1 files changed, 0 insertions, 105 deletions
diff --git a/src/pk_pad/emsa1/emsa1.cpp b/src/pk_pad/emsa1/emsa1.cpp
deleted file mode 100644
index 2358023f8..000000000
--- a/src/pk_pad/emsa1/emsa1.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
-* EMSA1
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/emsa1.h>
-
-namespace Botan {
-
-namespace {
-
-secure_vector<byte> emsa1_encoding(const secure_vector<byte>& msg,
-                                  size_t output_bits)
-   {
-   if(8*msg.size() <= output_bits)
-      return msg;
-
-   size_t shift = 8*msg.size() - output_bits;
-
-   size_t byte_shift = shift / 8, bit_shift = shift % 8;
-   secure_vector<byte> digest(msg.size() - byte_shift);
-
-   for(size_t j = 0; j != msg.size() - byte_shift; ++j)
-      digest[j] = msg[j];
-
-   if(bit_shift)
-      {
-      byte carry = 0;
-      for(size_t j = 0; j != digest.size(); ++j)
-         {
-         byte temp = digest[j];
-         digest[j] = (temp >> bit_shift) | carry;
-         carry = (temp << (8 - bit_shift));
-         }
-      }
-   return digest;
-   }
-
-}
-
-/*
-* EMSA1 Update Operation
-*/
-void EMSA1::update(const byte input[], size_t length)
-   {
-   hash->update(input, length);
-   }
-
-/*
-* Return the raw (unencoded) data
-*/
-secure_vector<byte> EMSA1::raw_data()
-   {
-   return hash->final();
-   }
-
-/*
-* EMSA1 Encode Operation
-*/
-secure_vector<byte> EMSA1::encoding_of(const secure_vector<byte>& msg,
-                                      size_t output_bits,
-                                      RandomNumberGenerator&)
-   {
-   if(msg.size() != hash->output_length())
-      throw Encoding_Error("EMSA1::encoding_of: Invalid size for input");
-   return emsa1_encoding(msg, output_bits);
-   }
-
-/*
-* EMSA1 Decode/Verify Operation
-*/
-bool EMSA1::verify(const secure_vector<byte>& coded,
-                   const secure_vector<byte>& raw, size_t key_bits)
-   {
-   try {
-      if(raw.size() != hash->output_length())
-         throw Encoding_Error("EMSA1::encoding_of: Invalid size for input");
-
-      secure_vector<byte> our_coding = emsa1_encoding(raw, key_bits);
-
-      if(our_coding == coded) return true;
-      if(our_coding.empty() || our_coding[0] != 0) return false;
-      if(our_coding.size() <= coded.size()) return false;
-
-      size_t offset = 0;
-      while(offset < our_coding.size() && our_coding[offset] == 0)
-         ++offset;
-      if(our_coding.size() - offset != coded.size())
-         return false;
-
-      for(size_t j = 0; j != coded.size(); ++j)
-         if(coded[j] != our_coding[j+offset])
-            return false;
-
-      return true;
-      }
-   catch(Invalid_Argument)
-      {
-      return false;
-      }
-   }
-
-}