The Tor Browser: security/nss/cmd/certutil/keystuff.c@6474c204b198 (annotated)

security/nss/cmd/certutil/keystuff.c@6474c204b198 (annotated)

security/nss/cmd/certutil/keystuff.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <stdio.h>
 #include <string.h>
 #include "secutil.h"
 #if defined(XP_UNIX)
 #include <unistd.h>
 #include <sys/time.h>
 #include <termios.h>
 #endif
 #if defined(XP_WIN) || defined (XP_PC)
 #include <time.h>
 #include <conio.h>
 #endif
 #if defined(__sun) && !defined(SVR4)
 extern int fclose(FILE*);
 extern int fprintf(FILE *, char *, ...);
 extern int isatty(int);
 extern char *sys_errlist[];
 #define strerror(errno) sys_errlist[errno]
 #endif
 #include "nspr.h"
 #include "prtypes.h"
 #include "prtime.h"
 #include "prlong.h"
 #include "pk11func.h"
 #define NUM_KEYSTROKES 120
 #define RAND_BUF_SIZE 60
 #define ERROR_BREAK rv = SECFailure;break;
 const SEC_ASN1Template SECKEY_PQGParamsTemplate[] = {
     { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SECKEYPQGParams) },
     { SEC_ASN1_INTEGER, offsetof(SECKEYPQGParams,prime) },
     { SEC_ASN1_INTEGER, offsetof(SECKEYPQGParams,subPrime) },
     { SEC_ASN1_INTEGER, offsetof(SECKEYPQGParams,base) },
     { 0, }
 };
 /* returns 0 for success, -1 for failure (EOF encountered) */
 static int
 UpdateRNG(void)
 {
     char           randbuf[RAND_BUF_SIZE];
     int            fd,  count;
     int            c;
     int            rv		= 0;
 #ifdef XP_UNIX
     cc_t           orig_cc_min;
     cc_t           orig_cc_time;
     tcflag_t       orig_lflag;
     struct termios tio;
 #endif
     char meter[] = {
       "\r|                                                            |" };
 #define FPS fprintf(stderr,
     FPS "\n");
     FPS "A random seed must be generated that will be used in the\n");
     FPS "creation of your key.  One of the easiest ways to create a\n");
     FPS "random seed is to use the timing of keystrokes on a keyboard.\n");
     FPS "\n");
     FPS "To begin, type keys on the keyboard until this progress meter\n");
     FPS "is full.  DO NOT USE THE AUTOREPEAT FUNCTION ON YOUR KEYBOARD!\n");
     FPS "\n");
     FPS "\n");
     FPS "Continue typing until the progress meter is full:\n\n");
     FPS "%s", meter);
     FPS "\r|");
     /* turn off echo on stdin & return on 1 char instead of NL */
     fd = fileno(stdin);
 #if defined(XP_UNIX)
     tcgetattr(fd, &tio);
     orig_lflag = tio.c_lflag;
     orig_cc_min = tio.c_cc[VMIN];
     orig_cc_time = tio.c_cc[VTIME];
     tio.c_lflag &= ~ECHO;
     tio.c_lflag &= ~ICANON;
     tio.c_cc[VMIN] = 1;
     tio.c_cc[VTIME] = 0;
     tcsetattr(fd, TCSAFLUSH, &tio);
 #endif
     /* Get random noise from keyboard strokes */
     count = 0;
     while (count < sizeof randbuf) {
 #if defined(XP_UNIX)
 	c = getc(stdin);
 #else
 	c = getch();
 #endif
 	if (c == EOF) {
 	    rv = -1;
 	    break;
 	}
 	randbuf[count] = c;
 	if (count == 0 || c != randbuf[count-1]) {
