static void keypair(FILE *in, FILE *out)
{
char buf[1024];
char lbuf[1024];
char *keyword, *value;
int dsa2, L, N;
while(fgets(buf,sizeof buf,in) != NULL)
{
if (!parse_line(&keyword, &value, lbuf, buf))
{
continue;
}
if(!strcmp(keyword,"[mod"))
{
if (!parse_mod(value, &dsa2, &L, &N, NULL))
{
fprintf(stderr, "Mod Parse Error\n");
exit (1);
}
fputs(buf,out);
}
else if(!strcmp(keyword,"N"))
{
DSA *dsa;
int n=atoi(value);
dsa = FIPS_dsa_new();
if (!dsa2 && !dsa_builtin_paramgen(dsa, L, N, NULL, NULL, 0,
NULL, NULL, NULL, NULL))
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
if (dsa2 && dsa_builtin_paramgen2(dsa, L, N, NULL, NULL, 0, -1,
NULL, NULL, NULL, NULL) <= 0)
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
do_bn_print_name(out, "P",dsa->p);
do_bn_print_name(out, "Q",dsa->q);
do_bn_print_name(out, "G",dsa->g);
fputs(RESP_EOL, out);
while(n--)
{
if (!DSA_generate_key(dsa))
exit(1);
do_bn_print_name(out, "X",dsa->priv_key);
do_bn_print_name(out, "Y",dsa->pub_key);
fputs(RESP_EOL, out);
}
if (dsa)
FIPS_dsa_free(dsa);
}
}
}
static DSA *dsa_dh_generate(DH_PKEY_CTX *dctx, BN_GENCB *pcb)
{
DSA *ret;
int rv = 0;
int prime_len = dctx->prime_len;
int subprime_len = dctx->subprime_len;
const EVP_MD *md = dctx->md;
if (dctx->use_dsa > 2)
return NULL;
ret = DSA_new();
if (!ret)
return NULL;
if (subprime_len == -1)
{
if (prime_len >= 2048)
subprime_len = 256;
else
subprime_len = 160;
}
if (md == NULL)
{
if (prime_len >= 2048)
md = EVP_sha256();
else
md = EVP_sha1();
}
if (dctx->use_dsa == 1)
rv = dsa_builtin_paramgen(ret, prime_len, subprime_len, md,
NULL, 0, NULL, NULL, NULL, pcb);
else if(dctx->use_dsa == 2)
rv = dsa_builtin_paramgen2(ret, prime_len, subprime_len, md,
NULL, 0, -1, NULL, NULL, NULL, pcb);
if (rv <= 0)
{
DSA_free(ret);
return NULL;
}
return ret;
}
static void siggen(FILE *in, FILE *out)
{
char buf[1024];
char lbuf[1024];
char *keyword, *value;
int dsa2, L, N;
const EVP_MD *md = NULL;
DSA *dsa=NULL;
while(fgets(buf,sizeof buf,in) != NULL)
{
if (!parse_line(&keyword, &value, lbuf, buf))
{
fputs(buf,out);
continue;
}
fputs(buf,out);
if(!strcmp(keyword,"[mod"))
{
if (!parse_mod(value, &dsa2, &L, &N, &md))
{
fprintf(stderr, "Mod Parse Error\n");
exit (1);
}
if (dsa)
FIPS_dsa_free(dsa);
dsa = FIPS_dsa_new();
if (!dsa2 && !dsa_builtin_paramgen(dsa, L, N, md, NULL, 0,
NULL, NULL, NULL, NULL))
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
if (dsa2 && dsa_builtin_paramgen2(dsa, L, N, md, NULL, 0,
NULL, NULL, NULL, NULL) <= 0)
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
do_bn_print_name(out, "P",dsa->p);
do_bn_print_name(out, "Q",dsa->q);
do_bn_print_name(out, "G",dsa->g);
fputs("\n", out);
}
else if(!strcmp(keyword,"Msg"))
{
unsigned char msg[1024];
int n;
EVP_MD_CTX mctx;
DSA_SIG *sig;
FIPS_md_ctx_init(&mctx);
n=hex2bin(value,msg);
