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gecko-dev/security/nss/lib/pk11wrap/pk11pk12.c

774 строки
27 KiB
C
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/* 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/. */
/*
* This file PKCS #12 fuctions that should really be moved to the
* PKCS #12 directory, however we can't do that in a point release
* because that will break binary compatibility, so we keep them here for now.
*/
#include "seccomon.h"
#include "secmod.h"
#include "secmodi.h"
#include "pkcs11.h"
#include "pk11func.h"
#include "secitem.h"
#include "key.h"
#include "secoid.h"
#include "secasn1.h"
#include "secerr.h"
#include "prerror.h"
/* These data structures should move to a common .h file shared between the
* wrappers and the pkcs 12 code. */
/*
** RSA Raw Private Key structures
*/
/* member names from PKCS#1, section 7.2 */
struct SECKEYRSAPrivateKeyStr {
PLArenaPool *arena;
SECItem version;
SECItem modulus;
SECItem publicExponent;
SECItem privateExponent;
SECItem prime1;
SECItem prime2;
SECItem exponent1;
SECItem exponent2;
SECItem coefficient;
};
typedef struct SECKEYRSAPrivateKeyStr SECKEYRSAPrivateKey;
/*
** DSA Raw Private Key structures
*/
struct SECKEYDSAPrivateKeyStr {
SECKEYPQGParams params;
SECItem privateValue;
};
typedef struct SECKEYDSAPrivateKeyStr SECKEYDSAPrivateKey;
/*
** Diffie-Hellman Raw Private Key structures
** Structure member names suggested by PKCS#3.
*/
struct SECKEYDHPrivateKeyStr {
PLArenaPool *arena;
SECItem prime;
SECItem base;
SECItem privateValue;
};
typedef struct SECKEYDHPrivateKeyStr SECKEYDHPrivateKey;
/*
** Elliptic Curve Private Key structures
** <https://tools.ietf.org/html/rfc5915#section-3>
*/
struct SECKEYECPrivateKeyStr {
PLArenaPool *arena;
SECItem version;
SECItem curveOID; /* optional/ignored */
SECItem publicValue; /* required (for now) */
SECItem privateValue;
};
typedef struct SECKEYECPrivateKeyStr SECKEYECPrivateKey;
/*
** raw private key object
*/
struct SECKEYRawPrivateKeyStr {
PLArenaPool *arena;
KeyType keyType;
union {
SECKEYRSAPrivateKey rsa;
SECKEYDSAPrivateKey dsa;
SECKEYDHPrivateKey dh;
SECKEYECPrivateKey ec;
} u;
};
typedef struct SECKEYRawPrivateKeyStr SECKEYRawPrivateKey;
SEC_ASN1_MKSUB(SEC_AnyTemplate)
SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate)
/* ASN1 Templates for new decoder/encoder */
/*
* Attribute value for PKCS8 entries (static?)
*/
const SEC_ASN1Template SECKEY_AttributeTemplate[] = {
{ SEC_ASN1_SEQUENCE,
0, NULL, sizeof(SECKEYAttribute) },
{ SEC_ASN1_OBJECT_ID, offsetof(SECKEYAttribute, attrType) },
{ SEC_ASN1_SET_OF | SEC_ASN1_XTRN, offsetof(SECKEYAttribute, attrValue),
SEC_ASN1_SUB(SEC_AnyTemplate) },
{ 0 }
};
const SEC_ASN1Template SECKEY_SetOfAttributeTemplate[] = {
{ SEC_ASN1_SET_OF, 0, SECKEY_AttributeTemplate },
};
const SEC_ASN1Template SECKEY_PrivateKeyInfoTemplate[] = {
{ SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SECKEYPrivateKeyInfo) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYPrivateKeyInfo, version) },
{ SEC_ASN1_INLINE | SEC_ASN1_XTRN,
offsetof(SECKEYPrivateKeyInfo, algorithm),
SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
{ SEC_ASN1_OCTET_STRING, offsetof(SECKEYPrivateKeyInfo, privateKey) },
{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
offsetof(SECKEYPrivateKeyInfo, attributes),
SECKEY_SetOfAttributeTemplate },
{ 0 }
};
const SEC_ASN1Template SECKEY_PointerToPrivateKeyInfoTemplate[] = {