 	    count++;
 	    FPS "*");
 	}
     }
     PK11_RandomUpdate(randbuf, sizeof randbuf);
     memset(randbuf, 0, sizeof randbuf);
     FPS "\n\n");
     FPS "Finished.  Press enter to continue: ");
     while ((c = getc(stdin)) != '\n' && c != EOF)
 	;
     if (c == EOF)
 	rv = -1;
     FPS "\n");
 #undef FPS
 #if defined(XP_UNIX)
     /* set back termio the way it was */
     tio.c_lflag = orig_lflag;
     tio.c_cc[VMIN] = orig_cc_min;
     tio.c_cc[VTIME] = orig_cc_time;
     tcsetattr(fd, TCSAFLUSH, &tio);
 #endif
     return rv;
 }
 static const unsigned char P[] = { 0,
 x98, 0xef, 0x3a, 0xae, 0x70, 0x98, 0x9b, 0x44,
 xdb, 0x35, 0x86, 0xc1, 0xb6, 0xc2, 0x47, 0x7c,
 xb4, 0xff, 0x99, 0xe8, 0xae, 0x44, 0xf2, 0xeb,
 xc3, 0xbe, 0x23, 0x0f, 0x65, 0xd0, 0x4c, 0x04,
 x82, 0x90, 0xa7, 0x9d, 0x4a, 0xc8, 0x93, 0x7f,
 x41, 0xdf, 0xf8, 0x80, 0x6b, 0x0b, 0x68, 0x7f,
 xaf, 0xe4, 0xa8, 0xb5, 0xb2, 0x99, 0xc3, 0x69,
 xfb, 0x3f, 0xe7, 0x1b, 0xd0, 0x0f, 0xa9, 0x7a,
 x4a, 0x04, 0xbf, 0x50, 0x9e, 0x22, 0x33, 0xb8,
 x89, 0x53, 0x24, 0x10, 0xf9, 0x68, 0x77, 0xad,
 xaf, 0x10, 0x68, 0xb8, 0xd3, 0x68, 0x5d, 0xa3,
 xc3, 0xeb, 0x72, 0x3b, 0xa0, 0x0b, 0x73, 0x65,
 xc5, 0xd1, 0xfa, 0x8c, 0xc0, 0x7d, 0xaa, 0x52,
 x29, 0x34, 0x44, 0x01, 0xbf, 0x12, 0x25, 0xfe,
 x18, 0x0a, 0xc8, 0x3f, 0xc1, 0x60, 0x48, 0xdb,
 xad, 0x93, 0xb6, 0x61, 0x67, 0xd7, 0xa8, 0x2d };
 static const unsigned char Q[] = { 0,
 xb5, 0xb0, 0x84, 0x8b, 0x44, 0x29, 0xf6, 0x33,
 x59, 0xa1, 0x3c, 0xbe, 0xd2, 0x7f, 0x35, 0xa1,
 x76, 0x27, 0x03, 0x81                         };
 static const unsigned char G[] = {
 x04, 0x0e, 0x83, 0x69, 0xf1, 0xcd, 0x7d, 0xe5,
 x0c, 0x78, 0x93, 0xd6, 0x49, 0x6f, 0x00, 0x04,
 x4e, 0x0e, 0x6c, 0x37, 0xaa, 0x38, 0x22, 0x47,
 xd2, 0x58, 0xec, 0x83, 0x12, 0x95, 0xf9, 0x9c,
 xf1, 0xf4, 0x27, 0xff, 0xd7, 0x99, 0x57, 0x35,
 xc6, 0x64, 0x4c, 0xc0, 0x47, 0x12, 0x31, 0x50,
 x82, 0x3c, 0x2a, 0x07, 0x03, 0x01, 0xef, 0x30,
 x09, 0x89, 0x82, 0x41, 0x76, 0x71, 0xda, 0x9e,
 x57, 0x8b, 0x76, 0x38, 0x37, 0x5f, 0xa5, 0xcd,
 x32, 0x84, 0x45, 0x8d, 0x4c, 0x17, 0x54, 0x2b,
 x5d, 0xc2, 0x6b, 0xba, 0x3e, 0xa0, 0x7b, 0x95,
 xd7, 0x00, 0x42, 0xf7, 0x08, 0xb8, 0x83, 0x87,
 x60, 0xe1, 0xe5, 0xf4, 0x1a, 0x54, 0xc2, 0x20,
 xda, 0x38, 0x3a, 0xd1, 0xb6, 0x10, 0xf4, 0xcb,
 x35, 0xda, 0x97, 0x92, 0x87, 0xd6, 0xa5, 0x37,
 x62, 0xb4, 0x93, 0x4a, 0x15, 0x21, 0xa5, 0x10 };
 /*  h:
  *      4a:76:30:89:eb:e1:81:7c:99:0b:39:7f:95:4a:65:72:
  *      c6:b4:05:92:48:6c:3c:b2:7e:e7:39:f3:92:7d:c1:3f:
  *      bf:e1:fd:b3:4a:46:3e:ce:29:80:e3:d6:f4:59:c6:92:
  *      16:2b:0e:d7:d6:bb:ef:94:36:31:c2:66:46:c5:4a:77:
  *      aa:95:84:ef:99:7e:e3:9c:d9:a0:32:42:09:b6:4e:d0:
  *      b3:c8:5e:06:df:a1:ac:4d:2d:f9:08:c2:cb:4b:a4:42:
  *      db:8a:5b:de:25:6e:2b:5b:ca:00:75:2c:57:00:18:aa:
  *      68:59:a1:94:03:07:94:78:38:bc:f8:7c:1e:1c:a3:2e
  *  SEED:
  *      b5:44:66:c9:0f:f1:ca:1c:95:45:ce:90:74:89:14:f2:
