Botan
1.11.15
|
#include <hex_filt.h>
Public Member Functions | |
virtual bool | attachable () |
void | end_msg () |
Hex_Decoder (Decoder_Checking checking=NONE) | |
std::string | name () const |
virtual void | start_msg () |
void | write (const byte[], size_t) |
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) |
Converts hex strings to bytes
Definition at line 59 of file hex_filt.h.
Botan::Hex_Decoder::Hex_Decoder | ( | Decoder_Checking | checking = NONE | ) |
Construct a Hex Decoder using the specified character checking.
checking | the checking to use during decoding. |
Definition at line 110 of file hex_filt.cpp.
References Botan::HEX_CODEC_BUFFER_SIZE.
: checking(c) { in.resize(HEX_CODEC_BUFFER_SIZE); out.resize(in.size() / 2); position = 0; }
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::Hex_Decoder::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 153 of file hex_filt.cpp.
References Botan::FULL_CHECK, Botan::hex_decode(), and Botan::Filter::send().
{ size_t consumed = 0; size_t written = hex_decode(&out[0], reinterpret_cast<const char*>(&in[0]), position, consumed, checking != FULL_CHECK); send(out, written); const bool not_full_bytes = consumed != position; position = 0; if(not_full_bytes) throw std::invalid_argument("Hex_Decoder: Input not full bytes"); }
std::string Botan::Hex_Decoder::name | ( | ) | const [inline, virtual] |
Implements Botan::Filter.
Definition at line 62 of file hex_filt.h.
{ return "Hex_Decoder"; }
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(), end_msg(), Botan::Base64_Decoder::end_msg(), Botan::Hash_Filter::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(), 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::Hex_Decoder::write | ( | const byte | input[], |
size_t | length | ||
) | [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 120 of file hex_filt.cpp.
References Botan::copy_mem(), Botan::FULL_CHECK, Botan::hex_decode(), and Botan::Filter::send().
{ while(length) { size_t to_copy = std::min<size_t>(length, in.size() - position); copy_mem(&in[position], input, to_copy); position += to_copy; size_t consumed = 0; size_t written = hex_decode(&out[0], reinterpret_cast<const char*>(&in[0]), position, consumed, checking != FULL_CHECK); send(out, written); if(consumed != position) { copy_mem(&in[0], &in[consumed], position - consumed); position = position - consumed; } else position = 0; length -= to_copy; input += to_copy; } }