{ SEC_ASN1_POINTER, 0, SECKEY_PrivateKeyInfoTemplate }
};
const SEC_ASN1Template SECKEY_RSAPrivateKeyExportTemplate[] = {
{ SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SECKEYRawPrivateKey) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.version) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.modulus) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.publicExponent) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.privateExponent) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.prime1) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.prime2) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.exponent1) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.exponent2) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.rsa.coefficient) },
{ 0 }
};
const SEC_ASN1Template SECKEY_DSAPrivateKeyExportTemplate[] = {
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.dsa.privateValue) },
};
const SEC_ASN1Template SECKEY_DHPrivateKeyExportTemplate[] = {
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.dh.privateValue) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.dh.base) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.dh.prime) },
};
SEC_ASN1_MKSUB(SEC_BitStringTemplate)
SEC_ASN1_MKSUB(SEC_ObjectIDTemplate)
const SEC_ASN1Template SECKEY_ECPrivateKeyExportTemplate[] = {
{ SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SECKEYRawPrivateKey) },
{ SEC_ASN1_INTEGER, offsetof(SECKEYRawPrivateKey, u.ec.version) },
{ SEC_ASN1_OCTET_STRING,
offsetof(SECKEYRawPrivateKey, u.ec.privateValue) },
/* This value will always be ignored. u.ec.curveOID will always be
* overriden with the outer AlgorithmID.parameters. */
{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED |
SEC_ASN1_EXPLICIT | SEC_ASN1_CONTEXT_SPECIFIC |
SEC_ASN1_XTRN | 0,
offsetof(SECKEYRawPrivateKey, u.ec.curveOID),
SEC_ASN1_SUB(SEC_ObjectIDTemplate) },
/* The public value is optional per RFC, but required in NSS. We
* can't do scalar mult on ECs to get a raw point with PK11 APIs. */
{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED |
SEC_ASN1_EXPLICIT | SEC_ASN1_CONTEXT_SPECIFIC |
SEC_ASN1_XTRN | 1,
offsetof(SECKEYRawPrivateKey, u.ec.publicValue),
SEC_ASN1_SUB(SEC_BitStringTemplate) },
{ 0 }
};
const SEC_ASN1Template SECKEY_EncryptedPrivateKeyInfoTemplate[] = {
{ SEC_ASN1_SEQUENCE,
0, NULL, sizeof(SECKEYEncryptedPrivateKeyInfo) },
{ SEC_ASN1_INLINE | SEC_ASN1_XTRN,
offsetof(SECKEYEncryptedPrivateKeyInfo, algorithm),
SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
{ SEC_ASN1_OCTET_STRING,
offsetof(SECKEYEncryptedPrivateKeyInfo, encryptedData) },
{ 0 }
};
const SEC_ASN1Template SECKEY_PointerToEncryptedPrivateKeyInfoTemplate[] = {
{ SEC_ASN1_POINTER, 0, SECKEY_EncryptedPrivateKeyInfoTemplate }
};
SEC_ASN1_CHOOSER_IMPLEMENT(SECKEY_EncryptedPrivateKeyInfoTemplate)
SEC_ASN1_CHOOSER_IMPLEMENT(SECKEY_PointerToEncryptedPrivateKeyInfoTemplate)
SEC_ASN1_CHOOSER_IMPLEMENT(SECKEY_PrivateKeyInfoTemplate)
SEC_ASN1_CHOOSER_IMPLEMENT(SECKEY_PointerToPrivateKeyInfoTemplate)
/*
* See bugzilla bug 125359
* Since NSS (via PKCS#11) wants to handle big integers as unsigned ints,
* all of the templates above that en/decode into integers must be converted
* from ASN.1's signed integer type. This is done by marking either the
* source or destination (encoding or decoding, respectively) type as
* siUnsignedInteger.
