aboutsummaryrefslogtreecommitdiffstats
path: root/src/codec/hex
diff options
context:
space:
mode:
Diffstat (limited to 'src/codec/hex')
-rw-r--r--src/codec/hex/hex.cpp204
-rw-r--r--src/codec/hex/hex.h148
-rw-r--r--src/codec/hex/info.txt1
3 files changed, 0 insertions, 353 deletions
diff --git a/src/codec/hex/hex.cpp b/src/codec/hex/hex.cpp
deleted file mode 100644
index 104125894..000000000
--- a/src/codec/hex/hex.cpp
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
-* Hex Encoding and Decoding
-* (C) 2010 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/hex.h>
-#include <botan/mem_ops.h>
-#include <stdexcept>
-
-namespace Botan {
-
-void hex_encode(char output[],
- const byte input[],
- size_t input_length,
- bool uppercase)
- {
- static const byte BIN_TO_HEX_UPPER[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- 'A', 'B', 'C', 'D', 'E', 'F' };
-
- static const byte BIN_TO_HEX_LOWER[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- 'a', 'b', 'c', 'd', 'e', 'f' };
-
- const byte* tbl = uppercase ? BIN_TO_HEX_UPPER : BIN_TO_HEX_LOWER;
-
- for(size_t i = 0; i != input_length; ++i)
- {
- byte x = input[i];
- output[2*i ] = tbl[(x >> 4) & 0x0F];
- output[2*i+1] = tbl[(x ) & 0x0F];
- }
- }
-
-std::string hex_encode(const byte input[],
- size_t input_length,
- bool uppercase)
- {
- std::string output(2 * input_length, 0);
-
- if(input_length)
- hex_encode(&output[0], input, input_length, uppercase);
-
- return output;
- }
-
-size_t hex_decode(byte output[],
- const char input[],
- size_t input_length,
- size_t& input_consumed,
- bool ignore_ws)
- {
- /*
- * Mapping of hex characters to either their binary equivalent
- * or to an error code.
- * If valid hex (0-9 A-F a-f), the value.
- * If whitespace, then 0x80
- * Otherwise 0xFF
- * Warning: this table assumes ASCII character encodings
- */
-
- static const byte HEX_TO_BIN[256] = {
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x80,
- 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x01,
- 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
- 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0A, 0x0B, 0x0C,
- 0x0D, 0x0E, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-
- byte* out_ptr = output;
- bool top_nibble = true;
-
- clear_mem(output, input_length / 2);
-
- for(size_t i = 0; i != input_length; ++i)
- {
- const byte bin = HEX_TO_BIN[static_cast<byte>(input[i])];
-
- if(bin >= 0x10)
- {
- if(bin == 0x80 && ignore_ws)
- continue;
-
- std::string bad_char(1, input[i]);
- if(bad_char == "\t")
- bad_char = "\\t";
- else if(bad_char == "\n")
- bad_char = "\\n";
-
- throw std::invalid_argument(
- std::string("hex_decode: invalid hex character '") +
- bad_char + "'");
- }
-
- *out_ptr |= bin << (top_nibble*4);
-
- top_nibble = !top_nibble;
- if(top_nibble)
- ++out_ptr;
- }
-
- input_consumed = input_length;
- size_t written = (out_ptr - output);
-
- /*
- * We only got half of a byte at the end; zap the half-written
- * output and mark it as unread
- */
- if(!top_nibble)
- {
- *out_ptr = 0;
- input_consumed -= 1;
- }
-
- return written;
- }
-
-size_t hex_decode(byte output[],
- const char input[],
- size_t input_length,
- bool ignore_ws)
- {
- size_t consumed = 0;
- size_t written = hex_decode(output, input, input_length,
- consumed, ignore_ws);
-
- if(consumed != input_length)
- throw std::invalid_argument("hex_decode: input did not have full bytes");
-
- return written;
- }
-
-size_t hex_decode(byte output[],
- const std::string& input,
- bool ignore_ws)
- {
- return hex_decode(output, &input[0], input.length(), ignore_ws);
- }
-
-secure_vector<byte> hex_decode_locked(const char input[],
- size_t input_length,
- bool ignore_ws)
- {
- secure_vector<byte> bin(1 + input_length / 2);
-
- size_t written = hex_decode(&bin[0],
- input,
- input_length,
- ignore_ws);
-
- bin.resize(written);
- return bin;
- }
-
-secure_vector<byte> hex_decode_locked(const std::string& input,
- bool ignore_ws)
- {
- return hex_decode_locked(&input[0], input.size(), ignore_ws);
- }
-
-std::vector<byte> hex_decode(const char input[],
- size_t input_length,
- bool ignore_ws)
- {
- std::vector<byte> bin(1 + input_length / 2);
-
- size_t written = hex_decode(&bin[0],
- input,
- input_length,
- ignore_ws);
-
- bin.resize(written);
- return bin;
- }
-
-std::vector<byte> hex_decode(const std::string& input,
- bool ignore_ws)
- {
- return hex_decode(&input[0], input.size(), ignore_ws);
- }
-
-}
diff --git a/src/codec/hex/hex.h b/src/codec/hex/hex.h
deleted file mode 100644
index a64a6c8df..000000000
--- a/src/codec/hex/hex.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
-* Hex Encoding and Decoding
-* (C) 2010 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_HEX_CODEC_H__
-#define BOTAN_HEX_CODEC_H__
-
-#include <botan/secmem.h>
-#include <string>
-
-namespace Botan {
-
-/**
-* Perform hex encoding
-* @param output an array of at least input_length*2 bytes
-* @param input is some binary data
-* @param input_length length of input in bytes
-* @param uppercase should output be upper or lower case?
