PQGParams*
GetDSAParams(void)
{
PQGParams *params = NULL;
PQGVerify *vfy = NULL;
SECStatus rv;
rv = PK11_PQG_ParamGen(0, ¶ms, &vfy);
if (rv != SECSuccess) {
return NULL;
}
PK11_PQG_DestroyVerify(vfy);
return params;
}
int
main(int argc, char **argv)
{
FILE *outFile = NULL;
char *outFileName = NULL;
PQGParams *pqgParams = NULL;
PQGVerify *pqgVerify = NULL;
int keySizeInBits = 1024;
int j = 8;
int g = 0;
int gMax = 0;
int qSizeInBits = 0;
SECStatus rv = 0;
SECStatus passed = 0;
PRBool output_ascii = PR_FALSE;
PRBool output_binary = PR_FALSE;
PRBool output_raw = PR_FALSE;
PLOptState *optstate;
PLOptStatus status;
progName = strrchr(argv[0], '/');
if (!progName)
progName = strrchr(argv[0], '\\');
progName = progName ? progName + 1 : argv[0];
/* Parse command line arguments */
optstate = PL_CreateOptState(argc, argv, "?abg:l:n:o:r");
while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
switch (optstate->option) {
case 'l':
keySizeInBits = atoi(optstate->value);
break;
case 'n':
qSizeInBits = atoi(optstate->value);
break;
case 'a':
output_ascii = PR_TRUE;
break;
case 'b':
output_binary = PR_TRUE;
break;
case 'r':
output_raw = PR_TRUE;
break;
case 'o':
if (outFileName) {
PORT_Free(outFileName);
}
outFileName = PORT_Strdup(optstate->value);
if (!outFileName) {
rv = -1;
}
break;
case 'g':
g = atoi(optstate->value);
break;
default:
case '?':
Usage();
break;
}
}
PL_DestroyOptState(optstate);
if (status == PL_OPT_BAD) {
Usage();
}
/* exactly 1 of these options must be set. */
if (1 != ((output_ascii != PR_FALSE) +
(output_binary != PR_FALSE) +
(output_raw != PR_FALSE))) {
Usage();
}
gMax = 2 * keySizeInBits;
if (keySizeInBits < 1024) {
j = PQG_PBITS_TO_INDEX(keySizeInBits);
if (j < 0) {
fprintf(stderr, "%s: Illegal prime length, \n"
"\tacceptable values are between 512 and 1024,\n"
"\tand divisible by 64, or 2048 or 3072\n",
progName);
return 2;
}
gMax = 2048;
if ((qSizeInBits != 0) && (qSizeInBits != 160)) {
fprintf(stderr, "%s: Illegal subprime length, \n"
"\tonly 160 is acceptible for primes <= 1024\n",
progName);
return 2;
}
/* this forces keysizes less than 1024 into the DSA1 generation
* code. Whether 1024 uses DSA2 or not is triggered by qSizeInBits
* being non-zero. All larger keysizes will use DSA2.
*/
qSizeInBits = 0;
}
if (g != 0 && (g < 160 || g >= gMax || g % 8 != 0)) {
fprintf(stderr, "%s: Illegal g bits, \n"
"\tacceptable values are between 160 and %d,\n"
"\tand divisible by 8\n",
progName, gMax);
return 3;
}
if (!rv && outFileName) {
outFile = fopen(outFileName, output_binary ? "wb" : "w");
if (!outFile) {
fprintf(stderr, "%s: unable to open \"%s\" for writing\n",
progName, outFileName);
rv = -1;
}
}
if (outFileName) {
PORT_Free(outFileName);
}
if (rv != 0) {
return 1;
}
if (outFile == NULL) {
outFile = stdout;
}
NSS_NoDB_Init(NULL);
if (keySizeInBits > 1024 || qSizeInBits != 0) {
rv = PK11_PQG_ParamGenV2((unsigned)keySizeInBits,
(unsigned)qSizeInBits, (unsigned)(g /
8),
&pqgParams, &pqgVerify);
} else if (g) {
rv = PK11_PQG_ParamGenSeedLen((unsigned)j, (unsigned)(g / 8),
&pqgParams, &pqgVerify);
} else {
rv = PK11_PQG_ParamGen((unsigned)j, &pqgParams, &pqgVerify);
}
/* below here, must go to loser */
if (rv != SECSuccess || pqgParams == NULL || pqgVerify == NULL) {
SECU_PrintError(progName, "PQG parameter generation failed.\n");
goto loser;
}
fprintf(stderr, "%s: PQG parameter generation completed.\n", progName);
rv = outputPQGParams(pqgParams, output_binary, output_raw, outFile);
if (rv) {
fprintf(stderr, "%s: failed to output PQG params.\n", progName);
goto loser;
}
rv = outputPQGVerify(pqgVerify, output_binary, output_raw, outFile);
if (rv) {
fprintf(stderr, "%s: failed to output PQG Verify.\n", progName);
goto loser;
}
rv = PK11_PQG_VerifyParams(pqgParams, pqgVerify, &passed);
if (rv != SECSuccess) {
fprintf(stderr, "%s: PQG parameter verification aborted.\n", progName);
goto loser;
}
if (passed != SECSuccess) {
fprintf(stderr, "%s: PQG parameters failed verification.\n", progName);
goto loser;
}
fprintf(stderr, "%s: PQG parameters passed verification.\n", progName);
PK11_PQG_DestroyParams(pqgParams);
PK11_PQG_DestroyVerify(pqgVerify);
return 0;
loser:
PK11_PQG_DestroyParams(pqgParams);
PK11_PQG_DestroyVerify(pqgVerify);
return 1;
}
