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<h1>panama.h</h1><pre class="fragment"><div>00001 <span class="preprocessor">#ifndef CRYPTOPP_PANAMA_H</span>
00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_PANAMA_H</span>
00003 <span class="preprocessor"></span>
00004 <span class="preprocessor">#include "seckey.h"</span>
00005 <span class="preprocessor">#include "secblock.h"</span>
00006 <span class="preprocessor">#include "iterhash.h"</span>
00007 <span class="preprocessor">#include "<a class="code" href="strciphr_8h.html">strciphr.h</a>"</span>
00008
00009 NAMESPACE_BEGIN(CryptoPP)
00010
00011 <span class="comment">/// base class, do not use directly</span>
00012 <span class="comment"></span>template <class B>
<a name="l00013"></a><a class="code" href="class_panama.html">00013</a> class CRYPTOPP_NO_VTABLE <a class="code" href="class_panama.html">Panama</a>
00014 {
00015 <span class="keyword">public</span>:
00016 <span class="keywordtype">void</span> Reset();
00017 <span class="keywordtype">void</span> Iterate(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count, <span class="keyword">const</span> word32 *p=NULL, word32 *z=NULL, <span class="keyword">const</span> word32 *y=NULL);
00018
00019 <span class="keyword">protected</span>:
00020 <span class="keyword">typedef</span> word32 Stage[8];
00021 <span class="keyword">enum</span> {STAGES = 32};
00022
00023 FixedSizeSecBlock<word32, 17*2 + STAGES*sizeof(Stage)> m_state;
00024 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_bstart;
00025 };
00026 <span class="comment"></span>
00027 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/md.html#Panama">Panama Hash</a></span>
00028 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B = LittleEndian>
<a name="l00029"></a><a class="code" href="class_panama_hash.html">00029</a> <span class="keyword">class </span><a class="code" href="class_panama_hash.html">PanamaHash</a> : <span class="keyword">protected</span> <a class="code" href="class_panama.html">Panama</a><B>, <span class="keyword">public</span> <a class="code" href="class_algorithm_impl.html">AlgorithmImpl</a><IteratedHash<word32, NativeByteOrder, 32>, PanamaHash<B> >
00030 {
00031 <span class="keyword">public</span>:
00032 <span class="keyword">enum</span> {DIGESTSIZE = 32};
00033 <a class="code" href="class_panama_hash.html">PanamaHash</a>() {<a class="code" href="class_panama.html">Panama<B>::Reset</a>();}
<a name="l00034"></a><a class="code" href="class_panama_hash.html#_panama_hasha1">00034</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_panama_hash.html#_panama_hasha1">DigestSize</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> DIGESTSIZE;}
00035 <span class="keywordtype">void</span> TruncatedFinal(byte *hash, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size);
00036 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * StaticAlgorithmName() {<span class="keywordflow">return</span> B::ToEnum() == BIG_ENDIAN_ORDER ? <span class="stringliteral">"Panama-BE"</span> : <span class="stringliteral">"Panama-LE"</span>;}
00037
00038 <span class="keyword">protected</span>:
00039 <span class="keywordtype">void</span> Init() {<a class="code" href="class_panama.html">Panama<B>::Reset</a>();}
00040 <span class="keywordtype">void</span> HashEndianCorrectedBlock(<span class="keyword">const</span> word32 *data) {this->Iterate(1, data);} <span class="comment">// push</span>
00041 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> HashMultipleBlocks(<span class="keyword">const</span> word32 *input, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00042 };
00043 <span class="comment"></span>
00044 <span class="comment">//! MAC construction using a hermetic hash function</span>
00045 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T_Hash, <span class="keyword">class</span> T_Info = T_Hash>
<a name="l00046"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html">00046</a> <span class="keyword">class </span><a class="code" href="class_hermetic_hash_function_m_a_c.html">HermeticHashFunctionMAC</a> : <span class="keyword">public</span> <a class="code" href="class_algorithm_impl.html">AlgorithmImpl</a><SimpleKeyingInterfaceImpl<TwoBases<MessageAuthenticationCode, VariableKeyLength<32, 0, UINT_MAX> > >, T_Info>
00047 {
00048 <span class="keyword">public</span>:
<a name="l00049"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca0">00049</a> <span class="keywordtype">void</span> SetKey(<span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &params = g_nullNameValuePairs)
00050 {
00051 m_key.<a class="code" href="class_sec_block.html#_sec_block_with_hinta17">Assign</a>(key, length);
00052 <a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca1">Restart</a>();
00053 }
00054
<a name="l00055"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca1">00055</a> <span class="keywordtype">void</span> <a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca1">Restart</a>()
00056 {
00057 m_hash.Restart();
00058 m_keyed = <span class="keyword">false</span>;
00059 }
00060
<a name="l00061"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca2">00061</a> <span class="keywordtype">void</span> Update(<span class="keyword">const</span> byte *input, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)
00062 {
00063 <span class="keywordflow">if</span> (!m_keyed)
00064 KeyHash();
00065 m_hash.Update(input, length);
00066 }
00067
<a name="l00068"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca3">00068</a> <span class="keywordtype">void</span> TruncatedFinal(byte *digest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> digestSize)
00069 {
00070 <span class="keywordflow">if</span> (!m_keyed)
00071 KeyHash();
00072 m_hash.TruncatedFinal(digest, digestSize);
00073 m_keyed = <span class="keyword">false</span>;
00074 }
00075
