int main(int argc, char **argv)
{
- printf("No FIPS DSA support\n");
+ printf("No FIPS ECDSA support\n");
return(0);
}
#else
#include <openssl/objects.h>
-static int lookup_curve(const char *curve_name)
+static int lookup_curve(char *in, char *curve_name, const EVP_MD **pmd)
{
- char cname[6];
- strncpy(cname, curve_name, 5);
- cname[5] = 0;
+ char *cname, *p;
+ /* Copy buffer as we will change it */
+ strcpy(curve_name, in);
+ cname = curve_name + 1;
+ p = strchr(cname, ']');
+ if (!p)
+ {
+ fprintf(stderr, "Parse error: missing ]\n");
+ return NID_undef;
+ }
+ *p = 0;
+ p = strchr(cname, ',');
+ if (p)
+ {
+ if (!pmd)
+ {
+ fprintf(stderr, "Parse error: unexpected digest\n");
+ return NID_undef;
+ }
+ *p = 0;
+ p++;
+
+ if (!strcmp(p, "SHA-1"))
+ *pmd = EVP_sha1();
+ else if (!strcmp(p, "SHA-224"))
+ *pmd = EVP_sha224();
+ else if (!strcmp(p, "SHA-256"))
+ *pmd = EVP_sha256();
+ else if (!strcmp(p, "SHA-384"))
+ *pmd = EVP_sha384();
+ else if (!strcmp(p, "SHA-512"))
+ *pmd = EVP_sha512();
+ else
+ {
+ fprintf(stderr, "Unknown digest %s\n", p);
+ return NID_undef;
+ }
+ }
+ else if(pmd)
+ *pmd = EVP_sha1();
+
if (!strcmp(cname, "B-163"))
return NID_sect163r2;
if (!strcmp(cname, "B-233"))
return NID_undef;
}
+static int ec_get_pubkey(EC_KEY *key, BIGNUM *x, BIGNUM *y)
+ {
+ const EC_POINT *pt;
+ const EC_GROUP *grp;
+ const EC_METHOD *meth;
+ int rv;
+ BN_CTX *ctx;
+ ctx = BN_CTX_new();
+ if (!ctx)
+ return 0;
+ grp = EC_KEY_get0_group(key);
+ pt = EC_KEY_get0_public_key(key);
+ meth = EC_GROUP_method_of(grp);
+ if (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field)
+ rv = EC_POINT_get_affine_coordinates_GFp(grp, pt, x, y, ctx);
+ else
+ rv = EC_POINT_get_affine_coordinates_GF2m(grp, pt, x, y, ctx);
+
+ BN_CTX_free(ctx);
+
+ return rv;
+
+ }
+
+static int KeyPair(void)
+ {
+ char buf[2048], lbuf[2048];
+ char *keyword, *value;
+ int curve_nid = NID_undef;
+ int i, count;
+ BIGNUM *Qx = NULL, *Qy = NULL;
+ const BIGNUM *d = NULL;
+ EC_KEY *key = NULL;
+ Qx = BN_new();
+ Qy = BN_new();
+ while(fgets(buf, sizeof buf, stdin) != NULL)
+ {
+ if (*buf == '[' && buf[2] == '-')
+ {
+ if (buf[2] == '-')
+ curve_nid = lookup_curve(buf, lbuf, NULL);
+ fputs(buf, stdout);
+ continue;
+ }
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ {
+ fputs(buf, stdout);
+ continue;
+ }
+ if (!strcmp(keyword, "N"))
+ {
+ count = atoi(value);
+
+ for (i = 0; i < count; i++)
+ {
+
+ key = EC_KEY_new_by_curve_name(curve_nid);
+ if (!EC_KEY_generate_key(key))
+ {
+ fprintf(stderr, "Error generating key\n");
+ return 0;
+ }
+
+ if (!ec_get_pubkey(key, Qx, Qy))
+ {
+ fprintf(stderr, "Error getting public key\n");
+ return 0;
+ }
+
+ d = EC_KEY_get0_private_key(key);
+
+ do_bn_print_name(stdout, "d", d);
+ do_bn_print_name(stdout, "Qx", Qx);
+ do_bn_print_name(stdout, "Qy", Qy);
+ fputs("\n", stdout);
+ EC_KEY_free(key);
+
+ }
+
+ }
+
+ }
+ BN_free(Qx);
+ BN_free(Qy);
+ return 1;
+ }
+
static int PKV(void)
{
- char buf[1024], lbuf[1024];
+ char buf[2048], lbuf[2048];
char *keyword, *value;
int curve_nid = NID_undef;
BIGNUM *Qx = NULL, *Qy = NULL;
