Mark repository as deprecatedHEADmaster

1 files changed, 0 insertions, 214 deletions

diff --git a/botan/src/rng/randpool/randpool.cpp b/botan/src/rng/randpool/randpool.cpp
deleted file mode 100644
index 4d7b92d..0000000
--- a/botan/src/rng/randpool/randpool.cpp
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
-* Randpool
-* (C) 1999-2009 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/randpool.h>
-#include <botan/loadstor.h>
-#include <botan/xor_buf.h>
-#include <botan/util.h>
-#include <botan/stl_util.h>
-#include <algorithm>
-
-namespace Botan {
-
-namespace {
-
-/**
-* PRF based on a MAC
-*/
-enum RANDPOOL_PRF_TAG {
-   CIPHER_KEY = 0,
-   MAC_KEY    = 1,
-   GEN_OUTPUT = 2
-};
-
-}
-
-/**
-* Generate a buffer of random bytes
-*/
-void Randpool::randomize(byte out[], u32bit length)
-   {
-   if(!is_seeded())
-      throw PRNG_Unseeded(name());
-
-   update_buffer();
-   while(length)
-      {
-      const u32bit copied = std::min(length, buffer.size());
-      copy_mem(out, buffer.begin(), copied);
-      out += copied;
-      length -= copied;
-      update_buffer();
-      }
-   }
-
-/**
-* Refill the output buffer
-*/
-void Randpool::update_buffer()
-   {
-   const u64bit timestamp = system_time();
-
-   for(u32bit i = 0; i != counter.size(); ++i)
-      if(++counter[i])
-         break;
-   store_be(timestamp, counter + 4);
-
-   mac->update(static_cast<byte>(GEN_OUTPUT));
-   mac->update(counter, counter.size());
-   SecureVector<byte> mac_val = mac->final();
-
-   for(u32bit i = 0; i != mac_val.size(); ++i)
-      buffer[i % buffer.size()] ^= mac_val[i];
-   cipher->encrypt(buffer);
-
-   if(counter[0] % ITERATIONS_BEFORE_RESEED == 0)
-      mix_pool();
-   }
-
-/**
-* Mix the entropy pool
-*/
-void Randpool::mix_pool()
-   {
-   const u32bit BLOCK_SIZE = cipher->BLOCK_SIZE;
-
-   mac->update(static_cast<byte>(MAC_KEY));
-   mac->update(pool, pool.size());
-   mac->set_key(mac->final());
-
-   mac->update(static_cast<byte>(CIPHER_KEY));
-   mac->update(pool, pool.size());
-   cipher->set_key(mac->final());
-
-   xor_buf(pool, buffer, BLOCK_SIZE);
-   cipher->encrypt(pool);
-   for(u32bit i = 1; i != POOL_BLOCKS; ++i)
-      {
-      const byte* previous_block = pool + BLOCK_SIZE*(i-1);
-      byte* this_block = pool + BLOCK_SIZE*i;
-      xor_buf(this_block, previous_block, BLOCK_SIZE);
-      cipher->encrypt(this_block);
-      }
-
-   update_buffer();
-   }
-
-/**
-* Reseed the internal state
-*/
-void Randpool::reseed(u32bit poll_bits)
-   {
-   Entropy_Accumulator_BufferedComputation accum(*mac, poll_bits);
-
-   if(!entropy_sources.empty())
-      {
-      u32bit poll_attempt = 0;
-
-      while(!accum.polling_goal_achieved() && poll_attempt < poll_bits)
-         {
-         entropy_sources[poll_attempt % entropy_sources.size()]->poll(accum);
-         ++poll_attempt;
-         }
-      }
-
-   SecureVector<byte> mac_val = mac->final();
-
-   xor_buf(pool, mac_val, mac_val.size());
-   mix_pool();
-
-   if(accum.bits_collected() >= poll_bits)
-      seeded = true;
-   }
-
-/**
-* Add user-supplied entropy
-*/
-void Randpool::add_entropy(const byte input[], u32bit length)
-   {
-   SecureVector<byte> mac_val = mac->process(input, length);
-   xor_buf(pool, mac_val, mac_val.size());
-   mix_pool();
-
-   if(length)
-      seeded = true;
-   }
-
-/**
-* Add another entropy source to the list
-*/
-void Randpool::add_entropy_source(EntropySource* src)
-   {
-   entropy_sources.push_back(src);
-   }
-
-/**
-* Clear memory of sensitive data
-*/
-void Randpool::clear() throw()
-   {
-   cipher->clear();
-   mac->clear();
-   pool.clear();
-   buffer.clear();
-   counter.clear();
-   seeded = false;
-   }
-
-/**
-* Return the name of this type
-*/
-std::string Randpool::name() const
-   {
-   return "Randpool(" + cipher->name() + "," + mac->name() + ")";
-   }
-
-/**
-* Randpool Constructor
-*/
-Randpool::Randpool(BlockCipher* cipher_in,
-                   MessageAuthenticationCode* mac_in,
-                   u32bit pool_blocks,
-                   u32bit iter_before_reseed) :
-   ITERATIONS_BEFORE_RESEED(iter_before_reseed),
-   POOL_BLOCKS(pool_blocks),
-   cipher(cipher_in),
-   mac(mac_in)
-   {
-   const u32bit BLOCK_SIZE = cipher->BLOCK_SIZE;
-   const u32bit OUTPUT_LENGTH = mac->OUTPUT_LENGTH;
-
-   if(OUTPUT_LENGTH < BLOCK_SIZE ||
-      !cipher->valid_keylength(OUTPUT_LENGTH) ||
-      !mac->valid_keylength(OUTPUT_LENGTH))
-      {
-      std::string ciphername = cipher->name(), macname = mac->name();
-      delete cipher;
-      delete mac;
-      throw Internal_Error("Randpool: Invalid algorithm combination " +
-                           ciphername + "/" + macname);
-      }
-
-   buffer.create(BLOCK_SIZE);
-   pool.create(POOL_BLOCKS * BLOCK_SIZE);
-   counter.create(12);
-   seeded = false;
-   }
-
-/**
-* Randpool Destructor
-*/
-Randpool::~Randpool()
-   {
-   delete cipher;
-   delete mac;
-
-   std::for_each(entropy_sources.begin(), entropy_sources.end(),
-                 del_fun<EntropySource>());
-   }
-
-}