mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-11 02:10:17 +01:00
5f6fb75167
bug753136, bug999893, bug1011090, bug1009785, bug1009794, bug421391, bug1011229, bug1013088, bug996237, bug970539, bug1016567, bug485732, bug334013, bug959864, bug1016836, bug1016811, bug1018536, bug996250, bug1009227, bug963150, bug1007126, bug952572, bug1021102, bug1020395, bug902171
497 lines
12 KiB
C
497 lines
12 KiB
C
/*
|
|
* Signature stuff.
|
|
*
|
|
* 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 "cryptohi.h"
|
|
#include "sechash.h"
|
|
#include "secder.h"
|
|
#include "keyhi.h"
|
|
#include "secoid.h"
|
|
#include "secdig.h"
|
|
#include "pk11func.h"
|
|
#include "secerr.h"
|
|
#include "keyi.h"
|
|
|
|
struct SGNContextStr {
|
|
SECOidTag signalg;
|
|
SECOidTag hashalg;
|
|
void *hashcx;
|
|
const SECHashObject *hashobj;
|
|
SECKEYPrivateKey *key;
|
|
};
|
|
|
|
SGNContext *
|
|
SGN_NewContext(SECOidTag alg, SECKEYPrivateKey *key)
|
|
{
|
|
SGNContext *cx;
|
|
SECOidTag hashalg, signalg;
|
|
KeyType keyType;
|
|
SECStatus rv;
|
|
|
|
/* OK, map a PKCS #7 hash and encrypt algorithm into
|
|
* a standard hashing algorithm. Why did we pass in the whole
|
|
* PKCS #7 algTag if we were just going to change here you might
|
|
* ask. Well the answer is for some cards we may have to do the
|
|
* hashing on card. It may not support CKM_RSA_PKCS sign algorithm,
|
|
* it may just support CKM_SHA1_RSA_PKCS and/or CKM_MD5_RSA_PKCS.
|
|
*/
|
|
/* we have a private key, not a public key, so don't pass it in */
|
|
rv = sec_DecodeSigAlg(NULL, alg, NULL, &signalg, &hashalg);
|
|
if (rv != SECSuccess) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
|
|
return 0;
|
|
}
|
|
keyType = seckey_GetKeyType(signalg);
|
|
|
|
/* verify our key type */
|
|
if (key->keyType != keyType &&
|
|
!((key->keyType == dsaKey) && (keyType == fortezzaKey)) ) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
|
|
return 0;
|
|
}
|
|
|
|
cx = (SGNContext*) PORT_ZAlloc(sizeof(SGNContext));
|
|
if (cx) {
|
|
cx->hashalg = hashalg;
|
|
cx->signalg = signalg;
|
|
cx->key = key;
|
|
}
|
|
return cx;
|
|
}
|
|
|
|
void
|
|
SGN_DestroyContext(SGNContext *cx, PRBool freeit)
|
|
{
|
|
if (cx) {
|
|
if (cx->hashcx != NULL) {
|
|
(*cx->hashobj->destroy)(cx->hashcx, PR_TRUE);
|
|
cx->hashcx = NULL;
|
|
}
|
|
if (freeit) {
|
|
PORT_ZFree(cx, sizeof(SGNContext));
|
|
}
|
|
}
|
|
}
|
|
|
|
SECStatus
|
|
SGN_Begin(SGNContext *cx)
|
|
{
|
|
if (cx->hashcx != NULL) {
|
|
(*cx->hashobj->destroy)(cx->hashcx, PR_TRUE);
|
|
cx->hashcx = NULL;
|
|
}
|
|
|
|
cx->hashobj = HASH_GetHashObjectByOidTag(cx->hashalg);
|
|
if (!cx->hashobj)
|
|
return SECFailure; /* error code is already set */
|
|
|
|
cx->hashcx = (*cx->hashobj->create)();
|
|
if (cx->hashcx == NULL)
|
|
return SECFailure;
|
|
|
|
(*cx->hashobj->begin)(cx->hashcx);
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus
|
|
SGN_Update(SGNContext *cx, const unsigned char *input, unsigned int inputLen)
|
|
{
|
|
if (cx->hashcx == NULL) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ARGS);
|
|
return SECFailure;
|
|
}
|
|
(*cx->hashobj->update)(cx->hashcx, input, inputLen);
|
|
return SECSuccess;
|
|
}
|
|
|
|
/* XXX Old template; want to expunge it eventually. */
|
|
static DERTemplate SECAlgorithmIDTemplate[] = {
|
|
{ DER_SEQUENCE,
|
|
0, NULL, sizeof(SECAlgorithmID) },
|
|
{ DER_OBJECT_ID,
|
|
offsetof(SECAlgorithmID,algorithm), },
|
|
{ DER_OPTIONAL | DER_ANY,
|
|
offsetof(SECAlgorithmID,parameters), },
|
|
{ 0, }
|
|
};
|
|
|
|
/*
|
|
* XXX OLD Template. Once all uses have been switched over to new one,
|
|
* remove this.