if (!DSA_generate_key(dsa))
exit(1);
do_bn_print_name(out, "Y",dsa->pub_key);
FIPS_digestinit(&mctx, md);
FIPS_digestupdate(&mctx, msg, n);
sig = FIPS_dsa_sign_ctx(dsa, &mctx);
do_bn_print_name(out, "R",sig->r);
do_bn_print_name(out, "S",sig->s);
fputs("\n", out);
FIPS_dsa_sig_free(sig);
FIPS_md_ctx_cleanup(&mctx);
}
}
if (dsa)
FIPS_dsa_free(dsa);
}
static void pqgver(FILE *in, FILE *out)
{
char buf[1024];
char lbuf[1024];
char *keyword, *value;
BIGNUM *p = NULL, *q = NULL, *g = NULL;
int counter=-1, counter2;
unsigned long h=0, h2;
DSA *dsa=NULL;
int dsa2, L, N, part_test = 0;
const EVP_MD *md = NULL;
int seedlen=-1;
unsigned char seed[1024];
while(fgets(buf,sizeof buf,in) != NULL)
{
if (!parse_line(&keyword, &value, lbuf, buf))
{
if (p && q)
{
part_test = 1;
goto partial;
}
fputs(buf,out);
continue;
}
fputs(buf, out);
if(!strcmp(keyword,"[mod"))
{
if (!parse_mod(value, &dsa2, &L, &N, &md))
{
fprintf(stderr, "Mod Parse Error\n");
exit (1);
}
}
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"))
{
seedlen = hex2bin(value, seed);
if (!dsa2 && seedlen != 20)
{
fprintf(stderr, "Seed parse length error\n");
exit (1);
}
}
else if(!strcmp(keyword,"c"))
counter =atoi(buf+4);
partial:
if(!strcmp(keyword,"H") || part_test)
{
if (!part_test)
h = atoi(value);
if (!p || !q || (!g && !part_test))
{
fprintf(stderr, "Parse Error\n");
exit (1);
}
dsa = FIPS_dsa_new();
if (!dsa2 && !dsa_builtin_paramgen(dsa, L, N, md,
seed, seedlen, NULL,
&counter2, &h2, NULL))
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
if (dsa2 && dsa_builtin_paramgen2(dsa, L, N, md,
seed, seedlen, NULL,
&counter2, &h2, NULL) < 0)
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
if (BN_cmp(dsa->p, p) || BN_cmp(dsa->q, q) ||
(!part_test &&
((BN_cmp(dsa->g, g) || (counter != counter2) || (h != h2)))))
fprintf(out, "Result = F\n");
else
fprintf(out, "Result = P\n");
BN_free(p);
BN_free(q);
BN_free(g);
p = NULL;
q = NULL;
g = NULL;
FIPS_dsa_free(dsa);
dsa = NULL;
if (part_test)
{
fputs(buf,out);
part_test = 0;
}
}
}
}
static void pqg(FILE *in, FILE *out)
{
char buf[1024];
char lbuf[1024];
char *keyword, *value;
int dsa2, L, N;
const EVP_MD *md = NULL;
while(fgets(buf,sizeof buf,in) != NULL)
{
if (!parse_line(&keyword, &value, lbuf, buf))
{
fputs(buf,out);
continue;
}
if(!strcmp(keyword,"[mod"))
{
fputs(buf,out);
if (!parse_mod(value, &dsa2, &L, &N, &md))
{
fprintf(stderr, "Mod Parse Error\n");
exit (1);
}
}
else if(!strcmp(keyword,"N"))
{
int n=atoi(value);
while(n--)
{
unsigned char seed[EVP_MAX_MD_SIZE];
DSA *dsa;
int counter;
unsigned long h;
dsa = FIPS_dsa_new();
if (!dsa2 && !dsa_builtin_paramgen(dsa, L, N, md,
NULL, 0, seed,
&counter, &h, NULL))
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
if (dsa2 && dsa_builtin_paramgen2(dsa, L, N, md,
NULL, 0, seed,
&counter, &h, NULL) <= 0)
