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-rw-r--r--src/pubkey/dsa/dsa.cpp13
-rw-r--r--src/pubkey/dsa/dsa.h6
-rw-r--r--src/pubkey/dsa/dsa_core.cpp63
-rw-r--r--src/pubkey/dsa/dsa_core.h37
-rw-r--r--src/pubkey/dsa/dsa_op.cpp73
-rw-r--r--src/pubkey/dsa/dsa_op.h59
-rw-r--r--src/pubkey/dsa/info.txt12
7 files changed, 0 insertions, 263 deletions
diff --git a/src/pubkey/dsa/dsa.cpp b/src/pubkey/dsa/dsa.cpp
index 52df9827f..60414195d 100644
--- a/src/pubkey/dsa/dsa.cpp
+++ b/src/pubkey/dsa/dsa.cpp
@@ -19,16 +19,6 @@ DSA_PublicKey::DSA_PublicKey(const DL_Group& grp, const BigInt& y1)
{
group = grp;
y = y1;
- core = DSA_Core(group, y);
- }
-
-/*
-* DSA Verification Function
-*/
-bool DSA_PublicKey::verify(const byte msg[], u32bit msg_len,
- const byte sig[], u32bit sig_len) const
- {
- return core.verify(msg, msg_len, sig, sig_len);
}
/*
@@ -46,8 +36,6 @@ DSA_PrivateKey::DSA_PrivateKey(RandomNumberGenerator& rng,
y = power_mod(group_g(), x, group_p());
- core = DSA_Core(group, y, x);
-
if(x_arg == 0)
gen_check(rng);
else
@@ -60,7 +48,6 @@ DSA_PrivateKey::DSA_PrivateKey(const AlgorithmIdentifier& alg_id,
DL_Scheme_PrivateKey(alg_id, key_bits, DL_Group::ANSI_X9_57)
{
y = power_mod(group_g(), x, group_p());
- core = DSA_Core(group, y, x);
load_check(rng);
}
diff --git a/src/pubkey/dsa/dsa.h b/src/pubkey/dsa/dsa.h
index 68ae34235..f8db77a1b 100644
--- a/src/pubkey/dsa/dsa.h
+++ b/src/pubkey/dsa/dsa.h
@@ -12,7 +12,6 @@
#include <botan/pk_ops.h>
#include <botan/reducer.h>
#include <botan/pow_mod.h>
-#include <botan/dsa_core.h>
namespace Botan {
@@ -30,20 +29,15 @@ class BOTAN_DLL DSA_PublicKey : public PK_Verifying_wo_MR_Key,
u32bit message_part_size() const { return group_q().bytes(); }
u32bit max_input_bits() const { return group_q().bits(); }
- bool verify(const byte msg[], u32bit msg_len,
- const byte sig[], u32bit sig_len) const;
-
DSA_PublicKey(const AlgorithmIdentifier& alg_id,
const MemoryRegion<byte>& key_bits) :
DL_Scheme_PublicKey(alg_id, key_bits, DL_Group::ANSI_X9_57)
{
- core = DSA_Core(group, y);
}
DSA_PublicKey(const DL_Group& group, const BigInt& y);
protected:
DSA_PublicKey() {}
- DSA_Core core;
};
/*
diff --git a/src/pubkey/dsa/dsa_core.cpp b/src/pubkey/dsa/dsa_core.cpp
deleted file mode 100644
index d952e10eb..000000000
--- a/src/pubkey/dsa/dsa_core.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
-* DSA Core
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/dsa_core.h>
-#include <botan/numthry.h>
-#include <botan/internal/pk_engine.h>
-#include <botan/parsing.h>
-#include <algorithm>
-
-namespace Botan {
-
-/*
-* DSA_Core Constructor
-*/
-DSA_Core::DSA_Core(const DL_Group& group, const BigInt& y, const BigInt& x)
- {
- op = Engine_Core::dsa_op(group, y, x);
- }
-
-/*
-* DSA_Core Copy Constructor
-*/
-DSA_Core::DSA_Core(const DSA_Core& core)
- {
- op = 0;
- if(core.op)
- op = core.op->clone();
- }
-
-/*
-* DSA_Core Assignment Operator
-*/
-DSA_Core& DSA_Core::operator=(const DSA_Core& core)
- {
- delete op;
- if(core.op)
- op = core.op->clone();
- return (*this);
- }
-
-/*
-* DSA Verification Operation
-*/
-bool DSA_Core::verify(const byte msg[], u32bit msg_length,
- const byte sig[], u32bit sig_length) const
- {
- return op->verify(msg, msg_length, sig, sig_length);
- }
-
-/*
-* DSA Signature Operation
-*/
-SecureVector<byte> DSA_Core::sign(const byte in[], u32bit length,
- const BigInt& k) const
- {
- return op->sign(in, length, k);
- }
-
-}
diff --git a/src/pubkey/dsa/dsa_core.h b/src/pubkey/dsa/dsa_core.h
deleted file mode 100644
index 8bb16211f..000000000
--- a/src/pubkey/dsa/dsa_core.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
-* DSA Core
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_DSA_CORE_H__
-#define BOTAN_DSA_CORE_H__
-
-#include <botan/dsa_op.h>
-#include <botan/dl_group.h>
-
-namespace Botan {
-
-/*
-* DSA Core
-*/
-class BOTAN_DLL DSA_Core
- {
- public:
- SecureVector<byte> sign(const byte[], u32bit, const BigInt&) const;
- bool verify(const byte[], u32bit, const byte[], u32bit) const;
