Change the NSS and NSPR source tree to the new directory structure to be

mozilla/security/nss/lib/softoken/lowpbe.c

Index: mozilla/security/nss/lib/softoken/lowpbe.c
===================================================================
--- mozilla/security/nss/lib/softoken/lowpbe.c	(revision 191424)
+++ mozilla/security/nss/lib/softoken/lowpbe.c	(working copy)
@@ -1,1378 +0,0 @@
-/* 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 "plarena.h"
-
-#include "seccomon.h"
-#include "secitem.h"
-#include "secport.h"
-#include "hasht.h"
-#include "pkcs11t.h"
-#include "blapi.h"
-#include "hasht.h"
-#include "secasn1.h"
-#include "secder.h"
-#include "lowpbe.h"
-#include "secoid.h"
-#include "alghmac.h"
-#include "softoken.h"
-#include "secerr.h"
-
-SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate)
-
-/* template for PKCS 5 PBE Parameter.  This template has been expanded
- * based upon the additions in PKCS 12.  This should eventually be moved
- * if RSA updates PKCS 5.
- */
-static const SEC_ASN1Template NSSPKCS5PBEParameterTemplate[] =
-{
-    { SEC_ASN1_SEQUENCE, 
-	0, NULL, sizeof(NSSPKCS5PBEParameter) },
-    { SEC_ASN1_OCTET_STRING, 
-	offsetof(NSSPKCS5PBEParameter, salt) },
-    { SEC_ASN1_INTEGER,
-	offsetof(NSSPKCS5PBEParameter, iteration) },
-    { 0 }
-};
-
-static const SEC_ASN1Template NSSPKCS5PKCS12V2PBEParameterTemplate[] =
-{   
-    { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSPKCS5PBEParameter) },
-    { SEC_ASN1_OCTET_STRING, offsetof(NSSPKCS5PBEParameter, salt) },
-    { SEC_ASN1_INTEGER, offsetof(NSSPKCS5PBEParameter, iteration) },
-    { 0 }
-};
-
-
-/* PKCS5 v2 */
-
-struct nsspkcs5V2PBEParameterStr {
-    SECAlgorithmID keyParams;  /* parameters of the key generation */
-    SECAlgorithmID algParams;  /* parameters for the encryption or mac op */
-};
-
-typedef struct nsspkcs5V2PBEParameterStr nsspkcs5V2PBEParameter;
-#define PBKDF2
-
-#ifdef PBKDF2
-static const SEC_ASN1Template NSSPKCS5V2PBES2ParameterTemplate[] =
-{   
-    { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(nsspkcs5V2PBEParameter) },
-    { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
-        offsetof(nsspkcs5V2PBEParameter, keyParams), 
-        SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
-    { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
-        offsetof(nsspkcs5V2PBEParameter, algParams),
-        SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
-    { 0 }
-};
-
-static const SEC_ASN1Template NSSPKCS5V2PBEParameterTemplate[] =
-{   
-    { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSPKCS5PBEParameter) },
-    /* this is really a choice, but since we don't understand any other
-     *choice, just inline it. */
-    { SEC_ASN1_OCTET_STRING, offsetof(NSSPKCS5PBEParameter, salt) },
-    { SEC_ASN1_INTEGER, offsetof(NSSPKCS5PBEParameter, iteration) },
-    { SEC_ASN1_INTEGER, offsetof(NSSPKCS5PBEParameter, keyLength) },
-    { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
-        offsetof(NSSPKCS5PBEParameter, prfAlg),
-        SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
-    { 0 }
-};
-#endif
-
-SECStatus
-nsspkcs5_HashBuf(const SECHashObject *hashObj, unsigned char *dest,
-					 unsigned char *src, int len)
-{
-    void *ctx;
-    unsigned int retLen;
-
-    ctx = hashObj->create();
-    if(ctx == NULL) {
-	return SECFailure;
-    }
-    hashObj->begin(ctx);
-    hashObj->update(ctx, src, len);
-    hashObj->end(ctx, dest, &retLen, hashObj->length);
-    hashObj->destroy(ctx, PR_TRUE);
-    return SECSuccess;
-}
-
-/* generate bits using any hash
- */
-static SECItem *
-nsspkcs5_PBKDF1(const SECHashObject *hashObj, SECItem *salt, SECItem *pwd, 
-						int iter, PRBool faulty3DES) 
-{
-    SECItem *hash = NULL, *pre_hash = NULL;
-    SECStatus rv = SECFailure;
-
-    if((salt == NULL) || (pwd == NULL) || (iter < 0)) {
-	return NULL;
-    }
-	
-    hash = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
-    pre_hash = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
-
-    if((hash != NULL) && (pre_hash != NULL)) {
-	int i, ph_len;
-
-	ph_len = hashObj->length;
-	if((salt->len + pwd->len) > hashObj->length) {
-	    ph_len = salt->len + pwd->len;
-	}
-
-	rv = SECFailure;
-
-	/* allocate buffers */
-	hash->len = hashObj->length;
-	hash->data = (unsigned char *)PORT_ZAlloc(hash->len);
-	pre_hash->data = (unsigned char *)PORT_ZAlloc(ph_len);
-
-	/* in pbeSHA1TripleDESCBC there was an allocation error that made
-	 * it into the caller.  We do not want to propagate those errors
-	 * further, so we are doing it correctly, but reading the old method.
-	 */
-	if (faulty3DES) {
-	    pre_hash->len = ph_len;
-	} else {
-	    pre_hash->len = salt->len + pwd->len;
-	}
-
-	/* preform hash */
-	if ((hash->data != NULL) && (pre_hash->data != NULL)) {
-	    rv = SECSuccess;
-	    /* check for 0 length password */
-	    if(pwd->len > 0) {
-		PORT_Memcpy(pre_hash->data, pwd->data, pwd->len);
-	    }
-	    if(salt->len > 0) {
-		PORT_Memcpy((pre_hash->data+pwd->len), salt->data, salt->len);
-	    }
-	    for(i = 0; ((i < iter) && (rv == SECSuccess)); i++) {
-		rv = nsspkcs5_HashBuf(hashObj, hash->data, 
-					pre_hash->data, pre_hash->len);
-		if(rv != SECFailure) {
-		    pre_hash->len = hashObj->length;
-		    PORT_Memcpy(pre_hash->data, hash->data, hashObj->length);
-		}
-	    }
-	}
-    }
-
-    if(pre_hash != NULL) {
-	SECITEM_FreeItem(pre_hash, PR_TRUE);
-    }
-
-    if((rv != SECSuccess) && (hash != NULL)) {
-	SECITEM_FreeItem(hash, PR_TRUE);
-	hash = NULL;
-    }
-
-    return hash;
-}
-
-/* this bit generation routine is described in PKCS 12 and the proposed
- * extensions to PKCS 5.  an initial hash is generated following the
- * instructions laid out in PKCS 5.  If the number of bits generated is
- * insufficient, then the method discussed in the proposed extensions to
- * PKCS 5 in PKCS 12 are used.  This extension makes use of the HMAC
- * function.  And the P_Hash function from the TLS standard.