*/
static void
prepare_rsa_priv_key_export_for_asn1(SECKEYRawPrivateKey *key)
{
key->u.rsa.modulus.type = siUnsignedInteger;
key->u.rsa.publicExponent.type = siUnsignedInteger;
key->u.rsa.privateExponent.type = siUnsignedInteger;
key->u.rsa.prime1.type = siUnsignedInteger;
key->u.rsa.prime2.type = siUnsignedInteger;
key->u.rsa.exponent1.type = siUnsignedInteger;
key->u.rsa.exponent2.type = siUnsignedInteger;
key->u.rsa.coefficient.type = siUnsignedInteger;
}
static void
prepare_dsa_priv_key_export_for_asn1(SECKEYRawPrivateKey *key)
{
key->u.dsa.privateValue.type = siUnsignedInteger;
key->u.dsa.params.prime.type = siUnsignedInteger;
key->u.dsa.params.subPrime.type = siUnsignedInteger;
key->u.dsa.params.base.type = siUnsignedInteger;
}
static void
prepare_dh_priv_key_export_for_asn1(SECKEYRawPrivateKey *key)
{
key->u.dh.privateValue.type = siUnsignedInteger;
key->u.dh.prime.type = siUnsignedInteger;
key->u.dh.base.type = siUnsignedInteger;
}
static void
prepare_ec_priv_key_export_for_asn1(SECKEYRawPrivateKey *key)
{
key->u.ec.version.type = siUnsignedInteger;
key->u.ec.curveOID.type = siUnsignedInteger;
key->u.ec.privateValue.type = siUnsignedInteger;
key->u.ec.publicValue.type = siUnsignedInteger;
}
SECStatus
PK11_ImportDERPrivateKeyInfo(PK11SlotInfo *slot, SECItem *derPKI,
SECItem *nickname, SECItem *publicValue, PRBool isPerm,
PRBool isPrivate, unsigned int keyUsage, void *wincx)
{
return PK11_ImportDERPrivateKeyInfoAndReturnKey(slot, derPKI,
nickname, publicValue,
isPerm, isPrivate, keyUsage,
NULL, wincx);
}
SECStatus
PK11_ImportDERPrivateKeyInfoAndReturnKey(PK11SlotInfo *slot, SECItem *derPKI,
SECItem *nickname, SECItem *publicValue,
PRBool isPerm, PRBool isPrivate, unsigned int keyUsage,
SECKEYPrivateKey **privk, void *wincx)
{
SECKEYPrivateKeyInfo *pki = NULL;
PLArenaPool *temparena = NULL;
SECStatus rv = SECFailure;
temparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (!temparena)
return rv;
pki = PORT_ArenaZNew(temparena, SECKEYPrivateKeyInfo);
if (!pki) {
PORT_FreeArena(temparena, PR_FALSE);
return rv;
}
pki->arena = temparena;
rv = SEC_ASN1DecodeItem(pki->arena, pki, SECKEY_PrivateKeyInfoTemplate,
derPKI);
if (rv != SECSuccess) {
/* If SEC_ASN1DecodeItem fails, we cannot assume anything about the
* validity of the data in pki. The best we can do is free the arena
* and return. */
PORT_FreeArena(temparena, PR_TRUE);
return rv;
}
if (pki->privateKey.data == NULL) {
/* If SEC_ASN1DecodeItems succeeds but SECKEYPrivateKeyInfo.privateKey
* is a zero-length octet string, free the arena and return a failure
* to avoid trying to zero the corresponding SECItem in
* SECKEY_DestroyPrivateKeyInfo(). */
PORT_FreeArena(temparena, PR_TRUE);
PORT_SetError(SEC_ERROR_BAD_KEY);
return SECFailure;
}
rv = PK11_ImportPrivateKeyInfoAndReturnKey(slot, pki, nickname,
publicValue, isPerm, isPrivate,
keyUsage, privk, wincx);
/* this zeroes the key and frees the arena */
SECKEY_DestroyPrivateKeyInfo(pki, PR_TRUE /*freeit*/);
return rv;
}
SECStatus
PK11_ImportAndReturnPrivateKey(PK11SlotInfo *slot, SECKEYRawPrivateKey *lpk,
SECItem *nickname, SECItem *publicValue, PRBool isPerm,
PRBool isPrivate, unsigned int keyUsage, SECKEYPrivateKey **privk,
void *wincx)
{
CK_BBOOL cktrue = CK_TRUE;
CK_BBOOL ckfalse = CK_FALSE;
CK_OBJECT_CLASS keyClass = CKO_PRIVATE_KEY;
CK_KEY_TYPE keyType = CKK_RSA;
CK_OBJECT_HANDLE objectID;
CK_ATTRIBUTE theTemplate[20];
int templateCount = 0;
SECStatus rv = SECFailure;
CK_ATTRIBUTE *attrs;
CK_ATTRIBUTE *signedattr = NULL;
