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<h1>default.h</h1><pre class="fragment"><div>00001 <span class="preprocessor">#ifndef CRYPTOPP_DEFAULT_H</span>
00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_DEFAULT_H</span>
00003 <span class="preprocessor"></span>
00004 <span class="preprocessor">#include "sha.h"</span>
00005 <span class="preprocessor">#include "hmac.h"</span>
00006 <span class="preprocessor">#include "<a class="code" href="des_8h.html">des.h</a>"</span>
00007 <span class="preprocessor">#include "filters.h"</span>
00008 <span class="preprocessor">#include "<a class="code" href="modes_8h.html">modes.h</a>"</span>
00009
00010 NAMESPACE_BEGIN(CryptoPP)
00011
00012 typedef <a class="code" href="class_d_e_s___e_d_e2.html">DES_EDE2</a> <a class="code" href="class_d_e_s___e_d_e2.html">Default_BlockCipher</a>;
00013 typedef <a class="code" href="class_s_h_a.html">SHA</a> <a class="code" href="class_s_h_a.html">DefaultHashModule</a>;
00014 typedef <a class="code" href="class_h_m_a_c.html">HMAC</a><DefaultHashModule> <a class="code" href="class_h_m_a_c.html">DefaultMAC</a>;
00015 <span class="comment"></span>
00016 <span class="comment">//! Password-Based Encryptor using DES-EDE2</span>
<a name="l00017"></a><a class="code" href="class_default_encryptor.html">00017</a> <span class="comment"></span>class <a class="code" href="class_default_encryptor.html">DefaultEncryptor</a> : public <a class="code" href="class_proxy_filter.html">ProxyFilter</a>
00018 {
00019 <span class="keyword">public</span>:
00020 <a class="code" href="class_default_encryptor.html">DefaultEncryptor</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL);
00021 <a class="code" href="class_default_encryptor.html">DefaultEncryptor</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> passphraseLength, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL);
00022
00023 <span class="keyword">protected</span>:
00024 <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *);
00025 <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00026
00027 <span class="keyword">private</span>:
00028 <a class="code" href="class_sec_block.html">SecByteBlock</a> m_passphrase;
00029 <a class="code" href="struct_c_b_c___mode.html">CBC_Mode<Default_BlockCipher></a>::Encryption m_cipher;
00030 };
00031 <span class="comment"></span>
00032 <span class="comment">//! Password-Based Decryptor using DES-EDE2</span>
<a name="l00033"></a><a class="code" href="class_default_decryptor.html">00033</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_default_decryptor.html">DefaultDecryptor</a> : <span class="keyword">public</span> <a class="code" href="class_proxy_filter.html">ProxyFilter</a>
00034 {
00035 <span class="keyword">public</span>:
00036 <a class="code" href="class_default_decryptor.html">DefaultDecryptor</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
00037 <a class="code" href="class_default_decryptor.html">DefaultDecryptor</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> passphraseLength, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
00038
00039 <span class="keyword">class </span>Err : <span class="keyword">public</span> <a class="code" href="class_exception.html">Exception</a>
00040 {
00041 <span class="keyword">public</span>:
00042 Err(<span class="keyword">const</span> std::string &s)
00043 : <a class="code" href="class_exception.html">Exception</a>(DATA_INTEGRITY_CHECK_FAILED, s) {}
00044 };
00045 <span class="keyword">class </span>KeyBadErr : <span class="keyword">public</span> Err {<span class="keyword">public</span>: KeyBadErr() : Err(<span class="stringliteral">"DefaultDecryptor: cannot decrypt message with this passphrase"</span>) {}};
00046
00047 <span class="keyword">enum</span> State {WAITING_FOR_KEYCHECK, KEY_GOOD, KEY_BAD};
00048 State CurrentState()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_state;}
00049
00050 <span class="keyword">protected</span>:
00051 <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *inString);
00052 <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00053
00054 State m_state;
00055
00056 <span class="keyword">private</span>:
00057 <span class="keywordtype">void</span> CheckKey(<span class="keyword">const</span> byte *salt, <span class="keyword">const</span> byte *keyCheck);
00058
00059 <a class="code" href="class_sec_block.html">SecByteBlock</a> m_passphrase;
00060 <a class="code" href="struct_c_b_c___mode.html">CBC_Mode<Default_BlockCipher></a>::Decryption m_cipher;
00061 member_ptr<FilterWithBufferedInput> m_decryptor;
00062 <span class="keywordtype">bool</span> m_throwException;
00063 };
00064 <span class="comment"></span>
00065 <span class="comment">//! Password-Based Encryptor using DES-EDE2 and HMAC/SHA-1</span>
<a name="l00066"></a><a class="code" href="class_default_encryptor_with_m_a_c.html">00066</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_default_encryptor_with_m_a_c.html">DefaultEncryptorWithMAC</a> : <span class="keyword">public</span> <a class="code" href="class_proxy_filter.html">ProxyFilter</a>
00067 {
00068 <span class="keyword">public</span>:
00069 <a class="code" href="class_default_encryptor_with_m_a_c.html">DefaultEncryptorWithMAC</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL);
00070 <a class="code" href="class_default_encryptor_with_m_a_c.html">DefaultEncryptorWithMAC</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> passphraseLength, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL);
00071
00072 <span class="keyword">protected</span>:
00073 <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *inString) {}
00074 <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00075
00076 <span class="keyword">private</span>:
00077 member_ptr<DefaultMAC> m_mac;
00078 };
00079 <span class="comment"></span>
00080 <span class="comment">//! Password-Based Decryptor using DES-EDE2 and HMAC/SHA-1</span>
<a name="l00081"></a><a class="code" href="class_default_decryptor_with_m_a_c.html">00081</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_default_decryptor_with_m_a_c.html">DefaultDecryptorWithMAC</a> : <span class="keyword">public</span> <a class="code" href="class_proxy_filter.html">ProxyFilter</a>
00082 {
00083 <span class="keyword">public</span>:
00084 <span class="keyword">class </span>MACBadErr : <span class="keyword">public</span> <a class="code" href="class_default_decryptor.html">DefaultDecryptor</a>::Err {<span class="keyword">public</span>: MACBadErr() : DefaultDecryptor::Err(<span class="stringliteral">"DefaultDecryptorWithMAC: MAC check failed"</span>) {}};
00085
00086 <a class="code" href="class_default_decryptor_with_m_a_c.html">DefaultDecryptorWithMAC</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
00087 <a class="code" href="class_default_decryptor_with_m_a_c.html">DefaultDecryptorWithMAC</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> passphraseLength, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
00088
00089 DefaultDecryptor::State CurrentState() <span class="keyword">const</span>;
00090 <span class="keywordtype">bool</span> CheckLastMAC() <span class="keyword">const</span>;
00091
00092 <span class="keyword">protected</span>:
00093 <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *inString) {}
00094 <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00095
00096 <span class="keyword">private</span>:
00097 member_ptr<DefaultMAC> m_mac;
00098 <a class="code" href="class_hash_verification_filter.html">HashVerifier</a> *m_hashVerifier;
00099 <span class="keywordtype">bool</span> m_throwException;
00100 };
00101
00102 NAMESPACE_END
00103
00104 <span class="preprocessor">#endif</span>
</div></pre><hr size="1"><address style="align: right;"><small>Generated on Sun Nov 7 08:23:57 2004 for Crypto++ by
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