Quantum Cryptography Is Unbreakable. So Is Human Ingenuity
 
		
	Two basic types of encryption schemes are used on the internet today. One, known as symmetric-key cryptography, follows the same pattern that people have been using to send secret messages…
				
					Share 
							
					
			
		 
					 
					 
					 
					 
					 
													 
													 
													 
													 
													 
													 
													 
													 
													 
													 
					 
					