  *      13:3e:23:5a:b0:6a:bf:86:ad:cb:a0:7d:ce:3b:c8:16:
  *      7f:2d:a2:1a:cb:33:7d:c1:e7:d7:07:aa:1b:a2:d7:89:
  *      f5:a4:db:f7:8b:50:00:cd:b4:7d:25:81:3f:f8:a8:dd:
  *      6c:46:e5:77:b5:60:7e:75:79:b8:99:57:c1:c4:f3:f7:
  *      17:ca:43:00:b8:33:b6:06:8f:4d:91:ed:23:a5:66:1b:
  *      ef:14:d7:bc:21:2b:82:d8:ab:fa:fd:a7:c3:4d:bf:52:
  *      af:8e:57:59:61:1a:4e:65:c6:90:d6:a6:ff:0b:15:b1
  *  g:       1024
  *  counter: 1003
  */
 static const SECKEYPQGParams default_pqg_params = {
     NULL,
     { 0, (unsigned char *)P, sizeof(P) },
     { 0, (unsigned char *)Q, sizeof(Q) },
     { 0, (unsigned char *)G, sizeof(G) }
 };
 static SECKEYPQGParams *
 decode_pqg_params(const char *str)
 {
     char *buf;
     unsigned int len;
     PLArenaPool *arena;
     SECKEYPQGParams *params;
     SECStatus status;
     arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
     if (arena == NULL)
         return NULL;
     params = PORT_ArenaZAlloc(arena, sizeof(SECKEYPQGParams));
     if (params == NULL)
         goto loser;
     params->arena = arena;
     buf = (char *)ATOB_AsciiToData(str, &len);
     if ((buf == NULL) || (len == 0))
         goto loser;
     status = SEC_ASN1Decode(arena, params, SECKEY_PQGParamsTemplate, buf, len);
     if (status != SECSuccess)
         goto loser;
     return params;
 loser:
     if (arena != NULL)
         PORT_FreeArena(arena, PR_FALSE);
     return NULL;
 }
 void
 CERTUTIL_DestroyParamsPQG(SECKEYPQGParams *params)
 {
     if (params->arena) {
         PORT_FreeArena(params->arena, PR_FALSE);
     }
 }
 static int
 pqg_prime_bits(const SECKEYPQGParams *params)
 {
     int primeBits = 0;
     if (params != NULL) {
 	int i;
 	for (i = 0; params->prime.data[i] == 0; i++) {
 	    /* empty */;
 	}
 	primeBits = (params->prime.len - i) * 8;
     }
     return primeBits;
 }
 static char *
 getPQGString(const char *filename)
 {
     unsigned char *buf      = NULL;
     PRFileDesc    *src;
     PRInt32        numBytes;
     PRStatus       prStatus;
     PRFileInfo     info;
     src   = PR_Open(filename, PR_RDONLY, 0);
     if (!src) {
     	fprintf(stderr, "Failed to open PQG file %s\n", filename);
 	return NULL;
     }
     prStatus = PR_GetOpenFileInfo(src, &info);
     if (prStatus == PR_SUCCESS) {
 	buf = (unsigned char*)PORT_Alloc(info.size + 1);
     }
     if (!buf) {
 	PR_Close(src);
     	fprintf(stderr, "Failed to read PQG file %s\n", filename);
 	return NULL;
     }
     numBytes = PR_Read(src, buf, info.size);
     PR_Close(src);
     if (numBytes != info.size) {
 	PORT_Free(buf);
     	fprintf(stderr, "Failed to read PQG file %s\n", filename);
 	PORT_SetError(SEC_ERROR_IO);
 	return NULL;
     }
     if (buf[numBytes-1] == '\n')
     	numBytes--;
     if (buf[numBytes-1] == '\r')
     	numBytes--;
     buf[numBytes] = 0;
     return (char *)buf;
 }
 static SECKEYPQGParams*
 getpqgfromfile(int keyBits, const char *pqgFile)
 {
     char *end, *str, *pqgString;
