Timeline for How is a per round key generated in DES algorithm?
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
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| Nov 4, 2021 at 15:00 | history | tweeted | twitter.com/StackCrypto/status/1456275072021368832 | ||
| Nov 4, 2021 at 9:40 | comment | added | Naimat ullah khan | The position of bits in PC-2 permutation is arrange already in the algorithm but we need to understand that the bits are some times reduce and some time extended.basically the main concept of the Des is structure of key generation and the round s.boxes Thank you | |
| Apr 27, 2016 at 16:57 | history | edited | e-sushi | CC BY-SA 3.0 |
Converted imgur image links from HTTP to HTTPS to avoid mixed content warnings…
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| Feb 25, 2016 at 6:26 | vote | accept | Rowen McDaniel | ||
| Feb 24, 2016 at 20:13 | comment | added | fgrieu♦ | Related question. | |
| Feb 24, 2016 at 13:55 | answer | added | Mehran Torki | timeline score: 4 | |
| Feb 24, 2016 at 6:52 | comment | added | Rowen McDaniel |
I'm still not really understanding this, DES was a topic that we covered in class recently. I just wanted to know where the 14 in C_i came from.
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| Feb 24, 2016 at 1:31 | comment | added | user1430 | keytab.c, keytab -s outputs key tables shown as CD reg bits shows the round keys, which have 24 of 28 bits derived independently from each of C and D via PC2 (Permuted Choice 2). Was written to replicate tables found in Metyas and Meyers Cryptography. See DES Key Schedule Algorithm | |
| Feb 24, 2016 at 1:10 | review | First posts | |||
| Feb 24, 2016 at 7:45 | |||||
| Feb 24, 2016 at 1:07 | history | asked | Rowen McDaniel | CC BY-SA 3.0 |