Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

FV SHA512, SHA25, HMAC - final #205

Merged
merged 5 commits into from
Oct 25, 2023
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
201 changes: 201 additions & 0 deletions src/hmac/formal/model/hmac_core.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,201 @@
// -------------------------------------------------
// Contact: [email protected]
// Author: Tobias Ludwig, Michael Schwarz
// -------------------------------------------------
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#ifndef HMAC_H_
#define HMAC_H_

#include "systemc.h"
#include "Interfaces.h"
#include <iostream>
#include <array>
#include <iomanip>
#include <string>

using namespace std;

#define MSG_WIDTH 1024 // b bits
#define PAD_WIDTH 640
#define DIGEST_WIDTH 512
#define KEY_WIDTH 384 // n bits
#define MASK_WIDTH 512

const sc_biguint<MSG_WIDTH> IPAD = sc_biguint<MSG_WIDTH>("0x3636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636");
const sc_biguint<MSG_WIDTH> OPAD = "0x5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c5c";
const sc_biguint<PAD_WIDTH> FINAL_PAD = "0x8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000580";
const sc_biguint<PAD_WIDTH> garbage_vector = "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000000000000000000000000000000000000000000000";

enum state
{
state_IPAD,
state_OPAD,
state_HMAC
};

struct sha_block
{
sc_biguint<MSG_WIDTH> block_msg;
bool init;
bool next;
sc_biguint<74> lfsr_rnd;
};

struct sha_splitter
{
sha_block sha1;
sha_block sha2;
};

struct block
{
sc_biguint<KEY_WIDTH> key;
sc_biguint<MSG_WIDTH> block_msg;
bool init, next;
};

sc_biguint<MSG_WIDTH> key_ipadded(sc_biguint<KEY_WIDTH> key)
{
return (static_cast<sc_biguint<MSG_WIDTH>>((static_cast<sc_biguint<MSG_WIDTH>>(key << (PAD_WIDTH))) ^ IPAD));
}

sc_biguint<MSG_WIDTH> key_opadded(sc_biguint<KEY_WIDTH> key)
{
return (static_cast<sc_biguint<MSG_WIDTH>>(static_cast<sc_biguint<MSG_WIDTH>>(key << (PAD_WIDTH))) ^ OPAD);
}

sc_biguint<MSG_WIDTH> hmac_padded(sc_biguint<KEY_WIDTH> hmac_digest)
{
return (static_cast<sc_biguint<MSG_WIDTH>>(static_cast<sc_biguint<MSG_WIDTH>>(hmac_digest << (PAD_WIDTH))) | FINAL_PAD);
}

SC_MODULE(HMAC)
{
public:
SC_CTOR(HMAC)
{

SC_THREAD(fsm);
}

#ifndef LUBIS
blocking_out<sha_splitter> sha_msg_1 , sha_msg_2;
#else
master_out<sha_splitter> sha_msg /*, sha_msg_2*/;
#endif

blocking_in<sc_biguint<DIGEST_WIDTH>> H1_digest, H2_digest, H1_setup_digest;
blocking_in<block> hmac_msg;

#ifndef LUBIS
blocking_out<sc_biguint<KEY_WIDTH>> tag;

#else
master_out<sc_biguint<KEY_WIDTH>> tag;
#endif

private:
sc_biguint<MSG_WIDTH> sha_msg_input_ipad;
sc_biguint<DIGEST_WIDTH> sha_digest_out_ipad, sha_digest_out_ipad_2, sha_digest_out_opad;
sc_biguint<MSG_WIDTH> S1, S2;
sc_biguint<KEY_WIDTH> temp;
bool first_round;
block hmac;
sc_biguint<MSG_WIDTH> hmac_blk_msg;
sha_splitter sha_inst;
sc_biguint<KEY_WIDTH> key_i;
sc_biguint<MSG_WIDTH> block_msg_i;
bool init_i, next_i;

void fsm()
{

while (true)
{

sha_msg_input_ipad = hmac_padded(sc_biguint<KEY_WIDTH>(0));

hmac_msg->read(hmac, "idle");
cout<<"INIT"<<endl;
if (hmac.init)
{

sha_inst.sha1.block_msg = key_ipadded(hmac.key);
sha_inst.sha1.init = true;
sha_inst.sha1.next = false;
sha_inst.sha2.block_msg = key_opadded(hmac.key);
sha_inst.sha2.init = false;
sha_inst.sha2.next = false;
#ifndef LUBIS
sha_msg_1->write(sha_inst);
#else