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
do_bn_print_name(out, "P",dsa->p);
do_bn_print_name(out, "Q",dsa->q);
do_bn_print_name(out, "G",dsa->g);
OutputValue("Seed",seed, M_EVP_MD_size(md), out, 0);
fprintf(out, "c = %d\n",counter);
fprintf(out, "H = %lx\n\n",h);
}
}
else
fputs(buf,out);
}
}
static void pqgver(FILE *in, FILE *out)
{
char buf[1024];
char lbuf[1024];
char *keyword, *value;
BIGNUM *p = NULL, *q = NULL, *g = NULL;
int counter=-1, counter2;
unsigned long h=0, h2;
DSA *dsa=NULL;
int dsa2, L, N, part_test = 0;
const EVP_MD *md = NULL;
int seedlen=-1, idxlen, idx = -1;
unsigned char seed[1024], idtmp[1024];
while(fgets(buf,sizeof buf,in) != NULL)
{
if (!parse_line(&keyword, &value, lbuf, buf))
{
if (p && q)
{
part_test = 1;
goto partial;
}
fputs(buf,out);
continue;
}
fputs(buf, out);
if(!strcmp(keyword,"[mod"))
{
if (!parse_mod(value, &dsa2, &L, &N, &md))
{
fprintf(stderr, "Mod Parse Error\n");
exit (1);
}
}
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,"firstseed"))
seedlen = hex2bin(value, seed);
else if(!strcmp(keyword,"pseed"))
seedlen += hex2bin(value, seed + seedlen);
else if(!strcmp(keyword,"qseed"))
seedlen += hex2bin(value, seed + seedlen);
else if(!strcmp(keyword,"Seed")
|| !strcmp(keyword,"domain_parameter_seed"))
{
seedlen = hex2bin(value, seed);
if (!dsa2 && seedlen != 20)
{
fprintf(stderr, "Seed parse length error\n");
exit (1);
}
if (idx > 0)
part_test = 1;
}
else if(!strcmp(keyword,"index"))
{
idxlen = hex2bin(value, idtmp);
if (idxlen != 1)
{
fprintf(stderr, "Index value error\n");
exit (1);
}
idx = idtmp[0];
}
else if(!strcmp(keyword,"c"))
counter = atoi(buf+4);
partial:
if (part_test && idx < 0 && h == 0 && g)
{
dsa = FIPS_dsa_new();
dsa->p = BN_dup(p);
dsa->q = BN_dup(q);
dsa->g = BN_dup(g);
if (dsa_paramgen_check_g(dsa))
fprintf(out, "Result = P" RESP_EOL);
else
fprintf(out, "Result = F" RESP_EOL);
BN_free(p);
BN_free(q);
BN_free(g);
p = NULL;
q = NULL;
g = NULL;
FIPS_dsa_free(dsa);
dsa = NULL;
part_test = 0;
}
else if(!strcmp(keyword,"H") || part_test)
{
if (!part_test)
h = atoi(value);
if (!p || !q || (!g && !part_test))
{
fprintf(stderr, "Parse Error\n");
exit (1);
}
dsa = FIPS_dsa_new();
if (idx >= 0)
{
dsa->p = BN_dup(p);
dsa->q = BN_dup(q);
}
no_err = 1;
if (!dsa2 && !dsa_builtin_paramgen(dsa, L, N, md,
seed, seedlen, NULL,
&counter2, &h2, NULL))
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
if (dsa2 && dsa_builtin_paramgen2(dsa, L, N, md,
seed, seedlen, idx, NULL,
&counter2, &h2, NULL) < 0)
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
no_err = 0;
if (idx >= 0)
{
if (BN_cmp(dsa->g, g))
fprintf(out, "Result = F" RESP_EOL);
else
fprintf(out, "Result = P" RESP_EOL);
}
else if (BN_cmp(dsa->p, p) || BN_cmp(dsa->q, q) ||
(!part_test &&
((BN_cmp(dsa->g, g) || (counter != counter2) || (h != h2)))))
