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Month: January 2017

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rc5 php

RC5 block cipher implement in PHP and Javascript

phptuts January 22, 2017
In cryptography, RC5 is a symmetric-key block cipher notable for its simplicity. Designed by Ronald Rivest in 1994. RC5 encryption and decryption both expand the…
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xxtea php

XXTEA block cipher implement in PHP and Javascript

phptuts January 21, 2017
In cryptography, Corrected Block TEA (often referred to as XXTEA) is a block cipher designed to correct weaknesses in the original Block TEA. Source: https://en.wikipedia.org/wiki/XXTEA…
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xtea php

XTEA block cipher implement in PHP and Javascript

phptuts January 21, 2017
In cryptography, XTEA (eXtended TEA) is a block cipher designed to correct weaknesses in TEA. The cipher’s designers were David Wheeler and Roger Needham of…
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test vectors for tea

Test vectors TEA

phptuts January 21, 2017
Read first: TEA block cipher implement in PHP and Javascript We provide some test vectors for TEA: Here is the code we use: Function strToHex
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tea php

TEA block cipher implement in PHP and Javascript

phptuts January 20, 2017
In cryptography, the Tiny Encryption Algorithm (TEA) is a block cipher notable for its simplicity of description and implementation, typically a few lines of code.…
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spritz php

Spritz stream cipher implement in PHP and Javascript

phptuts January 20, 2017
Ron Rivest and Jacob Schuldt have proposed replacing RC4 with an improved and slightly modified version dubbed Spritz. The value w, is relatively prime to…
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rc4 plus php

RC4+ stream cipher implement in PHP and Javascript

phptuts January 20, 2017
RC4+ is a modified version of RC4 with a more complex three-phase key schedule (taking about 3× as long as RC4, or the same as…
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vmpc php

VMPC stream cipher implement in PHP and Javascript

phptuts January 20, 2017
VMPC (Variably Modified Permutation Composition) is a stream cipher similar to the well known and popular cipher RC4 designed by Ron Rivest. It was designed…
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rc4a php

RC4A cipher implement in PHP and Javascript

phptuts January 19, 2017
RC4A is one of RC4 variants. Souradyuti Paul and Bart Preneel have proposed an RC4 variant, which they call RC4A. We provide some function implement…
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rc4 implementation in php

RC4 implementation in PHP and Javascript

phptuts January 19, 2017
In cryptography, RC4 (Rivest Cipher 4 also known as ARC4 or ARCFOUR meaning Alleged RC4, see below) is a stream cipher. We provide some function…
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