1 files changed, 0 insertions, 143 deletions
diff --git a/src/pubkey/if_algo/if_algo.cpp b/src/pubkey/if_algo/if_algo.cpp
deleted file mode 100644
index f6aeb69db..000000000
--- a/src/pubkey/if_algo/if_algo.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
-* IF Scheme
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/if_algo.h>
-#include <botan/numthry.h>
-#include <botan/workfactor.h>
-#include <botan/der_enc.h>
-#include <botan/ber_dec.h>
-
-namespace Botan {
-
-size_t IF_Scheme_PublicKey::estimated_strength() const
-   {
-   return dl_work_factor(n.bits());
-   }
-
-AlgorithmIdentifier IF_Scheme_PublicKey::algorithm_identifier() const
-   {
-   return AlgorithmIdentifier(get_oid(),
-                              AlgorithmIdentifier::USE_NULL_PARAM);
-   }
-
-std::vector<byte> IF_Scheme_PublicKey::x509_subject_public_key() const
-   {
-   return DER_Encoder()
-      .start_cons(SEQUENCE)
-         .encode(n)
-         .encode(e)
-      .end_cons()
-      .get_contents_unlocked();
-   }
-
-IF_Scheme_PublicKey::IF_Scheme_PublicKey(const AlgorithmIdentifier&,
-                                         const secure_vector<byte>& key_bits)
-   {
-   BER_Decoder(key_bits)
-      .start_cons(SEQUENCE)
-        .decode(n)
-        .decode(e)
-      .verify_end()
-      .end_cons();
-   }
-
-/*
-* Check IF Scheme Public Parameters
-*/
-bool IF_Scheme_PublicKey::check_key(RandomNumberGenerator&, bool) const
-   {
-   if(n < 35 || n.is_even() || e < 2)
-      return false;
-   return true;
-   }
-
-secure_vector<byte> IF_Scheme_PrivateKey::pkcs8_private_key() const
-   {
-   return DER_Encoder()
-      .start_cons(SEQUENCE)
-         .encode(static_cast<size_t>(0))
-         .encode(n)
-         .encode(e)
-         .encode(d)
-         .encode(p)
-         .encode(q)
-         .encode(d1)
-         .encode(d2)
-         .encode(c)
-      .end_cons()
-   .get_contents();
-   }
-
-IF_Scheme_PrivateKey::IF_Scheme_PrivateKey(RandomNumberGenerator& rng,
-                                           const AlgorithmIdentifier&,
-                                           const secure_vector<byte>& key_bits)
-   {
-   BER_Decoder(key_bits)
-      .start_cons(SEQUENCE)
-         .decode_and_check<size_t>(0, "Unknown PKCS #1 key format version")
-         .decode(n)
-         .decode(e)
-         .decode(d)
-         .decode(p)
-         .decode(q)
-         .decode(d1)
-         .decode(d2)
-         .decode(c)
-      .end_cons();
-
-   load_check(rng);
-   }
-
-IF_Scheme_PrivateKey::IF_Scheme_PrivateKey(RandomNumberGenerator& rng,
-                                           const BigInt& prime1,
-                                           const BigInt& prime2,
-                                           const BigInt& exp,
-                                           const BigInt& d_exp,
-                                           const BigInt& mod)
-   {
-   p = prime1;
-   q = prime2;
-   e = exp;
-   d = d_exp;
-   n = mod.is_nonzero() ? mod : p * q;
-
-   if(d == 0)
-      {
-      BigInt inv_for_d = lcm(p - 1, q - 1);
-      if(e.is_even())
-         inv_for_d >>= 1;
-
-      d = inverse_mod(e, inv_for_d);
-      }
-
-   d1 = d % (p - 1);
-   d2 = d % (q - 1);
-   c = inverse_mod(q, p);
-
-   load_check(rng);
-   }
-
-/*
-* Check IF Scheme Private Parameters
-*/
-bool IF_Scheme_PrivateKey::check_key(RandomNumberGenerator& rng,
-                                     bool strong) const
-   {
-   if(n < 35 || n.is_even() || e < 2 || d < 2 || p < 3 || q < 3 || p*q != n)
-      return false;
-
-   if(!strong)
-      return true;
-
-   if(d1 != d % (p - 1) || d2 != d % (q - 1) || c != inverse_mod(q, p))
-      return false;
-   if(!check_prime(p, rng) || !check_prime(q, rng))
-      return false;
-   return true;
-   }
-
-}