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mozilla-nss/nss-fips-tls-allow-md5-prf.patch

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# HG changeset patch
# User Hans Petter Jansson <hpj@cl.no>
# Date 1574240734 -3600
# Wed Nov 20 10:05:34 2019 +0100
# Node ID 0efca22bbafd7575b20461f255c46157c9321822
# Parent 3a2cb65dc157344cdad19e8e16e9c33e36f82d96
[PATCH] 30
From ca3b695ac461eccf4ed97e1b3fe0a311c80a792f Mon Sep 17 00:00:00 2001
---
nss/lib/freebl/md5.c | 67 ++++++++++++++++++++++++++------------
nss/lib/freebl/rawhash.c | 37 +++++++++++++++++++++
nss/lib/freebl/tlsprfalg.c | 5 ++-
nss/lib/softoken/pkcs11c.c | 4 +--
4 files changed, 90 insertions(+), 23 deletions(-)
Index: nss/lib/freebl/md5.c
===================================================================
--- nss.orig/lib/freebl/md5.c
+++ nss/lib/freebl/md5.c
@@ -217,13 +217,11 @@ MD5_HashBuf(unsigned char *dest, const u
}
MD5Context *
-MD5_NewContext(void)
+MD5_NewContext_NonFIPS(void)
{
/* no need to ZAlloc, MD5_Begin will init the context */
MD5Context *cx;
- IN_FIPS_RETURN(NULL);
-
cx = (MD5Context *)PORT_Alloc(sizeof(MD5Context));
if (cx == NULL) {
PORT_SetError(PR_OUT_OF_MEMORY_ERROR);
@@ -232,6 +230,13 @@ MD5_NewContext(void)
return cx;
}
+MD5Context *
+MD5_NewContext(void)
+{
+ IN_FIPS_RETURN(NULL);
+ return MD5_NewContext_NonFIPS();
+}
+
void
MD5_DestroyContext(MD5Context *cx, PRBool freeit)
{
@@ -243,10 +248,8 @@ MD5_DestroyContext(MD5Context *cx, PRBoo
}
void
-MD5_Begin(MD5Context *cx)
+MD5_Begin_NonFIPS(MD5Context *cx)
{
- IN_FIPS_RETURN();
-
cx->lsbInput = 0;
cx->msbInput = 0;
/* memset(cx->inBuf, 0, sizeof(cx->inBuf)); */
@@ -256,6 +259,13 @@ MD5_Begin(MD5Context *cx)
cx->cv[3] = CV0_4;
}
+void
+MD5_Begin(MD5Context *cx)
+{
+ IN_FIPS_RETURN();
+ MD5_Begin_NonFIPS(cx);
+}
+
#define cls(i32, s) (tmp = i32, tmp << s | tmp >> (32 - s))
#if defined(SOLARIS) || defined(HPUX)
@@ -431,14 +441,12 @@ md5_compress(MD5Context *cx, const PRUin
}
void
-MD5_Update(MD5Context *cx, const unsigned char *input, unsigned int inputLen)
+MD5_Update_NonFIPS(MD5Context *cx, const unsigned char *input, unsigned int inputLen)
{
PRUint32 bytesToConsume;
PRUint32 inBufIndex = cx->lsbInput & 63;
const PRUint32 *wBuf;
- IN_FIPS_RETURN();
-
/* Add the number of input bytes to the 64-bit input counter. */
addto64(cx->msbInput, cx->lsbInput, inputLen);
if (inBufIndex) {
@@ -487,6 +495,13 @@ MD5_Update(MD5Context *cx, const unsigne
memcpy(cx->inBuf, input, inputLen);
}
+void
+MD5_Update(MD5Context *cx, const unsigned char *input, unsigned int inputLen)
+{
+ IN_FIPS_RETURN();
+ MD5_Update_NonFIPS(cx, input, inputLen);
+}
+
static const unsigned char padbytes[] = {
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -503,8 +518,8 @@ static const unsigned char padbytes[] =
};
void
-MD5_End(MD5Context *cx, unsigned char *digest,
- unsigned int *digestLen, unsigned int maxDigestLen)
+MD5_End_NonFIPS(MD5Context *cx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
{
#ifndef IS_LITTLE_ENDIAN
PRUint32 tmp;
@@ -512,8 +527,6 @@ MD5_End(MD5Context *cx, unsigned char *d
PRUint32 lowInput, highInput;
PRUint32 inBufIndex = cx->lsbInput & 63;
- IN_FIPS_RETURN();
-
if (maxDigestLen < MD5_HASH_LEN) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return;
@@ -525,10 +538,10 @@ MD5_End(MD5Context *cx, unsigned char *d
lowInput <<= 3;
if (inBufIndex < MD5_END_BUFFER) {
- MD5_Update(cx, padbytes, MD5_END_BUFFER - inBufIndex);
+ MD5_Update_NonFIPS(cx, padbytes, MD5_END_BUFFER - inBufIndex);
} else {
- MD5_Update(cx, padbytes,
- MD5_END_BUFFER + MD5_BUFFER_SIZE - inBufIndex);
+ MD5_Update_NonFIPS(cx, padbytes,
+ MD5_END_BUFFER + MD5_BUFFER_SIZE - inBufIndex);
}
/* Store the number of bytes input (before padding) in final 64 bits. */
@@ -554,16 +567,22 @@ MD5_End(MD5Context *cx, unsigned char *d
}
void
