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D&H Distributing was founded as Economy Tire and Rubber, a tire retreading company, established by brothers-in-law David Schwab and Harry Spector. In 1921, the company began selling wholesale parts for automobile service industry, adding crystal radios by 1926 and moving into a distribution capacity by signing with radio manufacturer Philco.
In 2006, Hellman suggested the algorithm be called Diffie–Hellman–Merkle key exchange in recognition of Ralph Merkle's contribution to the invention of public-key cryptography (Hellman, 2006), writing:
David H. D. Warren is a computer scientist who worked primarily on logic programming and in particular the programming language Prolog in the 1970s and 1980s. Warren wrote the first compiler for Prolog, and the Warren Abstract Machine execution environment for Prolog is named after him.
D. H. Lehmer wrote the article "The Machine Tools of Combinatorics," which is the first chapter in Edwin Beckenbach's Applied Combinatorial Mathematics (1964). [5] It describes methods for producing permutations, combinations, etc. This was a uniquely valuable resource and has only been rivaled recently by Volume 4 of Donald Knuth's series.
The Diffie–Hellman problem (DHP) is a mathematical problem first proposed by Whitfield Diffie and Martin Hellman [1] in the context of cryptography and serves as the theoretical basis of the Diffie–Hellman key exchange and its derivatives.
Cryptic crosswords often use abbreviations to clue individual letters or short fragments of the overall solution. These include: Any conventional abbreviations found in a standard dictionary, such as:
Dana Harry Ballard (1946–2022) was a professor of computer science at the University of Texas at Austin and formerly with the University of Rochester. [1] Ballard attended MIT and graduated in 1967 with his bachelor's degree in aeronautics and astronautics. He then attended the University of Michigan for his masters in information and control ...
D+H (originally Davis & Henderson) was a Canadian global payments and lending technology provider serving nearly 8,000 financial institutions, specialty lenders, community banks, credit unions, governments and corporations, including Canada's five largest banks. [3]