sha_msg->master_write(sha_inst);
#endif
cout<<"IPAD"<<endl;
H1_setup_digest->read(sha_digest_out_ipad, "ctrl_ipad");
}

sha_inst.sha2.block_msg = key_opadded(hmac.key);
sha_inst.sha2.next = false;
sha_inst.sha2.init = true;
sha_inst.sha1.block_msg = hmac.block_msg;
sha_inst.sha1.init = false;
sha_inst.sha1.next = true;
#ifndef LUBIS
sha_msg_1->write(sha_inst);
#else
sha_msg->master_write(sha_inst);
#endif
cout<<"OPAD"<<endl;

H1_digest->read(sha_digest_out_ipad, "ctrl_opad");

temp = static_cast<sc_biguint<KEY_WIDTH>>(sha_digest_out_ipad >> 128);

sha_msg_input_ipad = hmac_padded(temp);

sha_inst.sha1.block_msg = key_ipadded(hmac.key);
sha_inst.sha1.init = false;
sha_inst.sha1.next = false;
sha_inst.sha2.block_msg = sha_msg_input_ipad;
sha_inst.sha2.init = false;
sha_inst.sha2.next = true;


#ifndef LUBIS
sha_msg_2->write(sha_inst);
#else
sha_msg->master_write(sha_inst);
#endif
cout<<"ctrl_hmac"<<endl;

H2_digest->read(sha_digest_out_opad, "ctrl_hmac");
insert_state("done_tag");

cout<<"done"<<endl;

#ifndef LUBIS
tag->write((sha_digest_out_opad >> 128));
#else
tag->master_write((sha_digest_out_opad >> 128));
#endif
}
}
};

#endif
180 changes: 180 additions & 0 deletions src/hmac/formal/model/simulation_model/hmac_sha_join.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,180 @@
// -------------------------------------------------
// Contact: [email protected]
// Author: Tobias Ludwig, Michael Schwarz
// -------------------------------------------------
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#ifndef HMAC_SHA_
#define HMAC_SHA_

#include "systemc.h"
#include "Interfaces.h"
#include <iostream>
#include <array>
#include <iomanip>
#include <random>
#include <string>
#include "../hmac_core.h"

using namespace std;

#define MSG_WIDTH 1024 // b bits
#define PAD_WIDTH 640
#define DIGEST_WIDTH 512
#define KEY_WIDTH 384 // n bits
#define MASK_WIDTH 512

SC_MODULE(hmac_sha)
{
public:
SC_CTOR(hmac_sha)
{
SC_THREAD(fsm);
}

blocking_in<sha_splitter> sha_msg_split_1 ,sha_msg_split_2;
blocking_out<sc_biguint<DIGEST_WIDTH>> hmac_setup_digest, hmac_1_digest, hmac_2_digest;

blocking_out<sha_block> h_sha_msg_1, h_sha_msg_2;
blocking_in<sc_biguint<DIGEST_WIDTH>> sha_1_digest, sha_2_digest;

private:
sha_splitter chunk1, chunk2, chunk3;
sha_block shablock1, shablock2;
sc_biguint<1024> MSG_raw_1, MSG_raw_2, block_msg_reg;
sc_biguint<2048> msg_comb;
sc_biguint<104000> MSG_padded, shift_pad;
sc_biguint<DIGEST_WIDTH> sha_digest_out_ipad, sha_digest_out_ipad_2, sha_digest_out_opad;
sc_uint<32> MSG_Length;
sc_biguint<384> expected_result;
sc_biguint<DIGEST_WIDTH> garabage_digest;
bool init_reg, next_reg;

int num = 1;
int zero_pad_len, MSG_chnks, i, j;

void fsm()
{
std::random_device seed;
std::default_random_engine generator(seed());
std::uniform_int_distribution<long long unsigned> distribution(0,0xFFFFFFFFFFFFFFFF);
while (true)
{

