November 2018
Intermediate to advanced
382 pages
11h 20m
English
Content preview from Practical Internet of Things Security - Second Edition
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Asymmetric encryption
Asymmetric encryption simply means there are two different pairwise keys, one public and the other private, used to encrypt and decrypt, respectively. In the following diagram, IoT device A uses IoT device B's public key to encrypt to device B. Conversely, device B uses device A's public key to encrypt information to device A. Each device's private keys are kept secret; otherwise, anyone or anything possessing them will be able to decrypt and view the information:
Asymmetric-Encryption.graffle
The only asymmetric encryption algorithm in use today is that of Rivest, Shamir, Adelman (RSA), an Integer Factorization Cryptography ...
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