What is hashing and its techniques?

Related questions

1. What is hash tool?
2. Where are hash functions used?
3. What is Google hash code?
4. Why would you hash a file?
5. How do hash functions work?
6. How do you verify game cache?
7. How do I find the hash value of a file?
8. How does md5 hash algorithm work?
9. How do I verify a hash file?
10. Can you reverse md5 hash?

Tags

1. #length
2. #hashed
3. #transformation
4. #shorter
5. #usually
6. #faster
7. #original
8. #characters
9. #because
10. #database
11. #index
12. #value
13. #represents
14. #string
15. #items
16. #hashing
17. #retrieve
18. #fixed
19. #using