Originally posted by minestrone
					
						
						
							
							
							
							
								
								
								
								
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		IIRC they cracked the oyster card encryption with a little bit of insider knowledge and some computers quite quickly.
I don't profess to be an expert in this field, but it seems to me that I'm doing things on my phone today that would have taken weeks on a mainframe just 5-10 years ago and what is uncrackable now might not last that long....

							
						

				
				
				
				
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