Most foods which are high in fiber are also very good for you for other reasons. Take, for example, fruit and vegetables and whole grains, they are high in fiber but also rich in vitamins and other essential nutrients.
Raymond Lin's MD5 & SHA-1 Checksum Utility is a standalone freeware tool that generates and verifies cryptographic hashes in MD5 and SHA-1. The program has a basic, utterly functional interface that should pose no trouble for anyone with the knowledge and skill to actually need it.
6.5.5.1 Checksums. A checksum is a function that is calculated over an input to determine if that input has been corrupted. Most often, checksums are used to verify that data communications over a modem or network link have not undergone bit-rot, or random changes from noise.