static SECStatus
crmf_copy_popoprivkey(PLArenaPool *poolp,
CRMFPOPOPrivKey *srcPrivKey,
CRMFPOPOPrivKey *destPrivKey)
{
SECStatus rv;
destPrivKey->messageChoice = srcPrivKey->messageChoice;
switch (destPrivKey->messageChoice) {
case crmfThisMessage:
case crmfDHMAC:
/* I've got a union, so taking the address of one, will also give
* me a pointer to the other (eg, message.dhMAC)
*/
rv = crmf_make_bitstring_copy(poolp, &destPrivKey->message.thisMessage,
&srcPrivKey->message.thisMessage);
break;
case crmfSubsequentMessage:
rv = SECITEM_CopyItem(poolp, &destPrivKey->message.subsequentMessage,
&srcPrivKey->message.subsequentMessage);
break;
default:
rv = SECFailure;
}
if (rv != SECSuccess && poolp == NULL) {
CRMF_DestroyPOPOPrivKey(destPrivKey);
}
return rv;
}
SECItem *
CRMF_POPOSigningKeyGetSignature(CRMFPOPOSigningKey *inSignKey)
{
SECItem *newSig = NULL;
SECStatus rv;
PORT_Assert(inSignKey != NULL);
if (inSignKey == NULL) {
return NULL;
}
newSig = PORT_ZNew(SECItem);
if (newSig == NULL) {
goto loser;
}
rv = crmf_make_bitstring_copy(NULL, newSig, &inSignKey->signature);
if (rv != SECSuccess) {
goto loser;
}
return newSig;
loser:
if (newSig != NULL) {
SECITEM_FreeItem(newSig, PR_TRUE);
}
return NULL;
}
SECStatus
CRMF_POPOPrivKeyGetDHMAC(CRMFPOPOPrivKey *inKey, SECItem *destMAC)
{
PORT_Assert(inKey != NULL);
if (inKey == NULL || inKey->message.dhMAC.data == NULL) {
return SECFailure;
}
return crmf_make_bitstring_copy(NULL, destMAC, &inKey->message.dhMAC);
}
SECStatus
CRMF_POPOPrivKeyGetThisMessage(CRMFPOPOPrivKey *inKey,
SECItem *destString)
{
PORT_Assert(inKey != NULL);
if (inKey == NULL ||
inKey->messageChoice != crmfThisMessage) {
return SECFailure;
}
return crmf_make_bitstring_copy(NULL, destString,
&inKey->message.thisMessage);
}
SECStatus
CRMF_CertRequestGetCertTemplateSubjectUID(CRMFCertRequest *inCertReq,
SECItem *destSubjectUID)
{
PORT_Assert(inCertReq != NULL);
if (inCertReq == NULL) {
return SECFailure;
}
if (CRMF_DoesRequestHaveField(inCertReq, crmfSubjectUID)) {
return crmf_make_bitstring_copy(NULL, destSubjectUID,
&inCertReq->certTemplate.subjectUID);
}
return SECFailure;
}
static SECStatus
crmf_copy_poposigningkey(PLArenaPool *poolp,
CRMFPOPOSigningKey *inPopoSignKey,
CRMFPOPOSigningKey *destPopoSignKey)
{
SECStatus rv;
/* We don't support use of the POPOSigningKeyInput, so we'll only
* store away the DER encoding.
*/
if (inPopoSignKey->derInput.data != NULL) {
rv = SECITEM_CopyItem(poolp, &destPopoSignKey->derInput,
&inPopoSignKey->derInput);
}
destPopoSignKey->algorithmIdentifier = (poolp == NULL) ?
PORT_ZNew(SECAlgorithmID)
:
PORT_ArenaZNew(poolp, SECAlgorithmID);
if (destPopoSignKey->algorithmIdentifier == NULL) {
goto loser;
}
rv = SECOID_CopyAlgorithmID(poolp, destPopoSignKey->algorithmIdentifier,
inPopoSignKey->algorithmIdentifier);
if (rv != SECSuccess) {
goto loser;
}
rv = crmf_make_bitstring_copy(poolp, &destPopoSignKey->signature,
&inPopoSignKey->signature);
if (rv != SECSuccess) {
goto loser;
}
return SECSuccess;
loser:
if (poolp == NULL) {
CRMF_DestroyPOPOSigningKey(destPopoSignKey);
}
return SECFailure;
}
static SECItem *
crmf_get_encvalue_bitstring(SECItem *srcItem)
{
SECItem *newItem = NULL;
SECStatus rv;
if (srcItem->data == NULL) {
return NULL;
}
newItem = PORT_ZNew(SECItem);
if (newItem == NULL) {
goto loser;
}
rv = crmf_make_bitstring_copy(NULL, newItem, srcItem);
if (rv != SECSuccess) {
goto loser;
}
return newItem;
loser:
if (newItem != NULL) {
SECITEM_FreeItem(newItem, PR_TRUE);
}
return NULL;
}
CRMFEncryptedValue *
crmf_create_encrypted_value_wrapped_privkey(SECKEYPrivateKey *inPrivKey,
SECKEYPublicKey *inCAKey,
CRMFEncryptedValue *destValue)
{
SECItem wrappedPrivKey, wrappedSymKey;
SECItem encodedParam, *dummy;
SECStatus rv;
CK_MECHANISM_TYPE pubMechType, symKeyType;
unsigned char *wrappedSymKeyBits;
unsigned char *wrappedPrivKeyBits;
SECItem *iv = NULL;
SECOidTag tag;
PK11SymKey *symKey;
PK11SlotInfo *slot;
SECAlgorithmID *symmAlg;
CRMFEncryptedValue *myEncrValue = NULL;
encodedParam.data = NULL;
wrappedSymKeyBits = PORT_NewArray(unsigned char, MAX_WRAPPED_KEY_LEN);
wrappedPrivKeyBits = PORT_NewArray(unsigned char, MAX_WRAPPED_KEY_LEN);
if (wrappedSymKeyBits == NULL || wrappedPrivKeyBits == NULL) {
goto loser;
}
if (destValue == NULL) {
myEncrValue = destValue = PORT_ZNew(CRMFEncryptedValue);
if (destValue == NULL) {
goto loser;
}
}
pubMechType = crmf_get_mechanism_from_public_key(inCAKey);
if (pubMechType == CKM_INVALID_MECHANISM) {
/* XXX I should probably do something here for non-RSA
* keys that are in certs. (ie DSA)
* XXX or at least SET AN ERROR CODE.