int signedcount = 0;
CK_ATTRIBUTE *ap;
SECItem *ck_id = NULL;
attrs = theTemplate;
PK11_SETATTRS(attrs, CKA_CLASS, &keyClass, sizeof(keyClass));
attrs++;
PK11_SETATTRS(attrs, CKA_KEY_TYPE, &keyType, sizeof(keyType));
attrs++;
PK11_SETATTRS(attrs, CKA_TOKEN, isPerm ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_SENSITIVE, isPrivate ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_PRIVATE, isPrivate ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
switch (lpk->keyType) {
case rsaKey:
keyType = CKK_RSA;
PK11_SETATTRS(attrs, CKA_UNWRAP, (keyUsage & KU_KEY_ENCIPHERMENT) ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_DECRYPT, (keyUsage & KU_DATA_ENCIPHERMENT) ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_SIGN, (keyUsage & KU_DIGITAL_SIGNATURE) ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_SIGN_RECOVER,
(keyUsage & KU_DIGITAL_SIGNATURE) ? &cktrue
: &ckfalse,
sizeof(CK_BBOOL));
attrs++;
ck_id = PK11_MakeIDFromPubKey(&lpk->u.rsa.modulus);
if (ck_id == NULL) {
goto loser;
}
PK11_SETATTRS(attrs, CKA_ID, ck_id->data, ck_id->len);
attrs++;
if (nickname) {
PK11_SETATTRS(attrs, CKA_LABEL, nickname->data, nickname->len);
attrs++;
}
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_MODULUS, lpk->u.rsa.modulus.data,
lpk->u.rsa.modulus.len);
attrs++;
PK11_SETATTRS(attrs, CKA_PUBLIC_EXPONENT,
lpk->u.rsa.publicExponent.data,
lpk->u.rsa.publicExponent.len);
attrs++;
PK11_SETATTRS(attrs, CKA_PRIVATE_EXPONENT,
lpk->u.rsa.privateExponent.data,
lpk->u.rsa.privateExponent.len);
attrs++;
PK11_SETATTRS(attrs, CKA_PRIME_1,
lpk->u.rsa.prime1.data,
lpk->u.rsa.prime1.len);
attrs++;
PK11_SETATTRS(attrs, CKA_PRIME_2,
lpk->u.rsa.prime2.data,
lpk->u.rsa.prime2.len);
attrs++;
PK11_SETATTRS(attrs, CKA_EXPONENT_1,
lpk->u.rsa.exponent1.data,
lpk->u.rsa.exponent1.len);
attrs++;
PK11_SETATTRS(attrs, CKA_EXPONENT_2,
lpk->u.rsa.exponent2.data,
lpk->u.rsa.exponent2.len);
attrs++;
PK11_SETATTRS(attrs, CKA_COEFFICIENT,
lpk->u.rsa.coefficient.data,
lpk->u.rsa.coefficient.len);
attrs++;
break;
case dsaKey:
keyType = CKK_DSA;
/* To make our intenal PKCS #11 module work correctly with
* our database, we need to pass in the public key value for
* this dsa key. We have a netscape only CKA_ value to do this.
* Only send it to internal slots */
if (publicValue == NULL) {
goto loser;
}
if (PK11_IsInternal(slot)) {
PK11_SETATTRS(attrs, CKA_NETSCAPE_DB,
publicValue->data, publicValue->len);
attrs++;
}
PK11_SETATTRS(attrs, CKA_SIGN, &cktrue, sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_SIGN_RECOVER, &cktrue, sizeof(CK_BBOOL));
attrs++;
if (nickname) {
PK11_SETATTRS(attrs, CKA_LABEL, nickname->data, nickname->len);
attrs++;
}
ck_id = PK11_MakeIDFromPubKey(publicValue);
if (ck_id == NULL) {
goto loser;
}
PK11_SETATTRS(attrs, CKA_ID, ck_id->data, ck_id->len);
attrs++;
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_PRIME, lpk->u.dsa.params.prime.data,
lpk->u.dsa.params.prime.len);
attrs++;
PK11_SETATTRS(attrs, CKA_SUBPRIME, lpk->u.dsa.params.subPrime.data,
lpk->u.dsa.params.subPrime.len);
attrs++;
PK11_SETATTRS(attrs, CKA_BASE, lpk->u.dsa.params.base.data,
lpk->u.dsa.params.base.len);
attrs++;
PK11_SETATTRS(attrs, CKA_VALUE, lpk->u.dsa.privateValue.data,
lpk->u.dsa.privateValue.len);
attrs++;
break;
case dhKey:
keyType = CKK_DH;
/* To make our intenal PKCS #11 module work correctly with
* our database, we need to pass in the public key value for
* this dh key. We have a netscape only CKA_ value to do this.