fprintf(out, "Result = F" RESP_EOL);
else
fprintf(out, "Result = P" RESP_EOL);
BN_free(p);
BN_free(q);
BN_free(g);
p = NULL;
q = NULL;
g = NULL;
FIPS_dsa_free(dsa);
dsa = NULL;
if (part_test)
{
if (idx == -1)
fputs(buf,out);
part_test = 0;
}
idx = -1;
}
}
}
static void pqg(FILE *in, FILE *out)
{
char buf[1024];
char lbuf[1024];
char *keyword, *value;
int dsa2, L, N;
const EVP_MD *md = NULL;
BIGNUM *p = NULL, *q = NULL;
enum pqtype { PQG_NONE, PQG_PQ, PQG_G, PQG_GCANON}
pqg_type = PQG_NONE;
int seedlen=-1, idxlen, idx = -1;
unsigned char seed[1024], idtmp[1024];
while(fgets(buf,sizeof buf,in) != NULL)
{
if (buf[0] == '[')
{
if (strstr(buf, "Probable"))
pqg_type = PQG_PQ;
else if (strstr(buf, "Unverifiable"))
pqg_type = PQG_G;
else if (strstr(buf, "Canonical"))
pqg_type = PQG_GCANON;
}
if (!parse_line(&keyword, &value, lbuf, buf))
{
fputs(buf,out);
continue;
}
if (strcmp(keyword, "Num"))
fputs(buf,out);
if(!strcmp(keyword,"[mod"))
{
if (!parse_mod(value, &dsa2, &L, &N, &md))
{
fprintf(stderr, "Mod Parse Error\n");
exit (1);
}
}
else if(!strcmp(keyword,"N")
|| (!strcmp(keyword, "Num") && pqg_type == PQG_PQ))
{
int n=atoi(value);
while(n--)
{
DSA *dsa;
int counter;
unsigned long h;
dsa = FIPS_dsa_new();
if (!dsa2 && !dsa_builtin_paramgen(dsa, L, N, md,
NULL, 0, seed,
&counter, &h, NULL))
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
if (dsa2 && dsa_builtin_paramgen2(dsa, L, N, md,
NULL, 0, -1, seed,
&counter, &h, NULL) <= 0)
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
do_bn_print_name(out, "P",dsa->p);
do_bn_print_name(out, "Q",dsa->q);
if (!dsa2)
do_bn_print_name(out, "G",dsa->g);
OutputValue(dsa2 ? "domain_parameter_seed" : "Seed",
seed, M_EVP_MD_size(md), out, 0);
if (!dsa2)
{
fprintf(out, "c = %d" RESP_EOL, counter);
fprintf(out, "H = %lx" RESP_EOL RESP_EOL,h);
}
else
{
fprintf(out, "counter = %d" RESP_EOL RESP_EOL, counter);
}
FIPS_dsa_free(dsa);
}
}
else if(!strcmp(keyword,"P"))
p=hex2bn(value);
else if(!strcmp(keyword,"Q"))
q=hex2bn(value);
else if(!strcmp(keyword,"domain_parameter_seed"))
seedlen = hex2bin(value, seed);
else if(!strcmp(keyword,"firstseed"))
seedlen = hex2bin(value, seed);
else if(!strcmp(keyword,"pseed"))
seedlen += hex2bin(value, seed + seedlen);
else if(!strcmp(keyword,"qseed"))
seedlen += hex2bin(value, seed + seedlen);
else if(!strcmp(keyword,"index"))
{
idxlen = hex2bin(value, idtmp);
if (idxlen != 1)
{
fprintf(stderr, "Index value error\n");
exit (1);
}
idx = idtmp[0];
}
if ((idx >= 0 && pqg_type == PQG_GCANON) || (q && pqg_type == PQG_G))
{
DSA *dsa;
dsa = FIPS_dsa_new();
dsa->p = p;
dsa->q = q;
p = q = NULL;
if (dsa_builtin_paramgen2(dsa, L, N, md,
seed, seedlen, idx, NULL,
NULL, NULL, NULL) <= 0)
{
fprintf(stderr, "Parameter Generation error\n");
exit(1);
}
do_bn_print_name(out, "G",dsa->g);
FIPS_dsa_free(dsa);
idx = -1;
}
}
}
