RC algorithms

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RC algorithms

(Ron's Code or Rivest's Cipher algorithms) A family of secret key cryptographic algorithms from RSA Security, Inc., Bedford, MA (www.rsa.com). Although RSA (formerly RSA Data Security and acquired by EMC in 2006) is widely known for its public key methods, its secret key algorithms are also widely used. Ronald Rivest is the "R" in RSA.

Designed as a replacement for DES, RC2 uses a variable key and the block cipher method. RC4 uses a variable key and stream cipher method. Both RC5 and RC6 are block ciphers with variable keys up to 2,040 bits. RC6, designed by Rivest and others, uses integer multiplication for improved performance. RC6 was created to conform to the AES standard and was a finalist in the competition for the AES algorithm. See RSA, EMC, AES and DES.
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AES, MARS, Serpent and TwoFish used linear and non- linear functions in key schedule whereas RC6 uses constants and linear functions in key schedule.
The round function of RC6 uses variable rotations that are regulated by a quadratic function of the data.
RC6 operates on four registers (A, B, C, D) of 32-bit words.
The RICAVISION Vista SideShow Remote Control package also comes with an external USB RC6 receiver and with a Class 1 Bluetooth receiver as well.
The paper evaluates hardware implementations of the AES finalists; Twofish [13], Serpent [14], RC6 [15], Mars [16], and Rijndael [17].
He is a co-designer of the AES finalist block cipher RC6 and the lightweight block cipher PRESENT.
The authors evaluate Skip Jack, RC5, RC6, TEA and DES.
They further evaluated six block ciphers: RC5, RC6 [117], Rijndael [118], MISTY1 [119], KASUMI [120], and Camellia [121] on IAR Systems' MSP430F149 in [88].
On August 9th, 1999, NIST announced the five AES finalists: MARS, RC6, Rijndael, Serpent and Twofish.