Talk:Stream cipher attacks

If K knows part of the message, then tehy can find that part of the key out anyway. They just have to xor the encyrtped message and the plaintext message.Hiiiiiiiiiiiiiiiiiiiii 21:21, 29 April 2006 (UTC) Yup. — Matt Crypto 23:39, 29 April 2006 (UTC) I'm not sure if you mean this or not but if you know part of the message you can extract info about the keystream not the key. If the cipher is secure you can't recover any info about the key itself. — Preceding unsigned comment added by 67.5.29.31 (talk) 16:54, 5 July 2012 (UTC)

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If K knows part of the message, then tehy can find that part of the key out anyway. They just have to xor the encyrtped message and the plaintext message.Hiiiiiiiiiiiiiiiiiiiii 21:21, 29 April 2006 (UTC)[reply]

Yup. — Matt Crypto 23:39, 29 April 2006 (UTC)[reply]

I'm not sure if you mean this or not but if you know part of the message you can extract info about the keystream not the key. If the cipher is secure you can't recover any info about the key itself. — Preceding unsigned comment added by 67.5.29.31 (talk) 16:54, 5 July 2012 (UTC)[reply]