|
|
*/
|
|
static DERTemplate SGNDigestInfoTemplate[] = {
|
|
{ DER_SEQUENCE,
|
|
0, NULL, sizeof(SGNDigestInfo) },
|
|
{ DER_INLINE,
|
|
offsetof(SGNDigestInfo,digestAlgorithm),
|
|
SECAlgorithmIDTemplate, },
|
|
{ DER_OCTET_STRING,
|
|
offsetof(SGNDigestInfo,digest), },
|
|
{ 0, }
|
|
};
|
|
|
|
SECStatus
|
|
SGN_End(SGNContext *cx, SECItem *result)
|
|
{
|
|
unsigned char digest[HASH_LENGTH_MAX];
|
|
unsigned part1;
|
|
int signatureLen;
|
|
SECStatus rv;
|
|
SECItem digder, sigitem;
|
|
PLArenaPool *arena = 0;
|
|
SECKEYPrivateKey *privKey = cx->key;
|
|
SGNDigestInfo *di = 0;
|
|
|
|
result->data = 0;
|
|
digder.data = 0;
|
|
|
|
/* Finish up digest function */
|
|
if (cx->hashcx == NULL) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ARGS);
|
|
return SECFailure;
|
|
}
|
|
(*cx->hashobj->end)(cx->hashcx, digest, &part1, sizeof(digest));
|
|
|
|
|
|
if (privKey->keyType == rsaKey) {
|
|
|
|
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
|
|
if ( !arena ) {
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
|
|
/* Construct digest info */
|
|
di = SGN_CreateDigestInfo(cx->hashalg, digest, part1);
|
|
if (!di) {
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
|
|
/* Der encode the digest as a DigestInfo */
|
|
rv = DER_Encode(arena, &digder, SGNDigestInfoTemplate,
|
|
di);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
} else {
|
|
digder.data = digest;
|
|
digder.len = part1;
|
|
}
|
|
|
|
/*
|
|
** Encrypt signature after constructing appropriate PKCS#1 signature
|
|
** block
|
|
*/
|
|
signatureLen = PK11_SignatureLen(privKey);
|
|
if (signatureLen <= 0) {
|
|
PORT_SetError(SEC_ERROR_INVALID_KEY);
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
sigitem.len = signatureLen;
|
|
sigitem.data = (unsigned char*) PORT_Alloc(signatureLen);
|
|
|
|
if (sigitem.data == NULL) {
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
|
|
rv = PK11_Sign(privKey, &sigitem, &digder);
|
|
if (rv != SECSuccess) {
|
|
PORT_Free(sigitem.data);
|
|
sigitem.data = NULL;
|
|
goto loser;
|
|
}
|
|
|
|
if ((cx->signalg == SEC_OID_ANSIX9_DSA_SIGNATURE) ||
|
|
(cx->signalg == SEC_OID_ANSIX962_EC_PUBLIC_KEY)) {
|
|
/* DSAU_EncodeDerSigWithLen works for DSA and ECDSA */
|
|
rv = DSAU_EncodeDerSigWithLen(result, &sigitem, sigitem.len);
|
|
PORT_Free(sigitem.data);
|
|
if (rv != SECSuccess)
|
|
goto loser;
|
|
} else {
|
|
result->len = sigitem.len;
|
|
result->data = sigitem.data;
|
|
}
|
|
|
|
loser:
|
|
SGN_DestroyDigestInfo(di);
