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Zend Framework: Zend_Filter_Hash Component Proposal

Table of Contents

1. Overview

Zend_Filter_Hash is a filter which returned the hash for given input.

2. References

• Crc32
• Hash
• Md5
• Sha1
• [MHash|http://php.net/mhash
• [Crypt|http://php.net/crypt

3. Component Requirements, Constraints, and Acceptance Criteria

• This component will return hash values for given input
• This component will support multiple adapters like Zend_Filter_Encrypt

4. Dependencies on Other Framework Components

• Zend_Filter

5. Theory of Operation

Zend_Filter_Hash provides a filter which can be used within other components which allow the usage of filters. It provides adapters for several available extensions and methods.

6. Milestones / Tasks

• Milestone 1: [DONE] Proposal finished
• Milestone 2: Proposal accepted
• Milestone 3: Working implementation
• Milestone 4: Unit tests
• Milestone 5: Documentation
• Milestone 6: Moved to core

7. Class Index

• Zend_Filter_Hash
• Zend_Filter_Hash_Interface
• Zend_Filter_Hash_Crc32
• Zend_Filter_Hash_Crypt
• Zend_Filter_Hash_Md5
• Zend_Filter_Hash_MHash
• Zend_Filter_Hash_Sha1

8. Use Cases

Simple CRC32 hashing

Blowfish hashing with salt key

9. Class Skeletons