Botan
1.11.15
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#include <filters.h>
Public Member Functions | |
virtual bool | attachable () |
void | end_msg () |
Hash_Filter (HashFunction *hash, size_t len=0) | |
Hash_Filter (const std::string &request, size_t len=0) | |
std::string | name () const |
virtual void | start_msg () |
void | write (const byte input[], size_t len) |
Protected Member Functions | |
virtual void | send (const byte in[], size_t length) |
void | send (byte in) |
void | send (const secure_vector< byte > &in) |
void | send (const std::vector< byte > &in) |
void | send (const secure_vector< byte > &in, size_t length) |
void | send (const std::vector< byte > &in, size_t length) |
Botan::Hash_Filter::Hash_Filter | ( | HashFunction * | hash, |
size_t | len = 0 |
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) | [inline] |
Construct a hash filter.
hash_fun | the hash function to use |
len | the output length of this filter. Leave the default value 0 if you want to use the full output of the hashfunction hash. Otherwise, specify a smaller value here so that the output of the hash algorithm will be cut off. |
Definition at line 112 of file filters.h.
: OUTPUT_LENGTH(len), m_hash(hash) {}
Botan::Hash_Filter::Hash_Filter | ( | const std::string & | request, |
size_t | len = 0 |
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) |
Construct a hash filter.
request | the name of the hash algorithm to use |
len | the output length of this filter. Leave the default value 0 if you want to use the full output of the hashfunction hash. Otherwise, specify a smaller value here so that the output of the hash algorithm will be cut off. |
Definition at line 79 of file algo_filt.cpp.
: OUTPUT_LENGTH(len) { m_hash.reset(Algo_Registry<HashFunction>::global_registry().make(algo_spec)); }
virtual bool Botan::Filter::attachable | ( | ) | [inline, virtual, inherited] |
Check whether this filter is an attachable filter.
Reimplemented in Botan::SecureQueue, and Botan::DataSink.
Definition at line 52 of file filter.h.
{ return true; }
void Botan::Hash_Filter::end_msg | ( | ) | [virtual] |
Notify that the current message is finished; flush buffers and do end-of-message processing (if any).
Reimplemented from Botan::Filter.
Definition at line 89 of file algo_filt.cpp.
References Botan::Filter::send().
std::string Botan::Hash_Filter::name | ( | ) | const [inline, virtual] |
Implements Botan::Filter.
Definition at line 102 of file filters.h.
References m_hash.
{ return m_hash->name(); }
void Botan::Filter::send | ( | const byte | in[], |
size_t | length | ||
) | [protected, virtual, inherited] |
in | some input for the filter |
length | the length of in |
Reimplemented in Botan::Threaded_Fork.
Definition at line 28 of file filter.cpp.
References Botan::Filter::write().
Referenced by Botan::Compression_Decompression_Filter::end_msg(), Botan::Hex_Encoder::end_msg(), Botan::Base64_Encoder::end_msg(), Botan::Hex_Decoder::end_msg(), Botan::Base64_Decoder::end_msg(), end_msg(), Botan::MAC_Filter::end_msg(), Botan::Compression_Decompression_Filter::flush(), Botan::Compression_Decompression_Filter::start_msg(), Botan::Compression_Decompression_Filter::write(), Botan::StreamCipher_Filter::write(), Botan::Hex_Decoder::write(), and Botan::Base64_Decoder::write().
{ if(!length) return; bool nothing_attached = true; for(size_t j = 0; j != total_ports(); ++j) if(next[j]) { if(write_queue.size()) next[j]->write(&write_queue[0], write_queue.size()); next[j]->write(input, length); nothing_attached = false; } if(nothing_attached) write_queue += std::make_pair(input, length); else write_queue.clear(); }
void Botan::Filter::send | ( | byte | in | ) | [inline, protected, inherited] |
in | some input for the filter |
Definition at line 65 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in, 1); }
void Botan::Filter::send | ( | const secure_vector< byte > & | in | ) | [inline, protected, inherited] |
in | some input for the filter |
Definition at line 70 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in[0], in.size()); }
void Botan::Filter::send | ( | const std::vector< byte > & | in | ) | [inline, protected, inherited] |
in | some input for the filter |
Definition at line 75 of file filter.h.
References Botan::Filter::send().
Referenced by Botan::Filter::send().
{ send(&in[0], in.size()); }
void Botan::Filter::send | ( | const secure_vector< byte > & | in, |
size_t | length | ||
) | [inline, protected, inherited] |
void Botan::Filter::send | ( | const std::vector< byte > & | in, |
size_t | length | ||
) | [inline, protected, inherited] |
virtual void Botan::Filter::start_msg | ( | ) | [inline, virtual, inherited] |
Start a new message. Must be closed by end_msg() before another message can be started.
Reimplemented in Botan::Compression_Decompression_Filter.
Definition at line 40 of file filter.h.
{}
void Botan::Hash_Filter::write | ( | const byte | input[], |
size_t | length | ||
) | [inline, virtual] |
Write a portion of a message to this filter.
input | the input as a byte array |
length | the length of the byte array input |
Implements Botan::Filter.
Definition at line 99 of file filters.h.
References m_hash.
{ m_hash->update(input, len); }