- */
-static SECItem *
-nsspkcs5_PFXPBE(const SECHashObject *hashObj, NSSPKCS5PBEParameter *pbe_param,
-				SECItem *init_hash, unsigned int bytes_needed)
-{
-    SECItem *ret_bits = NULL;
-    int hash_size = 0;
-    unsigned int i;
-    unsigned int hash_iter;
-    unsigned int dig_len;
-    SECStatus rv = SECFailure;
-    unsigned char *state = NULL;
-    unsigned int state_len;
-    HMACContext *cx = NULL;
-
-    hash_size = hashObj->length;
-    hash_iter = (bytes_needed + (unsigned int)hash_size - 1) / hash_size;
-
-    /* allocate return buffer */
-    ret_bits = (SECItem  *)PORT_ZAlloc(sizeof(SECItem));
-    if(ret_bits == NULL)
-	return NULL;
-    ret_bits->data = (unsigned char *)PORT_ZAlloc((hash_iter * hash_size) + 1);
-    ret_bits->len = (hash_iter * hash_size);
-    if(ret_bits->data == NULL) {
-	PORT_Free(ret_bits);
-	return NULL;
-    }
-
-    /* allocate intermediate hash buffer.  8 is for the 8 bytes of
-     * data which are added based on iteration number 
-     */
-
-    if ((unsigned int)hash_size > pbe_param->salt.len) {
-	state_len = hash_size;
-    } else {
-	state_len = pbe_param->salt.len;
-    }
-    state = (unsigned char *)PORT_ZAlloc(state_len);
-    if(state == NULL) {
-	rv = SECFailure;
-	goto loser;
-    }
-    if(pbe_param->salt.len > 0) {
-	PORT_Memcpy(state, pbe_param->salt.data, pbe_param->salt.len);
-    }
-
-    cx = HMAC_Create(hashObj, init_hash->data, init_hash->len, PR_TRUE);
-    if (cx == NULL) {
-	rv = SECFailure;
-	goto loser;
-    }
-
-    for(i = 0; i < hash_iter; i++) { 
-
-	/* generate output bits */
-	HMAC_Begin(cx);
-	HMAC_Update(cx, state, state_len);
-	HMAC_Update(cx, pbe_param->salt.data, pbe_param->salt.len);
-	rv = HMAC_Finish(cx, ret_bits->data + (i * hash_size),
-			 &dig_len, hash_size);
-	if (rv != SECSuccess)
-	    goto loser;
-	PORT_Assert((unsigned int)hash_size == dig_len);
-
-	/* generate new state */
-	HMAC_Begin(cx);
-	HMAC_Update(cx, state, state_len);
-	rv = HMAC_Finish(cx, state, &state_len, state_len);
-	if (rv != SECSuccess)
-	    goto loser;
-	PORT_Assert(state_len == dig_len);
-    }
-
-loser:
-    if (state != NULL)
-	PORT_ZFree(state, state_len);
-    HMAC_Destroy(cx, PR_TRUE);
-
-    if(rv != SECSuccess) {
-	SECITEM_ZfreeItem(ret_bits, PR_TRUE);
-	ret_bits = NULL;
-    }
-
-    return ret_bits;
-}
-
-/* generate bits for the key and iv determination.  if enough bits
- * are not generated using PKCS 5, then we need to generate more bits
- * based on the extension proposed in PKCS 12
- */
-static SECItem *
-nsspkcs5_PBKDF1Extended(const SECHashObject *hashObj,
-	 NSSPKCS5PBEParameter *pbe_param, SECItem *pwitem, PRBool faulty3DES)
-{
-    SECItem * hash 		= NULL;
-    SECItem * newHash 		= NULL;
-    int       bytes_needed;
-    int       bytes_available;
-    
-    bytes_needed = pbe_param->ivLen + pbe_param->keyLen;
-    bytes_available = hashObj->length;
-    
-    hash = nsspkcs5_PBKDF1(hashObj, &pbe_param->salt, pwitem, 
-						pbe_param->iter, faulty3DES);
-
-    if(hash == NULL) {
-	return NULL;
-    }
-
-    if(bytes_needed <= bytes_available) {
-	return hash;
-    } 
-
-    newHash = nsspkcs5_PFXPBE(hashObj, pbe_param, hash, bytes_needed);
-    if (hash != newHash)
-	SECITEM_FreeItem(hash, PR_TRUE);
-    return newHash;
-}
-
-#ifdef PBKDF2
-
-/*
- * PBDKDF2 is PKCS #5 v2.0 it's currently not used by NSS
- */
-static void
-do_xor(unsigned char *dest, unsigned char *src, int len)
-{
-   /* use byt xor, not all platforms are happy about inaligned 
-    * integer fetches */
-    while (len--) {
-    	*dest = *dest ^ *src;
-	dest++;
-	src++;
-    }
-}
-
-static SECStatus
-nsspkcs5_PBKFD2_F(const SECHashObject *hashobj, SECItem *pwitem, SECItem *salt,
-			int iterations, unsigned int i, unsigned char *T)
-{
-    int j;
-    HMACContext *cx = NULL;
-    unsigned int hLen = hashobj->length;
-    SECStatus rv = SECFailure;
-    unsigned char *last = NULL;
-    unsigned int lastLength = salt->len + 4;
-    unsigned int lastBufLength;
-
-    cx=HMAC_Create(hashobj,pwitem->data,pwitem->len,PR_FALSE);
-    if (cx == NULL) {
-	goto loser;
-    }
-    PORT_Memset(T,0,hLen);
-    lastBufLength = PR_MAX(lastLength, hLen);
-    last = PORT_Alloc(lastBufLength);
-    if (last == NULL) {
-	goto loser;
-    }
-    PORT_Memcpy(last,salt->data,salt->len);
-    last[salt->len  ] = (i >> 24) & 0xff;
-    last[salt->len+1] = (i >> 16) & 0xff;
-    last[salt->len+2] = (i >> 8) & 0xff;
-    last[salt->len+3] =    i  & 0xff;
-
-    /* NOTE: we need at least one iteration to return success! */
-    for (j=0; j < iterations; j++) {
-	HMAC_Begin(cx);
-	HMAC_Update(cx,last,lastLength);
-	rv =HMAC_Finish(cx,last,&lastLength,hLen);
-	if (rv !=SECSuccess) {
-	   break;
-	}
