why ssh keys still work after byte changes

see also: Latency Budget · Platform Risk

context shard

A crypto exchange discussion explained why some SSH key byte changes do not break validity (source). The answer is about encoding, structure, and error tolerance.

signal stack

take line

Security systems often fail at the edges of format and parsing.

This links to Deceiving Windows Defender Big Stack Bypass and Exchange Server Hacks and Log4Shell and the Ops Tax.

open loop

Where else do formats tolerate errors in ways we do not expect?