     SECKEYPQGParams* params = NULL;
     str = pqgString = getPQGString(pqgFile);
     if (!str)
 	return NULL;
     do {
 	end = PORT_Strchr(str, ',');
 	if (end)
 	    *end = '\0';
 	params = decode_pqg_params(str);
 	if (params) {
 	    int primeBits = pqg_prime_bits(params);
 	    if (keyBits == primeBits)
 		break;
 	    CERTUTIL_DestroyParamsPQG(params);
 	    params = NULL;
 	}
 	if (end)
 	    str = end + 1;
     } while (end);
     PORT_Free(pqgString);
     return params;
 }
 static SECStatus
 CERTUTIL_FileForRNG(const char *noise)
 {
     char buf[2048];
     PRFileDesc *fd;
     PRInt32 count;
     fd = PR_Open(noise,PR_RDONLY,0);
     if (!fd) {
 	fprintf(stderr, "failed to open noise file.");
 	return SECFailure;
     }
     do {
 	count = PR_Read(fd,buf,sizeof(buf));
 	if (count > 0) {
 	    PK11_RandomUpdate(buf,count);
 	}
     } while (count > 0);
     PR_Close(fd);
     return SECSuccess;
 }
 #ifndef NSS_DISABLE_ECC
 typedef struct curveNameTagPairStr {
     char *curveName;
     SECOidTag curveOidTag;
 } CurveNameTagPair;
 #define DEFAULT_CURVE_OID_TAG  SEC_OID_SECG_EC_SECP192R1
 /* #define DEFAULT_CURVE_OID_TAG  SEC_OID_SECG_EC_SECP160R1 */
 static CurveNameTagPair nameTagPair[] =
 {
   { "sect163k1", SEC_OID_SECG_EC_SECT163K1},
   { "nistk163", SEC_OID_SECG_EC_SECT163K1},
   { "sect163r1", SEC_OID_SECG_EC_SECT163R1},
   { "sect163r2", SEC_OID_SECG_EC_SECT163R2},
   { "nistb163", SEC_OID_SECG_EC_SECT163R2},
   { "sect193r1", SEC_OID_SECG_EC_SECT193R1},
   { "sect193r2", SEC_OID_SECG_EC_SECT193R2},
   { "sect233k1", SEC_OID_SECG_EC_SECT233K1},
   { "nistk233", SEC_OID_SECG_EC_SECT233K1},
   { "sect233r1", SEC_OID_SECG_EC_SECT233R1},
   { "nistb233", SEC_OID_SECG_EC_SECT233R1},
   { "sect239k1", SEC_OID_SECG_EC_SECT239K1},
   { "sect283k1", SEC_OID_SECG_EC_SECT283K1},
   { "nistk283", SEC_OID_SECG_EC_SECT283K1},
   { "sect283r1", SEC_OID_SECG_EC_SECT283R1},
   { "nistb283", SEC_OID_SECG_EC_SECT283R1},
   { "sect409k1", SEC_OID_SECG_EC_SECT409K1},
   { "nistk409", SEC_OID_SECG_EC_SECT409K1},
   { "sect409r1", SEC_OID_SECG_EC_SECT409R1},
   { "nistb409", SEC_OID_SECG_EC_SECT409R1},
   { "sect571k1", SEC_OID_SECG_EC_SECT571K1},
   { "nistk571", SEC_OID_SECG_EC_SECT571K1},
   { "sect571r1", SEC_OID_SECG_EC_SECT571R1},
   { "nistb571", SEC_OID_SECG_EC_SECT571R1},
   { "secp160k1", SEC_OID_SECG_EC_SECP160K1},
   { "secp160r1", SEC_OID_SECG_EC_SECP160R1},
   { "secp160r2", SEC_OID_SECG_EC_SECP160R2},
   { "secp192k1", SEC_OID_SECG_EC_SECP192K1},
   { "secp192r1", SEC_OID_SECG_EC_SECP192R1},
   { "nistp192", SEC_OID_SECG_EC_SECP192R1},
   { "secp224k1", SEC_OID_SECG_EC_SECP224K1},
   { "secp224r1", SEC_OID_SECG_EC_SECP224R1},
   { "nistp224", SEC_OID_SECG_EC_SECP224R1},
   { "secp256k1", SEC_OID_SECG_EC_SECP256K1},
   { "secp256r1", SEC_OID_SECG_EC_SECP256R1},
   { "nistp256", SEC_OID_SECG_EC_SECP256R1},
   { "secp384r1", SEC_OID_SECG_EC_SECP384R1},
