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/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#include <stdio.h>
#include "prio.h"
#include "swforti.h"
#include "maci.h"
#include "secder.h"
#include "blapi.h"
void
printkey(char *s, unsigned char *block) {
int i;
printf("%s \n 0x",s);
for(i=0; i < 10; i++) printf("%02x",block[i]);
printf("\n");
}
void
printblock(char *s, unsigned char *block) {
int i;
printf("%s \n 0x",s);
for(i=0; i < 8; i++) printf("%02x",block[i]);
printf("\n 0x");
for(i=8; i < 16; i++) printf("%02x",block[i]);
printf("\n");
}
static char *leafbits="THIS IS NOT LEAF";
static void
encryptCertEntry(fortProtectedData *pdata,FORTSkipjackKeyPtr Ks,
unsigned char *data,int len)
{
unsigned char *dataout;
int enc_len;
/* XXX Make length */
pdata->dataIV.data = PORT_ZAlloc(24);
pdata->dataIV.len = 24;
PORT_Memcpy(pdata->dataIV.data,leafbits,SKIPJACK_LEAF_SIZE);
fort_GenerateRandom(&pdata->dataIV.data[SKIPJACK_LEAF_SIZE],
SKIPJACK_BLOCK_SIZE);
enc_len = (len + (SKIPJACK_BLOCK_SIZE-1)) & ~(SKIPJACK_BLOCK_SIZE-1);
dataout = pdata->dataEncryptedWithKs.data = PORT_ZAlloc(enc_len);
pdata->dataEncryptedWithKs.len = enc_len;
fort_skipjackEncrypt(Ks,&pdata->dataIV.data[SKIPJACK_LEAF_SIZE],
enc_len, data,dataout);
if (len > 255) {
pdata->length.data = PORT_ZAlloc(2);
pdata->length.data[0] = (len >> 8) & 0xff;
pdata->length.data[1] = len & 0xff;
pdata->length.len = 2;
} else {
pdata->length.data = PORT_ZAlloc(1);
pdata->length.data[0] = len & 0xff;
pdata->length.len = 1;
}
}
unsigned char issuer[30] = { 0 };
void
makeCertSlot(fortSlotEntry *entry,int index,char *label,SECItem *cert,
FORTSkipjackKeyPtr Ks, unsigned char *xKEA, unsigned char *xDSA,
unsigned char *pubKey, int pubKeyLen, unsigned char *p, unsigned char *q,
unsigned char *g)
{
unsigned char *key; /* private key */
entry->trusted.data = PORT_Alloc(1);
*entry->trusted.data = index == 0 ? 1 : 0;
entry->trusted.len = 1;
entry->certificateIndex.data = PORT_Alloc(1);
*entry->certificateIndex.data = index;
entry->certificateIndex.len = 1;
entry->certIndex = index;
encryptCertEntry(&entry->certificateLabel,Ks,
(unsigned char *)label, strlen(label));
encryptCertEntry(&entry->certificateData,Ks, cert->data, cert->len);
if (xKEA) {
entry->exchangeKeyInformation = PORT_ZNew(fortKeyInformation);
entry->exchangeKeyInformation->keyFlags.data = PORT_ZAlloc(1);
entry->exchangeKeyInformation->keyFlags.data[0] = 1;
entry->exchangeKeyInformation->keyFlags.len = 1;
key = PORT_Alloc(24);
fort_skipjackWrap(Ks,24,xKEA,key);
entry->exchangeKeyInformation->privateKeyWrappedWithKs.data = key;
entry->exchangeKeyInformation->privateKeyWrappedWithKs.len = 24;
entry->exchangeKeyInformation->derPublicKey.data = pubKey;
entry->exchangeKeyInformation->derPublicKey.len = pubKeyLen;
entry->exchangeKeyInformation->p.data = p;
entry->exchangeKeyInformation->p.len = 128;
entry->exchangeKeyInformation->q.data = q;
entry->exchangeKeyInformation->q.len = 20;
entry->exchangeKeyInformation->g.data = g;
entry->exchangeKeyInformation->g.len = 128;
entry->signatureKeyInformation = PORT_ZNew(fortKeyInformation);
entry->signatureKeyInformation->keyFlags.data = PORT_ZAlloc(1);
entry->signatureKeyInformation->keyFlags.data[0] = 1;
entry->signatureKeyInformation->keyFlags.len = 1;
key = PORT_Alloc(24);
fort_skipjackWrap(Ks,24,xDSA,key);
entry->signatureKeyInformation->privateKeyWrappedWithKs.data = key;
entry->signatureKeyInformation->privateKeyWrappedWithKs.len = 24;