* Only send it to internal slots */
if (PK11_IsInternal(slot)) {
PK11_SETATTRS(attrs, CKA_NETSCAPE_DB,
publicValue->data, publicValue->len);
attrs++;
}
PK11_SETATTRS(attrs, CKA_DERIVE, &cktrue, sizeof(CK_BBOOL));
attrs++;
if (nickname) {
PK11_SETATTRS(attrs, CKA_LABEL, nickname->data, nickname->len);
attrs++;
}
ck_id = PK11_MakeIDFromPubKey(publicValue);
if (ck_id == NULL) {
goto loser;
}
PK11_SETATTRS(attrs, CKA_ID, ck_id->data, ck_id->len);
attrs++;
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_PRIME, lpk->u.dh.prime.data,
lpk->u.dh.prime.len);
attrs++;
PK11_SETATTRS(attrs, CKA_BASE, lpk->u.dh.base.data,
lpk->u.dh.base.len);
attrs++;
PK11_SETATTRS(attrs, CKA_VALUE, lpk->u.dh.privateValue.data,
lpk->u.dh.privateValue.len);
attrs++;
break;
case ecKey:
keyType = CKK_EC;
if (lpk->u.ec.publicValue.len == 0) {
goto loser;
}
if (PK11_IsInternal(slot)) {
PK11_SETATTRS(attrs, CKA_NETSCAPE_DB,
lpk->u.ec.publicValue.data,
lpk->u.ec.publicValue.len);
attrs++;
}
PK11_SETATTRS(attrs, CKA_SIGN, (keyUsage & KU_DIGITAL_SIGNATURE) ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_SIGN_RECOVER,
(keyUsage & KU_DIGITAL_SIGNATURE) ? &cktrue
: &ckfalse,
sizeof(CK_BBOOL));
attrs++;
PK11_SETATTRS(attrs, CKA_DERIVE, (keyUsage & KU_KEY_AGREEMENT) ? &cktrue : &ckfalse,
sizeof(CK_BBOOL));
attrs++;
ck_id = PK11_MakeIDFromPubKey(&lpk->u.ec.publicValue);
if (ck_id == NULL) {
goto loser;
}
PK11_SETATTRS(attrs, CKA_ID, ck_id->data, ck_id->len);
attrs++;
signedattr = attrs;
/* curveOID always is a copy of AlgorithmID.parameters. */
PK11_SETATTRS(attrs, CKA_EC_PARAMS, lpk->u.ec.curveOID.data,
lpk->u.ec.curveOID.len);
attrs++;
PK11_SETATTRS(attrs, CKA_VALUE, lpk->u.ec.privateValue.data,
lpk->u.ec.privateValue.len);
attrs++;
PK11_SETATTRS(attrs, CKA_EC_POINT, lpk->u.ec.publicValue.data,
lpk->u.ec.publicValue.len);
attrs++;
break;
default:
PORT_SetError(SEC_ERROR_BAD_KEY);
goto loser;
}
templateCount = attrs - theTemplate;
PORT_Assert(templateCount <= sizeof(theTemplate) / sizeof(CK_ATTRIBUTE));
PORT_Assert(signedattr != NULL);
signedcount = attrs - signedattr;
for (ap = signedattr; signedcount; ap++, signedcount--) {
pk11_SignedToUnsigned(ap);
}
rv = PK11_CreateNewObject(slot, CK_INVALID_SESSION,
theTemplate, templateCount, isPerm, &objectID);
/* create and return a SECKEYPrivateKey */
if (rv == SECSuccess && privk != NULL) {
*privk = PK11_MakePrivKey(slot, lpk->keyType, !isPerm, objectID, wincx);
if (*privk == NULL) {
rv = SECFailure;
}
}
loser:
if (ck_id) {
SECITEM_ZfreeItem(ck_id, PR_TRUE);
}
return rv;
}
SECStatus
PK11_ImportPrivateKeyInfoAndReturnKey(PK11SlotInfo *slot,
SECKEYPrivateKeyInfo *pki, SECItem *nickname, SECItem *publicValue,
PRBool isPerm, PRBool isPrivate, unsigned int keyUsage,
SECKEYPrivateKey **privk, void *wincx)
{
SECStatus rv = SECFailure;
SECKEYRawPrivateKey *lpk = NULL;
const SEC_ASN1Template *keyTemplate, *paramTemplate;
void *paramDest = NULL;
PLArenaPool *arena = NULL;
arena = PORT_NewArena(2048);
if (!arena) {
return SECFailure;
}
