Today, we're open sourcing the library which we're calling Daybreak. Daybreak is a simple key-value store for Ruby that operates just like a Ruby hash.

Hashing functions are not reversible. The output of a hashing function is a fixed-length string of characters called a hash value, digest or simply a hash.

The initial values of these eight variables are set to a fixed Initial hash value. In SHA-256, a binary obtained by evolving the square root of the prime numbers 2, 3, 5, 7, 11, 13, 17, and 19 ...