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diff --git a/OpenSSL/KDF.html b/OpenSSL/KDF.html index 0df19309..03c095fd 100644 --- a/OpenSSL/KDF.html +++ b/OpenSSL/KDF.html @@ -179,6 +179,16 @@ <p>The hash function.</p> </dd></dl> +<h3 id="method-c-hkdf-label-Example">Example<span><a href="#method-c-hkdf-label-Example">¶</a> <a href="#top">↑</a></span></h3> + +<pre class="ruby"><span class="ruby-comment"># The values from https://datatracker.ietf.org/doc/html/rfc5869#appendix-A.1</span> +<span class="ruby-identifier">ikm</span> = [<span class="ruby-string">"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"</span>].<span class="ruby-identifier">pack</span>(<span class="ruby-string">"H*"</span>) +<span class="ruby-identifier">salt</span> = [<span class="ruby-string">"000102030405060708090a0b0c"</span>].<span class="ruby-identifier">pack</span>(<span class="ruby-string">"H*"</span>) +<span class="ruby-identifier">info</span> = [<span class="ruby-string">"f0f1f2f3f4f5f6f7f8f9"</span>].<span class="ruby-identifier">pack</span>(<span class="ruby-string">"H*"</span>) +<span class="ruby-identifier">p</span> <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">KDF</span>.<span class="ruby-identifier">hkdf</span>(<span class="ruby-identifier">ikm</span>, <span class="ruby-value">salt:</span> <span class="ruby-identifier">salt</span>, <span class="ruby-value">info:</span> <span class="ruby-identifier">info</span>, <span class="ruby-value">length:</span> <span class="ruby-value">42</span>, <span class="ruby-value">hash:</span> <span class="ruby-string">"SHA256"</span>).<span class="ruby-identifier">unpack1</span>(<span class="ruby-string">"H*"</span>) +<span class="ruby-comment"># => "3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865"</span> +</pre> + <div class="method-source-code" id="hkdf-source"> <pre>static VALUE kdf_hkdf(int argc, VALUE *argv, VALUE self) |