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<h1>DL_EncryptorBase< T > Class Template Reference</h1><code>#include <<a class="el" href="pubkey_8h-source.html">pubkey.h</a>></code>
<p>
<p>Inheritance diagram for DL_EncryptorBase< T >:
<p><center><img src="class_d_l___encryptor_base.png" usemap="#DL_EncryptorBase< T >_map" border="0" alt=""></center>
<map name="DL_EncryptorBase< T >_map">
<area href="class_d_l___crypto_system_base.html" alt="DL_CryptoSystemBase< PK_Encryptor, DL_PublicKey< T > >" shape="rect" coords="374,280,738,304">
<area href="class_p_k___encryptor.html" alt="PK_Encryptor" shape="rect" coords="187,224,551,248">
<area href="class_d_l___base.html" alt="DL_Base< DL_PublicKey< T > >" shape="rect" coords="561,224,925,248">
<area href="class_p_k___crypto_system.html" alt="PK_CryptoSystem" shape="rect" coords="0,168,364,192">
<area href="class_public_key_algorithm.html" alt="PublicKeyAlgorithm" shape="rect" coords="374,168,738,192">
<area href="class_asymmetric_algorithm.html" alt="AsymmetricAlgorithm" shape="rect" coords="374,112,738,136">
<area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="374,56,738,80">
<area href="class_clonable.html" alt="Clonable" shape="rect" coords="374,0,738,24">
</map>
<a href="class_d_l___encryptor_base-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class T><br>
class DL_EncryptorBase< T ></h3>
_
<p>
<p>
Definition at line <a class="el" href="pubkey_8h-source.html#l01219">1219</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>.<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___encryptor_basew0" doxytag="DL_EncryptorBase::Element" ></a>
typedef T </td><td class="memItemRight" valign=bottom><b>Element</b></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___encryptor_base.html#_d_l___encryptor_basea0">Encrypt</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, const byte *plaintext, unsigned int plaintextLength, byte *ciphertext, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &parameters=<a class="el" href="cryptlib_8h.html#a3">g_nullNameValuePairs</a>) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">encrypt a byte string <a href="#_d_l___encryptor_basea0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___crypto_system_base.html#_d_l___crypto_system_basea0">MaxPlaintextLength</a> (unsigned int ciphertextLength) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">maximum length of plaintext for a given ciphertext length <a href="#_d_l___crypto_system_basea0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___crypto_system_base.html#_d_l___crypto_system_basea1">CiphertextLength</a> (unsigned int plaintextLength) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">calculate length of ciphertext given length of plaintext <a href="#_d_l___crypto_system_basea1"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___crypto_system_base.html#_d_l___crypto_system_basea2">ParameterSupported</a> (const char *name) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">this object supports the use of the parameter with the given name <a href="#_d_l___crypto_system_basea2"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___encryptor.html#_two_bases_3_01_t_f___encryptor_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a6">CreateEncryptionFilter</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment=NULL, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &parameters=<a class="el" href="cryptlib_8h.html#a3">g_nullNameValuePairs</a>) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">create a new encryption filter <a href="#_two_bases_3_01_t_f___encryptor_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a6"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___crypto_system.html#_p_k___encryptora5">FixedCiphertextLength</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">return fixed ciphertext length, if one exists, otherwise return 0 <a href="#_p_k___encryptora5"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_p_k___encryptora6" doxytag="DL_EncryptorBase::FixedMaxPlaintextLength" ></a>
virtual unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="class_p_k___crypto_system.html#_p_k___encryptora6">FixedMaxPlaintextLength</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">return maximum plaintext length given the fixed ciphertext length, if one exists, otherwise return 0 <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a16" doxytag="DL_EncryptorBase::AccessMaterial" ></a>
<a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign=bottom><a class="el" href="class_public_key_algorithm.html#_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a16">AccessMaterial</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns a reference to the crypto material used by this object <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a17" doxytag="DL_EncryptorBase::GetMaterial" ></a>
const <a class="el" href="class_crypto_material.html">CryptoMaterial</a> & </td><td class="memItemRight" valign=bottom><a class="el" href="class_public_key_algorithm.html#_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a17">GetMaterial</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns a const reference to the crypto material used by this object <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a18" doxytag="DL_EncryptorBase::AccessPublicKey" ></a>
virtual <a class="el" href="class_public_key.html">PublicKey</a> & </td><td class="memItemRight" valign=bottom><b>AccessPublicKey</b> ()=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a19" doxytag="DL_EncryptorBase::GetPublicKey" ></a>
virtual const <a class="el" href="class_public_key.html">PublicKey</a> & </td><td class="memItemRight" valign=bottom><b>GetPublicKey</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha24" doxytag="DL_EncryptorBase::BERDecode" ></a>
