aboutsummaryrefslogtreecommitdiffstats
path: root/src/codec/hex
diff options
context:
space:
mode:
Diffstat (limited to 'src/codec/hex')
-rw-r--r--src/codec/hex/hex.cpp88
-rw-r--r--src/codec/hex/hex.h10
-rw-r--r--src/codec/hex/hex_char.cpp22
3 files changed, 63 insertions, 57 deletions
diff --git a/src/codec/hex/hex.cpp b/src/codec/hex/hex.cpp
index 4cbc1d37b..fbacc278b 100644
--- a/src/codec/hex/hex.cpp
+++ b/src/codec/hex/hex.cpp
@@ -1,7 +1,9 @@
-/*************************************************
-* Hex Encoder/Decoder Source File *
-* (C) 1999-2007 Jack Lloyd *
-*************************************************/
+/*
+* Hex Encoder/Decoder
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
#include <botan/hex.h>
#include <botan/parsing.h>
@@ -11,9 +13,9 @@
namespace Botan {
-/*************************************************
-* Hex_Encoder Constructor *
-*************************************************/
+/*
+* Hex_Encoder Constructor
+*/
Hex_Encoder::Hex_Encoder(bool breaks, u32bit length, Case c) :
casing(c), line_length(breaks ? length : 0)
{
@@ -22,9 +24,9 @@ Hex_Encoder::Hex_Encoder(bool breaks, u32bit length, Case c) :
counter = position = 0;
}
-/*************************************************
-* Hex_Encoder Constructor *
-*************************************************/
+/*
+* Hex_Encoder Constructor
+*/
Hex_Encoder::Hex_Encoder(Case c) : casing(c), line_length(0)
{
in.create(64);
@@ -32,9 +34,9 @@ Hex_Encoder::Hex_Encoder(Case c) : casing(c), line_length(0)
counter = position = 0;
}
-/*************************************************
-* Hex Encoding Operation *
-*************************************************/
+/*
+* Hex Encoding Operation
+*/
void Hex_Encoder::encode(byte in, byte out[2], Hex_Encoder::Case casing)
{
const byte* BIN_TO_HEX = ((casing == Uppercase) ? BIN_TO_HEX_UPPER :
@@ -44,9 +46,9 @@ void Hex_Encoder::encode(byte in, byte out[2], Hex_Encoder::Case casing)
out[1] = BIN_TO_HEX[((in ) & 0x0F)];
}
-/*************************************************
-* Encode and send a block *
-*************************************************/
+/*
+* Encode and send a block
+*/
void Hex_Encoder::encode_and_send(const byte block[], u32bit length)
{
for(u32bit j = 0; j != length; ++j)
@@ -73,9 +75,9 @@ void Hex_Encoder::encode_and_send(const byte block[], u32bit length)
}
}
-/*************************************************
-* Convert some data into hex format *
-*************************************************/
+/*
+* Convert some data into hex format
+*/
void Hex_Encoder::write(const byte input[], u32bit length)
{
in.copy(position, input, length);
@@ -96,9 +98,9 @@ void Hex_Encoder::write(const byte input[], u32bit length)
position += length;
}
-/*************************************************
-* Flush buffers *
-*************************************************/
+/*
+* Flush buffers
+*/
void Hex_Encoder::end_msg()
{
encode_and_send(in, position);
@@ -107,9 +109,9 @@ void Hex_Encoder::end_msg()
counter = position = 0;
}
-/*************************************************
-* Hex_Decoder Constructor *
-*************************************************/
+/*
+* Hex_Decoder Constructor
+*/
Hex_Decoder::Hex_Decoder(Decoder_Checking c) : checking(c)
{
in.create(64);
@@ -117,17 +119,17 @@ Hex_Decoder::Hex_Decoder(Decoder_Checking c) : checking(c)
position = 0;
}
-/*************************************************
-* Check if a character is a valid hex char *
-*************************************************/
+/*
+* Check if a character is a valid hex char
+*/
bool Hex_Decoder::is_valid(byte in)
{
return (HEX_TO_BIN[in] != 0x80);
}
-/*************************************************
-* Handle processing an invalid character *
-*************************************************/
+/*
+* Handle processing an invalid character
+*/
void Hex_Decoder::handle_bad_char(byte c)
{
if(checking == NONE)
@@ -140,17 +142,17 @@ void Hex_Decoder::handle_bad_char(byte c)
to_string(c));
}
-/*************************************************
-* Hex Decoding Operation *
-*************************************************/
+/*
+* Hex Decoding Operation
+*/
byte Hex_Decoder::decode(const byte hex[2])
{
return ((HEX_TO_BIN[hex[0]] << 4) | HEX_TO_BIN[hex[1]]);
}
-/*************************************************
-* Decode and send a block *
-*************************************************/
+/*
+* Decode and send a block
+*/
void Hex_Decoder::decode_and_send(const byte block[], u32bit length)
{
for(u32bit j = 0; j != length / 2; ++j)
@@ -158,9 +160,9 @@ void Hex_Decoder::decode_and_send(const byte block[], u32bit length)
send(out, length / 2);
}
-/*************************************************
-* Convert some data from hex format *
-*************************************************/
+/*
+* Convert some data from hex format
+*/
void Hex_Decoder::write(const byte input[], u32bit length)
{
for(u32bit j = 0; j != length; ++j)
@@ -177,9 +179,9 @@ void Hex_Decoder::write(const byte input[], u32bit length)
}
}
-/*************************************************
-* Flush buffers *
-*************************************************/
+/*
+* Flush buffers
+*/
void Hex_Decoder::end_msg()
{
decode_and_send(in, position);
diff --git a/src/codec/hex/hex.h b/src/codec/hex/hex.h
index bb98c8770..035bf4ef9 100644
--- a/src/codec/hex/hex.h
+++ b/src/codec/hex/hex.h
@@ -1,7 +1,9 @@
-/*************************************************
-* Hex Encoder/Decoder Header File *
-* (C) 1999-2007 Jack Lloyd *
-*************************************************/
+/*
+* Hex Encoder/Decoder
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
#ifndef BOTAN_HEX_H__
#define BOTAN_HEX_H__
diff --git a/src/codec/hex/hex_char.cpp b/src/codec/hex/hex_char.cpp
index d34614a10..c28efc5f7 100644
--- a/src/codec/hex/hex_char.cpp
+++ b/src/codec/hex/hex_char.cpp
@@ -1,15 +1,17 @@
-/*************************************************
-* Hex Character Table *
-* (C) 1999-2008 Jack Lloyd *
-*************************************************/
+/*
+* Hex Character Table
+* (C) 1999-2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
#include <botan/hex.h>
namespace Botan {
-/*************************************************
-* Hex Encoder Lookup Tables *
-*************************************************/
+/*
+* Hex Encoder Lookup Tables
+*/
const byte Hex_Encoder::BIN_TO_HEX_UPPER[16] = {
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43,
0x44, 0x45, 0x46 };
@@ -18,9 +20,9 @@ const byte Hex_Encoder::BIN_TO_HEX_LOWER[16] = {
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x61, 0x62, 0x63,
0x64, 0x65, 0x66 };
-/*************************************************
-* Hex Decoder Lookup Table *
-*************************************************/
+/*
+* Hex Decoder Lookup Table
+*/
const byte Hex_Decoder::HEX_TO_BIN[256] = {
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 00:11:20 +0000