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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
#include "sechash.h"
#include "secoidt.h"
#include "secerr.h"
#include "blapi.h"
#include "pk11func.h" /* for the PK11_ calls below. */
static void *
null_hash_new_context(void)
{
return NULL;
}
static void *
null_hash_clone_context(void *v)
{
PORT_Assert(v == NULL);
return NULL;
}
static void
null_hash_begin(void *v)
{
}
static void
null_hash_update(void *v, const unsigned char *input, unsigned int length)
{
}
static void
null_hash_end(void *v, unsigned char *output, unsigned int *outLen,
unsigned int maxOut)
{
*outLen = 0;
}
static void
null_hash_destroy_context(void *v, PRBool b)
{
PORT_Assert(v == NULL);
}
static void *
md2_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_MD2);
}
static void *
md5_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_MD5);
}
static void *
sha1_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA1);
}
static void *
sha224_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA224);
}
static void *
sha256_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA256);
}
static void *
sha384_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA384);
}
static void *
sha512_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA512);
}
static void *
sha3_224_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_224);
}
static void *
sha3_256_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_256);
}
static void *
sha3_384_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_384);
}
static void *
sha3_512_NewContext(void)
{
return (void *)PK11_CreateDigestContext(SEC_OID_SHA3_512);
}
const SECHashObject SECHashObjects[] = {
{ 0,
(void *(*)(void))null_hash_new_context,
(void *(*)(void *))null_hash_clone_context,
(void (*)(void *, PRBool))null_hash_destroy_context,
(void (*)(void *))null_hash_begin,
(void (*)(void *, const unsigned char *, unsigned int))null_hash_update,
(void (*)(void *, unsigned char *, unsigned int *,
unsigned int))null_hash_end,
0,
HASH_AlgNULL },
{ MD2_LENGTH,
(void *(*)(void))md2_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
MD2_BLOCK_LENGTH,
HASH_AlgMD2 },
{ MD5_LENGTH,
(void *(*)(void))md5_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
MD5_BLOCK_LENGTH,
HASH_AlgMD5 },
{ SHA1_LENGTH,
(void *(*)(void))sha1_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA1_BLOCK_LENGTH,
HASH_AlgSHA1 },
{ SHA256_LENGTH,
(void *(*)(void))sha256_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA256_BLOCK_LENGTH,
HASH_AlgSHA256 },
{ SHA384_LENGTH,
(void *(*)(void))sha384_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA384_BLOCK_LENGTH,
HASH_AlgSHA384 },
{ SHA512_LENGTH,
(void *(*)(void))sha512_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA512_BLOCK_LENGTH,
HASH_AlgSHA512 },
{ SHA224_LENGTH,
(void *(*)(void))sha224_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA224_BLOCK_LENGTH,
HASH_AlgSHA224 },
{ SHA3_224_LENGTH,
(void *(*)(void))sha3_224_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA3_224_BLOCK_LENGTH,
HASH_AlgSHA3_224 },
{ SHA3_256_LENGTH,
(void *(*)(void))sha3_256_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA3_256_BLOCK_LENGTH,
HASH_AlgSHA3_256 },
{ SHA3_384_LENGTH,
(void *(*)(void))sha3_384_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA3_384_BLOCK_LENGTH,
