Subject 4 sheets
“If you think cryptography will solve your problem, then you don’t understand cryptography and you don’t understand your problem.” — Roger Needham A few colleagues and I recently revisited a familiar debate. In most data …
“A system is not determined by the algorithms it uses, but by the assumptions it makes.” — Leslie Lamport Randomness appears deceptively uniform in most software systems. A call is made, bytes are returned, and execution …
“The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.” — Edsger W. Dijkstra Randomness occupies an unusual position in software systems. We rely on it …
“All problems in computer science can be solved by another level of indirection.” — David J. Wheeler Identifier generation is one of those concerns that quietly disappears into the background of a system. At small scale, …