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  2. Java Cryptography Architecture - Wikipedia

    en.wikipedia.org/wiki/Java_Cryptography_Architecture

    In computing, the Java Cryptography Architecture (JCA) is a framework for working with cryptography using the Java programming language. It forms part of the Java security API, and was first introduced in JDK 1.1 in the java.security package. The JCA uses a "provider"-based architecture and contains a set of APIs for various purposes, such as ...

  3. Java Cryptography Extension - Wikipedia

    en.wikipedia.org/wiki/Java_Cryptography_Extension

    The Java Cryptography Extension (JCE) is an officially released Standard Extension to the Java Platform and part of Java Cryptography Architecture (JCA). JCE provides a framework and implementation for encryption , key generation and key agreement , and Message Authentication Code (MAC) algorithms.

  4. RC6 - Wikipedia

    en.wikipedia.org/wiki/RC6

    RC6 is very similar to RC5 in structure, using data-dependent rotations, modular addition, and XOR operations; in fact, RC6 could be viewed as interweaving two parallel RC5 encryption processes, although RC6 does use an extra multiplication operation not present in RC5 in order to make the rotation dependent on every bit in a word, and not just ...

  5. Cipher - Wikipedia

    en.wikipedia.org/wiki/Cipher

    AES's designer's claim that the common means of modern cipher cryptanalytic attacks are ineffective against AES due to its design structure.[12] Ciphers can be distinguished into two types by the type of input data: block ciphers, which encrypt block of data of fixed size, and; stream ciphers, which encrypt continuous streams of data.

  6. XOR cipher - Wikipedia

    en.wikipedia.org/wiki/XOR_cipher

    Other logical operations such and AND or OR do not have such a mapping (for example, AND would produce three 0's and one 1, so knowing that a given ciphertext bit is a 0 implies that there is a 2/3 chance that the original plaintext bit was a 0, as opposed to the ideal 1/2 chance in the case of XOR) [a]

  7. Symbol table - Wikipedia

    en.wikipedia.org/wiki/Symbol_table

    In computer science, a symbol table is a data structure used by a language translator such as a compiler or interpreter, where each identifier, symbol, constant, procedure and function in a program's source code is associated with information relating to its declaration or appearance in the source. In other words, the entries of a symbol table ...

  8. She donated a kidney years ago. Last month, she received a ...

    www.aol.com/news/years-transplant-wait-list...

    Locke explained the odds and asked Looney why she would agree to be a part of an experimental procedure. Looney said she wanted to help people. Locke said Tuesday that Looney’s energy, even ...

  9. Block cipher - Wikipedia

    en.wikipedia.org/wiki/Block_cipher

    Block diagram of cipher block showing its inputs, outputs and components. A block cipher consists of two paired algorithms, one for encryption, E, and the other for decryption, D. [1] Both algorithms accept two inputs: an input block of size n bits and a key of size k bits; and both yield an n-bit output block.

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