test/test_ecdh_ZZZ.c.in

/*
    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.
*/
/**
 * @file test_ecdh_ZZZ.c
 * @author Kealan McCusker
 * @brief Test function for ECDH
 *
 */

/* Build executible after installation:

  gcc -std=c99 -g ./test_ecdh.c -I/opt/amcl/include -L/opt/amcl/lib -lamcl -lecdh -o test_ecdh

*/

#include "ecdh_ZZZ.h"
#include "utils.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define LINE_LEN 500
//#define DEBUG

int main(int argc, char** argv)
{
    if (argc != 2)
    {
        printf("usage: ./test_ecdh_ZZZ [path to test vector file]\n");
        exit(EXIT_FAILURE);
    }
    int rc;
    FILE * fp = NULL;
    char line[LINE_LEN];
    char * linePtr = NULL;
    int l1=0, l2=0, i=0;

    char raw[256], key[AESKEY_ZZZ], ciphertext[AESKEY_ZZZ*2], res[AESKEY_ZZZ*2], plaintext[AESKEY_ZZZ*2];
    octet Key= {0,sizeof(key),key}, Ciphertext= {0,sizeof(ciphertext),ciphertext}, Plaintext= {0,sizeof(plaintext),plaintext}, Res= {0,sizeof(res),res};
    csprng rng;

    /* Fake random source */
    RAND_clean(&rng);
    for (i=0; i<256; i++) raw[i]=(char)i;
    RAND_seed(&rng,256,raw);


    char QCAVSx[EGS_ZZZ];
    const char* QCAVSxStr = "QCAVSx = ";
    octet QCAVSxOct = {EGS_ZZZ,EGS_ZZZ,QCAVSx};

#if CURVETYPE_ZZZ!=MONTGOMERY
    char QCAVSy[EGS_ZZZ];
    const char* QCAVSyStr = "QCAVSy = ";
    octet QCAVSyOct = {EGS_ZZZ,EGS_ZZZ,QCAVSy};
#endif

    char * dIUT = NULL;
    const char* dIUTStr = "dIUT = ";
    octet dIUTOct;

    char QIUTx[EGS_ZZZ];
    const char* QIUTxStr = "QIUTx = ";
    octet QIUTxOct = {EGS_ZZZ,EGS_ZZZ,QIUTx};

#if CURVETYPE_ZZZ!=MONTGOMERY
    char QIUTy[EGS_ZZZ];
    const char* QIUTyStr = "QIUTy = ";
    octet QIUTyOct = {EGS_ZZZ,EGS_ZZZ,QIUTy};
#endif

    char * ZIUT = NULL;
    const char* ZIUTStr = "ZIUT = ";
    octet ZIUTOct;

    char q[2*EFS_ZZZ+1];
    octet QOct= {0,sizeof(q),q};
    char z[EFS_ZZZ];
    octet ZOct= {0,sizeof(z),z};

    fp = fopen(argv[1], "r");
    if (fp == NULL)
    {
        printf("ERROR opening test vector file\n");
        exit(EXIT_FAILURE);
    }

    bool readLine = false;
    while (fgets(line, LINE_LEN, fp) != NULL)
    {
        i++;
        readLine = true;
        if (!strncmp(line, QCAVSxStr, strlen(QCAVSxStr)))
        {
#ifdef DEBUG
            printf("line %d %s\n", i,line);
#endif
            // Find hex value in string
            linePtr = line + strlen(QCAVSxStr);

            // Allocate data
            l1 = strlen(linePtr)-1;

            // QCAVSx binary value
            amcl_hex2bin(linePtr, QCAVSx, l1);
        }

#if CURVETYPE_ZZZ!=MONTGOMERY
        if (!strncmp(line, QCAVSyStr, strlen(QCAVSyStr)))
        {
#ifdef DEBUG
            printf("line %d %s\n", i,line);
#endif
            // Find hex value in string
            linePtr = line + strlen(QCAVSyStr);

            // Allocate data
            l1 = strlen(linePtr)-1;

            // QCAVSy binary value
            amcl_hex2bin(linePtr, QCAVSy, l1);
        }
#endif

        if (!strncmp(line, dIUTStr, strlen(dIUTStr)))
        {
#ifdef DEBUG
            printf("line %d %s\n", i,line);
#endif
            // Find hex value in string
            linePtr = line + strlen(dIUTStr);

            // Allocate memory
            l1 = strlen(linePtr)-1;
            l2 = l1/2;
            dIUT = (char*) malloc (l2);
            if (dIUT==NULL)
            {
                fclose(fp);
                exit(EXIT_FAILURE);
            }

            // dIUT binary value
            amcl_hex2bin(linePtr, dIUT, l1);

            dIUTOct.len=l2;
            dIUTOct.max=l2;
            dIUTOct.val=dIUT;
        }

        if (!strncmp(line, QIUTxStr, strlen(QIUTxStr)))
        {
#ifdef DEBUG
            printf("line %d %s\n", i,line);
#endif
            // Find hex value in string
            linePtr = line + strlen(QIUTxStr);

