cryptology - определение. Что такое cryptology
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Что (кто) такое cryptology - определение

WIKIMEDIA LIST ARTICLE
Clock (cryptology)
  • Enigma rotors. Turnover notch can be seen in left rotor near 13. Right rotor marking near center shows it is rotor II.
Найдено результатов: 26
Cryptology         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
·noun Secret or enigmatical language.
cryptology         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
¦ noun the study of codes, or the art of writing and solving them.
Derivatives
cryptological adjective
cryptologist noun
cryptology         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
The study of cryptography and cryptanalysis. (1994-12-06)
Cryptology (album)         
1995 STUDIO ALBUM BY DAVID S. WARE
Cryptology is an album by jazz saxophonist David S. Ware, recorded in 1994 and released by Homestead Records.
cryptography         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
<cryptography> The practise and study of encryption and decryption - encoding data so that it can only be decoded by specific individuals. A system for encrypting and decrypting data is a cryptosystem. These usually involve an algorithm for combining the original data ("plaintext") with one or more "keys" - numbers or strings of characters known only to the sender and/or recipient. The resulting output is known as "ciphertext". The security of a cryptosystem usually depends on the secrecy of (some of) the keys rather than with the supposed secrecy of the algorithm. A strong cryptosystem has a large range of possible keys so that it is not possible to just try all possible keys (a "brute force" approach). A strong cryptosystem will produce ciphertext which appears random to all standard statistical tests. A strong cryptosystem will resist all known previous methods for breaking codes ("cryptanalysis"). See also cryptology, public-key encryption, RSA. Usenet newsgroups: news:sci.crypt, news:sci.crypt.research. FAQ {MIT (ftp://rtfm.mit.edu/pub/usenet/news.answers/cryptography-faq/)}. {Cryptography glossary (http://io.com/cryptographyritter/GLOSSARY.HTM#BruteForceAttack)}. {RSA cryptography glossary (http://rsasecurity.com/rsalabs/faq/glossary.html)}. {Cryptography, PGP, and Your Privacy (http://draco.centerline.com:8080/cryptographyfranl/crypto.html)}. (2000-01-16)
cryptography         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
¦ noun the art of writing or solving codes.
Derivatives
cryptographer noun
cryptographic adjective
cryptographically adverb
Cryptographer         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
·noun One who writes in cipher, or secret characters.
Cryptographic         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
·adj ·Alt. of Cryptographical.
Cryptography         
  • French]] cipher machine, with arms of [[Henri II of France]]
  • [[Poznań]] monument (''center'') to Polish cryptanalysts whose breaking of Germany's Enigma machine ciphers, beginning in 1932, altered the course of World War II
  • First page of a book by [[Al-Kindi]] which discusses encryption of messages
  • 1=''k'' = 3}}. In other words, the letters in the alphabet are shifted three in one direction to encrypt and three in the other direction to decrypt.
  • [[Whitfield Diffie]] and [[Martin Hellman]], authors of the first published paper on public-key cryptography.
  • Enciphered letter from [[Gabriel de Luetz d'Aramon]], [[French Ambassador to the Ottoman Empire]], after 1546, with partial decipherment
  • Cipher Bureau]], for 7 years before the war, and subsequent decryption at [[Bletchley Park]], was important to Allied victory.<ref name="kahnbook" />
  • PGP]] and OpenPGP compatible software for time-efficient encryption of messages
  • NSA headquarters in Fort Meade, Maryland
  • In this example the message is only signed and not encrypted.
1) Alice signs a message with her private key.
2) Bob can verify that Alice sent the message and that the message has not been modified.
  • Public-key cryptography, where different keys are used for encryption and decryption.
  • Reconstructed [[ancient Greek]] ''[[scytale]]'', an early cipher device
  • Symmetric-key cryptography, where a single key is used for encryption and decryption
PRACTICE AND STUDY OF SECURE COMMUNICATION TECHNIQUES
CryptologY; CryptographY; Cryptology; Cryptographer; Cryptographic; Codes and ciphers; Cyptography; Computer Cryptology; Cryptography Classification; Cryptography Notes; Cryptographic systems; Declarative Security System; Cryptographic Systems; Secret code; Code making; Polygraphia; Applied cryptography; Kriptografia; Mathematical cryptography; Cryptographically; Lightweight cipher
·noun The act or art of writing in secret characters; also, secret characters, or cipher.
Chaotic cryptology         
Chaotic Cryptology
Chaotic cryptology is the application of the mathematical chaos theory to the practice of the cryptography, the study or techniques used to privately and securely transmit information with the presence of a third-party or adversary. Since first being investigated by Robert Matthews in 1989,"On the derivation of a “chaotic” encryption algorithm.

Википедия

Clock (cryptography)

In cryptography, the clock was a method devised by Polish mathematician-cryptologist Jerzy Różycki, at the Polish General Staff's Cipher Bureau, to facilitate decrypting German Enigma ciphers. The method determined the rightmost rotor in the German Enigma by exploiting the different turnover positions. For the Poles, learning the rightmost rotor reduced the rotor-order search space by a factor of 3 (the number of rotors). The British improved the method, and it allowed them to use their limited number of bombes more effectively (the British confronted 5 to 8 rotors).