while(fgets(buf, sizeof buf, stdin) != NULL)
{
fputs(buf, stdout);
- if (*buf == '[')
+ if (*buf == '[' && buf[2] == '-')
{
- curve_nid = lookup_curve(buf + 1);
+ curve_nid = lookup_curve(buf, lbuf, NULL);
if (curve_nid == NID_undef)
return 0;
return 1;
}
-static int SigVer(void)
+static int SigGen(void)
{
- char buf[1024], lbuf[1024];
+ char buf[2048], lbuf[2048];
char *keyword, *value;
unsigned char *msg;
int curve_nid = NID_undef;
long mlen;
BIGNUM *Qx = NULL, *Qy = NULL;
EC_KEY *key = NULL;
+ ECDSA_SIG *sig = NULL;
+ const EVP_MD *digest = NULL;
+ EVP_MD_CTX mctx;
+ EVP_MD_CTX_init(&mctx);
+ Qx = BN_new();
+ Qy = BN_new();
+ while(fgets(buf, sizeof buf, stdin) != NULL)
+ {
+ fputs(buf, stdout);
+ if (*buf == '[')
+ {
+ curve_nid = lookup_curve(buf, lbuf, &digest);
+ if (curve_nid == NID_undef)
+ return 0;
+ }
+ if (!parse_line(&keyword, &value, lbuf, buf))
+ continue;
+ if (!strcmp(keyword, "Msg"))
+ {
+ msg = hex2bin_m(value, &mlen);
+ if (!msg)
+ {
+ fprintf(stderr, "Invalid Message\n");
+ return 0;
+ }
+
+ key = EC_KEY_new_by_curve_name(curve_nid);
+ if (!EC_KEY_generate_key(key))
+ {
+ fprintf(stderr, "Error generating key\n");
+ return 0;
+ }
+
+ if (!ec_get_pubkey(key, Qx, Qy))
+ {
+ fprintf(stderr, "Error getting public key\n");
+ return 0;
+ }
+
+ FIPS_digestinit(&mctx, digest);
+ FIPS_digestupdate(&mctx, msg, mlen);
+ sig = FIPS_ecdsa_sign_ctx(key, &mctx);
+
+ if (!sig)
+ {
+ fprintf(stderr, "Error signing message\n");
+ return 0;
+ }
+
+ do_bn_print_name(stdout, "Qx", Qx);
+ do_bn_print_name(stdout, "Qy", Qy);
+ do_bn_print_name(stdout, "R", sig->r);
+ do_bn_print_name(stdout, "S", sig->s);
+
+ EC_KEY_free(key);
+
+ FIPS_ecdsa_sig_free(sig);
+
+ }
+
+ }
+ BN_free(Qx);
+ BN_free(Qy);
+ FIPS_md_ctx_cleanup(&mctx);
+ return 1;
+ }
+
+static int SigVer(void)
+ {
+ char buf[2048], lbuf[2048];
+ char *keyword, *value;
+ unsigned char *msg = NULL;
+ int curve_nid = NID_undef;
+ long mlen;
+ BIGNUM *Qx = NULL, *Qy = NULL;
+ EC_KEY *key = NULL;
ECDSA_SIG sg, *sig = &sg;
- const EVP_MD *digest = EVP_sha1();
+ const EVP_MD *digest = NULL;
EVP_MD_CTX mctx;
EVP_MD_CTX_init(&mctx);
sig->r = NULL;
fputs(buf, stdout);
if (*buf == '[')
{
- curve_nid = lookup_curve(buf + 1);
+ curve_nid = lookup_curve(buf, lbuf, &digest);
if (curve_nid == NID_undef)
return 0;
}
int main(int argc, char **argv)
{
const char *cmd = argv[1];
+ int rv = 0;
fips_set_error_print();
if (!cmd)
{
- fprintf(stderr, "fips_ecdsavs [PKV|SigVer]\n");
+ fprintf(stderr, "fips_ecdsavs [KeyPair|PKV|SigGen|SigVer]\n");
return 1;
}
- if (!strcmp(cmd, "PKV"))
+ if (!strcmp(cmd, "KeyPair"))
+ rv = KeyPair();
+ else if (!strcmp(cmd, "PKV"))
+ rv = PKV();
+ else if (!strcmp(cmd, "SigVer"))
+ rv = SigVer();
+ else if (!strcmp(cmd, "SigGen"))
+ rv = SigGen();
+ else
{
- if (PKV() <= 0)
- goto err;
+ fprintf(stderr, "Unknown command %s\n", cmd);
+ return 1;
}
- if (!strcmp(cmd, "SigVer"))
+ if (rv <= 0)
{
- if (SigVer() <= 0)
- goto err;
+ fprintf(stderr, "Error running %s\n", cmd);
+ return 1;
}
return 0;
- err:
- fprintf(stderr, "Error running %s\n", cmd);
- return 1;
}
#endif