-	do_xor(T,last,hLen);
-    }
-loser:
-    if (cx) {
-	HMAC_Destroy(cx, PR_TRUE);
-    }
-    if (last) {
-	PORT_ZFree(last,lastBufLength);
-    }
-    return rv;
-}
-
-static SECItem *
-nsspkcs5_PBKDF2(const SECHashObject *hashobj, NSSPKCS5PBEParameter *pbe_param, 
-							SECItem *pwitem)
-{
-    int iterations = pbe_param->iter;
-    int bytesNeeded = pbe_param->keyLen;
-    unsigned int dkLen = bytesNeeded;
-    unsigned int hLen = hashobj->length;
-    unsigned int nblocks = (dkLen+hLen-1) / hLen;
-    unsigned int i;
-    unsigned char *rp;
-    unsigned char *T = NULL;
-    SECItem *result = NULL;
-    SECItem *salt = &pbe_param->salt;
-    SECStatus rv = SECFailure;
-
-    result = SECITEM_AllocItem(NULL,NULL,nblocks*hLen);
-    if (result == NULL) {
-	return NULL;
-    }
-
-    T = PORT_Alloc(hLen);
-    if (T == NULL) {
-	goto loser;
-    }
-
-    for (i=1,rp=result->data; i <= nblocks ; i++, rp +=hLen) {
-	rv = nsspkcs5_PBKFD2_F(hashobj,pwitem,salt,iterations,i,T);
-	if (rv != SECSuccess) {
-	    break;
-	}
-	PORT_Memcpy(rp,T,hLen);
-    }
-
-loser:
-    if (T) {
-	PORT_ZFree(T,hLen);
-    }
-    if (rv != SECSuccess) {
-	SECITEM_FreeItem(result,PR_TRUE);
-	result = NULL;
-    } else {
-	result->len = dkLen;
-    }
-	
-    return result;
-}
-#endif
-
-#define HMAC_BUFFER 64
-#define NSSPBE_ROUNDUP(x,y) ((((x)+((y)-1))/(y))*(y))
-#define NSSPBE_MIN(x,y) ((x) < (y) ? (x) : (y))
-/*
- * This is the extended PBE function defined by the final PKCS #12 spec.
- */
-static SECItem *
-nsspkcs5_PKCS12PBE(const SECHashObject *hashObject, 
-		   NSSPKCS5PBEParameter *pbe_param, SECItem *pwitem, 
-		   PBEBitGenID bitGenPurpose, unsigned int bytesNeeded)
-{
-    PRArenaPool *arena = NULL;
-    unsigned int SLen,PLen;
-    unsigned int hashLength = hashObject->length;
-    unsigned char *S, *P;
-    SECItem *A = NULL, B, D, I;
-    SECItem *salt = &pbe_param->salt;
-    unsigned int c,i = 0;
-    unsigned int hashLen;
-    int iter;
-    unsigned char *iterBuf;
-    void *hash = NULL;
-
-    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
-    if(!arena) {
-	return NULL;
-    }
-
-    /* how many hash object lengths are needed */
-    c = (bytesNeeded + (hashLength-1))/hashLength;
-
-    /* initialize our buffers */
-    D.len = HMAC_BUFFER;
-    /* B and D are the same length, use one alloc go get both */
-    D.data = (unsigned char*)PORT_ArenaZAlloc(arena, D.len*2);
-    B.len = D.len;
-    B.data = D.data + D.len;
-
-    /* if all goes well, A will be returned, so don't use our temp arena */
-    A = SECITEM_AllocItem(NULL,NULL,c*hashLength);
-    if (A == NULL) {
-	goto loser;
-    }
-    
-    SLen = NSSPBE_ROUNDUP(salt->len,HMAC_BUFFER);
-    PLen = NSSPBE_ROUNDUP(pwitem->len,HMAC_BUFFER);
-    I.len = SLen+PLen;
-    I.data = (unsigned char*)PORT_ArenaZAlloc(arena, I.len);
-    if (I.data == NULL) {
-	goto loser;
-    }
-
-    /* S & P are only used to initialize I */
-    S = I.data;
-    P = S + SLen;
-
-    PORT_Memset(D.data, (char)bitGenPurpose, D.len);
-    if (SLen) {
-	for (i=0; i < SLen; i += salt->len) {
-	    PORT_Memcpy(S+i, salt->data, NSSPBE_MIN(SLen-i,salt->len));
-	}
-    } 
-    if (PLen) {
-	for (i=0; i < PLen; i += pwitem->len) {
-	    PORT_Memcpy(P+i, pwitem->data, NSSPBE_MIN(PLen-i,pwitem->len));
-	}
-    } 
-
-    iterBuf = (unsigned char*)PORT_ArenaZAlloc(arena,hashLength);
-    if (iterBuf == NULL) {
-	goto loser;
-    }
-
-    hash = hashObject->create();
-    if(!hash) {
-	goto loser;
-    }
-    /* calculate the PBE now */
-    for(i = 0; i < c; i++) {
-	int Bidx;	/* must be signed or the for loop won't terminate */
-	unsigned int k, j;
-	unsigned char *Ai = A->data+i*hashLength;
-
-
-	for(iter = 0; iter < pbe_param->iter; iter++) {
-	    hashObject->begin(hash);
-
-	    if (iter) {
-		hashObject->update(hash, iterBuf, hashLen);
-	    } else {
-		hashObject->update(hash, D.data, D.len);
-		hashObject->update(hash, I.data, I.len); 
-	    }
-
-	    hashObject->end(hash, iterBuf, &hashLen, hashObject->length);
-	    if(hashLen != hashObject->length) {
-		break;
-	    }
-	}
-
-	PORT_Memcpy(Ai, iterBuf, hashLength);
-	for (Bidx = 0; Bidx < B.len; Bidx += hashLength) {
-	    PORT_Memcpy(B.data+Bidx,iterBuf,NSSPBE_MIN(B.len-Bidx,hashLength));
-	}
-
-	k = I.len/B.len;
-	for(j = 0; j < k; j++) {
-	    unsigned int q, carryBit;
-	    unsigned char *Ij = I.data + j*B.len;
-
-	    /* (Ij = Ij+B+1) */
-	    for (Bidx = (B.len-1), q=1, carryBit=0; Bidx >= 0; Bidx--,q=0) {
-		q += (unsigned int)Ij[Bidx];
-		q += (unsigned int)B.data[Bidx];
-		q += carryBit;
-
-		carryBit = (q > 0xff);
-		Ij[Bidx] = (unsigned char)(q & 0xff);
-	    }
-	}
-    }
-loser:
-    if (hash) {
-    	hashObject->destroy(hash, PR_TRUE);