   { "nistp384", SEC_OID_SECG_EC_SECP384R1},
   { "secp521r1", SEC_OID_SECG_EC_SECP521R1},
   { "nistp521", SEC_OID_SECG_EC_SECP521R1},
   { "prime192v1", SEC_OID_ANSIX962_EC_PRIME192V1 },
   { "prime192v2", SEC_OID_ANSIX962_EC_PRIME192V2 },
   { "prime192v3", SEC_OID_ANSIX962_EC_PRIME192V3 },
   { "prime239v1", SEC_OID_ANSIX962_EC_PRIME239V1 },
   { "prime239v2", SEC_OID_ANSIX962_EC_PRIME239V2 },
   { "prime239v3", SEC_OID_ANSIX962_EC_PRIME239V3 },
   { "c2pnb163v1", SEC_OID_ANSIX962_EC_C2PNB163V1 },
   { "c2pnb163v2", SEC_OID_ANSIX962_EC_C2PNB163V2 },
   { "c2pnb163v3", SEC_OID_ANSIX962_EC_C2PNB163V3 },
   { "c2pnb176v1", SEC_OID_ANSIX962_EC_C2PNB176V1 },
   { "c2tnb191v1", SEC_OID_ANSIX962_EC_C2TNB191V1 },
   { "c2tnb191v2", SEC_OID_ANSIX962_EC_C2TNB191V2 },
   { "c2tnb191v3", SEC_OID_ANSIX962_EC_C2TNB191V3 },
   { "c2onb191v4", SEC_OID_ANSIX962_EC_C2ONB191V4 },
   { "c2onb191v5", SEC_OID_ANSIX962_EC_C2ONB191V5 },
   { "c2pnb208w1", SEC_OID_ANSIX962_EC_C2PNB208W1 },
   { "c2tnb239v1", SEC_OID_ANSIX962_EC_C2TNB239V1 },
   { "c2tnb239v2", SEC_OID_ANSIX962_EC_C2TNB239V2 },
   { "c2tnb239v3", SEC_OID_ANSIX962_EC_C2TNB239V3 },
   { "c2onb239v4", SEC_OID_ANSIX962_EC_C2ONB239V4 },
   { "c2onb239v5", SEC_OID_ANSIX962_EC_C2ONB239V5 },
   { "c2pnb272w1", SEC_OID_ANSIX962_EC_C2PNB272W1 },
   { "c2pnb304w1", SEC_OID_ANSIX962_EC_C2PNB304W1 },
   { "c2tnb359v1", SEC_OID_ANSIX962_EC_C2TNB359V1 },
   { "c2pnb368w1", SEC_OID_ANSIX962_EC_C2PNB368W1 },
   { "c2tnb431r1", SEC_OID_ANSIX962_EC_C2TNB431R1 },
   { "secp112r1", SEC_OID_SECG_EC_SECP112R1},
   { "secp112r2", SEC_OID_SECG_EC_SECP112R2},
   { "secp128r1", SEC_OID_SECG_EC_SECP128R1},
   { "secp128r2", SEC_OID_SECG_EC_SECP128R2},
   { "sect113r1", SEC_OID_SECG_EC_SECT113R1},
   { "sect113r2", SEC_OID_SECG_EC_SECT113R2},
   { "sect131r1", SEC_OID_SECG_EC_SECT131R1},
   { "sect131r2", SEC_OID_SECG_EC_SECT131R2},
 };
 static SECKEYECParams *
 getECParams(const char *curve)
 {
     SECKEYECParams *ecparams;
     SECOidData *oidData = NULL;
     SECOidTag curveOidTag = SEC_OID_UNKNOWN; /* default */
     int i, numCurves;
     if (curve != NULL) {
         numCurves = sizeof(nameTagPair)/sizeof(CurveNameTagPair);
 	for (i = 0; ((i < numCurves) && (curveOidTag == SEC_OID_UNKNOWN));
 	     i++) {
 	    if (PL_strcmp(curve, nameTagPair[i].curveName) == 0)
 	        curveOidTag = nameTagPair[i].curveOidTag;
 	}
     }
     /* Return NULL if curve name is not recognized */
     if ((curveOidTag == SEC_OID_UNKNOWN) ||
 	(oidData = SECOID_FindOIDByTag(curveOidTag)) == NULL) {
         fprintf(stderr, "Unrecognized elliptic curve %s\n", curve);
 	return NULL;
     }
     ecparams = SECITEM_AllocItem(NULL, NULL, (2 + oidData->oid.len));
     /*
      * ecparams->data needs to contain the ASN encoding of an object ID (OID)
      * representing the named curve. The actual OID is in
      * oidData->oid.data so we simply prepend 0x06 and OID length
      */
