hashdb is a tool for finding previously identified blocks of data in media such as disk images. hashdb provides the following:
- The hashdb tool used to create hash databases, import block hashes, provide lookup services, and otherwise manage block hash databases.
- The hashdb library that allows other programs to create hash databases or scan for block hashes. The hashid scanner is a bulk_extractor plugin that uses libhashdb to search for previously identified blocks of data.
- Bulk Extractor, the feature extraction tool.