Is RC4 still used? What encryption does the Altiris Agent use when encryption is enabled?
Prior to ITMS 7.5 release, it was used RC4.
RC4 is a stream cipher designed by Rivest for RSA Data Security (now RSA Security). It is a variable key-size stream cipher with byte-oriented operations. The algorithm is based on the use of a random permutation. Analysis shows that the period of the cipher is overwhelmingly likely to be greater than 10,100. Eight to sixteen machine operations are required per output byte, and the cipher can be expected to run very quickly in software. Independent analysts have scrutinized the algorithm and it is considered secure.
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For current information on Ciphers used by the Altiris Agent, please refer to 150696 "Which cipher is used with TLS 1.2 in ITMS 7.6 HF7 or later?" and 150373 "Encryption level information for SMAgent to SMP, SMP to SQL, and SMP to AD"