-
- DSA_Core& operator=(const DSA_Core&);
-
- DSA_Core() { op = 0; }
- DSA_Core(const DSA_Core&);
- DSA_Core(const DL_Group&, const BigInt&, const BigInt& = 0);
- ~DSA_Core() { delete op; }
- private:
- DSA_Operation* op;
- };
-
-}
-
-#endif
diff --git a/src/pubkey/dsa/dsa_op.cpp b/src/pubkey/dsa/dsa_op.cpp
deleted file mode 100644
index 5b921441d..000000000
--- a/src/pubkey/dsa/dsa_op.cpp
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
-* DSA Operations
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/dsa_op.h>
-
-namespace Botan {
-
-/*
-* Default_DSA_Op Constructor
-*/
-Default_DSA_Op::Default_DSA_Op(const DL_Group& grp, const BigInt& y1,
- const BigInt& x1) : x(x1), y(y1), group(grp)
- {
- powermod_g_p = Fixed_Base_Power_Mod(group.get_g(), group.get_p());
- powermod_y_p = Fixed_Base_Power_Mod(y, group.get_p());
- mod_p = Modular_Reducer(group.get_p());
- mod_q = Modular_Reducer(group.get_q());
- }
-
-/*
-* Default DSA Verify Operation
-*/
-bool Default_DSA_Op::verify(const byte msg[], u32bit msg_len,
- const byte sig[], u32bit sig_len) const
- {
- const BigInt& q = group.get_q();
-
- if(sig_len != 2*q.bytes() || msg_len > q.bytes())
- return false;
-
- BigInt r(sig, q.bytes());
- BigInt s(sig + q.bytes(), q.bytes());
- BigInt i(msg, msg_len);
-
- if(r <= 0 || r >= q || s <= 0 || s >= q)
- return false;
-
- s = inverse_mod(s, q);
- s = mod_p.multiply(powermod_g_p(mod_q.multiply(s, i)),
- powermod_y_p(mod_q.multiply(s, r)));
-
- return (mod_q.reduce(s) == r);
- }
-
-/*
-* Default DSA Sign Operation
-*/
-SecureVector<byte> Default_DSA_Op::sign(const byte in[], u32bit length,
- const BigInt& k) const
- {
- if(x == 0)
- throw Internal_Error("Default_DSA_Op::sign: No private key");
-
- const BigInt& q = group.get_q();
- BigInt i(in, length);
-
- BigInt r = mod_q.reduce(powermod_g_p(k));
- BigInt s = mod_q.multiply(inverse_mod(k, q), mul_add(x, r, i));
-
- if(r.is_zero() || s.is_zero())
- throw Internal_Error("Default_DSA_Op::sign: r or s was zero");
-
- SecureVector<byte> output(2*q.bytes());
- r.binary_encode(output + (output.size() / 2 - r.bytes()));
- s.binary_encode(output + (output.size() - s.bytes()));
- return output;
- }
-
-}
diff --git a/src/pubkey/dsa/dsa_op.h b/src/pubkey/dsa/dsa_op.h
deleted file mode 100644
index 47a9d09e1..000000000
--- a/src/pubkey/dsa/dsa_op.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
-* DSA Operations
-* (C) 1999-2008 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_DSA_OPS_H__
-#define BOTAN_DSA_OPS_H__
-
-#include <botan/numthry.h>
-#include <botan/pow_mod.h>
-#include <botan/reducer.h>
-#include <botan/dl_group.h>
-
-namespace Botan {
-
-/*
-* DSA Operation
-*/
-class BOTAN_DLL DSA_Operation
- {
- public:
- virtual bool verify(const byte msg[], u32bit msg_len,
- const byte sig[], u32bit sig_len) const = 0;
-
- virtual SecureVector<byte> sign(const byte msg[], u32bit msg_len,
- const BigInt& k) const = 0;
-
- virtual DSA_Operation* clone() const = 0;
-
- virtual ~DSA_Operation() {}
- };
-
-/*
-* Botan's Default DSA Operation
-*/
-class BOTAN_DLL Default_DSA_Op : public DSA_Operation
- {
- public:
- bool verify(const byte msg[], u32bit msg_len,
- const byte sig[], u32bit sig_len) const;
-
- SecureVector<byte> sign(const byte msg[], u32bit msg_len,
- const BigInt& k) const;
-
- DSA_Operation* clone() const { return new Default_DSA_Op(*this); }
-
- Default_DSA_Op(const DL_Group&, const BigInt&, const BigInt&);
- private:
- const BigInt x, y;
- const DL_Group group;
- Fixed_Base_Power_Mod powermod_g_p, powermod_y_p;
- Modular_Reducer mod_p, mod_q;
- };
-
-}
-
-#endif
diff --git a/src/pubkey/dsa/info.txt b/src/pubkey/dsa/info.txt
index 1248cf68d..d59fe7aa7 100644
--- a/src/pubkey/dsa/info.txt
+++ b/src/pubkey/dsa/info.txt
@@ -1,17 +1,5 @@
define DSA
-<header:public>
-dsa.h
-dsa_core.h
-dsa_op.h
-</header:public>
-
-<source>
-dsa.cpp
-dsa_core.cpp
-dsa_op.cpp
-</source>
-
<requires>
dl_algo
dl_group
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 14:26:34 +0000