1. More Entropy, Please

    This was originally a story written to my imaginary/sworn(?) elder sister and her daughter in Singapore.

    It began with "Hello, ..., It's long time since..."

    NOTE: In this article, we discuss a possible side channel attack (of gniibe). Although we discuss the vulnerability by an …

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  2. How can I install NeuG on FST-01 with Gnuk 1.0.1?

    Q: I got another FST-01 with Gnuk 1.0.1 installed. As I need hardware random number generator (instead of another Gnuk Token), I want to use this FST-01 with NeuG overriding Gnuk. How can I install NeuG? Do I need SWD debugger?


    SWD debugger is not the absolute …

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  3. 公開鍵暗号の鍵を GnuPG で統一的に管理する

    Gnuk Token の研究開発を進めて、現在、僕は、Gnuk Tokenに入れたOpenPGPの認証鍵を、以下の3つの用途に使っています。

    • OpenSSHの鍵 (常用)

      あまり知られてなく、Gnuk Token や smartcard を使わない場合は、まだ若干面 …

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  4. Running NIST STS 2.1.1 on NeuG True RNG (4)

    NeuG 1.0 was released.

    With standalone NeuG device of FST-01, I gathered 500 files of 125MB (=1,000,000,000 bits, that is for 1,000 samples of 1,000,000-bit sequence).

    Then, I ran the test suite over 500 files, while a single file has 125MB. All parameters …

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