Examples of using Plaintext in English and their translations into Turkish
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Colloquial
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Ecclesiastic
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Ecclesiastic
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Computer
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Programming
Plaintext or static WEP.
Some modes such as theCBC mode only operate on complete plaintext blocks.
Client plaintext authentication.
Single-digit errors are limited in their effect,affecting only up to N plaintext digits.
P is called the plaintext, and C is termed the ciphertext.
Knowing the local weather conditions helped Bletchley Park guess other parts of the plaintext as well.
Let formula_6 be the plaintext space(consisting of numbers) and formula_7 be the plaintext.
Once every letter in the key is known,all the cryptanalyst has to do is to decrypt the ciphertext and reveal the plaintext.
This way, each ciphertext block depends on all plaintext blocks processed up to that point.
That should be true for all keys(there should be no weak keys), even if the attacker can know or choose some plaintext or ciphertext.
Since the attacker in this type of attack is free to craft the plaintext to match his needs, the attack complexity may be reduced.
For some chosen-plaintext attacks, only a small part of the plaintext may need to be chosen by the attacker; such attacks are known as plaintext injection attacks.
In the most common form, binary digits are used(bits),and the keystream is combined with the plaintext using the exclusive or operation XOR.
The Bletchley Park team would guess some of the plaintext based upon when the message was sent, and by recognizing routine operational messages.
The OAEP algorithm is a form of Feistel network which uses a pair of random oracles G and H to process the plaintext prior to asymmetric encryption.
For instance, the attacker might know the language in which the plaintext is written or the expected statistical distribution of characters in the plaintext.
To prove their hypothesis that"AF" corresponded to"MidwayIsland" they asked the US forces at Midway to send a plaintext message about low supplies.
For example, the El Gamal cipher is secure against chosen plaintext attacks, but vulnerable to chosen ciphertext attacks because it is unconditionally malleable.
To be semantically secure, that is,to hide even partial information about the plaintext, an encryption algorithm must be probabilistic.
The Propagating Cipher Block Chaining or plaintext cipher-block chaining mode was designed to cause small changes in the ciphertext to propagate indefinitely when decrypting, as well as when encrypting.
For example, if a 128-bit blockcipher received separate 32-bit bursts of plaintext, three quarters of the data transmitted would be padding.
Many classical ciphers arrange the plaintext into particular patterns(e.g., squares, rectangles, etc.) and if the plaintext doesn't exactly fit, it is often necessary to supply additional letters to fill out the pattern.
An improvement to the Kasiski examination, known as Kerckhoffs' method,matches each column's letter frequencies to shifted plaintext frequencies to discover the key letter(Caesar shift) for that column.
A Guide to Piracy- An article on the warez scene(ASCII plaintext and image scans from 2600: The Hacker Quarterly)"The Shadow Internet"- An article about modern day warez"top sites" at Wired News.
An intuitive approach to converting a deterministic encryption scheme into aprobabilistic one is to simply pad the plaintext with a random string before encrypting with the deterministic algorithm.
The simplest is to add null bytes to the plaintext to bring its length up to a multiple of the block size, but care must be taken that the original length of the plaintext can be recovered; this is trivial, for example, if the plaintext is a C style string which contains no null bytes except at the end.
The GM cryptosystem leverages this asymmetry by encrypting individual plaintext bits as either random quadratic residues or non-residues modulo N, all with quadratic residue symbol +1.
All that is needed is some way to distinguish valid plaintext from random noise, which is easily done for natural languages when the ciphertext is longer than the unicity distance.
The original version of OAEP(Bellare/Rogaway, 1994)showed a form of"plaintext awareness"(which they claimed implies security against chosen ciphertext attack) in the random oracle model when OAEP is used with any trapdoor permutation.