concepts without getting into too much mathematical detail. This is the reference book on cryptography, with all the mathematical details. Your input is important to us. Certificate API Certificate. Cryptographic Primitives API. Connect and share knowledge within a single location that is structured and easy to search.
I'm developing a blackberry application to encode and decode some important information. For this I'm using the net. I'm developing in blackberry OS 7. When I try to download the app in my device, it gives me the following error:. Also I'm not able to use the update site and install previous blackberry Os versions as the installation fails whenever I try to install it. So, my question is mainly: How can I make my apps backward compatible in this case?
Also, I'm not able to install and run my app mentioned above on the device. How can I accomplish this? Please help. Thanks in advance. Please note that BlackBerry apps are not backward compatible, that is to say an app built on OS 7.
However, an same app built on OS 5. Considering you are developing your app in OS 7. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 8 years, 11 months ago. Active 8 years, 11 months ago. Viewed 7k times. Nate Add a comment.
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