*/
goto loser;
}
slot = inPrivKey->pkcs11Slot;
PORT_Assert(slot != NULL);
symKeyType = crmf_get_best_privkey_wrap_mechanism(slot);
symKey = PK11_KeyGen(slot, symKeyType, NULL, 0, NULL);
if (symKey == NULL) {
goto loser;
}
wrappedSymKey.data = wrappedSymKeyBits;
wrappedSymKey.len = MAX_WRAPPED_KEY_LEN;
rv = PK11_PubWrapSymKey(pubMechType, inCAKey, symKey, &wrappedSymKey);
if (rv != SECSuccess) {
goto loser;
}
/* Make the length of the result a Bit String length. */
wrappedSymKey.len <<= 3;
wrappedPrivKey.data = wrappedPrivKeyBits;
wrappedPrivKey.len = MAX_WRAPPED_KEY_LEN;
iv = crmf_get_iv(symKeyType);
rv = PK11_WrapPrivKey(slot, symKey, inPrivKey, symKeyType, iv,
&wrappedPrivKey, NULL);
PK11_FreeSymKey(symKey);
if (rv != SECSuccess) {
goto loser;
}
/* Make the length of the result a Bit String length. */
wrappedPrivKey.len <<= 3;
rv = crmf_make_bitstring_copy(NULL,
&destValue->encValue,
&wrappedPrivKey);
if (rv != SECSuccess) {
goto loser;
}
rv = crmf_make_bitstring_copy(NULL,
&destValue->encSymmKey,
&wrappedSymKey);
if (rv != SECSuccess) {
goto loser;
}
destValue->symmAlg = symmAlg = PORT_ZNew(SECAlgorithmID);
if (symmAlg == NULL) {
goto loser;
}
dummy = SEC_ASN1EncodeItem(NULL, &encodedParam, iv,
SEC_ASN1_GET(SEC_OctetStringTemplate));
if (dummy != &encodedParam) {
SECITEM_FreeItem(dummy, PR_TRUE);
goto loser;
}
symKeyType = crmf_get_non_pad_mechanism(symKeyType);
tag = PK11_MechanismToAlgtag(symKeyType);
rv = SECOID_SetAlgorithmID(NULL, symmAlg, tag, &encodedParam);
if (rv != SECSuccess) {
goto loser;
}
SECITEM_FreeItem(&encodedParam, PR_FALSE);
PORT_Free(wrappedPrivKeyBits);
PORT_Free(wrappedSymKeyBits);
SECITEM_FreeItem(iv, PR_TRUE);
return destValue;
loser:
if (iv != NULL) {
SECITEM_FreeItem(iv, PR_TRUE);
}
if (myEncrValue != NULL) {
crmf_destroy_encrypted_value(myEncrValue, PR_TRUE);
}
if (wrappedSymKeyBits != NULL) {
PORT_Free(wrappedSymKeyBits);
}
if (wrappedPrivKeyBits != NULL) {
PORT_Free(wrappedPrivKeyBits);
}
if (encodedParam.data != NULL) {
SECITEM_FreeItem(&encodedParam, PR_FALSE);
}
return NULL;
}
SECStatus
crmf_copy_encryptedvalue(PLArenaPool *poolp,
CRMFEncryptedValue *srcValue,
CRMFEncryptedValue *destValue)
{
SECStatus rv;
if (srcValue->intendedAlg != NULL) {
rv = crmf_copy_encryptedvalue_secalg(poolp,
srcValue->intendedAlg,
&destValue->intendedAlg);
if (rv != SECSuccess) {
goto loser;
}
}
if (srcValue->symmAlg != NULL) {
rv = crmf_copy_encryptedvalue_secalg(poolp,
srcValue->symmAlg,
&destValue->symmAlg);
if (rv != SECSuccess) {
goto loser;
}
}
if (srcValue->encSymmKey.data != NULL) {
rv = crmf_make_bitstring_copy(poolp,
&destValue->encSymmKey,
&srcValue->encSymmKey);
if (rv != SECSuccess) {
goto loser;
}
}
if (srcValue->keyAlg != NULL) {
rv = crmf_copy_encryptedvalue_secalg(poolp,
srcValue->keyAlg,
&destValue->keyAlg);
if (rv != SECSuccess) {
goto loser;
}
}
if (srcValue->valueHint.data != NULL) {
rv = SECITEM_CopyItem(poolp,
&destValue->valueHint,
&srcValue->valueHint);
if (rv != SECSuccess) {
goto loser;
}
}
if (srcValue->encValue.data != NULL) {
rv = crmf_make_bitstring_copy(poolp,
&destValue->encValue,
&srcValue->encValue);
if (rv != SECSuccess) {
goto loser;
}
}
return SECSuccess;
loser:
if (poolp == NULL && destValue != NULL) {
crmf_destroy_encrypted_value(destValue, PR_FALSE);
}
return SECFailure;
}
