1 files changed, 0 insertions, 150 deletions
diff --git a/src/math/bigint/big_code.cpp b/src/math/bigint/big_code.cpp
deleted file mode 100644
index 972312cdb..000000000
--- a/src/math/bigint/big_code.cpp
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
-* BigInt Encoding/Decoding
-* (C) 1999-2010,2012 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/bigint.h>
-#include <botan/divide.h>
-#include <botan/charset.h>
-#include <botan/hex.h>
-
-namespace Botan {
-
-/*
-* Encode a BigInt
-*/
-void BigInt::encode(byte output[], const BigInt& n, Base base)
-   {
-   if(base == Binary)
-      {
-      n.binary_encode(output);
-      }
-   else if(base == Hexadecimal)
-      {
-      secure_vector<byte> binary(n.encoded_size(Binary));
-      n.binary_encode(&binary[0]);
-
-      hex_encode(reinterpret_cast<char*>(output),
-                 &binary[0], binary.size());
-      }
-   else if(base == Decimal)
-      {
-      BigInt copy = n;
-      BigInt remainder;
-      copy.set_sign(Positive);
-      const size_t output_size = n.encoded_size(Decimal);
-      for(size_t j = 0; j != output_size; ++j)
-         {
-         divide(copy, 10, copy, remainder);
-         output[output_size - 1 - j] =
-            Charset::digit2char(static_cast<byte>(remainder.word_at(0)));
-         if(copy.is_zero())
-            break;
-         }
-      }
-   else
-      throw Invalid_Argument("Unknown BigInt encoding method");
-   }
-
-/*
-* Encode a BigInt
-*/
-std::vector<byte> BigInt::encode(const BigInt& n, Base base)
-   {
-   std::vector<byte> output(n.encoded_size(base));
-   encode(&output[0], n, base);
-   if(base != Binary)
-      for(size_t j = 0; j != output.size(); ++j)
-         if(output[j] == 0)
-            output[j] = '0';
-   return output;
-   }
-
-/*
-* Encode a BigInt
-*/
-secure_vector<byte> BigInt::encode_locked(const BigInt& n, Base base)
-   {
-   secure_vector<byte> output(n.encoded_size(base));
-   encode(&output[0], n, base);
-   if(base != Binary)
-      for(size_t j = 0; j != output.size(); ++j)
-         if(output[j] == 0)
-            output[j] = '0';
-   return output;
-   }
-
-/*
-* Encode a BigInt, with leading 0s if needed
-*/
-secure_vector<byte> BigInt::encode_1363(const BigInt& n, size_t bytes)
-   {
-   const size_t n_bytes = n.bytes();
-   if(n_bytes > bytes)
-      throw Encoding_Error("encode_1363: n is too large to encode properly");
-
-   const size_t leading_0s = bytes - n_bytes;
-
-   secure_vector<byte> output(bytes);
-   encode(&output[leading_0s], n, Binary);
-   return output;
-   }
-
-/*
-* Decode a BigInt
-*/
-BigInt BigInt::decode(const byte buf[], size_t length, Base base)
-   {
-   BigInt r;
-   if(base == Binary)
-      r.binary_decode(buf, length);
-   else if(base == Hexadecimal)
-      {
-      secure_vector<byte> binary;
-
-      if(length % 2)
-         {
-         // Handle lack of leading 0
-         const char buf0_with_leading_0[2] =
-            { '0', static_cast<char>(buf[0]) };
-
-         binary = hex_decode_locked(buf0_with_leading_0, 2);
-
-         binary += hex_decode_locked(reinterpret_cast<const char*>(&buf[1]),
-                                     length - 1,
-                                     false);
-         }
-      else
-         binary = hex_decode_locked(reinterpret_cast<const char*>(buf),
-                                    length, false);
-
-      r.binary_decode(&binary[0], binary.size());
-      }
-   else if(base == Decimal)
-      {
-      for(size_t i = 0; i != length; ++i)
-         {
-         if(Charset::is_space(buf[i]))
-            continue;
-
-         if(!Charset::is_digit(buf[i]))
-            throw Invalid_Argument("BigInt::decode: "
-                                   "Invalid character in decimal input");
-
-         const byte x = Charset::char2digit(buf[i]);
-
-         if(x >= 10)
-            throw Invalid_Argument("BigInt: Invalid decimal string");
-
-         r *= 10;
-         r += x;
-         }
-      }
-   else
-      throw Invalid_Argument("Unknown BigInt decoding method");
-   return r;
-   }
-
-}