void </td><td class="memItemRight" valign=bottom><a class="el" href="class_asymmetric_algorithm.html#_x_t_r___d_ha24">BERDecode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">for backwards compatibility, calls <a class="el" href="class_asymmetric_algorithm.html#_asymmetric_algorithma0">AccessMaterial()</a>.Load(bt) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a21" doxytag="DL_EncryptorBase::DEREncode" ></a>
void </td><td class="memItemRight" valign=bottom><a class="el" href="class_asymmetric_algorithm.html#_two_bases_3_01_t_f___verifier_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a21">DEREncode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">for backwards compatibility, calls GetMaterial().Save(bt) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_zlib_decompressora17" doxytag="DL_EncryptorBase::AlgorithmName" ></a>
virtual std::string </td><td class="memItemRight" valign=bottom><a class="el" href="class_algorithm.html#_zlib_decompressora17">AlgorithmName</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns name of this algorithm, not universally implemented yet <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_zlib_decompressora18" doxytag="DL_EncryptorBase::Clone" ></a>
virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="class_clonable.html#_zlib_decompressora18">Clone</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">this is not implemented by most classes yet <br><br></td></tr>
<tr><td colspan=2><br><h2>Protected Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_basex0" doxytag="DL_EncryptorBase::KeyInterface" ></a>
typedef <a class="el" href="class_d_l___public_key.html">DL_PublicKey</a>< T > </td><td class="memItemRight" valign=bottom><b>KeyInterface</b></td></tr>
<tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_baseb0" doxytag="DL_EncryptorBase::GetKeyAgreementAlgorithm" ></a>
virtual const <a class="el" href="class_d_l___key_agreement_algorithm.html">DL_KeyAgreementAlgorithm</a><<br>
Element > & </td><td class="memItemRight" valign=bottom><b>GetKeyAgreementAlgorithm</b> () const=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_baseb1" doxytag="DL_EncryptorBase::GetKeyDerivationAlgorithm" ></a>
virtual const <a class="el" href="class_d_l___key_derivation_algorithm.html">DL_KeyDerivationAlgorithm</a><<br>
Element > & </td><td class="memItemRight" valign=bottom><b>GetKeyDerivationAlgorithm</b> () const=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_baseb2" doxytag="DL_EncryptorBase::GetSymmetricEncryptionAlgorithm" ></a>
virtual const <a class="el" href="class_d_l___symmetric_encryption_algorithm.html">DL_SymmetricEncryptionAlgorithm</a> & </td><td class="memItemRight" valign=bottom><b>GetSymmetricEncryptionAlgorithm</b> () const=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_baseb3" doxytag="DL_EncryptorBase::GetAbstractGroupParameters" ></a>
const <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a><<br>
Element > & </td><td class="memItemRight" valign=bottom><b>GetAbstractGroupParameters</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_baseb4" doxytag="DL_EncryptorBase::AccessAbstractGroupParameters" ></a>
<a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< Element > & </td><td class="memItemRight" valign=bottom><b>AccessAbstractGroupParameters</b> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_baseb5" doxytag="DL_EncryptorBase::AccessKeyInterface" ></a>
virtual KeyInterface & </td><td class="memItemRight" valign=bottom><b>AccessKeyInterface</b> ()=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_d_l___crypto_system_baseb6" doxytag="DL_EncryptorBase::GetKeyInterface" ></a>
virtual const KeyInterface & </td><td class="memItemRight" valign=bottom><b>GetKeyInterface</b> () const=0</td></tr>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="_d_l___encryptor_basea0" doxytag="DL_EncryptorBase::Encrypt" ></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> void <a class="el" href="class_d_l___encryptor_base.html">DL_EncryptorBase</a>< T >::Encrypt </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> & </td>
<td class="mdname" nowrap> <em>rng</em>, </td>
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<td class="md" nowrap>const byte * </td>
<td class="mdname" nowrap> <em>plaintext</em>, </td>
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<td class="md" nowrap>unsigned int </td>
<td class="mdname" nowrap> <em>plaintextLength</em>, </td>
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<td class="md" nowrap>byte * </td>
<td class="mdname" nowrap> <em>ciphertext</em>, </td>
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<td class="md" nowrap>const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> & </td>
<td class="mdname" nowrap> <em>parameters</em> = <code><a class="el" href="cryptlib_8h.html#a3">g_nullNameValuePairs</a></code></td>
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<td class="md">) </td>
<td class="md" colspan="2"> const<code> [inline, virtual]</code></td>
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<p>
encrypt a byte string
<p>
<dl compact><dt><b>Precondition:</b></dt><dd><a class="el" href="class_p_k___crypto_system.html#_p_k___encryptora3">CiphertextLength(plaintextLength)</a> != 0 (i.e., plaintext isn't too long) <p>
size of ciphertext == <a class="el" href="class_p_k___crypto_system.html#_p_k___encryptora3">CiphertextLength(plaintextLength)</a></dd></dl>
<p>
Implements <a class="el" href="class_p_k___encryptor.html#_t_f___crypto_system_base_3_01_p_k___encryptor_00_01_t_f___base_3_01_randomized_trapdoor_function_00_01_p_k___encryption_message_encoding_method_01_4_01_4a5">PK_Encryptor</a>.
