test_mpin_dvs_wrong_pk_ZZZ.c.in

/**
 * @file test_mpin_ZZZ.c
 * @author Kealan McCusker
 * @brief Test Designated Verifier Signature (DVS) scheme with incorrect PIN
 *
 * LICENSE
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

/* Test Designated Verifier Signature (DVS) scheme with incorrect PIN*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "mpin_ZZZ.h"
#include "pbc_support.h"
#include "randapi.h"

int main()
{
    int i,PIN1,PIN2,rtn;

    char id[256+4*PFS_ZZZ];
    octet ID = {0,sizeof(id),id};

    // Message to sign
    char m[256];
    octet M= {0,sizeof(m),m};

    /* Hash of the message */
    char hm[PFS_ZZZ];
    octet HM= {0,sizeof(hm), hm};

    char x[PGS_ZZZ],y1[PGS_ZZZ],y2[PGS_ZZZ];
    octet X= {0, sizeof(x),x};
    octet Y1= {0,sizeof(y1),y1};
    octet Y2= {0,sizeof(y2),y2};

    /* Master secret shares */
    char ms1[PGS_ZZZ], ms2[PGS_ZZZ];
    octet MS1= {0,sizeof(ms1),ms1};
    octet MS2= {0,sizeof(ms2),ms2};

    /* Hash values of Client ID */
    char hcid[PFS_ZZZ];
    octet HCID= {0,sizeof(hcid), hcid};

    /* Client secret and shares */
    char cs1[2*PFS_ZZZ+1], cs2[2*PFS_ZZZ+1], sec[2*PFS_ZZZ+1];
    octet SEC= {0,sizeof(sec),sec};
    octet CS1= {0,sizeof(cs1), cs1};
    octet CS2= {0,sizeof(cs2), cs2};

    /* Client Public Key and z */
    char z1[PGS_ZZZ], z2[PGS_ZZZ], pa1[4*PFS_ZZZ], pa2[4*PFS_ZZZ];
    octet Z1= {0,sizeof(z1),z1};
    octet Z2= {0,sizeof(z2),z2};
    octet Pa1= {0,sizeof(pa1),pa1};
    octet Pa2= {0,sizeof(pa2),pa2};

    /* Server secret and shares */
    char ss1[4*PFS_ZZZ], ss2[4*PFS_ZZZ], serverSecret[4*PFS_ZZZ];
    octet ServerSecret= {0,sizeof(serverSecret),serverSecret};
    octet SS1= {0,sizeof(ss1),ss1};
    octet SS2= {0,sizeof(ss2),ss2};

    /* Token stored on computer */
    char token[2*PFS_ZZZ+1];
    octet TOKEN= {0,sizeof(token),token};

    char u[2*PFS_ZZZ+1];
    octet U= {0,sizeof(u),u};

    char hid[2*PFS_ZZZ+1];
    octet HID= {0,sizeof(hid),hid};

    int TimeValue = 0;

    PIN1 = 1234;
    PIN2 = 1234;

    /* Assign the End-User an ID */
    char* user = "testuser@miracl.com";
    OCT_jstring(&ID,user);
    printf("CLIENT: ID %s\n", user);

    char seed[32] = {0};
    octet SEED = {0,sizeof(seed),seed};
    csprng RNG;

    /* unrandom seed value! */
    SEED.len=32;
    for (i=0; i<32; i++) SEED.val[i]=i+1;

    /* initialise random number generator */
    CREATE_CSPRNG(&RNG,&SEED);

    /* Generate random public key and z */
    rtn = MPIN_ZZZ_GET_DVS_KEYPAIR(&RNG,&Z1,&Pa1);
    if (rtn!=0)
    {
        printf("MPIN_ZZZ_GET_DVS_KEYPAIR(&RNG,&Z1,&Pa1) Error %d\n", rtn);
        return 1;
    }
    printf("Z1: 0x");
    OCT_output(&Z1);
    printf("Pa1: 0x");
    OCT_output(&Pa1);

    rtn = MPIN_ZZZ_GET_DVS_KEYPAIR(&RNG,&Z2,&Pa2);
    if (rtn!=0)
    {
        printf("MPIN_ZZZ_GET_DVS_KEYPAIR(&RNG,&Z2,&Pa2) Error %d\n", rtn);
        return 1;
    }
    printf("Z2: 0x");
    OCT_output(&Z2);
    printf("Pa2: 0x");
    OCT_output(&Pa2);

    /* Append Pa to ID */
    OCT_joctet(&ID,&Pa1);
    printf("ID|Pa1: 0x");
    OCT_output(&ID);

    /* Hash ID */
    HASH_ID(HASH_TYPE_MPIN_ZZZ,&ID,&HCID);
    OCT_output(&HCID);

    /* Generate Client master secret for MIRACL and Customer */
    rtn = MPIN_ZZZ_RANDOM_GENERATE(&RNG,&MS1);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_RANDOM_GENERATE(&RNG,&MS1) Error %d\n", rtn);
        return 1;
    }
    rtn = MPIN_ZZZ_RANDOM_GENERATE(&RNG,&MS2);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_RANDOM_GENERATE(&RNG,&MS2) Error %d\n", rtn);
        return 1;
    }
    printf("MASTER SECRET MIRACL:= 0x");
    OCT_output(&MS1);
    printf("MASTER SECRET CUSTOMER:= 0x");
    OCT_output(&MS2);

