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new idea for random number generation
- Subject: new idea for random number generation
- From: jdb10987 at yahoo.com (jim bell)
- Date: Mon, 25 Sep 2017 06:38:54 +0000 (UTC)
- In-reply-to: <CAMjeLr9maCDSwnBK-wfXG=ZPhQhdovLjmwa6d2TFDHspktW-hw@mail.gmail.com>
- References: <CAMjeLr_MUhL-Q89DJHx6UrBjsHjzWd2QGXYjKatYXbj=Aw3Z-A@mail.gmail.com> <[email protected]> <CAMjeLr8mUFbabJsjuRAnesxQZ-0_hYtsLXK4UnW+kOQWRm0YTw@mail.gmail.com> <[email protected]> <CAMjeLr_pMmxennCo5Dy3VLJFD9VLN=p544hv7OWkik78XTsORg@mail.gmail.com> <[email protected]> <CAMjeLr9maCDSwnBK-wfXG=ZPhQhdovLjmwa6d2TFDHspktW-hw@mail.gmail.com>
On Sunday, September 24, 2017, 3:25:10 PM PDT, \0xDynamite <dreamingforward at gmail.com> wrote:
On 8/4/17, jim bell <jdb10987 at yahoo.com> wrote:
>> "Vernam cipher"
>YES! That is the cipher. I can't believe I forgot the name of it.
Geez, I'm just re-realizing all of my undergrad training.
>AFAICT, it is UNBREAKABLE if the keysize is at least half the size of
your plaintext.>Marxos
My understanding is that the keysize ought to be as long as the message to be encrypted. Â
And yes, it is unbreakable... Â UNLESS you try to reuse the keys!!! Â Google-search the word "Venona" to learn more.
       Jim Bell
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