entry->signatureKeyInformation->derPublicKey.data = pubKey;
entry->signatureKeyInformation->derPublicKey.len = pubKeyLen;
entry->signatureKeyInformation->p.data = p;
entry->signatureKeyInformation->p.len = 128;
entry->signatureKeyInformation->q.data = q;
entry->signatureKeyInformation->q.len = 20;
entry->signatureKeyInformation->g.data = g;
entry->signatureKeyInformation->g.len = 128;
} else {
entry->exchangeKeyInformation = NULL;
entry->signatureKeyInformation = NULL;
}
return;
}
void
makeProtectedPhrase(FORTSWFile *file, fortProtectedPhrase *prot_phrase,
FORTSkipjackKeyPtr Ks, FORTSkipjackKeyPtr Kinit, char *phrase)
{
SHA1Context *sha;
unsigned char hashout[SHA1_LENGTH];
FORTSkipjackKey Kfek;
unsigned int len;
unsigned char cw[4];
unsigned char enc_version[2];
unsigned char *data = NULL;
int keySize;
int i,version;
char tmp_data[13];
if (strlen(phrase) < 12) {
PORT_Memset(tmp_data, ' ', sizeof(tmp_data));
PORT_Memcpy(tmp_data,phrase,strlen(phrase));
tmp_data[12] = 0;
phrase = tmp_data;
}
/* now calculate the PBE key for fortezza */
sha = SHA1_NewContext();
SHA1_Begin(sha);
version = DER_GetUInteger(&file->version);
enc_version[0] = (version >> 8) & 0xff;
enc_version[1] = version & 0xff;
SHA1_Update(sha,enc_version,sizeof(enc_version));
SHA1_Update(sha,file->derIssuer.data, file->derIssuer.len);
SHA1_Update(sha,file->serialID.data, file->serialID.len);
SHA1_Update(sha,(unsigned char *)phrase,strlen(phrase));
SHA1_End(sha,hashout,&len,SHA1_LENGTH);
PORT_Memcpy(Kfek,hashout,sizeof(FORTSkipjackKey));
keySize = sizeof(CI_KEY);
if (Kinit) keySize = SKIPJACK_BLOCK_SIZE*2;
data = PORT_ZAlloc(keySize);
prot_phrase->wrappedKValue.data = data;
prot_phrase->wrappedKValue.len = keySize;
fort_skipjackWrap(Kfek,sizeof(CI_KEY),Ks,data);
/* first, decrypt the hashed/Encrypted Memphrase */
data = (unsigned char *) PORT_ZAlloc(SHA1_LENGTH+sizeof(cw));
/* now build the hash for comparisons */
SHA1_Begin(sha);
SHA1_Update(sha,(unsigned char *)phrase,strlen(phrase));
SHA1_End(sha,hashout,&len,SHA1_LENGTH);
SHA1_DestroyContext(sha,PR_TRUE);
/* now calcuate the checkword and compare it */
cw[0] = cw[1] = cw[2] = cw[3] = 0;
for (i=0; i <5 ; i++) {
cw[0] = cw[0] ^ hashout[i*4];
cw[1] = cw[1] ^ hashout[i*4+1];
cw[2] = cw[2] ^ hashout[i*4+2];
cw[3] = cw[3] ^ hashout[i*4+3];
}
PORT_Memcpy(data,hashout,len);
PORT_Memcpy(data+len,cw,sizeof(cw));
prot_phrase->memPhraseIV.data = PORT_ZAlloc(24);
prot_phrase->memPhraseIV.len = 24;
PORT_Memcpy(prot_phrase->memPhraseIV.data,leafbits,SKIPJACK_LEAF_SIZE);
fort_GenerateRandom(&prot_phrase->memPhraseIV.data[SKIPJACK_LEAF_SIZE],
SKIPJACK_BLOCK_SIZE);
prot_phrase->kValueIV.data = PORT_ZAlloc(24);
prot_phrase->kValueIV.len = 24;
PORT_Memcpy(prot_phrase->kValueIV.data,leafbits,SKIPJACK_LEAF_SIZE);
fort_GenerateRandom(&prot_phrase->kValueIV.data[SKIPJACK_LEAF_SIZE],
SKIPJACK_BLOCK_SIZE);
fort_skipjackEncrypt(Ks,&prot_phrase->memPhraseIV.data[SKIPJACK_LEAF_SIZE],
len+sizeof(cw), data,data);
prot_phrase->hashedEncryptedMemPhrase.data = data;
prot_phrase->hashedEncryptedMemPhrase.len = len+sizeof(cw);
if (Kinit) {
fort_skipjackEncrypt(Kinit,
&prot_phrase->kValueIV.data[SKIPJACK_LEAF_SIZE],
prot_phrase->wrappedKValue.len,
prot_phrase->wrappedKValue.data,
prot_phrase->wrappedKValue.data );
}
return;
}
void
fill_in(SECItem *item,unsigned char *data, int len)
{
item->data = PORT_Alloc(len);
PORT_Memcpy(item->data,data,len);
item->len = len;
}
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