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Speck is a family of lightweight block ciphers publicly released by the National Security Agency (NSA) in June 2013. [ 3] Speck has been optimized for performance in software implementations, while its sister algorithm, Simon, has been optimized for hardware implementations. Speck is an add–rotate–xor (ARX) cipher.
Richard Benjamin Speck (December 6, 1941 – December 5, 1991) was an American mass murderer who killed eight student nurses in their South Deering, Chicago, residence via stabbing, strangling, slashing their throats, or a combination of the three on the night of July 13–14, 1966. One victim was also raped prior to her murder.
Speck Products. Speculative Product Design, doing business as Speck Products is a San Mateo, California -based company that makes protective cases for portable electronic devices including iPad, iPhone, MacBook, Android devices, Windows Phone devices, tablets and eReaders. [ 1] It became a subsidiary of Samsonite on 29 May 2014.
Case-hardening. Colt Peacemaker, showing discoloration from case-hardening. Case-hardening or carburization is the process of introducing carbon to the surface of a low carbon iron or much more commonly low carbon steel object in order to enable the surface to be hardened. Iron which has a carbon content greater than ~0.02% is known as steel.
The Voyager program is an American scientific program that employs two interstellar probes, Voyager 1 and Voyager 2. They were launched in 1977 to take advantage of a favorable alignment of the two gas giants Jupiter and Saturn and the ice giants, Uranus and Neptune, to fly near them while collecting data for transmission back to Earth.
The syndrome is diagnosed in an increasing number of children prenatally by amniocentesis and chorionic villus sampling [ 24] in order to obtain a chromosome karyotype, where the abnormality can be observed. It is estimated that only 15–20% of children with 47,XYY syndrome are ever diagnosed. Of these, approximately 30% are diagnosed prenatally.
This attack is against AES-256 that uses only two related keys and 2 39 time to recover the complete 256-bit key of a 9-round version, or 2 45 time for a 10-round version with a stronger type of related subkey attack, or 2 70 time for an 11-round version. The Advanced Encryption Standard ( AES ), also known by its original name Rijndael ( Dutch ...
The researchers also found participants with the least healthy lifestyles had a 3.4% chance of developing colorectal cancer over 10 years if they didn’t take aspirin regularly, compared to a 2.1 ...