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AES is a symmetric-key algorithm for encrypting electronic data, with key sizes of 128, 192 or 256 bits. AES is a variant of Rijndael, a family of ciphers developed by Daemen and Rijmen, and is the first cipher approved by the U.S. NSA for top secret information.
AES3 is a standard for the exchange of digital audio signals between professional audio devices, jointly developed by the Audio Engineering Society (AES) and the European Broadcasting Union (EBU). It can carry two channels of PCM audio over balanced or unbalanced lines or optical fiber, and has variants such as S/PDIF and AES-3id.
AOL Mail offers secure and personalized email with features like AOL Mail, news, and weather for free. You can also access your email on the go with an iOS & Android app and get help from experts.
Learn how the Advanced Encryption Standard expands a short key into a number of round keys for encryption. See the key schedule algorithm, the round constants, and the key schedule schematic for different AES variants.
Learn what high blood glucose or A1C levels mean, how they are diagnosed, and what to do next. Find out how to prevent or manage diabetes with lifestyle changes, medication, and regular monitoring.
Triple vessel CAD is a severe form of CAD that affects three coronary arteries. Learn about the symptoms, causes, risk factors, and how it's diagnosed and treated with tests and medications.
Learn about the impact, treatment, and outlook of stage 3 kidney disease, which means your kidneys are functioning at 30-59% of normal. Find out how to prevent further damage and complications ...
Learn about the substitution box (S-box) used in the Rijndael cipher, the basis of the Advanced Encryption Standard (AES) algorithm. See the forward and inverse S-box tables, the Nyberg S-box transformation, and the affine transformation.