-*/
-void BOTAN_DLL hex_encode(char output[],
- const byte input[],
- size_t input_length,
- bool uppercase = true);
-
-/**
-* Perform hex encoding
-* @param input some input
-* @param input_length length of input in bytes
-* @param uppercase should output be upper or lower case?
-* @return hexadecimal representation of input
-*/
-std::string BOTAN_DLL hex_encode(const byte input[],
- size_t input_length,
- bool uppercase = true);
-
-/**
-* Perform hex encoding
-* @param input some input
-* @param uppercase should output be upper or lower case?
-* @return hexadecimal representation of input
-*/
-template<typename Alloc>
-std::string hex_encode(const std::vector<byte, Alloc>& input,
- bool uppercase = true)
- {
- return hex_encode(&input[0], input.size(), uppercase);
- }
-
-/**
-* Perform hex decoding
-* @param output an array of at least input_length/2 bytes
-* @param input some hex input
-* @param input_length length of input in bytes
-* @param input_consumed is an output parameter which says how many
-* bytes of input were actually consumed. If less than
-* input_length, then the range input[consumed:length]
-* should be passed in later along with more input.
-* @param ignore_ws ignore whitespace on input; if false, throw an
- exception if whitespace is encountered
-* @return number of bytes written to output
-*/
-size_t BOTAN_DLL hex_decode(byte output[],
- const char input[],
- size_t input_length,
- size_t& input_consumed,
- bool ignore_ws = true);
-
-/**
-* Perform hex decoding
-* @param output an array of at least input_length/2 bytes
-* @param input some hex input
-* @param input_length length of input in bytes
-* @param ignore_ws ignore whitespace on input; if false, throw an
- exception if whitespace is encountered
-* @return number of bytes written to output
-*/
-size_t BOTAN_DLL hex_decode(byte output[],
- const char input[],
- size_t input_length,
- bool ignore_ws = true);
-
-/**
-* Perform hex decoding
-* @param output an array of at least input_length/2 bytes
-* @param input some hex input
-* @param ignore_ws ignore whitespace on input; if false, throw an
- exception if whitespace is encountered
-* @return number of bytes written to output
-*/
-size_t BOTAN_DLL hex_decode(byte output[],
- const std::string& input,
- bool ignore_ws = true);
-
-/**
-* Perform hex decoding
-* @param input some hex input
-* @param input_length the length of input in bytes
-* @param ignore_ws ignore whitespace on input; if false, throw an
- exception if whitespace is encountered
-* @return decoded hex output
-*/
-std::vector<byte> BOTAN_DLL
-hex_decode(const char input[],
- size_t input_length,
- bool ignore_ws = true);
-
-/**
-* Perform hex decoding
-* @param input some hex input
-* @param ignore_ws ignore whitespace on input; if false, throw an
- exception if whitespace is encountered
-* @return decoded hex output
-*/
-std::vector<byte> BOTAN_DLL
-hex_decode(const std::string& input,
- bool ignore_ws = true);
-
-
-/**
-* Perform hex decoding
-* @param input some hex input
-* @param input_length the length of input in bytes
-* @param ignore_ws ignore whitespace on input; if false, throw an
- exception if whitespace is encountered
-* @return decoded hex output
-*/
-secure_vector<byte> BOTAN_DLL
-hex_decode_locked(const char input[],
- size_t input_length,
- bool ignore_ws = true);
-
-/**
-* Perform hex decoding
-* @param input some hex input
-* @param ignore_ws ignore whitespace on input; if false, throw an
- exception if whitespace is encountered
-* @return decoded hex output
-*/
-secure_vector<byte> BOTAN_DLL
-hex_decode_locked(const std::string& input,
- bool ignore_ws = true);
-
-}
-
-#endif
diff --git a/src/codec/hex/info.txt b/src/codec/hex/info.txt
deleted file mode 100644
index ead5beffd..000000000
--- a/src/codec/hex/info.txt
+++ /dev/null
@@ -1 +0,0 @@
-define HEX_CODEC 20131128
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 05:42:11 +0000