HASH_AlgSHA3_384 },
{ SHA3_512_LENGTH,
(void *(*)(void))sha3_512_NewContext,
(void *(*)(void *))PK11_CloneContext,
(void (*)(void *, PRBool))PK11_DestroyContext,
(void (*)(void *))PK11_DigestBegin,
(void (*)(void *, const unsigned char *, unsigned int))PK11_DigestOp,
(void (*)(void *, unsigned char *, unsigned int *, unsigned int))
PK11_DigestFinal,
SHA3_512_BLOCK_LENGTH,
HASH_AlgSHA3_512 },
};
const SECHashObject *
HASH_GetHashObject(HASH_HashType type)
{
return &SECHashObjects[type];
}
HASH_HashType
HASH_GetHashTypeByOidTag(SECOidTag hashOid)
{
HASH_HashType ht = HASH_AlgNULL;
switch (hashOid) {
case SEC_OID_MD2:
ht = HASH_AlgMD2;
break;
case SEC_OID_MD5:
ht = HASH_AlgMD5;
break;
case SEC_OID_SHA1:
ht = HASH_AlgSHA1;
break;
case SEC_OID_SHA224:
ht = HASH_AlgSHA224;
break;
case SEC_OID_SHA256:
ht = HASH_AlgSHA256;
break;
case SEC_OID_SHA384:
ht = HASH_AlgSHA384;
break;
case SEC_OID_SHA512:
ht = HASH_AlgSHA512;
break;
case SEC_OID_SHA3_224:
ht = HASH_AlgSHA3_224;
break;
case SEC_OID_SHA3_256:
ht = HASH_AlgSHA3_256;
break;
case SEC_OID_SHA3_384:
ht = HASH_AlgSHA3_384;
break;
case SEC_OID_SHA3_512:
ht = HASH_AlgSHA3_512;
break;
default:
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
break;
}
return ht;
}
SECOidTag
HASH_GetHashOidTagByHashType(HASH_HashType type)
{
SECOidTag oid = SEC_OID_UNKNOWN;
switch (type) {
case HASH_AlgMD2:
oid = SEC_OID_MD2;
break;
case HASH_AlgMD5:
oid = SEC_OID_MD5;
break;
case HASH_AlgSHA1:
oid = SEC_OID_SHA1;
break;
case HASH_AlgSHA224:
oid = SEC_OID_SHA224;
break;
case HASH_AlgSHA256:
oid = SEC_OID_SHA256;
break;
case HASH_AlgSHA384:
oid = SEC_OID_SHA384;
break;
case HASH_AlgSHA512:
oid = SEC_OID_SHA512;
break;
case HASH_AlgSHA3_224:
oid = SEC_OID_SHA3_224;
break;
case HASH_AlgSHA3_256:
oid = SEC_OID_SHA3_256;
break;
case HASH_AlgSHA3_384:
oid = SEC_OID_SHA3_384;
break;
case HASH_AlgSHA3_512:
oid = SEC_OID_SHA3_512;
break;
default:
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
break;
}
return oid;
}
SECOidTag
HASH_GetHashOidTagByHMACOidTag(SECOidTag hmacOid)
{
SECOidTag hashOid = SEC_OID_UNKNOWN;
switch (hmacOid) {
/* no oid exists for HMAC_MD2 */
/* NSS does not define a oid for HMAC_MD4 */
case SEC_OID_HMAC_SHA1:
hashOid = SEC_OID_SHA1;
break;
case SEC_OID_HMAC_SHA224:
hashOid = SEC_OID_SHA224;
break;
case SEC_OID_HMAC_SHA256:
hashOid = SEC_OID_SHA256;
break;
case SEC_OID_HMAC_SHA384:
hashOid = SEC_OID_SHA384;
break;
case SEC_OID_HMAC_SHA512:
hashOid = SEC_OID_SHA512;
break;
case SEC_OID_HMAC_SHA3_224:
hashOid = SEC_OID_SHA3_224;
break;
case SEC_OID_HMAC_SHA3_256:
hashOid = SEC_OID_SHA3_256;
break;
case SEC_OID_HMAC_SHA3_384:
hashOid = SEC_OID_SHA3_384;
break;
case SEC_OID_HMAC_SHA3_512:
hashOid = SEC_OID_SHA3_512;
break;
default:
hashOid = SEC_OID_UNKNOWN;
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
break;
}
return hashOid;
}
SECOidTag
HASH_GetHMACOidTagByHashOidTag(SECOidTag hashOid)
{
SECOidTag hmacOid = SEC_OID_UNKNOWN;
switch (hashOid) {
/* no oid exists for HMAC_MD2 */
/* NSS does not define a oid for HMAC_MD4 */
case SEC_OID_SHA1:
hmacOid = SEC_OID_HMAC_SHA1;
break;
case SEC_OID_SHA224:
hmacOid = SEC_OID_HMAC_SHA224;
break;
case SEC_OID_SHA256:
hmacOid = SEC_OID_HMAC_SHA256;
break;
case SEC_OID_SHA384:
hmacOid = SEC_OID_HMAC_SHA384;
break;
case SEC_OID_SHA512:
