diff options
author | lloyd <[email protected]> | 2014-01-01 21:20:55 +0000 |
---|---|---|
committer | lloyd <[email protected]> | 2014-01-01 21:20:55 +0000 |
commit | 197dc467dec28a04c3b2f30da7cef122dfbb13e9 (patch) | |
tree | cdbd3ddaec051c72f0a757db461973d90c37b97a /src/block/lubyrack | |
parent | 62faac373c07cfe10bc8c309e89ebdd30d8e5eaa (diff) |
Shuffle things around. Add NIST X.509 test to build.
Diffstat (limited to 'src/block/lubyrack')
-rw-r--r-- | src/block/lubyrack/info.txt | 5 | ||||
-rw-r--r-- | src/block/lubyrack/lubyrack.cpp | 129 | ||||
-rw-r--r-- | src/block/lubyrack/lubyrack.h | 50 |
3 files changed, 0 insertions, 184 deletions
diff --git a/src/block/lubyrack/info.txt b/src/block/lubyrack/info.txt deleted file mode 100644 index 1d83a0bac..000000000 --- a/src/block/lubyrack/info.txt +++ /dev/null @@ -1,5 +0,0 @@ -define LUBY_RACKOFF 20131128 - -<requires> -hash -</requires> diff --git a/src/block/lubyrack/lubyrack.cpp b/src/block/lubyrack/lubyrack.cpp deleted file mode 100644 index 9be079003..000000000 --- a/src/block/lubyrack/lubyrack.cpp +++ /dev/null @@ -1,129 +0,0 @@ -/* -* Luby-Rackoff -* (C) 1999-2008 Jack Lloyd -* -* Distributed under the terms of the Botan license -*/ - -#include <botan/lubyrack.h> -#include <botan/internal/xor_buf.h> - -namespace Botan { - -/* -* Luby-Rackoff Encryption -*/ -void LubyRackoff::encrypt_n(const byte in[], byte out[], size_t blocks) const - { - const size_t len = hash->output_length(); - - secure_vector<byte> buffer_vec(len); - byte* buffer = &buffer_vec[0]; - - for(size_t i = 0; i != blocks; ++i) - { - hash->update(K1); - hash->update(in, len); - hash->final(buffer); - xor_buf(out + len, in + len, buffer, len); - - hash->update(K2); - hash->update(out + len, len); - hash->final(buffer); - xor_buf(out, in, buffer, len); - - hash->update(K1); - hash->update(out, len); - hash->final(buffer); - xor_buf(out + len, buffer, len); - - hash->update(K2); - hash->update(out + len, len); - hash->final(buffer); - xor_buf(out, buffer, len); - - in += 2 * len; - out += 2 * len; - } - } - -/* -* Luby-Rackoff Decryption -*/ -void LubyRackoff::decrypt_n(const byte in[], byte out[], size_t blocks) const - { - const size_t len = hash->output_length(); - - secure_vector<byte> buffer_vec(len); - byte* buffer = &buffer_vec[0]; - - for(size_t i = 0; i != blocks; ++i) - { - hash->update(K2); - hash->update(in + len, len); - hash->final(buffer); - xor_buf(out, in, buffer, len); - - hash->update(K1); - hash->update(out, len); - hash->final(buffer); - xor_buf(out + len, in + len, buffer, len); - - hash->update(K2); - hash->update(out + len, len); - hash->final(buffer); - xor_buf(out, buffer, len); - - hash->update(K1); - hash->update(out, len); - hash->final(buffer); - xor_buf(out + len, buffer, len); - - in += 2 * len; - out += 2 * len; - } - } - -/* -* Luby-Rackoff Key Schedule -*/ -void LubyRackoff::key_schedule(const byte key[], size_t length) - { - K1.assign(key, key + (length / 2)); - K2.assign(key + (length / 2), key + length); - } - -/* -* Clear memory of sensitive data -*/ -void LubyRackoff::clear() - { - zap(K1); - zap(K2); - hash->clear(); - } - -/* -* Return a clone of this object -*/ -BlockCipher* LubyRackoff::clone() const - { - return new LubyRackoff(hash->clone()); - } - -/* -* Return the name of this type -*/ -std::string LubyRackoff::name() const - { - return "Luby-Rackoff(" + hash->name() + ")"; - } - -/* -* Luby-Rackoff Constructor -*/ -LubyRackoff::LubyRackoff(HashFunction* h) : hash(h) - { - } - -} diff --git a/src/block/lubyrack/lubyrack.h b/src/block/lubyrack/lubyrack.h deleted file mode 100644 index e28c60be7..000000000 --- a/src/block/lubyrack/lubyrack.h +++ /dev/null @@ -1,50 +0,0 @@ -/* -* Luby-Rackoff -* (C) 1999-2008 Jack Lloyd -* -* Distributed under the terms of the Botan license -*/ - -#ifndef BOTAN_LUBY_RACKOFF_H__ -#define BOTAN_LUBY_RACKOFF_H__ - -#include <botan/block_cipher.h> -#include <botan/hash.h> - -namespace Botan { - -/** -* Luby-Rackoff block cipher construction -*/ -class BOTAN_DLL LubyRackoff : public BlockCipher - { - public: - void encrypt_n(const byte in[], byte out[], size_t blocks) const; - void decrypt_n(const byte in[], byte out[], size_t blocks) const; - - size_t block_size() const { return 2 * hash->output_length(); } - - Key_Length_Specification key_spec() const - { - return Key_Length_Specification(2, 32, 2); - } - - void clear(); - std::string name() const; - BlockCipher* clone() const; - - /** - * @param hash function to use to form the block cipher - */ - LubyRackoff(HashFunction* hash); - ~LubyRackoff() { delete hash; } - private: - void key_schedule(const byte[], size_t); - - HashFunction* hash; - secure_vector<byte> K1, K2; - }; - -} - -#endif |