/* need to change this to use RSA/DSA keys */
lpk = (SECKEYRawPrivateKey *)PORT_ArenaZAlloc(arena,
sizeof(SECKEYRawPrivateKey));
if (lpk == NULL) {
goto loser;
}
lpk->arena = arena;
switch (SECOID_GetAlgorithmTag(&pki->algorithm)) {
case SEC_OID_PKCS1_RSA_ENCRYPTION:
prepare_rsa_priv_key_export_for_asn1(lpk);
keyTemplate = SECKEY_RSAPrivateKeyExportTemplate;
paramTemplate = NULL;
paramDest = NULL;
lpk->keyType = rsaKey;
break;
case SEC_OID_ANSIX9_DSA_SIGNATURE:
prepare_dsa_priv_key_export_for_asn1(lpk);
keyTemplate = SECKEY_DSAPrivateKeyExportTemplate;
paramTemplate = SECKEY_PQGParamsTemplate;
paramDest = &(lpk->u.dsa.params);
lpk->keyType = dsaKey;
break;
case SEC_OID_X942_DIFFIE_HELMAN_KEY:
if (!publicValue) {
goto loser;
}
prepare_dh_priv_key_export_for_asn1(lpk);
keyTemplate = SECKEY_DHPrivateKeyExportTemplate;
paramTemplate = NULL;
paramDest = NULL;
lpk->keyType = dhKey;
break;
case SEC_OID_ANSIX962_EC_PUBLIC_KEY:
prepare_ec_priv_key_export_for_asn1(lpk);
keyTemplate = SECKEY_ECPrivateKeyExportTemplate;
paramTemplate = NULL;
paramDest = NULL;
lpk->keyType = ecKey;
break;
default:
keyTemplate = NULL;
paramTemplate = NULL;
paramDest = NULL;
break;
}
if (!keyTemplate) {
goto loser;
}
/* decode the private key and any algorithm parameters */
rv = SEC_QuickDERDecodeItem(arena, lpk, keyTemplate, &pki->privateKey);
if (rv != SECSuccess) {
goto loser;
}
if (lpk->keyType == ecKey) {
/* Convert length in bits to length in bytes. */
lpk->u.ec.publicValue.len >>= 3;
/* Always override curveOID, we're ignoring any given value. */
rv = SECITEM_CopyItem(arena, &lpk->u.ec.curveOID,
&pki->algorithm.parameters);
if (rv != SECSuccess) {
goto loser;
}
}
if (paramDest && paramTemplate) {
rv = SEC_ASN1DecodeItem(arena, paramDest, paramTemplate,
&(pki->algorithm.parameters));
if (rv != SECSuccess) {
goto loser;
}
}
rv = PK11_ImportAndReturnPrivateKey(slot, lpk, nickname, publicValue, isPerm,
isPrivate, keyUsage, privk, wincx);
loser:
if (arena != NULL) {
PORT_FreeArena(arena, PR_TRUE);
}
return rv;
}
SECStatus
PK11_ImportPrivateKeyInfo(PK11SlotInfo *slot, SECKEYPrivateKeyInfo *pki,
SECItem *nickname, SECItem *publicValue, PRBool isPerm,
PRBool isPrivate, unsigned int keyUsage, void *wincx)
{
return PK11_ImportPrivateKeyInfoAndReturnKey(slot, pki, nickname,
publicValue, isPerm, isPrivate, keyUsage, NULL, wincx);
}
SECItem *
PK11_ExportDERPrivateKeyInfo(SECKEYPrivateKey *pk, void *wincx)
{
SECKEYPrivateKeyInfo *pki = PK11_ExportPrivKeyInfo(pk, wincx);
SECItem *derPKI;
if (!pki) {
return NULL;
}
derPKI = SEC_ASN1EncodeItem(NULL, NULL, pki,
SECKEY_PrivateKeyInfoTemplate);
SECKEY_DestroyPrivateKeyInfo(pki, PR_TRUE);
return derPKI;
}
static PRBool
ReadAttribute(SECKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type,
PLArenaPool *arena, SECItem *output)
{
SECStatus rv = PK11_ReadAttribute(key->pkcs11Slot, key->pkcs11ID, type,
arena, output);
return rv == SECSuccess;
}
/*
* The caller is responsible for freeing the return value by passing it to
* SECKEY_DestroyPrivateKeyInfo(..., PR_TRUE).
