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authorlloyd <[email protected]>2009-11-17 07:19:37 +0000
committerlloyd <[email protected]>2009-11-17 07:19:37 +0000
commite00b46cf9c1dcb364ebb7d5968d6ff9dcd600c4e (patch)
tree8ffb8d032f06bbcb7ab376c7469751a25b556dca /src/codec/base64/base64.cpp
parenta98a9ff5f95bd4dca9c1eda11e27e712c869cd66 (diff)
Move most code that relies heavily on Filters into src/filters.
Remove support for (unused) modset settings. Move tss, fpe, cryptobox, and aont to new dir constructs
Diffstat (limited to 'src/codec/base64/base64.cpp')
-rw-r--r--src/codec/base64/base64.cpp228
1 files changed, 0 insertions, 228 deletions
diff --git a/src/codec/base64/base64.cpp b/src/codec/base64/base64.cpp
deleted file mode 100644
index 9110dc57e..000000000
--- a/src/codec/base64/base64.cpp
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
-* Base64 Encoder/Decoder
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/base64.h>
-#include <botan/charset.h>
-#include <botan/exceptn.h>
-#include <algorithm>
-
-namespace Botan {
-
-/*
-* Base64_Encoder Constructor
-*/
-Base64_Encoder::Base64_Encoder(bool breaks, u32bit length, bool t_n) :
- line_length(breaks ? length : 0), trailing_newline(t_n)
- {
- in.resize(48);
- out.resize(4);
-
- counter = position = 0;
- }
-
-/*
-* Base64 Encoding Operation
-*/
-void Base64_Encoder::encode(const byte in[3], byte out[4])
- {
- out[0] = BIN_TO_BASE64[((in[0] & 0xFC) >> 2)];
- out[1] = BIN_TO_BASE64[((in[0] & 0x03) << 4) | (in[1] >> 4)];
- out[2] = BIN_TO_BASE64[((in[1] & 0x0F) << 2) | (in[2] >> 6)];
- out[3] = BIN_TO_BASE64[((in[2] & 0x3F) )];
- }
-
-/*
-* Encode and send a block
-*/
-void Base64_Encoder::encode_and_send(const byte block[], u32bit length)
- {
- for(u32bit j = 0; j != length; j += 3)
- {
- encode(block + j, out);
- do_output(out, 4);
- }
- }
-
-/*
-* Handle the output
-*/
-void Base64_Encoder::do_output(const byte input[], u32bit length)
- {
- if(line_length == 0)
- send(input, length);
- else
- {
- u32bit remaining = length, offset = 0;
- while(remaining)
- {
- u32bit sent = std::min(line_length - counter, remaining);
- send(input + offset, sent);
- counter += sent;
- remaining -= sent;
- offset += sent;
- if(counter == line_length)
- {
- send('\n');
- counter = 0;
- }
- }
- }
- }
-
-/*
-* Convert some data into Base64
-*/
-void Base64_Encoder::write(const byte input[], u32bit length)
- {
- in.copy(position, input, length);
- if(position + length >= in.size())
- {
- encode_and_send(in, in.size());
- input += (in.size() - position);
- length -= (in.size() - position);
- while(length >= in.size())
- {
- encode_and_send(input, in.size());
- input += in.size();
- length -= in.size();
- }
- in.copy(input, length);
- position = 0;
- }
- position += length;
- }
-
-/*
-* Flush buffers
-*/
-void Base64_Encoder::end_msg()
- {
- u32bit start_of_last_block = 3 * (position / 3),
- left_over = position % 3;
- encode_and_send(in, start_of_last_block);
-
- if(left_over)
- {
- SecureBuffer<byte, 3> remainder(in + start_of_last_block, left_over);
-
- encode(remainder, out);
-
- u32bit empty_bits = 8 * (3 - left_over), index = 4 - 1;
- while(empty_bits >= 8)
- {
- out[index--] = '=';
- empty_bits -= 6;
- }
-
- do_output(out, 4);
- }
-
- if(trailing_newline || (counter && line_length))
- send('\n');
-
- counter = position = 0;
- }
-
-/*
-* Base64_Decoder Constructor
-*/
-Base64_Decoder::Base64_Decoder(Decoder_Checking c) : checking(c)
- {
- in.resize(48);
- out.resize(3);
- position = 0;
- }
-
-/*
-* Check if a character is a valid Base64 char
-*/
-bool Base64_Decoder::is_valid(byte in)
- {
- return (BASE64_TO_BIN[in] != 0x80);
- }
-
-/*
-* Base64 Decoding Operation
-*/
-void Base64_Decoder::decode(const byte in[4], byte out[3])
- {
- out[0] = ((BASE64_TO_BIN[in[0]] << 2) | (BASE64_TO_BIN[in[1]] >> 4));
- out[1] = ((BASE64_TO_BIN[in[1]] << 4) | (BASE64_TO_BIN[in[2]] >> 2));
- out[2] = ((BASE64_TO_BIN[in[2]] << 6) | (BASE64_TO_BIN[in[3]]));
- }
-
-/*
-* Decode and send a block
-*/
-void Base64_Decoder::decode_and_send(const byte block[], u32bit length)
- {
- for(u32bit j = 0; j != length; j += 4)
- {
- decode(block + j, out);
- send(out, 3);
- }
- }
-
-/*
-* Handle processing an invalid character
-*/
-void Base64_Decoder::handle_bad_char(byte c)
- {
- if(c == '=' || checking == NONE)
- return;
-
- if((checking == IGNORE_WS) && Charset::is_space(c))
- return;
-
- throw Decoding_Error(
- std::string("Base64_Decoder: Invalid base64 character '") +
- static_cast<char>(c) + "'"
- );
- }
-
-/*
-* Convert some data from Base64
-*/
-void Base64_Decoder::write(const byte input[], u32bit length)
- {
- for(u32bit j = 0; j != length; ++j)
- {
- if(is_valid(input[j]))
- in[position++] = input[j];
- else
- handle_bad_char(input[j]);
-
- if(position == in.size())
- {
- decode_and_send(in, in.size());
- position = 0;
- }
- }
- }
-
-/*
-* Flush buffers
-*/
-void Base64_Decoder::end_msg()
- {
- if(position != 0)
- {
- u32bit start_of_last_block = 4 * (position / 4),
- left_over = position % 4;
- decode_and_send(in, start_of_last_block);
-
- if(left_over)
- {
- SecureBuffer<byte, 4> remainder(in + start_of_last_block, left_over);
- decode(remainder, out);
- send(out, ((left_over == 1) ? (1) : (left_over - 1)));
- }
- }
- position = 0;
- }
-
-}