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On Saturday 20 May 2006 22:47, Robin H. Johnson wrote: |
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> The basic form of it, is a vulnerability towards a class of attacks that |
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> require a large supply of signed/encrypted material. |
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> For a primer on various modes of using block ciphers, see |
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> Wikipedia: http://tinyurl.com/bbcmf |
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> |
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> It's conceivable that (and this is the absolute worst case), under this |
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> class of attack, a lot of signing may ultimately reveal bits of your |
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> key, because the attacker has both the plaintext and ciphertext, and can |
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> ultimately compute it - this can either be brute-force, or |
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> mathematically (consider it solving algebra). |
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|
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Once one developer has been compromised, there is even a chosen plaintext |
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attack path. Making it even worse. |
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Paul |
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|
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-- |
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Paul de Vrieze |
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Gentoo Developer |
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Mail: pauldv@g.o |
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Homepage: http://www.devrieze.net |
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