|
|
if (arena != NULL) {
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
/*
|
|
** Sign a block of data returning in result a bunch of bytes that are the
|
|
** signature. Returns zero on success, an error code on failure.
|
|
*/
|
|
SECStatus
|
|
SEC_SignData(SECItem *res, const unsigned char *buf, int len,
|
|
SECKEYPrivateKey *pk, SECOidTag algid)
|
|
{
|
|
SECStatus rv;
|
|
SGNContext *sgn;
|
|
|
|
|
|
sgn = SGN_NewContext(algid, pk);
|
|
|
|
if (sgn == NULL)
|
|
return SECFailure;
|
|
|
|
rv = SGN_Begin(sgn);
|
|
if (rv != SECSuccess)
|
|
goto loser;
|
|
|
|
rv = SGN_Update(sgn, buf, len);
|
|
if (rv != SECSuccess)
|
|
goto loser;
|
|
|
|
rv = SGN_End(sgn, res);
|
|
|
|
loser:
|
|
SGN_DestroyContext(sgn, PR_TRUE);
|
|
return rv;
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
DERTemplate CERTSignedDataTemplate[] =
|
|
{
|
|
{ DER_SEQUENCE,
|
|
0, NULL, sizeof(CERTSignedData) },
|
|
{ DER_ANY,
|
|
offsetof(CERTSignedData,data), },
|
|
{ DER_INLINE,
|
|
offsetof(CERTSignedData,signatureAlgorithm),
|
|
SECAlgorithmIDTemplate, },
|
|
{ DER_BIT_STRING,
|
|
offsetof(CERTSignedData,signature), },
|
|
{ 0, }
|
|
};
|
|
|
|
SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate)
|
|
|
|
const SEC_ASN1Template CERT_SignedDataTemplate[] =
|
|
{
|
|
{ SEC_ASN1_SEQUENCE,
|
|
0, NULL, sizeof(CERTSignedData) },
|
|
{ SEC_ASN1_ANY,
|
|
offsetof(CERTSignedData,data), },
|
|
{ SEC_ASN1_INLINE | SEC_ASN1_XTRN,
|
|
offsetof(CERTSignedData,signatureAlgorithm),
|
|
SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate), },
|
|
{ SEC_ASN1_BIT_STRING,
|
|
offsetof(CERTSignedData,signature), },
|
|
{ 0, }
|
|
};
|
|
|
|
SEC_ASN1_CHOOSER_IMPLEMENT(CERT_SignedDataTemplate)
|
|
|
|
|
|
SECStatus
|
|
SEC_DerSignData(PLArenaPool *arena, SECItem *result,
|
|
const unsigned char *buf, int len, SECKEYPrivateKey *pk,
|
|
SECOidTag algID)
|
|
{
|
|
SECItem it;
|
|
CERTSignedData sd;
|
|
SECStatus rv;
|
|
|
|
it.data = 0;
|
|
|
|
/* XXX We should probably have some asserts here to make sure the key type
|
|
* and algID match
|
|
*/
|
|
|
|
if (algID == SEC_OID_UNKNOWN) {
|
|
switch(pk->keyType) {
|
|
case rsaKey:
|
|
algID = SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION;
|
|
break;
|
|
case dsaKey:
|
|
/* get Signature length (= q_len*2) and work from there */
|
|
switch (PK11_SignatureLen(pk)) {
|
|
case 448:
|
|
algID = SEC_OID_NIST_DSA_SIGNATURE_WITH_SHA224_DIGEST;
|
|
break;
|
|
case 512:
|
|
algID = SEC_OID_NIST_DSA_SIGNATURE_WITH_SHA256_DIGEST;
|
|
break;
|
|
default:
|
|
algID = SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST;
|
|
break;
|
|
}
|
|
break;
|
|
case ecKey:
|
|
algID = SEC_OID_ANSIX962_ECDSA_SIGNATURE_WITH_SHA1_DIGEST;
|
|
break;
|
|
default:
|
|
PORT_SetError(SEC_ERROR_INVALID_KEY);
|
|
return SECFailure;
|
|
}
|
|
}
|
|
|
|
/* Sign input buffer */
|
|
rv = SEC_SignData(&it, buf, len, pk, algID);
|
|
if (rv) goto loser;
|
|
|
|
/* Fill out SignedData object */
|
|
PORT_Memset(&sd, 0, sizeof(sd));
|
|
sd.data.data = (unsigned char*) buf;
|
|
sd.data.len = len;
|
|
sd.signature.data = it.data;
|
|
sd.signature.len = it.len << 3; /* convert to bit string */
|
|
rv = SECOID_SetAlgorithmID(arena, &sd.signatureAlgorithm, algID, 0);
|
|
if (rv) goto loser;
|
|
|
|
/* DER encode the signed data object */
|
|
rv = DER_Encode(arena, result, CERTSignedDataTemplate, &sd);
|
|
/* FALL THROUGH */
|
|
|
|
loser:
|
|
PORT_Free(it.data);
|
|
return rv;
|
|
}
|
|
|
|
SECStatus
|
|
SGN_Digest(SECKEYPrivateKey *privKey,
|
|
