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Δορυφορική, Επίγεια λήψη, IPTV και Τηλεπικοινωνίες
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<blockquote data-quote="malakudi" data-source="post: 1056016967" data-attributes="member: 9553"><p>To 3DES για κλωτσιές;</p><p></p><p>In general Triple DES with three independent keys has a key length of 168 bits (three 56-bit DES keys), but due to the meet-in-the-middle attack the effective security it provides is only 112 bits. Keying option 2 reduces the key size to 112 bits. However, this option is susceptible to certain chosen-plaintext or known-plaintext attacks and thus it is designated by NIST to have only 80 bits of security.</p><p></p><p>Οπότε έχοντας πολυπλοκότητα από 80 ως 112 bits, δε το λες για κλωτσιές. Δεν είναι AES, αλλά δεν είναι και DES.</p></blockquote><p></p>
[QUOTE="malakudi, post: 1056016967, member: 9553"] To 3DES για κλωτσιές; In general Triple DES with three independent keys has a key length of 168 bits (three 56-bit DES keys), but due to the meet-in-the-middle attack the effective security it provides is only 112 bits. Keying option 2 reduces the key size to 112 bits. However, this option is susceptible to certain chosen-plaintext or known-plaintext attacks and thus it is designated by NIST to have only 80 bits of security. Οπότε έχοντας πολυπλοκότητα από 80 ως 112 bits, δε το λες για κλωτσιές. Δεν είναι AES, αλλά δεν είναι και DES. [/QUOTE]
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