    /* Generate server secret shares */
    rtn = MPIN_ZZZ_GET_SERVER_SECRET(&MS1,&SS1);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_GET_SERVER_SECRET(&MS1,&SS1) Error %d\n", rtn);
        return 1;
    }
    rtn = MPIN_ZZZ_GET_SERVER_SECRET(&MS2,&SS2);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_GET_SERVER_SECRET(&MS2,&SS2) Error %d\n", rtn);
        return 1;
    }
    printf("SS1 = 0x");
    OCT_output(&SS1);
    printf("SS2 = 0x");
    OCT_output(&SS2);

    /* Combine server secret share */
    rtn = MPIN_ZZZ_RECOMBINE_G2(&SS1, &SS2, &ServerSecret);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_RECOMBINE_G2(&SS1, &SS2, &ServerSecret) Error %d\n", rtn);
        return 1;
    }
    printf("ServerSecret = 0x");
    OCT_output(&ServerSecret);

    /* Generate client secret shares */
    rtn = MPIN_ZZZ_GET_CLIENT_SECRET(&MS1,&HCID,&CS1);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_GET_CLIENT_SECRET(&MS1,&HCID,&CS1) Error %d\n", rtn);
        return 1;
    }
    rtn = MPIN_ZZZ_GET_CLIENT_SECRET(&MS2,&HCID,&CS2);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_GET_CLIENT_SECRET(&MS2,&HCID,&CS2) Error %d\n", rtn);
        return 1;
    }
    printf("CS1 = 0x");
    OCT_output(&CS1);
    printf("CS2 = 0x");
    OCT_output(&CS2);

    /* Combine client secret shares : TOKEN is the full client secret */
    rtn = MPIN_ZZZ_RECOMBINE_G1(&CS1, &CS2, &TOKEN);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_RECOMBINE_G1(&CS1, &CS2, &TOKEN) Error %d\n", rtn);
        return 1;
    }
    printf("Client Secret CS = 0x");
    OCT_output(&TOKEN);

    /* Compute client secret for key escrow less scheme z.CS */
    rtn = MPIN_ZZZ_GET_G1_MULTIPLE(NULL,0,&Z2,&TOKEN,&TOKEN);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_GET_G1_MULTIPLE(NULL,0,&Z,&CS,&CS) Error %d\n", rtn);
        return 1;
    }
    printf("z2.CS: 0x");
    OCT_output(&TOKEN);

    /* Client extracts PIN1 from secret to create Token */
    rtn = MPIN_ZZZ_EXTRACT_PIN(HASH_TYPE_MPIN_ZZZ,&ID, PIN1, &TOKEN);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_EXTRACT_PIN( &ID, PIN, &TOKEN) Error %d\n", rtn);
        return 1;
    }
    printf("Token = 0x");
    OCT_output(&TOKEN);

    /* Client: Sign message */
    TimeValue = GET_TIME();
    printf("TimeValue %d \n", TimeValue);
    char* message = "sign this message";
    OCT_jstring(&M,message);
    HASH_ID(HASH_TYPE_MPIN_ZZZ,&M,&HM);
    printf("HM: 0x");
    OCT_output(&HM);

    rtn = MPIN_ZZZ_CLIENT(HASH_TYPE_MPIN_ZZZ,0,&ID,&RNG,&X,PIN2,&TOKEN,&SEC,&U,NULL,NULL,&HM,TimeValue,&Y1);
    if (rtn != 0)
    {
        printf("MPIN_ZZZ_CLIENT ERROR %d\n", rtn);
        return 1;
    }
    printf("Y1 = 0x");
    OCT_output(&Y1);
    printf("V = 0x");
    OCT_output(&SEC);

    /* Server: Verify message */
    rtn = MPIN_ZZZ_SERVER(HASH_TYPE_MPIN_ZZZ,0,&HID,NULL,&Y2,&ServerSecret,&U,NULL,&SEC,NULL,NULL,&ID,&HM,TimeValue,&Pa1);
    printf("Y2 = 0x");
    OCT_output(&Y2);
    if (rtn != 0)
    {
        printf("FAILURE Signature Verification Error Code %d\n", rtn);
    }
    else
    {
        printf("SUCCESS Error Code %d\n", rtn);
    }

    /* clear memory */
    OCT_clear(&ID);
    OCT_clear(&X);
    OCT_clear(&Y1);
    OCT_clear(&Y2);
    OCT_clear(&MS1);
    OCT_clear(&MS2);
    OCT_clear(&HCID);
    OCT_clear(&SEC);
    OCT_clear(&CS1);
    OCT_clear(&CS2);
    OCT_clear(&ServerSecret);
    OCT_clear(&SS1);
    OCT_clear(&SS2);
    OCT_clear(&TOKEN);
    OCT_clear(&U);
    OCT_clear(&HID);
    OCT_clear(&SEED);
    OCT_clear(&Z1);
    OCT_clear(&Z2);
    OCT_clear(&Pa1);
    OCT_clear(&Pa2);

    KILL_CSPRNG(&RNG);
    return 0;
}