-    }
-    if(arena) {
-	PORT_FreeArena(arena, PR_TRUE);
-    }
-
-    if (A) {
-        /* if i != c, then we didn't complete the loop above and must of failed
-         * somwhere along the way */
-        if (i != c) {
-	    SECITEM_ZfreeItem(A,PR_TRUE);
-	    A = NULL;
-        } else {
-    	    A->len = bytesNeeded;
-        }
-    }
-    
-    return A;
-}
-
-/*
- * generate key as per PKCS 5
- */
-SECItem *
-nsspkcs5_ComputeKeyAndIV(NSSPKCS5PBEParameter *pbe_param, SECItem *pwitem,
-		      SECItem *iv, PRBool faulty3DES)
-{
-    SECItem *hash = NULL, *key = NULL;
-    const SECHashObject *hashObj;
-    PRBool getIV = PR_FALSE;
-
-    if((pbe_param == NULL) || (pwitem == NULL)) {
-	return NULL;
-    }
-
-    key = SECITEM_AllocItem(NULL,NULL,pbe_param->keyLen);
-    if (key == NULL) {
-	return NULL;
-    }
-
-    if (iv && (pbe_param->ivLen) && (iv->data == NULL)) {
-	getIV = PR_TRUE;
-    	iv->data = (unsigned char *)PORT_Alloc(pbe_param->ivLen);
-    	if (iv->data == NULL) {
-	    goto loser;
-	}
-	iv->len = pbe_param->ivLen;
-    }
-
-    hashObj = HASH_GetRawHashObject(pbe_param->hashType);
-    switch (pbe_param->pbeType) {
-    case NSSPKCS5_PBKDF1:
-	hash = nsspkcs5_PBKDF1Extended(hashObj,pbe_param,pwitem,faulty3DES);
-	if (hash == NULL) {
-	    goto loser;
-	}
-	PORT_Assert(hash->len >= key->len+(getIV ? iv->len : 0));
-	if (getIV) {
-	    PORT_Memcpy(iv->data, hash->data+(hash->len - iv->len),iv->len);
-	} 
-	
-    	break;
-#ifdef PBKDF2
-    case NSSPKCS5_PBKDF2:
-	hash = nsspkcs5_PBKDF2(hashObj,pbe_param,pwitem);
-	if (getIV) {
-	    PORT_Memcpy(iv->data, pbe_param->ivData, iv->len);
-	}
-    	break;
-#endif
-    case NSSPKCS5_PKCS12_V2:
-	if (getIV) {
-	    hash = nsspkcs5_PKCS12PBE(hashObj,pbe_param,pwitem,
-						pbeBitGenCipherIV,iv->len);
-	    if (hash == NULL) {
-		goto loser;
-	    }
-	    PORT_Memcpy(iv->data,hash->data,iv->len);
-	    SECITEM_ZfreeItem(hash,PR_TRUE);
-	    hash = NULL;
-	}
-	hash = nsspkcs5_PKCS12PBE(hashObj,pbe_param,pwitem,
-						pbe_param->keyID,key->len);
-    default:
-	break;
-    }
-
-    if (hash == NULL) {
-	goto loser;
-    }
-
-    if (pbe_param->is2KeyDES) {
-	PORT_Memcpy(key->data, hash->data, (key->len * 2) / 3);
-	PORT_Memcpy(&(key->data[(key->len  * 2) / 3]), key->data,
-		    key->len / 3);
-    } else {
-	PORT_Memcpy(key->data, hash->data, key->len);
-    }
-
-    SECITEM_ZfreeItem(hash, PR_TRUE);
-    return key;
-
-loser:
-    if (getIV && iv->data) {
-	PORT_ZFree(iv->data,iv->len);
-	iv->data = NULL;
-    }
-
-    SECITEM_ZfreeItem(key, PR_TRUE);
-    return NULL;
-}
-
-static SECStatus
-nsspkcs5_FillInParam(SECOidTag algorithm, NSSPKCS5PBEParameter *pbe_param)
-{
-    PRBool skipType = PR_FALSE;
-
-    pbe_param->keyLen = 5;
-    pbe_param->ivLen = 8;
-    pbe_param->hashType = HASH_AlgSHA1;
-    pbe_param->pbeType = NSSPKCS5_PBKDF1;
-    pbe_param->encAlg = SEC_OID_RC2_CBC;
-    pbe_param->is2KeyDES = PR_FALSE;
-    switch(algorithm) {
-    /* DES3 Algorithms */
-    case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_2KEY_TRIPLE_DES_CBC:
-	pbe_param->is2KeyDES = PR_TRUE;
-	/* fall through */
-    case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC:
-	pbe_param->pbeType = NSSPKCS5_PKCS12_V2;
-	/* fall through */
-    case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_TRIPLE_DES_CBC:
-	pbe_param->keyLen = 24;
-	pbe_param->encAlg = SEC_OID_DES_EDE3_CBC;
-	break;
-
-    /* DES Algorithms */
-    case SEC_OID_PKCS5_PBE_WITH_MD2_AND_DES_CBC:
-    	pbe_param->hashType = HASH_AlgMD2;
-	goto finish_des;
-    case SEC_OID_PKCS5_PBE_WITH_MD5_AND_DES_CBC:
-    	pbe_param->hashType = HASH_AlgMD5;
-	/* fall through */
-    case SEC_OID_PKCS5_PBE_WITH_SHA1_AND_DES_CBC:
-finish_des:
-	pbe_param->keyLen = 8;
-	pbe_param->encAlg =  SEC_OID_DES_CBC;
-	break;
-
-    /* RC2 Algorithms */
-    case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC:
-	pbe_param->keyLen = 16;
-	/* fall through */
-    case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC:
-	pbe_param->pbeType = NSSPKCS5_PKCS12_V2;
-	break;
-    case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC:
-	pbe_param->keyLen = 16;
-	/* fall through */
-    case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC:
-	break;
-
-    /* RC4 algorithms */
-    case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_128_BIT_RC4:
-	skipType = PR_TRUE;
-	/* fall through */
-    case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC4:
-	pbe_param->keyLen = 16;
-	/* fall through */
-    case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC4:
-	if (!skipType) {
-    	    pbe_param->pbeType = NSSPKCS5_PKCS12_V2;
-	}
-	/* fall through */
-    case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC4:
-        pbe_param->ivLen = 0;
-        pbe_param->encAlg =  SEC_OID_RC4;
-        break;
-
-#ifdef PBKDF2
-    case SEC_OID_PKCS5_PBKDF2:
-    case SEC_OID_PKCS5_PBES2:
-    case SEC_OID_PKCS5_PBMAC1:
-	/* everything else will be filled in by the template */
-        pbe_param->ivLen = 0;
-	pbe_param->pbeType = NSSPKCS5_PBKDF2;
-        pbe_param->encAlg =  SEC_OID_PKCS5_PBKDF2;
-	pbe_param->keyLen = 0; /* needs to be set by caller after return */
-	break;
-#endif
-
-    default:
-        return SECFailure;
-    }
-
-    return SECSuccess;
-}
-
-/* decode the algid and generate a PKCS 5 parameter from it
- */
-NSSPKCS5PBEParameter *
-nsspkcs5_NewParam(SECOidTag alg, SECItem *salt, int iterator)
-{
-    PRArenaPool *arena = NULL;
-    NSSPKCS5PBEParameter *pbe_param = NULL;
-    SECStatus rv = SECFailure;
-
-    arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
-    if (arena == NULL)
-	return NULL;
-
-    /* allocate memory for the parameter */
-    pbe_param = (NSSPKCS5PBEParameter *)PORT_ArenaZAlloc(arena, 
-	sizeof(NSSPKCS5PBEParameter));
-
-    if (pbe_param == NULL) {
-	goto loser;
-    }
-
-    pbe_param->poolp = arena;
-
-    rv = nsspkcs5_FillInParam(alg, pbe_param);
-    if (rv != SECSuccess) {
-	goto loser;
-    }
-
-    pbe_param->iter = iterator;
-    if (salt) {
-	rv = SECITEM_CopyItem(arena,&pbe_param->salt,salt);
-    }
-
-    /* default key gen */
-    pbe_param->keyID = pbeBitGenCipherKey;
-
-loser:
-    if (rv != SECSuccess) {
-	PORT_FreeArena(arena, PR_TRUE);
-	pbe_param = NULL;
-    }
-
-    return pbe_param;
-}
-
-/*
- * find the hash type needed to implement a specific HMAC.
- * OID definitions are from pkcs 5 v2.0 and 2.1
- */
-HASH_HashType
-HASH_FromHMACOid(SECOidTag hmac)
-{
-    switch (hmac) {
-    case SEC_OID_HMAC_SHA1:
-    	return HASH_AlgSHA1;
-    case SEC_OID_HMAC_SHA256:
-    	return HASH_AlgSHA256;
-    case SEC_OID_HMAC_SHA384:
-    	return HASH_AlgSHA384;
-    case SEC_OID_HMAC_SHA512:
-    	return HASH_AlgSHA512;
-    case SEC_OID_HMAC_SHA224:
-    default:
-	break;
-    }
-    return HASH_AlgNULL;
-}
-
-/* decode the algid and generate a PKCS 5 parameter from it
- */
-NSSPKCS5PBEParameter *
-nsspkcs5_AlgidToParam(SECAlgorithmID *algid)
-{
-    NSSPKCS5PBEParameter *pbe_param = NULL;
-    nsspkcs5V2PBEParameter pbev2_param;
-    SECOidTag algorithm;
-    SECStatus rv = SECFailure;
-
-    if (algid == NULL) {
-	return NULL;
-    }
-
-    algorithm = SECOID_GetAlgorithmTag(algid);
-    if (algorithm == SEC_OID_UNKNOWN) {
-	goto loser;
-    }
-
-    pbe_param = nsspkcs5_NewParam(algorithm, NULL, 1);
-    if (pbe_param == NULL) {
-	goto loser;
-    }
-
-    /* decode parameter */
-    rv = SECFailure;
-    switch (pbe_param->pbeType) {
-    case NSSPKCS5_PBKDF1:
-	rv = SEC_ASN1DecodeItem(pbe_param->poolp, pbe_param, 
-	    NSSPKCS5PBEParameterTemplate, &algid->parameters);
-	break;
-    case NSSPKCS5_PKCS12_V2:
-	rv = SEC_ASN1DecodeItem(pbe_param->poolp, pbe_param, 
-		NSSPKCS5PKCS12V2PBEParameterTemplate, &algid->parameters);
-	break;
-#ifdef PBKDF2
-    case NSSPKCS5_PBKDF2:
-	PORT_Memset(&pbev2_param,0, sizeof(pbev2_param));
-	/* just the PBE */
-	if (algorithm == SEC_OID_PKCS5_PBKDF2) {
-	    rv = SEC_ASN1DecodeItem(pbe_param->poolp, pbe_param,
-		NSSPKCS5V2PBEParameterTemplate, &algid->parameters);
-	} else {
-	    /* PBE data an others */
-	    rv = SEC_ASN1DecodeItem(pbe_param->poolp, &pbev2_param, 
-		NSSPKCS5V2PBES2ParameterTemplate, &algid->parameters);
-	    if (rv != SECSuccess) {
-		break;
-	    }
-            pbe_param->encAlg = SECOID_GetAlgorithmTag(&pbev2_param.algParams);
-	    rv = SEC_ASN1DecodeItem(pbe_param->poolp, pbe_param,
-		NSSPKCS5V2PBEParameterTemplate, 
-		&pbev2_param.keyParams.parameters);
-	    if (rv != SECSuccess) {
-		break;
-	    }
-    	    pbe_param->keyLen = DER_GetInteger(&pbe_param->keyLength);
-	}
-	/* we we are encrypting, save any iv's */
-	if (algorithm == SEC_OID_PKCS5_PBES2) {
-	    pbe_param->ivLen = pbev2_param.algParams.parameters.len;
-	    pbe_param->ivData = pbev2_param.algParams.parameters.data;
-	}
-	pbe_param->hashType = 
-	    HASH_FromHMACOid(SECOID_GetAlgorithmTag(&pbe_param->prfAlg));
-	if (pbe_param->hashType == HASH_AlgNULL) {
-	    PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
-	    rv = SECFailure;
-	}
-	break;
-#endif
-    }
-
-loser:
-    if (rv == SECSuccess) {
-    	pbe_param->iter = DER_GetInteger(&pbe_param->iteration);
-    } else {
-	nsspkcs5_DestroyPBEParameter(pbe_param);
-	pbe_param = NULL;
-    }
-
-    return pbe_param;
-}
-
-/* destroy a pbe parameter.  it assumes that the parameter was 
- * generated using the appropriate create function and therefor
- * contains an arena pool.
