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So don't use it for your GPG passphrase. Generate those locally. This is where the purpose of my post comes in! He describes the pseudo-random number generator he uses to generate the random numbers at the top of the page. It's the AES block cipher in cipher-block chaining (CBC) mode encrypting a 128-bit counter. A picture (well, diagram) is. AES encryption only supports 128-bit (16 bytes), 192-bit (24 bytes) or 256-bit key (32 bytes) lengths, so we'll need to create or generate an appropriate key ok 1- I generate AES key 2- encrypte this AES key using RSA algorithm I want to use the encrypted AES to generate another AES key to use it to en/decrypte file with AES algorithm. AES-128 AES-192 AES-256 DES. By default the validationKey and the decryptionKey keys are set to AutoGenerate which means the runtime will generate a random key for.

1) генератор ключей, КГ

см. тж.key generation

Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.

Смотреть что такое 'key generator' в других словарях:

Key-Generator — [dt. »Schlüsselerzeuger«], ein Programm, das bei der Datenverschlüsselung zur Erzeugung des Schlüssels verwendet wird. In Hackerkreisen wird der Begriff für ein Programm verwendet, das Passwörter, Seriennummern und andere… … Universal-Lexikon
Key Generator — Ein Key Generator (auch KeyGen, Keygen oder Keymaker) bezeichnet zwei verschiedene Arten von Programmen: ein Programm, das automatisch nach einem Algorithmus Seriennummern (serials) oder Freischaltungscodes für andere Programme erstellt oder ein… … Deutsch Wikipedia
Key generator — Ein Key Generator (auch KeyGen, Keygen oder Keymaker) bezeichnet zwei verschiedene Arten von Programmen: ein Programm, das automatisch nach einem Algorithmus Seriennummern (serials) oder Freischaltungscodes für andere Programme erstellt oder ein… … Deutsch Wikipedia
Key generator — A key generator is used in many cryptographic protocols to generate a sequence with many pseudo random characteristics. This sequence is used as an encryption key at one end of communication, and as a decryption key at the other.Examples: linear… … Wikipedia
Key generator — An ISO term. A type of cryptographic equipment, used for generating cryptographic keys and, where used, initialisation vectors … International financial encyclopaedia
Key gen — Ein Key Generator (auch KeyGen, Keygen oder Keymaker) bezeichnet zwei verschiedene Arten von Programmen: ein Programm, das automatisch nach einem Algorithmus Seriennummern (serials) oder Freischaltungscodes für andere Programme erstellt oder ein… … Deutsch Wikipedia
Key generation — is the process of generating keys for cryptography. A key is used to encrypt and decrypt whatever data is being encrypted/decrypted.Modern cryptographic systems include symmetric key algorithms (such as DES and AES) and public key algorithms… … Wikipedia
KeY — is a formal software development tool that aims to integrate design, implementation, formal specification, and formal verification of object oriented software. It supports programs written in Java (more precisely: in a superset of Java Card) and… … Wikipedia
Key (cryptography) — In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm or cipher. Without a key, the algorithm would produce no useful result. In encryption, a key specifies the… … Wikipedia
Key-agreement protocol — In cryptography, a key agreement protocol is a protocol whereby two or more parties can agree on a key in such a way that both influence the outcome. If properly done, this precludes undesired third parties from forcing a key choice on the… … Wikipedia
generator — An apparatus for conversion of chemical, mechanical, atomic, or other forms of energy into electricity. [g., a begetter, producer] aerosol g. a device for producing airborne suspensions of small particles for inhalation therapy or experimental … Medical dictionary

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Laser A1+. Workbook with Key Pack (+ Audio CD), Taylore-Knowles Steve. Уровень: A1/Beginner. Комплектация: рабочая тетрадь с ответами с диском. Категория: средняя и старшая школа. Рабочая тетрадь обеспечивает отработку материала, представленного в Книге для… ПодробнееКупить за 1135 руб

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AES is a symmetric key encryption cipher, and it is generally regarded as the 'gold standard” for encrypting data.

AES is NIST-certified and is used by the US government for protecting 'secure” data, which has led to a more general adoption of AES as the standard symmetric key cipher of choice by just about everyone. It is an open standard that is free to use for any public, private, commercial, or non-commercial use.

An introduction to AES encryption

AES is a symmetric key encryption cipher. This means that the same key used to encrypt the data is used to decrypt it. This does create a problem: how do you send the key in a secure way?

Asymmetric encryption systems solve this problem by securing data using a public key which is made available to everyone. It can only be decrypted by an intended recipient who holds the correct private key.

This makes asymmetric encryption much better at securing data in transit as the sender does not need to know the recipient’s private key. A good example is RSA encryption, which is used to secure the TLS key exchanges required when connecting to a secure HTTPS website.

Symmetric ciphers like AES are therefore much better at securing data while at rest – such as when it is stored on your hard drive. For this purpose, they are superior to asymmetric ciphers because:

They require much less computational power. This makes encrypting and decrying data with symmetric encryption much faster than with asymmetric encryption. For perspective, symmetric ciphers are generally quoted as being around '1000 times faster” than asymmetric ones.
And because they are faster, symmetric ciphers are much more useful for bulk encrypting large amounts of data. Asymmetric ciphers such as RSA are only really used for encrypting small amounts of data, such as the keys used to secure symmetric key encryption.

Of course, in today’s connected world, data that just sits on your hard drive is of limited use. Fortunately, it can be safely transferred over the internet in conjunction with asymmetric encryption, which used to handle the remote key exchanges required to securely connect to a remote server.

OpenVPN, for example, secures the raw data with a symmetric cipher – usually AES these days. In order to transfer the encrypted data securely between your PC and the VPN server, it uses an asymmetric TLS key exchange to negotiate a secure connection to the server.

Is AES encryption the best type of encryption?

AES is widely regarded as the most secure symmetric key encryption cipher yet invented. Other symmetric key ciphers that are considered to be highly secure also exist, such as Twofish, which was co-invented by renowned cryptographer Bruce Schneier.

Such ciphers have not been battle-tested in the way that AES has, though. And hey, if the US gover

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