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authorDavid Clark <david.a.clark@nokia.com>2010-11-18 16:20:48 +1000
committerDavid Clark <david.a.clark@nokia.com>2010-11-18 16:20:48 +1000
commitc223232bc15106750da632598047a35ad3762723 (patch)
tree403f7aa2c3a5a912edce6feae869046c89d29178 /botan/src/pubkey/nr/nr.cpp
parentb984b0b62076067f1f75db5a7eda5aaa2cdaad2a (diff)
Mark repository as deprecatedHEADmaster
Diffstat (limited to 'botan/src/pubkey/nr/nr.cpp')
-rw-r--r--botan/src/pubkey/nr/nr.cpp134
1 files changed, 0 insertions, 134 deletions
diff --git a/botan/src/pubkey/nr/nr.cpp b/botan/src/pubkey/nr/nr.cpp
deleted file mode 100644
index ad4ae78..0000000
--- a/botan/src/pubkey/nr/nr.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
-* Nyberg-Rueppel
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/nr.h>
-#include <botan/numthry.h>
-#include <botan/keypair.h>
-#include <botan/look_pk.h>
-
-namespace Botan {
-
-/*
-* NR_PublicKey Constructor
-*/
-NR_PublicKey::NR_PublicKey(const DL_Group& grp, const BigInt& y1)
- {
- group = grp;
- y = y1;
- X509_load_hook();
- }
-
-/*
-* Algorithm Specific X.509 Initialization Code
-*/
-void NR_PublicKey::X509_load_hook()
- {
- core = NR_Core(group, y);
- }
-
-/*
-* Nyberg-Rueppel Verification Function
-*/
-SecureVector<byte> NR_PublicKey::verify(const byte sig[], u32bit sig_len) const
- {
- return core.verify(sig, sig_len);
- }
-
-/*
-* Return the maximum input size in bits
-*/
-u32bit NR_PublicKey::max_input_bits() const
- {
- return (group_q().bits() - 1);
- }
-
-/*
-* Return the size of each portion of the sig
-*/
-u32bit NR_PublicKey::message_part_size() const
- {
- return group_q().bytes();
- }
-
-/*
-* Create a NR private key
-*/
-NR_PrivateKey::NR_PrivateKey(RandomNumberGenerator& rng,
- const DL_Group& grp,
- const BigInt& x_arg)
- {
- group = grp;
- x = x_arg;
-
- if(x == 0)
- {
- x = BigInt::random_integer(rng, 2, group_q() - 1);
- PKCS8_load_hook(rng, true);
- }
- else
- PKCS8_load_hook(rng, false);
- }
-
-/*
-* Algorithm Specific PKCS #8 Initialization Code
-*/
-void NR_PrivateKey::PKCS8_load_hook(RandomNumberGenerator& rng,
- bool generated)
- {
- if(y == 0)
- y = power_mod(group_g(), x, group_p());
- core = NR_Core(group, y, x);
-
- if(generated)
- gen_check(rng);
- else
- load_check(rng);
- }
-
-/*
-* Nyberg-Rueppel Signature Operation
-*/
-SecureVector<byte> NR_PrivateKey::sign(const byte in[], u32bit length,
- RandomNumberGenerator& rng) const
- {
- const BigInt& q = group_q();
-
- BigInt k;
- do
- k.randomize(rng, q.bits());
- while(k >= q);
-
- return core.sign(in, length, k);
- }
-
-/*
-* Check Private Nyberg-Rueppel Parameters
-*/
-bool NR_PrivateKey::check_key(RandomNumberGenerator& rng, bool strong) const
- {
- if(!DL_Scheme_PrivateKey::check_key(rng, strong) || x >= group_q())
- return false;
-
- if(!strong)
- return true;
-
- try
- {
- KeyPair::check_key(rng,
- get_pk_signer(*this, "EMSA1(SHA-1)"),
- get_pk_verifier(*this, "EMSA1(SHA-1)")
- );
- }
- catch(Self_Test_Failure)
- {
- return false;
- }
-
- return true;
- }
-
-}