SECOidTag algtag, SECItem *result, SECItem *digest)
|
|
{
|
|
int modulusLen;
|
|
SECStatus rv;
|
|
SECItem digder;
|
|
PLArenaPool *arena = 0;
|
|
SGNDigestInfo *di = 0;
|
|
|
|
|
|
result->data = 0;
|
|
|
|
if (privKey->keyType == rsaKey) {
|
|
|
|
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
|
|
if ( !arena ) {
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
|
|
/* Construct digest info */
|
|
di = SGN_CreateDigestInfo(algtag, digest->data, digest->len);
|
|
if (!di) {
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
|
|
/* Der encode the digest as a DigestInfo */
|
|
rv = DER_Encode(arena, &digder, SGNDigestInfoTemplate,
|
|
di);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
} else {
|
|
digder.data = digest->data;
|
|
digder.len = digest->len;
|
|
}
|
|
|
|
/*
|
|
** Encrypt signature after constructing appropriate PKCS#1 signature
|
|
** block
|
|
*/
|
|
modulusLen = PK11_SignatureLen(privKey);
|
|
if (modulusLen <= 0) {
|
|
PORT_SetError(SEC_ERROR_INVALID_KEY);
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
result->len = modulusLen;
|
|
result->data = (unsigned char*) PORT_Alloc(modulusLen);
|
|
|
|
if (result->data == NULL) {
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
|
|
rv = PK11_Sign(privKey, result, &digder);
|
|
if (rv != SECSuccess) {
|
|
PORT_Free(result->data);
|
|
result->data = NULL;
|
|
}
|
|
|
|
loser:
|
|
SGN_DestroyDigestInfo(di);
|
|
if (arena != NULL) {
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
SECOidTag
|
|
SEC_GetSignatureAlgorithmOidTag(KeyType keyType, SECOidTag hashAlgTag)
|
|
{
|
|
SECOidTag sigTag = SEC_OID_UNKNOWN;
|
|
|
|
switch (keyType) {
|
|
case rsaKey:
|
|
switch (hashAlgTag) {
|
|
case SEC_OID_MD2:
|
|
sigTag = SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION; break;
|
|
case SEC_OID_MD5:
|
|
sigTag = SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION; break;
|
|
case SEC_OID_UNKNOWN: /* default for RSA if not specified */
|
|
case SEC_OID_SHA1:
|
|
sigTag = SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION; break;
|
|
case SEC_OID_SHA224:
|
|
sigTag = SEC_OID_PKCS1_SHA224_WITH_RSA_ENCRYPTION; break;
|
|
case SEC_OID_SHA256:
|
|
sigTag = SEC_OID_PKCS1_SHA256_WITH_RSA_ENCRYPTION; break;
|
|
case SEC_OID_SHA384:
|
|
sigTag = SEC_OID_PKCS1_SHA384_WITH_RSA_ENCRYPTION; break;
|
|
case SEC_OID_SHA512:
|
|
sigTag = SEC_OID_PKCS1_SHA512_WITH_RSA_ENCRYPTION; break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case dsaKey:
|
|
switch (hashAlgTag) {
|
|
case SEC_OID_UNKNOWN: /* default for DSA if not specified */
|
|
case SEC_OID_SHA1:
|
|
sigTag = SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST; break;
|
|
case SEC_OID_SHA224:
|
|
sigTag = SEC_OID_NIST_DSA_SIGNATURE_WITH_SHA224_DIGEST; break;
|
|
case SEC_OID_SHA256:
|
|
sigTag = SEC_OID_NIST_DSA_SIGNATURE_WITH_SHA256_DIGEST; break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case ecKey:
|
|
switch (hashAlgTag) {
|
|
case SEC_OID_UNKNOWN: /* default for ECDSA if not specified */
|
|
case SEC_OID_SHA1:
|
|
sigTag = SEC_OID_ANSIX962_ECDSA_SHA1_SIGNATURE; break;
|
|
case SEC_OID_SHA224:
|
|
sigTag = SEC_OID_ANSIX962_ECDSA_SHA224_SIGNATURE; break;
|
|
case SEC_OID_SHA256:
|
|
sigTag = SEC_OID_ANSIX962_ECDSA_SHA256_SIGNATURE; break;
|
|
case SEC_OID_SHA384:
|
|
sigTag = SEC_OID_ANSIX962_ECDSA_SHA384_SIGNATURE; break;
|
|
case SEC_OID_SHA512:
|
|
sigTag = SEC_OID_ANSIX962_ECDSA_SHA512_SIGNATURE; break;
|
|
default:
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return sigTag;
|
|
}
|