-MD5_EndRaw(MD5Context *cx, unsigned char *digest,
- unsigned int *digestLen, unsigned int maxDigestLen)
+MD5_End(MD5Context *cx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ IN_FIPS_RETURN();
+ MD5_End_NonFIPS(cx, digest, digestLen, maxDigestLen);
+}
+
+void
+MD5_EndRaw_NonFIPS(MD5Context *cx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
{
#ifndef IS_LITTLE_ENDIAN
PRUint32 tmp;
#endif
PRUint32 cv[4];
- IN_FIPS_RETURN();
-
if (maxDigestLen < MD5_HASH_LEN) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return;
@@ -581,6 +600,14 @@ MD5_EndRaw(MD5Context *cx, unsigned char
*digestLen = MD5_HASH_LEN;
}
+void
+MD5_EndRaw(MD5Context *cx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen)
+{
+ IN_FIPS_RETURN();
+ MD5_EndRaw_NonFIPS(cx, digest, digestLen, maxDigestLen);
+}
+
unsigned int
MD5_FlattenSize(MD5Context *cx)
{
Index: nss/lib/freebl/rawhash.c
===================================================================
--- nss.orig/lib/freebl/rawhash.c
+++ nss/lib/freebl/rawhash.c
@@ -154,3 +154,40 @@ HASH_GetRawHashObject(HASH_HashType hash
}
return &SECRawHashObjects[hashType];
}
+
+/* Defined in md5.c */
+
+MD5Context *MD5_NewContext_NonFIPS(void);
+void MD5_Begin_NonFIPS(MD5Context *cx);
+void MD5_Update_NonFIPS(MD5Context *cx, const unsigned char *input, unsigned int inputLen);
+void MD5_End_NonFIPS(MD5Context *cx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen);
+void MD5_EndRaw_NonFIPS(MD5Context *cx, unsigned char *digest,
+ unsigned int *digestLen, unsigned int maxDigestLen);
+
+static const SECHashObject SECRawHashObjectMD5NonFIPS = {
+ MD5_LENGTH,
+ (void *(*)(void))MD5_NewContext_NonFIPS,
+ (void *(*)(void *))null_hash_clone_context,
+ (void (*)(void *, PRBool))MD5_DestroyContext,
+ (void (*)(void *))MD5_Begin_NonFIPS,
+ (void (*)(void *, const unsigned char *, unsigned int))MD5_Update_NonFIPS,
+ (void (*)(void *, unsigned char *, unsigned int *, unsigned int))MD5_End_NonFIPS,
+ MD5_BLOCK_LENGTH,
+ HASH_AlgMD5,
+ (void (*)(void *, unsigned char *, unsigned int *, unsigned int))MD5_EndRaw_NonFIPS
+};
+
+const SECHashObject *
+HASH_GetRawHashObjectNonFIPS(HASH_HashType hashType)
+{
+ if (hashType <= HASH_AlgNULL || hashType >= HASH_AlgTOTAL) {
+ PORT_SetError(SEC_ERROR_INVALID_ARGS);
+ return NULL;
+ }
+
+ if (hashType == HASH_AlgMD5)
+ return &SECRawHashObjectMD5NonFIPS;
+
+ return &SECRawHashObjects[hashType];
+}
Index: nss/lib/freebl/tlsprfalg.c
===================================================================
--- nss.orig/lib/freebl/tlsprfalg.c
+++ nss/lib/freebl/tlsprfalg.c
@@ -12,6 +12,9 @@
#include "hasht.h"
#include "alghmac.h"
+/* To get valid MD5 object in FIPS mode */
+const SECHashObject *HASH_GetRawHashObjectNonFIPS(HASH_HashType hashType);
+
#define PHASH_STATE_MAX_LEN HASH_LENGTH_MAX
/* TLS P_hash function */
@@ -27,7 +30,7 @@ TLS_P_hash(HASH_HashType hashType, const
SECStatus status;
HMACContext *cx;
SECStatus rv = SECFailure;
- const SECHashObject *hashObj = HASH_GetRawHashObject(hashType);
+ const SECHashObject *hashObj = HASH_GetRawHashObjectNonFIPS(hashType);
PORT_Assert((secret != NULL) && (secret->data != NULL || !secret->len));
PORT_Assert((seed != NULL) && (seed->data != NULL));
Index: nss/lib/softoken/pkcs11c.c
===================================================================
--- nss.orig/lib/softoken/pkcs11c.c
+++ nss/lib/softoken/pkcs11c.c
@@ -7158,7 +7158,7 @@ NSC_DeriveKey(CK_SESSION_HANDLE hSession
SFTKAttribute *att2 = NULL;
unsigned char *buf;
SHA1Context *sha;
- MD5Context *md5;
+ MD5Context *md5 = NULL;
MD2Context *md2;
CK_ULONG macSize;
CK_ULONG tmpKeySize;
@@ -7698,7 +7698,7 @@ NSC_DeriveKey(CK_SESSION_HANDLE hSession
}
sftk_FreeAttribute(att2);
md5 = MD5_NewContext();
- if (md5 == NULL) {
+ if (md5 == NULL && !isTLS) {
crv = CKR_HOST_MEMORY;
break;
}
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