- */
-void 
-nsspkcs5_DestroyPBEParameter(NSSPKCS5PBEParameter *pbe_param)
-{
-    if (pbe_param != NULL) {
-	PORT_FreeArena(pbe_param->poolp, PR_FALSE);
-    }
-}
-
-
-/* crypto routines */
-/* perform DES encryption and decryption.  these routines are called
- * by nsspkcs5_CipherData.  In the case of an error, NULL is returned.
- */
-static SECItem *
-sec_pkcs5_des(SECItem *key, SECItem *iv, SECItem *src, PRBool triple_des, 
-								PRBool encrypt)
-{
-    SECItem *dest;
-    SECItem *dup_src;
-    SECStatus rv = SECFailure;
-    int pad;
-
-    if((src == NULL) || (key == NULL) || (iv == NULL))
-	return NULL;
-
-    dup_src = SECITEM_DupItem(src);
-    if(dup_src == NULL) {
-	return NULL;
-    }
-
-    if(encrypt != PR_FALSE) {
-	void *dummy;
-
-	dummy = CBC_PadBuffer(NULL, dup_src->data, 
-	    dup_src->len, &dup_src->len, 8 /* DES_BLOCK_SIZE */);
-	if(dummy == NULL) {
-	    SECITEM_FreeItem(dup_src, PR_TRUE);
-	    return NULL;
-	}
-	dup_src->data = (unsigned char*)dummy;
-    }
-
-    dest = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
-    if(dest != NULL) {
-	/* allocate with over flow */
-	dest->data = (unsigned char *)PORT_ZAlloc(dup_src->len + 64);
-	if(dest->data != NULL) {
-	    DESContext *ctxt;
-	    ctxt = DES_CreateContext(key->data, iv->data, 
-			(triple_des ? NSS_DES_EDE3_CBC : NSS_DES_CBC), 
-			encrypt);
-	
-	    if(ctxt != NULL) {
-		rv = (encrypt ? DES_Encrypt : DES_Decrypt)(
-			ctxt, dest->data, &dest->len,
-			dup_src->len + 64, dup_src->data, dup_src->len);
-
-		/* remove padding -- assumes 64 bit blocks */
-		if((encrypt == PR_FALSE) && (rv == SECSuccess)) {
-		    pad = dest->data[dest->len-1];
-		    if((pad > 0) && (pad <= 8)) {
-			if(dest->data[dest->len-pad] != pad) {
-			    rv = SECFailure;
-			    PORT_SetError(SEC_ERROR_BAD_PASSWORD);
-			} else {
-			    dest->len -= pad;
-			}
-		    } else {
-			rv = SECFailure;
-			PORT_SetError(SEC_ERROR_BAD_PASSWORD);
-		    }
-		}
-		DES_DestroyContext(ctxt, PR_TRUE);
-	    }
-	}
-    }
-
-    if(rv == SECFailure) {
-	if(dest != NULL) {
-	    SECITEM_FreeItem(dest, PR_TRUE);
-	}
-	dest = NULL;
-    }
-
-    if(dup_src != NULL) {
-	SECITEM_FreeItem(dup_src, PR_TRUE);
-    }
-
-    return dest;
-}
-
-/* perform aes encryption/decryption if an error occurs, NULL is returned
- */
-static SECItem *
-sec_pkcs5_aes(SECItem *key, SECItem *iv, SECItem *src, PRBool triple_des, 
-								PRBool encrypt)
-{
-    SECItem *dest;
-    SECItem *dup_src;
-    SECStatus rv = SECFailure;
-    int pad;
-
-    if((src == NULL) || (key == NULL) || (iv == NULL))
-	return NULL;
-
-    dup_src = SECITEM_DupItem(src);
-    if(dup_src == NULL) {
-	return NULL;
-    }
-
-    if(encrypt != PR_FALSE) {
-	void *dummy;
-
-	dummy = CBC_PadBuffer(NULL, dup_src->data, 
-	    dup_src->len, &dup_src->len,AES_BLOCK_SIZE);
-	if(dummy == NULL) {
-	    SECITEM_FreeItem(dup_src, PR_TRUE);
-	    return NULL;
-	}
-	dup_src->data = (unsigned char*)dummy;
-    }
-
-    dest = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
-    if(dest != NULL) {
-	/* allocate with over flow */
-	dest->data = (unsigned char *)PORT_ZAlloc(dup_src->len + 64);
-	if(dest->data != NULL) {
-	    AESContext *ctxt;
-	    ctxt = AES_CreateContext(key->data, iv->data, 
-			NSS_AES_CBC, encrypt, key->len, 16);
-	
-	    if(ctxt != NULL) {
-		rv = (encrypt ? AES_Encrypt : AES_Decrypt)(
-			ctxt, dest->data, &dest->len,
-			dup_src->len + 64, dup_src->data, dup_src->len);
-
-		/* remove padding -- assumes 64 bit blocks */
-		if((encrypt == PR_FALSE) && (rv == SECSuccess)) {
-		    pad = dest->data[dest->len-1];
-		    if((pad > 0) && (pad <= 16)) {
-			if(dest->data[dest->len-pad] != pad) {