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Definition at line <a class="el" href="pubkey_8h-source.html#l01224">1224</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>. </td>
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<a class="anchor" name="_d_l___crypto_system_basea0" doxytag="DL_EncryptorBase::MaxPlaintextLength" ></a><p>
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<td class="md" nowrap valign="top"> unsigned int <a class="el" href="class_d_l___crypto_system_base.html">DL_CryptoSystemBase</a>< <a class="el" href="class_p_k___encryptor.html">PK_Encryptor</a> , <a class="el" href="class_d_l___public_key.html">DL_PublicKey</a>< T > >::MaxPlaintextLength </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">unsigned int </td>
<td class="mdname1" valign="top" nowrap> <em>ciphertextLength</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, virtual, inherited]</code></td>
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Implements <a class="el" href="class_p_k___crypto_system.html#_p_k___encryptora2">PK_CryptoSystem</a>.
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Definition at line <a class="el" href="pubkey_8h-source.html#l01160">1160</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>. </td>
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<a class="anchor" name="_d_l___crypto_system_basea1" doxytag="DL_EncryptorBase::CiphertextLength" ></a><p>
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<td class="md" nowrap valign="top"> unsigned int <a class="el" href="class_d_l___crypto_system_base.html">DL_CryptoSystemBase</a>< <a class="el" href="class_p_k___encryptor.html">PK_Encryptor</a> , <a class="el" href="class_d_l___public_key.html">DL_PublicKey</a>< T > >::CiphertextLength </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">unsigned int </td>
<td class="mdname1" valign="top" nowrap> <em>plaintextLength</em> </td>
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Implements <a class="el" href="class_p_k___crypto_system.html#_p_k___encryptora3">PK_CryptoSystem</a>.
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Definition at line <a class="el" href="pubkey_8h-source.html#l01166">1166</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>. </td>
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<a class="anchor" name="_d_l___crypto_system_basea2" doxytag="DL_EncryptorBase::ParameterSupported" ></a><p>
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<td class="md" nowrap valign="top"> bool <a class="el" href="class_d_l___crypto_system_base.html">DL_CryptoSystemBase</a>< <a class="el" href="class_p_k___encryptor.html">PK_Encryptor</a> , <a class="el" href="class_d_l___public_key.html">DL_PublicKey</a>< T > >::ParameterSupported </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const char * </td>
<td class="mdname1" valign="top" nowrap> <em>name</em> </td>
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Implements <a class="el" href="class_p_k___crypto_system.html#_p_k___fixed_length_crypto_system_impl_3_01_p_k___encryptor_01_4a6">PK_CryptoSystem</a>.
<p>
Definition at line <a class="el" href="pubkey_8h-source.html#l01172">1172</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>. </td>
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<a class="anchor" name="_two_bases_3_01_t_f___encryptor_base_00_01_public_key_copier_3_01_s_c_h_e_m_e___o_p_t_i_o_n_s_1_1_keys_01_4_01_4a6" doxytag="DL_EncryptorBase::CreateEncryptionFilter" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> * PK_Encryptor::CreateEncryptionFilter </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> & </td>
<td class="mdname" nowrap> <em>rng</em>, </td>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> * </td>
<td class="mdname" nowrap> <em>attachment</em> = <code>NULL</code>, </td>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> & </td>
<td class="mdname" nowrap> <em>parameters</em> = <code><a class="el" href="cryptlib_8h.html#a3">g_nullNameValuePairs</a></code></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const<code> [virtual, inherited]</code></td>
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<p>
create a new encryption filter
<p>
<dl compact><dt><b>Note:</b></dt><dd>The caller is responsible for deleting the returned pointer. <p>
Encoding parameters should be passed in the "EP" channel.</dd></dl>
<p>
Definition at line <a class="el" href="cryptlib_8cpp-source.html#l00564">564</a> of file <a class="el" href="cryptlib_8cpp-source.html">cryptlib.cpp</a>.
<p>
References <a class="el" href="cryptlib_8cpp-source.html#l00564">PK_Encryptor::CreateEncryptionFilter()</a>.
<p>
Referenced by <a class="el" href="cryptlib_8cpp-source.html#l00564">PK_Encryptor::CreateEncryptionFilter()</a>. </td>
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<a class="anchor" name="_p_k___encryptora5" doxytag="DL_EncryptorBase::FixedCiphertextLength" ></a><p>
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<td class="md" nowrap valign="top"> virtual unsigned int PK_CryptoSystem::FixedCiphertextLength </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, virtual, inherited]</code></td>
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<p>
return fixed ciphertext length, if one exists, otherwise return 0
<p>
<dl compact><dt><b>Note:</b></dt><dd>"Fixed" here means length of ciphertext does not depend on length of plaintext. It usually does depend on the key length. </dd></dl>
<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l01129">1129</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
<p>
Referenced by <a class="el" href="pubkey_8cpp-source.html#l00106">TF_DecryptorBase::Decrypt()</a>, and <a class="el" href="pubkey_8cpp-source.html#l00116">TF_EncryptorBase::Encrypt()</a>. </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="pubkey_8h-source.html">pubkey.h</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Sun Nov 7 08:24:02 2004 for Crypto++ by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.7 </small></address>
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