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Fossil ‘Winged Serpent’ Is a New Species of Ancient Snake,Penn Doctoral Student Finds（图）
Winged Serpent New Species of Ancient Snake Penn Doctoral Student
2017/7/20
An ancient sink hole in eastern Tennessee holds the clues to an important transitional time in the evolutionary history of snakes. Among the fossilized creatures found there, according to a new paper ...
Differential Factors: Improved Attacks on SERPENT
S-box differential factor Serpent differential-linear attack
2016/1/6
A differential attack tries to capture the round keys corresponding
to the S-boxes activated by a differential. In this work, we
show that for a fixed output difference of an S-box, it may not be po...
Three Snakes in One Hole: The First Systematic Hardware Accelerator Design for SOSEMANUK with Optional Serpent and SNOW 2.0 Modes
Cryptography Hardware Accelerator
2014/3/13
With increasing usage of hardware accelerators in modern heterogeneous System-on-Chips (SoCs), the distinction between hardware and software is no longer rigid. The domain of cryptography is no except...
Nonlinear cryptanalysis of reduced-round Serpent and metaheuristic search for S-box approximations.
secret-key cryptography / Nonlinear cryptanalysis generalized linear cryptanalysis
2013/2/21
We utilise a simulated annealing algorithm to find several nonlinear approximations to various S-boxes which can be used to replace the linear approximations in the outer rounds of existing attacks. W...
Nonlinear cryptanalysis of reduced-round Serpent and metaheuristic search for S-box approximations.
secret-key cryptography / Nonlinear cryptanalysis generalized linear cryptanalysis
2013/2/21
We utilise a simulated annealing algorithm to find several nonlinear approximations to various S-boxes which can be used to replace the linear approximations in the outer rounds of existing attacks. W...
Explanation of the sea-serpent magnetic structure of sunspot penumbrae
sunspots Sun magnetic fields
2010/3/9
Recent spectro-polarimetric observations of a sunspot showed the formation of bipolar magnetic patches in the mid penumbra and their propagation toward the outer penumbral boundary. The observations w...
We describe an SPA attack on an 8-bit smart card implementation of the Serpent
block cipher. Our attack uses measurements taken during an on-the-fly key expansion
together with linearity in the ciph...
Serpent is a 128-bit block cipher designed by Ross Anderson, Eli Biham and Lars Knudsen
as a candidate for the Advanced Encryption Standard (AES). It was a finalist in the AES competition.
The winne...
The Serpent-like dbyangs-yig of the Sa-skya-pa: the soughtafter link between Sa-skya musical notations and the Rolmo’i bstan-bcos by Sa-skya Pandita
dbyangs-yig Sa-skya-pa Rolmo’i bstan-bcos Sa-skya musical notations Sa-skya Pandita
2008/11/7
During my field research in Nepal, I was lucky to locate the only lineage-holder of the
Rol-mo’i bstan-bcos by Sa-skya Pandita. The drawing manual, supplied by him serves as
the missing link bet...
《The Plumed Serpent》Chapter 1 - Beginnings Of A Bull-Fight
D. H. Lawrence The Plumed Serpent river novel
2008/6/23
It was the Sunday after Easter, and the last bull-fight of the season in Mexico City. Four special bulls had been brought over from Spain for the occasion, since Spanish bulls are more fiery than Mexi...
《The Plumed Serpent》Chapter 10 - Don Ramón And Doña Carlota
D. H. Lawrence The Plumed Serpent river novel
2008/6/23
Kate had been in Sayula ten days before she had any sign from Don Ramón. She had been out in a boat on the lake, and had seen his house, round the bend of the western point. It was a reddish-and- yell...
《The Plumed Serpent》Chapter 11 - Lords Of The Day And Night
D. H. Lawrence The Plumed Serpent river novel
2008/6/23
When lunch was over, Ramón went to his room, to sleep for an hour. It was a hot, still afternoon. Clouds were standing erect and splendid, at the west end of the lake, like messengers. Ramón went into...
《The Plumed Serpent》Chapter 12 - The First Waters
D. H. Lawrence The Plumed Serpent river novel
2008/6/23
The men had risen and covered themselves, and put on their hats, and covered their eyes for a second, in salute before Ramón, as they departed down the stone stair. And the iron door at the bottom had...
《The Plumed Serpent》Chapter 13 - The First Rain
D. H. Lawrence The Plumed Serpent river novel
2008/6/23
Ramón and Cipriano were out by the lake. Cipriano also had changed into the white clothes and sandals, and he looked better than when in uniform.
'I had a talk with Montes when he came to Guadalaja...
《The Plumed Serpent》Chapter 14 - Home To Sayula
D. H. Lawrence The Plumed Serpent river novel
2008/6/23
The morning came perfectly blue, with a freshness in the air and a blue luminousness over the trees and the distant mountains, and birds so bright, absolutely like new-opened buds sparking in the air....