// cout << "sha_hmac_read_start" << endl;
sha_msg_split_1->read(chunk1, "ipad_state1");
if (chunk1.sha1.init)
{
shablock1.block_msg = chunk1.sha1.block_msg;
shablock1.init = chunk1.sha1.init;

shablock1.next = chunk1.sha1.next;
shablock2.block_msg = chunk1.sha1.block_msg;
shablock2.init = chunk1.sha2.init;
shablock2.next = chunk1.sha2.next;

h_sha_msg_1->write(shablock1, "send_sha1_key");

sha_1_digest->read(garabage_digest, "sha1_digest_out");
hmac_setup_digest->write(garabage_digest, "read_garbage_digest");
sha_msg_split_1->read(chunk2, "ipad_state2");

MSG_Length = 1024;
MSG_chnks = 2;
// cout << "sha_hmac_read_block" << endl;

MSG_raw_1 = chunk2.sha1.block_msg;

init_reg = chunk2.sha2.init;
block_msg_reg = chunk2.sha2.block_msg;
next_reg = chunk2.sha2.next;

shablock1.init = chunk2.sha1.init;
shablock1.next = chunk2.sha1.next;
}
else
{
MSG_Length = 1024;
MSG_chnks = 2;
// cout << "sha_hmac_read_block" << endl;

MSG_raw_1 = chunk1.sha1.block_msg;

init_reg = chunk1.sha2.init;
block_msg_reg = chunk1.sha2.block_msg;
next_reg = chunk1.sha2.next;

shablock1.init = chunk1.sha1.init;
shablock1.next = chunk1.sha1.next;
}

MSG_padded = static_cast<sc_biguint<104000>>(static_cast<sc_biguint<104000>>(MSG_raw_1 << (1024)) + (static_cast<sc_biguint<104000>>(8) << static_cast<sc_biguint<104000>>(1020)) + static_cast<sc_biguint<104000>>(2048));
//cout << "MSG_padded::" << MSG_padded << endl;
for (i = 0; i < MSG_chnks; ++i)
{
shablock1.lfsr_rnd= static_cast<sc_biguint<74>>(distribution(generator))*sc_biguint<74>(1024) + static_cast<sc_biguint<74>>(distribution(generator));
shablock1.block_msg = static_cast<sc_biguint<1024>>(MSG_padded >> (1024 * (MSG_chnks - 1)));
if (i > 0)
{
shablock1.next = chunk2.sha1.next;
}

h_sha_msg_1->write(shablock1, "send_ipad_msg");
MSG_padded = static_cast<sc_biguint<104000>>(MSG_padded << 1024);
shablock1.init = chunk2.sha1.init;

sha_1_digest->read(sha_digest_out_ipad_2, "sha1_digest_out");
}
hmac_1_digest->write(sha_digest_out_ipad_2, "shaop_IPAD_DIGEST_HMAC");
//////////////////////////////////////

MSG_Length = 1024;
MSG_chnks = 2;
// cout << "sha_hmac_read_digest" << endl;

sha_msg_split_2->read(chunk3, "ipad_state2");
shablock1.block_msg = chunk3.sha1.block_msg;
shablock1.init = chunk3.sha1.init;
shablock1.next = chunk3.sha1.next;
MSG_raw_2 = chunk3.sha2.block_msg;

MSG_padded = ((static_cast<sc_biguint<2048>>(block_msg_reg)) << 1024) | (MSG_raw_2);
// cout << "MSG_padded_sha2::" << MSG_padded << endl;

shablock2.init = init_reg;
shablock2.next = next_reg;

for (j = 0; j < MSG_chnks; j++)
{
shablock2.lfsr_rnd= static_cast<sc_biguint<74>>(distribution(generator))*sc_biguint<74>(1024) + static_cast<sc_biguint<74>>(distribution(generator));
shablock2.block_msg = static_cast<sc_biguint<1024>>(MSG_padded >> (1024 * (MSG_chnks - 1)));
if (j > 0)
{
shablock2.next = chunk3.sha1.next;
}
h_sha_msg_2->write(shablock2, "send_ipad_msg");
MSG_padded = static_cast<sc_biguint<104000>>(MSG_padded << 1024);
shablock2.init = chunk3.sha1.init;
sha_2_digest->read(sha_digest_out_opad, "sha1_digest_out");
}
hmac_2_digest->write(sha_digest_out_opad, "shaop_IPAD_DIGEST_HMAC");

chunk1.sha1.init = chunk3.sha1.init;
}
}
};

#endif
Loading