Remove sign and verify ops from key types

2 files changed, 0 insertions, 55 deletions

diff --git a/src/pubkey/rw/rw.cpp b/src/pubkey/rw/rw.cpp
index 85b10a69d..a1df0649b 100644
--- a/src/pubkey/rw/rw.cpp
+++ b/src/pubkey/rw/rw.cpp
@@ -15,34 +15,6 @@
 namespace Botan {
 
 /*
-* Rabin-Williams Public Operation
-*/
-BigInt RW_PublicKey::public_op(const BigInt& i) const
-   {
-   if((i > (n >> 1)) || i.is_negative())
-      throw Invalid_Argument(algo_name() + "::public_op: i > n / 2 || i < 0");
-
-   BigInt r = core.public_op(i);
-   if(r % 16 == 12) return r;
-   if(r % 8 == 6)   return 2*r;
-
-   r = n - r;
-   if(r % 16 == 12) return r;
-   if(r % 8 == 6)   return 2*r;
-
-   throw Invalid_Argument(algo_name() + "::public_op: Invalid input");
-   }
-
-/*
-* Rabin-Williams Verification Function
-*/
-SecureVector<byte> RW_PublicKey::verify(const byte in[], u32bit len) const
-   {
-   BigInt i(in, len);
-   return BigInt::encode(public_op(i));
-   }
-
-/*
 * Create a Rabin-Williams private key
 */
 RW_PrivateKey::RW_PrivateKey(RandomNumberGenerator& rng,
@@ -74,27 +46,6 @@ RW_PrivateKey::RW_PrivateKey(RandomNumberGenerator& rng,
    }
 
 /*
-* Rabin-Williams Signature Operation
-*/
-SecureVector<byte> RW_PrivateKey::sign(const byte in[], u32bit len,
-                                       RandomNumberGenerator&) const
-   {
-   BigInt i(in, len);
-   if(i >= n || i % 16 != 12)
-      throw Invalid_Argument(algo_name() + "::sign: Invalid input");
-
-   BigInt r;
-   if(jacobi(i, n) == 1) r = core.private_op(i);
-   else                  r = core.private_op(i >> 1);
-
-   r = std::min(r, n - r);
-   if(i != public_op(r))
-      throw Self_Test_Failure(algo_name() + " private operation check failed");
-
-   return BigInt::encode_1363(r, n.bytes());
-   }
-
-/*
 * Check Private Rabin-Williams Parameters
 */
 bool RW_PrivateKey::check_key(RandomNumberGenerator& rng, bool strong) const
diff --git a/src/pubkey/rw/rw.h b/src/pubkey/rw/rw.h
index 688e1db7f..232051862 100644
--- a/src/pubkey/rw/rw.h
+++ b/src/pubkey/rw/rw.h
@@ -21,8 +21,6 @@ class BOTAN_DLL RW_PublicKey : public PK_Verifying_with_MR_Key,
    public:
       std::string algo_name() const { return "RW"; }
 
-      SecureVector<byte> verify(const byte[], u32bit) const;
-
       RW_PublicKey(const AlgorithmIdentifier& alg_id,
                    const MemoryRegion<byte>& key_bits) :
          IF_Scheme_PublicKey(alg_id, key_bits)
@@ -38,7 +36,6 @@ class BOTAN_DLL RW_PublicKey : public PK_Verifying_with_MR_Key,
 
    protected:
       RW_PublicKey() {}
-      BigInt public_op(const BigInt&) const;
    };
 
 /*
@@ -63,9 +60,6 @@ class BOTAN_DLL RW_PrivateKey : public RW_PublicKey,
       RW_PrivateKey(RandomNumberGenerator& rng, u32bit bits, u32bit = 2);
 
       bool check_key(RandomNumberGenerator& rng, bool) const;
-
-      SecureVector<byte> sign(const byte[], u32bit,
-                              RandomNumberGenerator& rng) const;
    };
 
 class BOTAN_DLL RW_Signature_Operation : public PK_Ops::Signature