1 files changed, 0 insertions, 110 deletions
diff --git a/src/lib/pubkey/mceies/mceies.cpp b/src/lib/pubkey/mceies/mceies.cpp
deleted file mode 100644
index 4d62889fe..000000000
--- a/src/lib/pubkey/mceies/mceies.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
-* McEliece Integrated Encryption System
-* (C) 2014,2015 Jack Lloyd
-*
-* Botan is released under the Simplified BSD License (see license.txt)
-*/
-
-#include <botan/mceies.h>
-#include <botan/aead.h>
-#include <botan/rng.h>
-#include <botan/mceliece.h>
-#include <botan/pubkey.h>
-
-namespace Botan {
-
-namespace {
-
-secure_vector<uint8_t> aead_key(const secure_vector<uint8_t>& mk,
-                             const AEAD_Mode& aead)
-   {
-   // Fold the key as required for the AEAD mode in use
-   if(aead.valid_keylength(mk.size()))
-      return mk;
-
-   secure_vector<uint8_t> r(aead.key_spec().maximum_keylength());
-   BOTAN_ASSERT_NOMSG(r.size() > 0);
-   for(size_t i = 0; i != mk.size(); ++i)
-      r[i % r.size()] ^= mk[i];
-   return r;
-   }
-
-}
-
-secure_vector<uint8_t>
-mceies_encrypt(const McEliece_PublicKey& pubkey,
-               const uint8_t pt[], size_t pt_len,
-               const uint8_t ad[], size_t ad_len,
-               RandomNumberGenerator& rng,
-               const std::string& algo)
-   {
-   PK_KEM_Encryptor kem_op(pubkey, rng, "KDF1(SHA-512)");
-
-   secure_vector<uint8_t> mce_ciphertext, mce_key;
-   kem_op.encrypt(mce_ciphertext, mce_key, 64, rng);
-
-   const size_t mce_code_bytes = (pubkey.get_code_length() + 7) / 8;
-
-   BOTAN_ASSERT(mce_ciphertext.size() == mce_code_bytes, "Unexpected size");
-
-   std::unique_ptr<AEAD_Mode> aead = AEAD_Mode::create_or_throw(algo, ENCRYPTION);
-
-   const size_t nonce_len = aead->default_nonce_length();
-
-   aead->set_key(aead_key(mce_key, *aead));
-   aead->set_associated_data(ad, ad_len);
-
-   const secure_vector<uint8_t> nonce = rng.random_vec(nonce_len);
-
-   secure_vector<uint8_t> msg(mce_ciphertext.size() + nonce.size() + pt_len);
-   copy_mem(msg.data(), mce_ciphertext.data(), mce_ciphertext.size());
-   copy_mem(msg.data() + mce_ciphertext.size(), nonce.data(), nonce.size());
-   copy_mem(msg.data() + mce_ciphertext.size() + nonce.size(), pt, pt_len);
-
-   aead->start(nonce);
-   aead->finish(msg, mce_ciphertext.size() + nonce.size());
-   return msg;
-   }
-
-secure_vector<uint8_t>
-mceies_decrypt(const McEliece_PrivateKey& privkey,
-               const uint8_t ct[], size_t ct_len,
-               const uint8_t ad[], size_t ad_len,
-               const std::string& algo)
-   {
-   try
-      {
-      Null_RNG null_rng;
-      PK_KEM_Decryptor kem_op(privkey, null_rng, "KDF1(SHA-512)");
-
-      const size_t mce_code_bytes = (privkey.get_code_length() + 7) / 8;
-
-      std::unique_ptr<AEAD_Mode> aead = AEAD_Mode::create_or_throw(algo, DECRYPTION);
-
-      const size_t nonce_len = aead->default_nonce_length();
-
-      if(ct_len < mce_code_bytes + nonce_len + aead->tag_size())
-         throw Decoding_Error("Input message too small to be valid");
-
-      const secure_vector<uint8_t> mce_key = kem_op.decrypt(ct, mce_code_bytes, 64);
-
-      aead->set_key(aead_key(mce_key, *aead));
-      aead->set_associated_data(ad, ad_len);
-
-      secure_vector<uint8_t> pt(ct + mce_code_bytes + nonce_len, ct + ct_len);
-
-      aead->start(&ct[mce_code_bytes], nonce_len);
-      aead->finish(pt, 0);
-      return pt;
-      }
-   catch(Invalid_Authentication_Tag&)
-      {
-      throw;
-      }
-   catch(std::exception& e)
-      {
-      throw Decoding_Error("mce_decrypt failed: " + std::string(e.what()));
-      }
-   }
-
-}