-			    rv = SECFailure;
-			    PORT_SetError(SEC_ERROR_BAD_PASSWORD);
-			} else {
-			    dest->len -= pad;
-			}
-		    } else {
-			rv = SECFailure;
-			PORT_SetError(SEC_ERROR_BAD_PASSWORD);
-		    }
-		}
-		AES_DestroyContext(ctxt, PR_TRUE);
-	    }
-	}
-    }
-
-    if(rv == SECFailure) {
-	if(dest != NULL) {
-	    SECITEM_FreeItem(dest, PR_TRUE);
-	}
-	dest = NULL;
-    }
-
-    if(dup_src != NULL) {
-	SECITEM_FreeItem(dup_src, PR_TRUE);
-    }
-
-    return dest;
-}
-
-/* perform rc2 encryption/decryption if an error occurs, NULL is returned
- */
-static SECItem *
-sec_pkcs5_rc2(SECItem *key, SECItem *iv, SECItem *src, PRBool dummy, 
-								PRBool encrypt)
-{
-    SECItem *dest;
-    SECItem *dup_src;
-    SECStatus rv = SECFailure;
-    int pad;
-
-    if((src == NULL) || (key == NULL) || (iv == NULL)) {
-	return NULL;
-    }
-
-    dup_src = SECITEM_DupItem(src);
-    if(dup_src == NULL) {
-	return NULL;
-    }
-
-    if(encrypt != PR_FALSE) {
-	void *dummy;
-
-	dummy = CBC_PadBuffer(NULL, dup_src->data, 
-		      dup_src->len, &dup_src->len, 8 /* RC2_BLOCK_SIZE */);
-	if(dummy == NULL) {
-	    SECITEM_FreeItem(dup_src, PR_TRUE);
-	    return NULL;
-	}
-	dup_src->data = (unsigned char*)dummy;
-    }
-
-    dest = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
-    if(dest != NULL) {
-	dest->data = (unsigned char *)PORT_ZAlloc(dup_src->len + 64);
-	if(dest->data != NULL) {
-	    RC2Context *ctxt;
-
-	    ctxt = RC2_CreateContext(key->data, key->len, iv->data,
-					 	NSS_RC2_CBC, key->len);
-
-	    if(ctxt != NULL) {
-		rv = (encrypt ? RC2_Encrypt: RC2_Decrypt)(
-			ctxt, dest->data, &dest->len,
-			dup_src->len + 64, dup_src->data, dup_src->len);
-
-		/* assumes 8 byte blocks  -- remove padding */	
-		if((rv == SECSuccess) && (encrypt != PR_TRUE)) {
-		    pad = dest->data[dest->len-1];
-		    if((pad > 0) && (pad <= 8)) {
-			if(dest->data[dest->len-pad] != pad) {
-			    PORT_SetError(SEC_ERROR_BAD_PASSWORD);
-			    rv = SECFailure;
-			} else {
-			    dest->len -= pad;
-			}
-		    } else {
-			PORT_SetError(SEC_ERROR_BAD_PASSWORD);
-			rv = SECFailure;
-		    }
-		}
-
-	    }
-	}
-    }
-
-    if((rv != SECSuccess) && (dest != NULL)) {
-	SECITEM_FreeItem(dest, PR_TRUE);
-	dest = NULL;
-    }
-
-    if(dup_src != NULL) {
-	SECITEM_FreeItem(dup_src, PR_TRUE);
-    }
-
-    return dest;
-}
-
-/* perform rc4 encryption and decryption */
-static SECItem *
-sec_pkcs5_rc4(SECItem *key, SECItem *iv, SECItem *src, PRBool dummy_op,
-								 PRBool encrypt)
-{
-    SECItem *dest;
-    SECStatus rv = SECFailure;
-
-    if((src == NULL) || (key == NULL) || (iv == NULL)) {
-	return NULL;
-    }
-
-    dest = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
-    if(dest != NULL) {
-	dest->data = (unsigned char *)PORT_ZAlloc(sizeof(unsigned char) *
-	    (src->len + 64));
-	if(dest->data != NULL) {
-	    RC4Context *ctxt;
-
-	    ctxt = RC4_CreateContext(key->data, key->len);
-	    if(ctxt) { 
-		rv = (encrypt ? RC4_Encrypt : RC4_Decrypt)(
-				ctxt, dest->data, &dest->len,
-				src->len + 64, src->data, src->len);
-		RC4_DestroyContext(ctxt, PR_TRUE);
-	    }
-	}
-    }
-
-    if((rv != SECSuccess) && (dest)) {
-	SECITEM_FreeItem(dest, PR_TRUE);
-	dest = NULL;
-    }
-
-    return dest;
-}
-/* function pointer template for crypto functions */
-typedef SECItem *(* pkcs5_crypto_func)(SECItem *key, SECItem *iv,
-                                         SECItem *src, PRBool op1, PRBool op2);
-
-/* performs the cipher operation on the src and returns the result.
- * if an error occurs, NULL is returned. 
- *
- * a null length password is allowed.  this corresponds to encrypting
- * the data with ust the salt.