            // Allocate data
            l1 = strlen(linePtr)-1;

            // QIUTx binary value
            amcl_hex2bin(linePtr, QIUTx, l1);
        }

#if CURVETYPE_ZZZ!=MONTGOMERY
        if (!strncmp(line, QIUTyStr, strlen(QIUTyStr)))
        {
#ifdef DEBUG
            printf("line %d %s\n", i,line);
#endif
            // Find hex value in string
            linePtr = line + strlen(QIUTyStr);

            // Allocate data
            l1 = strlen(linePtr)-1;

            // QIUTy binary value
            amcl_hex2bin(linePtr, QIUTy, l1);
        }
#endif

        if (!strncmp(line, ZIUTStr, strlen(ZIUTStr)))
        {
#ifdef DEBUG
            printf("line %d %s\n", i,line);
#endif
            // Find hex value in string
            linePtr = line + strlen(ZIUTStr);

            // Allocate memory
            l1 = strlen(linePtr)-1;
            l2 = l1/2;
            ZIUT = (char*) malloc (l2);
            if (ZIUT==NULL)
            {
                fclose(fp);
                exit(EXIT_FAILURE);
            }
            // ZIUT binary value
            amcl_hex2bin(linePtr, ZIUT, l1);

            ZIUTOct.len=l2;
            ZIUTOct.max=l2;
            ZIUTOct.val=ZIUT;

            // Assign QIUT
            char q1[2*EFS_ZZZ+1];
            octet QIUTOct= {0,sizeof(q1),q1};
#if CURVETYPE_ZZZ!=MONTGOMERY
            QIUTOct.val[0]=4;
            QIUTOct.len=1;
            OCT_joctet(&QIUTOct,&QIUTxOct);
            OCT_joctet(&QIUTOct,&QIUTyOct);
#else
            QIUTOct.val[0]=2;
            QIUTOct.len=1;
            OCT_joctet(&QIUTOct,&QIUTxOct);
#endif

            // Assign QCAVS
            char q2[2*EFS_ZZZ+1];
            octet QCAVSOct= {0,sizeof(q2),q2};
#if CURVETYPE_ZZZ!=MONTGOMERY
            QCAVSOct.val[0]=4;
            QCAVSOct.len=1;
            OCT_joctet(&QCAVSOct,&QCAVSxOct);
            OCT_joctet(&QCAVSOct,&QCAVSyOct);
#else
            QCAVSOct.val[0]=2;
            QCAVSOct.len=1;
            OCT_joctet(&QCAVSOct,&QCAVSxOct);
#endif
            // Check correct public key generated
            ECP_ZZZ_KEY_PAIR_GENERATE(NULL,&dIUTOct,&QOct);
            rc = OCT_comp(&QOct,&QIUTOct);
            if (!rc)
            {
                printf("ERROR: TEST ECDH KEYPAIR FAILED LINE %d\n",i);
#ifdef DEBUG
                printf("\nline %d QOct:    ",i);
                OCT_output(&QOct);
                printf("\nline %d QIUTOct: ",i);
                OCT_output(&QIUTOct);
                printf("\n");
#endif
                fclose(fp);
                exit(EXIT_FAILURE);
            }

            // Check correct shared value generated
            ECP_ZZZ_SVDP_DH(&dIUTOct,&QCAVSOct,&ZOct);
            rc = OCT_comp(&ZOct,&ZIUTOct);
            if (!rc)
            {

                printf("TEST ECDH Z FAILED LINE %d\n",i);
#ifdef DEBUG
                printf("\nline %d ZOct: ",i);
                OCT_output(&ZOct);
                printf("\nline %dZIUTOct: ",i);
                OCT_output(&ZIUTOct);
                printf("\n");
#endif
                fclose(fp);
                exit(EXIT_FAILURE);
            }
            free(dIUT);
            dIUT = NULL;
            free(ZIUT);
            ZIUT = NULL;
        }
    }
    fclose(fp);
    if (!readLine)
    {
        printf("ERROR Empty test vector file\n");
        exit(EXIT_FAILURE);
    }

// Self test AES-CBC
    for(i=0; i<20; i++)
    {
        OCT_rand(&Key,&rng,AESKEY_ZZZ*2);
        OCT_rand(&Plaintext,&rng,AESKEY_ZZZ);
        OCT_copy(&Res,&Plaintext);

        AES_CBC_IV0_ENCRYPT(&Key,&Plaintext,&Ciphertext);
        rc = AES_CBC_IV0_DECRYPT(&Key,&Ciphertext,&Plaintext);
        if (!rc || !OCT_comp(&Plaintext,&Res))
        {
            printf("ERROR AES_CBC decryption failed\n");
            exit(EXIT_FAILURE);
        }
    }

    printf("SUCCESS TEST ECDH KEYPAIR PASSED\n");
    exit(EXIT_SUCCESS);
}