Foundations of Cryptography by Oded Goldreich. This two-book pair is probably the best cryptographic theory textbook. This is a great book to start with if you're looking to understand the formal underpinnings first. But it's not an applied crypto textbook.
It says how long ago something was said, so you can tell last month
from 2014 without doing the arithmetic. Full and green is recent; it
drains and cools as the date gets older, and empties completely at about
6 years.
6d5 days ago
8mo8 months ago
2yr2 years ago
4yr4 years ago
9yr9 years ago
A striped bar means the date itself is an estimate — the source did
not carry an exact one. An entry with no date at all gets no bar.