- */
-/* change this to use PKCS 11? */
-SECItem *
-nsspkcs5_CipherData(NSSPKCS5PBEParameter *pbe_param, SECItem *pwitem, 
-		    SECItem *src, PRBool encrypt, PRBool *update)
-{
-    SECItem *key = NULL, iv;
-    SECItem *dest = NULL;
-    PRBool tripleDES = PR_TRUE;
-    pkcs5_crypto_func cryptof;
-
-    iv.data = NULL;
-
-    if (update) { 
-        *update = PR_FALSE;
-    }
-
-    if ((pwitem == NULL) || (src == NULL)) {
-	return NULL;
-    }
-
-    /* get key, and iv */
-    key = nsspkcs5_ComputeKeyAndIV(pbe_param, pwitem, &iv, PR_FALSE);
-    if(key == NULL) {
-	return NULL;
-    }
-
-    switch(pbe_param->encAlg) {
-    /* PKCS 5 v2 only */
-    case SEC_OID_AES_128_CBC:
-    case SEC_OID_AES_192_CBC:
-    case SEC_OID_AES_256_CBC:
-	cryptof = sec_pkcs5_aes;
-	break;
-    case SEC_OID_DES_EDE3_CBC:
-	cryptof = sec_pkcs5_des;
-	tripleDES = PR_TRUE;
-	break;
-    case SEC_OID_DES_CBC:
-	cryptof = sec_pkcs5_des;
-	tripleDES = PR_FALSE;
-	break;
-    case SEC_OID_RC2_CBC:
-	cryptof = sec_pkcs5_rc2;
-	break;
-    case SEC_OID_RC4:
-	cryptof = sec_pkcs5_rc4;
-	break;
-    default:
-	cryptof = NULL;
-	break;
-    }
-
-    if (cryptof == NULL) {
-	goto loser;
-    }
-
-    dest = (*cryptof)(key, &iv, src, tripleDES, encrypt);
-    /* 
-     * it's possible for some keys and keydb's to claim to
-     * be triple des when they're really des. In this case
-     * we simply try des. If des works we set the update flag
-     * so the key db knows it needs to update all it's entries.
-     *  The case can only happen on decrypted of a 
-     *  SEC_OID_DES_EDE3_CBD.
-     */
-    if ((dest == NULL) && (encrypt == PR_FALSE) && 
-				(pbe_param->encAlg == SEC_OID_DES_EDE3_CBC)) {
-	dest = (*cryptof)(key, &iv, src, PR_FALSE, encrypt);
-	if (update && (dest != NULL)) *update = PR_TRUE;
-    }
-
-loser:
-    if (key != NULL) {
-	SECITEM_ZfreeItem(key, PR_TRUE);
-    }
-    if (iv.data != NULL) {
-	SECITEM_ZfreeItem(&iv, PR_FALSE);
-    }
-
-    return dest;
-}
-
-/* creates a algorithm ID containing the PBE algorithm and appropriate
- * parameters.  the required parameter is the algorithm.  if salt is
- * not specified, it is generated randomly.  if IV is specified, it overrides
- * the PKCS 5 generation of the IV.  
- *
- * the returned SECAlgorithmID should be destroyed using 
- * SECOID_DestroyAlgorithmID
- */
-SECAlgorithmID *
-nsspkcs5_CreateAlgorithmID(PRArenaPool *arena, SECOidTag algorithm, 
-					NSSPKCS5PBEParameter *pbe_param)
-{
-    SECAlgorithmID *algid, *ret_algid = NULL;
-    SECItem der_param;
-    nsspkcs5V2PBEParameter pkcs5v2_param;
-
-    SECStatus rv = SECFailure;
-    void *dummy = NULL;
-
-    if (arena == NULL) {
-	return NULL;
-    }
-
-    der_param.data = NULL;
-    der_param.len = 0;
-
-    /* generate the algorithm id */
-    algid = (SECAlgorithmID *)PORT_ArenaZAlloc(arena, sizeof(SECAlgorithmID));
-    if (algid == NULL) {
-	goto loser;
-    }
-
-    if (pbe_param->iteration.data == NULL) {
-	dummy = SEC_ASN1EncodeInteger(pbe_param->poolp,&pbe_param->iteration,
-								pbe_param->iter);
-	if (dummy == NULL) {
-	    goto loser;
-	}
-    }
-    switch (pbe_param->pbeType) {
-    case NSSPKCS5_PBKDF1:
-	dummy = SEC_ASN1EncodeItem(arena, &der_param, pbe_param,
-					NSSPKCS5PBEParameterTemplate);
-	break;
-    case NSSPKCS5_PKCS12_V2:
-	dummy = SEC_ASN1EncodeItem(arena, &der_param, pbe_param,
-	    				NSSPKCS5PKCS12V2PBEParameterTemplate);
-	break;
-#ifdef PBKDF2
-    case NSSPKCS5_PBKDF2:
-        if (pbe_param->keyLength.data == NULL) {
-	    dummy = SEC_ASN1EncodeInteger(pbe_param->poolp,
-				&pbe_param->keyLength, pbe_param->keyLen);
-	    if (dummy == NULL) {
-		goto loser;
-	    }
-	}
-	PORT_Memset(&pkcs5v2_param, 0, sizeof(pkcs5v2_param));
-	dummy = SEC_ASN1EncodeItem(arena, &der_param, pbe_param,
-	    				NSSPKCS5V2PBEParameterTemplate);
-	if (dummy == NULL) {
-	    break;
-	}
-	dummy = NULL;
-	rv = SECOID_SetAlgorithmID(arena, &pkcs5v2_param.keyParams, 
-				  SEC_OID_PKCS5_PBKDF2, &der_param);
-	if (rv != SECSuccess) {
-	    break;
-	}
-	der_param.data = pbe_param->ivData;
-	der_param.len = pbe_param->ivLen;
-	rv = SECOID_SetAlgorithmID(arena, &pkcs5v2_param.algParams, 
-		pbe_param->encAlg, pbe_param->ivLen ? &der_param : NULL);
-	if (rv != SECSuccess) {
-	    break;
-	}
-	dummy = SEC_ASN1EncodeItem(arena,  &der_param, &pkcs5v2_param,
-	    				NSSPKCS5V2PBES2ParameterTemplate);
-	break;
-#endif
-    default:
-	break;
-    }
-
-    if (dummy == NULL) {
-	goto loser;
-    }
-	
-    rv = SECOID_SetAlgorithmID(arena, algid, algorithm, &der_param);
-    if (rv != SECSuccess) {
-	goto loser;
-    }
-
-    ret_algid = (SECAlgorithmID *)PORT_ZAlloc(sizeof(SECAlgorithmID));
-    if (ret_algid == NULL) {
-	goto loser;
-    }
-
-    rv = SECOID_CopyAlgorithmID(NULL, ret_algid, algid);
-    if (rv != SECSuccess) {
-	SECOID_DestroyAlgorithmID(ret_algid, PR_TRUE);
-	ret_algid = NULL;
-    }
-
-loser:	
-
-    return ret_algid;
-}