hmacOid = SEC_OID_HMAC_SHA512;
break;
case SEC_OID_SHA3_224:
hmacOid = SEC_OID_HMAC_SHA3_224;
break;
case SEC_OID_SHA3_256:
hmacOid = SEC_OID_HMAC_SHA3_256;
break;
case SEC_OID_SHA3_384:
hmacOid = SEC_OID_HMAC_SHA3_384;
break;
case SEC_OID_SHA3_512:
hmacOid = SEC_OID_HMAC_SHA3_512;
break;
default:
hmacOid = SEC_OID_UNKNOWN;
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
break;
}
return hmacOid;
}
const SECHashObject *
HASH_GetHashObjectByOidTag(SECOidTag hashOid)
{
HASH_HashType ht = HASH_GetHashTypeByOidTag(hashOid);
return (ht == HASH_AlgNULL) ? NULL : &SECHashObjects[ht];
}
/* returns zero for unknown hash OID */
unsigned int
HASH_ResultLenByOidTag(SECOidTag hashOid)
{
const SECHashObject *hashObject = HASH_GetHashObjectByOidTag(hashOid);
unsigned int resultLen = 0;
if (hashObject)
resultLen = hashObject->length;
return resultLen;
}
/* returns zero if hash type invalid. */
unsigned int
HASH_ResultLen(HASH_HashType type)
{
if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
return (0);
}
return (SECHashObjects[type].length);
}
unsigned int
HASH_ResultLenContext(HASHContext *context)
{
return (context->hashobj->length);
}
SECStatus
HASH_HashBuf(HASH_HashType type,
unsigned char *dest,
const unsigned char *src,
PRUint32 src_len)
{
HASHContext *cx;
unsigned int part;
if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
return (SECFailure);
}
cx = HASH_Create(type);
if (cx == NULL) {
return (SECFailure);
}
HASH_Begin(cx);
HASH_Update(cx, src, src_len);
HASH_End(cx, dest, &part, HASH_ResultLenContext(cx));
HASH_Destroy(cx);
return (SECSuccess);
}
HASHContext *
HASH_Create(HASH_HashType type)
{
void *hash_context = NULL;
HASHContext *ret = NULL;
if ((type < HASH_AlgNULL) || (type >= HASH_AlgTOTAL)) {
return (NULL);
}
hash_context = (*SECHashObjects[type].create)();
if (hash_context == NULL) {
goto loser;
}
ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
if (ret == NULL) {
goto loser;
}
ret->hash_context = hash_context;
ret->hashobj = &SECHashObjects[type];
return (ret);
loser:
if (hash_context != NULL) {
(*SECHashObjects[type].destroy)(hash_context, PR_TRUE);
}
return (NULL);
}
HASHContext *
HASH_Clone(HASHContext *context)
{
void *hash_context = NULL;
HASHContext *ret = NULL;
hash_context = (*context->hashobj->clone)(context->hash_context);
if (hash_context == NULL) {
goto loser;
}
ret = (HASHContext *)PORT_Alloc(sizeof(HASHContext));
if (ret == NULL) {
goto loser;
}
ret->hash_context = hash_context;
ret->hashobj = context->hashobj;
return (ret);
loser:
if (hash_context != NULL) {
(*context->hashobj->destroy)(hash_context, PR_TRUE);
}
return (NULL);
}
void
HASH_Destroy(HASHContext *context)
{
(*context->hashobj->destroy)(context->hash_context, PR_TRUE);
PORT_Free(context);
return;
}
void
HASH_Begin(HASHContext *context)
{
(*context->hashobj->begin)(context->hash_context);
return;
}
void
HASH_Update(HASHContext *context,
const unsigned char *src,
unsigned int len)
{
(*context->hashobj->update)(context->hash_context, src, len);
return;
}
void
HASH_End(HASHContext *context,
unsigned char *result,
unsigned int *result_len,
unsigned int max_result_len)
{
(*context->hashobj->end)(context->hash_context, result, result_len,
max_result_len);
return;
}
HASH_HashType
HASH_GetType(HASHContext *context)
{
return (context->hashobj->type);
}