@brief Encrypts / decrypts using the RC4 algorithm.
@param count number of bytes
@param dst destination array, can be equal to src
@param src source array, can be equal to dst, may be NULL
@param iv not (yet) used for RC4, should be NULL
@param decrypt 0 for encryption, 1 for decryption, not (yet) used
@brief Encrypts / decrypts using the RC4 algorithm.
@param count number of bytes @param dst destination array, can be equal to src @param src source array, can be equal to dst, may be NULL @param iv not (yet) used for RC4, should be NULL @param decrypt 0 for encryption, 1 for decryption, not (yet) used