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-rw-r--r--src/lib/pubkey/mceies/info.txt10
-rw-r--r--src/lib/pubkey/mceies/mceies.cpp110
-rw-r--r--src/lib/pubkey/mceies/mceies.h46
3 files changed, 0 insertions, 166 deletions
diff --git a/src/lib/pubkey/mceies/info.txt b/src/lib/pubkey/mceies/info.txt
deleted file mode 100644
index cf5e01154..000000000
--- a/src/lib/pubkey/mceies/info.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-<defines>
-MCEIES -> 20150706
-</defines>
-
-<requires>
-aes
-mce
-ocb
-kdf1
-</requires>
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()));
- }
- }
-
-}
diff --git a/src/lib/pubkey/mceies/mceies.h b/src/lib/pubkey/mceies/mceies.h
deleted file mode 100644
index c9b3f7efd..000000000
--- a/src/lib/pubkey/mceies/mceies.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
-* McEliece Integrated Encryption System
-* (C) 2014,2015 Jack Lloyd
-*
-* Botan is released under the Simplified BSD License (see license.txt)
-*/
-
-#ifndef BOTAN_MCEIES_H_
-#define BOTAN_MCEIES_H_
-
-#include <botan/secmem.h>
-#include <string>
-
-namespace Botan {
-
-class RandomNumberGenerator;
-class McEliece_PublicKey;
-class McEliece_PrivateKey;
-
-/**
-* McEliece Integrated Encryption System
-* Derive a shared key using MCE KEM and encrypt/authenticate the
-* plaintext and AD using AES-256 in OCB mode.
-*/
-secure_vector<uint8_t>
-BOTAN_PUBLIC_API(2,0) 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& aead = "AES-256/OCB");
-
-/**
-* McEliece Integrated Encryption System
-* Derive a shared key using MCE KEM and decrypt/authenticate the
-* ciphertext and AD using AES-256 in OCB mode.
-*/
-secure_vector<uint8_t>
-BOTAN_PUBLIC_API(2,0) 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& aead = "AES-256/OCB");
-
-
-}
-
-#endif