Compile: gcc -o RC4 RC4.c

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Usage: RC4 numKeystreamBytes

where numKeystreamBytes == no. of keystream bytes to generate

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The file "out.txt" was generated  from

    RC4 100

The key used consisted of the 7-bytes
0x1a,0x2b,0x3c,0x4d,0x5e,0x6f,0x77.
This key is hardcoded into the program.

Note: This program only generates keystream bytes,
it does not do the encryption/decryption.