<a name="l00076"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca4">00076</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca4">DigestSize</a>()<span class="keyword"> const</span>
00077 <span class="keyword"> </span>{<span class="keywordflow">return</span> m_hash.DigestSize();}
<a name="l00078"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca5">00078</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca5">BlockSize</a>()<span class="keyword"> const</span>
00079 <span class="keyword"> </span>{<span class="keywordflow">return</span> m_hash.BlockSize();}
<a name="l00080"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca6">00080</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca6">OptimalBlockSize</a>()<span class="keyword"> const</span>
00081 <span class="keyword"> </span>{<span class="keywordflow">return</span> m_hash.OptimalBlockSize();}
<a name="l00082"></a><a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca7">00082</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_hermetic_hash_function_m_a_c.html#_hermetic_hash_function_m_a_ca7">OptimalDataAlignment</a>()<span class="keyword"> const</span>
00083 <span class="keyword"> </span>{<span class="keywordflow">return</span> m_hash.OptimalDataAlignment();}
00084
00085 <span class="keyword">protected</span>:
00086 <span class="keywordtype">void</span> KeyHash()
00087 {
00088 m_hash.Update(m_key, m_key.<a class="code" href="class_sec_block.html#_sec_block_with_hinta15">size</a>());
00089 m_keyed = <span class="keyword">true</span>;
00090 }
00091
00092 T_Hash m_hash;
00093 <span class="keywordtype">bool</span> m_keyed;
00094 <a class="code" href="class_sec_block.html">SecByteBlock</a> m_key;
00095 };
00096 <span class="comment"></span>
00097 <span class="comment">/// Panama MAC</span>
00098 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B = LittleEndian>
<a name="l00099"></a><a class="code" href="class_panama_m_a_c.html">00099</a> <span class="keyword">class </span><a class="code" href="class_panama_m_a_c.html">PanamaMAC</a> : <span class="keyword">public</span> <a class="code" href="class_hermetic_hash_function_m_a_c.html">HermeticHashFunctionMAC</a><PanamaHash<B> >
00100 {
00101 <span class="keyword">public</span>:
00102 <a class="code" href="class_panama_m_a_c.html">PanamaMAC</a>() {}
00103 <a class="code" href="class_panama_m_a_c.html">PanamaMAC</a>(<span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)
00104 {this->SetKey(key, length);}
00105 };
00106 <span class="comment"></span>
00107 <span class="comment">//! algorithm info</span>
00108 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B>
<a name="l00109"></a><a class="code" href="struct_panama_cipher_info.html">00109</a> <span class="keyword">struct </span><a class="code" href="struct_panama_cipher_info.html">PanamaCipherInfo</a> : <span class="keyword">public</span> <a class="code" href="class_variable_key_length.html">VariableKeyLength</a><32, 32, 64, 32, SimpleKeyingInterface::NOT_RESYNCHRONIZABLE>
00110 {
00111 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * StaticAlgorithmName() {<span class="keywordflow">return</span> B::ToEnum() == BIG_ENDIAN_ORDER ? <span class="stringliteral">"Panama-BE"</span> : <span class="stringliteral">"Panama-LE"</span>;}
00112 };
00113 <span class="comment"></span>
00114 <span class="comment">//! _</span>
00115 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B>
<a name="l00116"></a><a class="code" href="class_panama_cipher_policy.html">00116</a> <span class="keyword">class </span><a class="code" href="class_panama_cipher_policy.html">PanamaCipherPolicy</a> : <span class="keyword">public</span> AdditiveCipherConcretePolicy<word32, 8>,
00117 <span class="keyword">public</span> <a class="code" href="struct_panama_cipher_info.html">PanamaCipherInfo</a><B>,
00118 <span class="keyword">protected</span> <a class="code" href="class_panama.html">Panama</a><B>
00119 {
00120 <span class="keyword">protected</span>:
00121 <span class="keywordtype">void</span> CipherSetKey(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &params, <span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00122 <span class="keywordtype">void</span> OperateKeystream(KeystreamOperation operation, byte *output, <span class="keyword">const</span> byte *input, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iterationCount);
00123 <span class="keywordtype">bool</span> IsRandomAccess()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">false</span>;}
00124 };
00125 <span class="comment"></span>
00126 <span class="comment">//! <a href="http://www.weidai.com/scan-mirror/cs.html#Panama">Panama Stream Cipher</a></span>
00127 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B = LittleEndian>
<a name="l00128"></a><a class="code" href="struct_panama_cipher.html">00128</a> <span class="keyword">struct </span><a class="code" href="struct_panama_cipher.html">PanamaCipher</a> : <span class="keyword">public</span> <a class="code" href="struct_panama_cipher_info.html">PanamaCipherInfo</a><B>, <span class="keyword">public</span> <a class="code" href="struct_symmetric_cipher_documentation.html">SymmetricCipherDocumentation</a>
00129 {
<a name="l00130"></a><a class="code" href="struct_panama_cipher.html#_panama_cipherw0">00130</a> <span class="keyword">typedef</span> <a class="code" href="class_symmetric_cipher_final.html">SymmetricCipherFinal<ConcretePolicyHolder<PanamaCipherPolicy<B></a>, AdditiveCipherTemplate<> > > <a class="code" href="class_symmetric_cipher_final.html">Encryption</a>;
<a name="l00131"></a><a class="code" href="struct_panama_cipher.html#_panama_cipherw1">00131</a> <span class="keyword">typedef</span> <a class="code" href="class_symmetric_cipher_final.html">Encryption</a> <a class="code" href="class_symmetric_cipher_final.html">Decryption</a>;
00132 };
00133
00134 NAMESPACE_END
00135
00136 <span class="preprocessor">#endif</span>
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