Chapter 4. Data Hashing
In this chapter, we will cover the following recipes:
- Hashing a primitive data type
- Hashing a custom data type
- Running popular cryptographic hash functions
- Running a cryptographic checksum on a file
- Performing fast comparisons between data types
- Using a high-performance hash table
- Using Google's CityHash hash functions for strings
- Computing Geohash for location coordinates
- Using a bloom filter to remove unique items
- Running MurmurHash, a simple but speedy hashing algorithm
- Measuring image similarity with perceptual hashes
