Description:
Cryptography, cryptanalysis, and related issues. (Moderated)
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Crypto'09 Rump session to be webcast
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The first Crypto rump session took place in 1981 and was immediately heralded as the most important meeting in cryptography. Each subsequent Crypto rump session has reached a new level of historical significance, outstripped only by the Crypto rump sessions that followed it. The Crypto2009[1] Rump Session[2] will be broadcast live[3] starting... more »
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AES question
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Hi all, At a system there are 2 black box AES engines AES1 is installed with a key, K; the other, AES2 is installed with the key Not(K). AES1 provides interfaces for both encryption and decryption operations. AES2 interface is the following: void decrypt(byte* data_to_decrypt) - it recieves data and decrypts it but it does not output the decrypted... more »
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Simple cipher idea
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...First and foremost, posting code is a very bad way of trying to publish a specification. Second, the code is written horribly, so I, like everyone else, is not going to bother going through it. So I'm going to make the most likely pronunciation, it is weak against linear and differential attacks.... more »
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cipher of historical interest
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Hello I have little detailed knowledge of cryptography, but in my research I have encountered a ciphered text that is of great historical interest and would like some assistance or suggestions about how to go about decoding it. I'd be very grateful for any help or pointers to other mailing lists, sources of... more »
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Solving B from h(A || P) with h = MD5
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On the code-base I am working with I came across a method to create one-off authentication URIs with format OneOff(A) = A || h(A || P) where A is the requested URI with username and other information and P that user's password. I am now wondering that is there a way to crack this sort of scheme faster than using brute-force? What I've gathered from different... more »
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security model for broadcast encryption
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Hi, everyone. I've interested in the broadcast encryption schemes. And now, I'm thinking about the sender authentication in the broadcast encryption. That subject is about how to we authenticate the broadcaster in the environment with several broadcast senders, For example, a malicious attacker first legitimately join the group... more »
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Draft paper submission deadline extended: ISP-09
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Draft paper submission deadline extended: ISP-09 The deadline for draft paper submission at the 2009 International Conference on Information Security and Privacy (ISP-09) (website: [link] ) is extended due to numerous requests from the authors. The conference will be held during July 13-16 2009... more »
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