     ecparams->data[0] = SEC_ASN1_OBJECT_ID;
     ecparams->data[1] = oidData->oid.len;
     memcpy(ecparams->data + 2, oidData->oid.data, oidData->oid.len);
     return ecparams;
 }
 #endif /* NSS_DISABLE_ECC */
 SECKEYPrivateKey *
 CERTUTIL_GeneratePrivateKey(KeyType keytype, PK11SlotInfo *slot, int size,
 			    int publicExponent, const char *noise,
 			    SECKEYPublicKey **pubkeyp, const char *pqgFile,
 			    PK11AttrFlags attrFlags, CK_FLAGS opFlagsOn,
 			    CK_FLAGS opFlagsOff, secuPWData *pwdata)
 {
     CK_MECHANISM_TYPE  mechanism;
     SECOidTag          algtag;
     PK11RSAGenParams   rsaparams;
     SECKEYPQGParams  * dsaparams = NULL;
     void             * params;
     SECKEYPrivateKey * privKey = NULL;
     if (slot == NULL)
 	return NULL;
     if (PK11_Authenticate(slot, PR_TRUE, pwdata) != SECSuccess)
 	return NULL;
     /*
      * Do some random-number initialization.
      */
     if (noise) {
     	SECStatus rv = CERTUTIL_FileForRNG(noise);
 	if (rv != SECSuccess) {
 	    PORT_SetError(PR_END_OF_FILE_ERROR); /* XXX */
 	    return NULL;
     	}
     } else {
 	int rv = UpdateRNG();
 	if (rv) {
 	    PORT_SetError(PR_END_OF_FILE_ERROR);
 	    return NULL;
 	}
     }
     switch (keytype) {
     case rsaKey:
 	rsaparams.keySizeInBits = size;
 	rsaparams.pe = publicExponent;
 	mechanism = CKM_RSA_PKCS_KEY_PAIR_GEN;
 	algtag = SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION;
 	params = &rsaparams;
 	break;
     case dsaKey:
 	mechanism = CKM_DSA_KEY_PAIR_GEN;
 	algtag = SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST;
 	if (pqgFile) {
 	    dsaparams = getpqgfromfile(size, pqgFile);
 	    if (dsaparams == NULL)
 	    	return NULL;
 	    params = dsaparams;
 	} else {
 	    /* cast away const, and don't set dsaparams */
 	    params = (void *)&default_pqg_params;
 	}
 	break;
 #ifndef NSS_DISABLE_ECC
     case ecKey:
 	mechanism = CKM_EC_KEY_PAIR_GEN;
 	/* For EC keys, PQGFile determines EC parameters */
 	if ((params = (void *) getECParams(pqgFile)) == NULL)
 	    return NULL;
 	break;
 #endif /* NSS_DISABLE_ECC */
     default:
 	return NULL;
     }
     fprintf(stderr, "\n\n");
     fprintf(stderr, "Generating key.  This may take a few moments...\n\n");
     privKey = PK11_GenerateKeyPairWithOpFlags(slot, mechanism, params, pubkeyp,
 				attrFlags, opFlagsOn, opFlagsOn|opFlagsOff,
 				pwdata /*wincx*/);
     /* free up the params */
     switch (keytype) {
     case dsaKey: if (dsaparams) CERTUTIL_DestroyParamsPQG(dsaparams);
 	                                                      break;
 #ifndef NSS_DISABLE_ECC
     case ecKey: SECITEM_FreeItem((SECItem *)params, PR_TRUE); break;
 #endif
     default: /* nothing to free */                            break;
     }
     return privKey;
 }

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security/nss/cmd/certutil/keystuff.c@6474c204b198 (annotated)

security/nss/cmd/certutil/keystuff.c