*/
SECKEYPrivateKeyInfo *
PK11_ExportPrivKeyInfo(SECKEYPrivateKey *pk, void *wincx)
{
/* PrivateKeyInfo version (always zero) */
const unsigned char pkiVersion = 0;
/* RSAPrivateKey version (always zero) */
const unsigned char rsaVersion = 0;
PLArenaPool *arena = NULL;
SECKEYRawPrivateKey rawKey;
SECKEYPrivateKeyInfo *pki;
SECItem *encoded;
SECStatus rv;
if (pk->keyType != rsaKey) {
PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
goto loser;
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (!arena) {
goto loser;
}
memset(&rawKey, 0, sizeof(rawKey));
rawKey.keyType = pk->keyType;
rawKey.u.rsa.version.type = siUnsignedInteger;
rawKey.u.rsa.version.data = (unsigned char *)PORT_ArenaAlloc(arena, 1);
if (!rawKey.u.rsa.version.data) {
goto loser;
}
rawKey.u.rsa.version.data[0] = rsaVersion;
rawKey.u.rsa.version.len = 1;
/* Read the component attributes of the private key */
prepare_rsa_priv_key_export_for_asn1(&rawKey);
if (!ReadAttribute(pk, CKA_MODULUS, arena, &rawKey.u.rsa.modulus) ||
!ReadAttribute(pk, CKA_PUBLIC_EXPONENT, arena,
&rawKey.u.rsa.publicExponent) ||
!ReadAttribute(pk, CKA_PRIVATE_EXPONENT, arena,
&rawKey.u.rsa.privateExponent) ||
!ReadAttribute(pk, CKA_PRIME_1, arena, &rawKey.u.rsa.prime1) ||
!ReadAttribute(pk, CKA_PRIME_2, arena, &rawKey.u.rsa.prime2) ||
!ReadAttribute(pk, CKA_EXPONENT_1, arena,
&rawKey.u.rsa.exponent1) ||
!ReadAttribute(pk, CKA_EXPONENT_2, arena,
&rawKey.u.rsa.exponent2) ||
!ReadAttribute(pk, CKA_COEFFICIENT, arena,
&rawKey.u.rsa.coefficient)) {
goto loser;
}
pki = PORT_ArenaZNew(arena, SECKEYPrivateKeyInfo);
if (!pki) {
goto loser;
}
encoded = SEC_ASN1EncodeItem(arena, &pki->privateKey, &rawKey,
SECKEY_RSAPrivateKeyExportTemplate);
if (!encoded) {
goto loser;
}
rv = SECOID_SetAlgorithmID(arena, &pki->algorithm,
SEC_OID_PKCS1_RSA_ENCRYPTION, NULL);
if (rv != SECSuccess) {
goto loser;
}
pki->version.type = siUnsignedInteger;
pki->version.data = (unsigned char *)PORT_ArenaAlloc(arena, 1);
if (!pki->version.data) {
goto loser;
}
pki->version.data[0] = pkiVersion;
pki->version.len = 1;
pki->arena = arena;
return pki;
loser:
if (arena) {
PORT_FreeArena(arena, PR_TRUE);
}
return NULL;
}
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