Commit ac1600c7 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Add pqgver option.

parent eb4a1027

fips-1.0/dsa/fips_dssvs.c

+72 −0
Original line number Diff line number Diff line
@@ -204,6 +204,76 @@ void pqg() 
	}

    }



void pqgver()

    {

    char buf[1024];

    char lbuf[1024];

    char *keyword, *value;

    BIGNUM *p = NULL, *q = NULL, *g = NULL;

    int counter, counter2;

    unsigned long h, h2;

    DSA *dsa=NULL;

    int nmod=0;

    unsigned char seed[1024];



    while(fgets(buf,sizeof buf,stdin) != NULL)

	{

	if (!parse_line(&keyword, &value, lbuf, buf))

		{

		fputs(buf,stdout);

		continue;

		}

	if(!strcmp(keyword,"[mod"))

	    nmod=atoi(value);

	else if(!strcmp(keyword,"P"))

	    p=hex2bn(value);

	else if(!strcmp(keyword,"Q"))

	    q=hex2bn(value);

	else if(!strcmp(keyword,"G"))

	    g=hex2bn(value);

	else if(!strcmp(keyword,"Seed"))

	    {

	    int slen = hex2bin(value, seed);

	    if (slen != 20)

		{

		fprintf(stderr, "Seed parse length error\n");

		exit (1);

		}

	    }

	else if(!strcmp(keyword,"c"))

	    counter =atoi(buf+4);

	else if(!strcmp(keyword,"H"))

	    {

	    h = atoi(value);

	    if (!p || !q || !g)

		{

		fprintf(stderr, "Parse Error\n");

		exit (1);

		}

	    pbn("P",p);

	    pbn("Q",q);

	    pbn("G",g);

	    pv("Seed",seed,20);

	    printf("c = %d\n",counter);

	    printf("H = %lx\n",h);

	    dsa=DSA_generate_parameters(nmod,seed,20,&counter2,&h2,NULL,NULL);

            if (BN_cmp(dsa->p, p) || BN_cmp(dsa->q, q) || BN_cmp(dsa->g, g)

		|| (counter != counter2) || (h != h2))

	    	printf("Result = F\n");

	    else

	    	printf("Result = T\n");

	    BN_free(p);

	    BN_free(q);

	    BN_free(g);

	    p = NULL;

	    q = NULL;

	    g = NULL;

	    DSA_free(dsa);

	    dsa = NULL;

	    }

	}

    }



void keypair()

    {

    char buf[1024];
@@ -377,6 +447,8 @@ int main(int argc,char **argv) 
	primes();

    else if(!strcmp(argv[1],"pqg"))

	pqg();

    else if(!strcmp(argv[1],"pqgver"))

	pqgver();

    else if(!strcmp(argv[1],"keypair"))

	keypair();

    else if(!strcmp(argv[1],"siggen"))