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  <author_name>winebarrel</author_name>
  <author_url>https://blog.hatena.ne.jp/winebarrel/</author_url>
  <blog_title>so what</blog_title>
  <blog_url>https://so-wh.at/</blog_url>
  <categories>
    <anon>RUBY</anon>
  </categories>
  <description>AEC-CBSの初期ベクトルのデフォルト値が気になったので、少し調べる。 http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8_6/ext/openssl/ossl_cipher.c?revision=12043&amp;view=markup static VALUE ossl_cipher_init(int argc, VALUE *argv, VALUE self, int mode) { EVP_CIPHER_CTX *ctx; unsigned char key[EVP_MAX_KEY_LENGTH], *p_key = …</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2008-11-04 00:00:03</published>
  <title> OpenSSL: AEC-CBCの初期ベクトル</title>
  <type>rich</type>
  <url>https://so-wh.at/entry/20081104/p5</url>
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