MSVSphere Packaging Team
2 months ago
parent
37d5eadaa8
commit
c95be13636
GPG Key ID:
B2B0B9F29E528FE8
@ -0,0 +1,50 @@
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diff --git a/dom/media/webrtc/transport/nricectx.cpp b/dom/media/webrtc/transport/nricectx.cpp
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--- a/dom/media/webrtc/transport/nricectx.cpp
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+++ b/dom/media/webrtc/transport/nricectx.cpp
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@@ -124,23 +124,30 @@
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static int nr_crypto_nss_hmac(UCHAR* key, size_t keyl, UCHAR* buf, size_t bufl,
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UCHAR* result) {
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CK_MECHANISM_TYPE mech = CKM_SHA_1_HMAC;
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PK11SlotInfo* slot = nullptr;
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MOZ_ASSERT(keyl > 0);
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- SECItem keyi = {siBuffer, key, static_cast<unsigned int>(keyl)};
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+ CK_KEY_DERIVATION_STRING_DATA idkey = {key, keyl};
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+ SECItem keyi = {siBuffer, (unsigned char*)&idkey, sizeof(idkey)};
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+ PK11SymKey* tmpKey = nullptr;
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PK11SymKey* skey = nullptr;
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PK11Context* hmac_ctx = nullptr;
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SECStatus status;
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unsigned int hmac_len;
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SECItem param = {siBuffer, nullptr, 0};
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int err = R_INTERNAL;
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slot = PK11_GetInternalKeySlot();
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if (!slot) goto abort;
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- skey = PK11_ImportSymKey(slot, mech, PK11_OriginUnwrap, CKA_SIGN, &keyi,
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- nullptr);
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+ // HMAC is used for hash calculation only so use derive instead of import
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+ // to be FIPS compliant.
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+ tmpKey = PK11_KeyGen(slot, mech, NULL, keyl, nullptr);
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+ if (!tmpKey) goto abort;
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+
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+ skey = PK11_Derive(tmpKey, CKM_CONCATENATE_DATA_AND_BASE, &keyi, mech,
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+ CKA_SIGN, keyl);
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if (!skey) goto abort;
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hmac_ctx = PK11_CreateContextBySymKey(mech, CKA_SIGN, skey, ¶m);
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if (!hmac_ctx) goto abort;
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@@ -157,10 +164,11 @@
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err = 0;
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abort:
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if (hmac_ctx) PK11_DestroyContext(hmac_ctx, PR_TRUE);
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+ if (tmpKey) PK11_FreeSymKey(tmpKey);
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if (skey) PK11_FreeSymKey(skey);
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if (slot) PK11_FreeSlot(slot);
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return err;
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}
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@ -0,0 +1,224 @@
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diff --git a/third_party/libsrtp/src/crypto/cipher/aes_gcm_nss.c b/third_party/libsrtp/src/crypto/cipher/aes_gcm_nss.c
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--- a/third_party/libsrtp/src/crypto/cipher/aes_gcm_nss.c
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+++ b/third_party/libsrtp/src/crypto/cipher/aes_gcm_nss.c
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@@ -54,10 +54,11 @@
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#include "crypto_types.h"
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#include "cipher_types.h"
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#include "cipher_test_cases.h"
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#include <secerr.h>
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#include <nspr.h>
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+#include "nss_fips.h"
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srtp_debug_module_t srtp_mod_aes_gcm = {
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0, /* debugging is off by default */
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"aes gcm nss" /* printable module name */
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};
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@@ -211,12 +212,17 @@
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if (!slot) {
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return (srtp_err_status_cipher_fail);
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}
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SECItem key_item = { siBuffer, (unsigned char *)key, c->key_size };
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- c->key = PK11_ImportSymKey(slot, CKM_AES_GCM, PK11_OriginUnwrap,
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- CKA_ENCRYPT, &key_item, NULL);
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+ if (PK11_IsFIPS()) {
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+ c->key = PK11_ImportSymKey_FIPS(slot, CKM_AES_GCM, PK11_OriginUnwrap,
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+ CKA_ENCRYPT, &key_item, NULL);
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+ } else {
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+ c->key = PK11_ImportSymKey(slot, CKM_AES_GCM, PK11_OriginUnwrap,
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+ CKA_ENCRYPT, &key_item, NULL);
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+ }
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PK11_FreeSlot(slot);
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if (!c->key) {
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return (srtp_err_status_cipher_fail);
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}
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diff --git a/third_party/libsrtp/src/crypto/cipher/aes_icm_nss.c b/third_party/libsrtp/src/crypto/cipher/aes_icm_nss.c
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--- a/third_party/libsrtp/src/crypto/cipher/aes_icm_nss.c
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+++ b/third_party/libsrtp/src/crypto/cipher/aes_icm_nss.c
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@@ -51,10 +51,11 @@
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#include "crypto_types.h"
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#include "err.h" /* for srtp_debug */
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#include "alloc.h"
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#include "cipher_types.h"
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#include "cipher_test_cases.h"
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+#include "nss_fips.h"
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srtp_debug_module_t srtp_mod_aes_icm = {
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0, /* debugging is off by default */
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"aes icm nss" /* printable module name */
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};
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@@ -252,12 +253,17 @@
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if (!slot) {
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return srtp_err_status_bad_param;
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}
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SECItem keyItem = { siBuffer, (unsigned char *)key, c->key_size };
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- c->key = PK11_ImportSymKey(slot, CKM_AES_CTR, PK11_OriginUnwrap,
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- CKA_ENCRYPT, &keyItem, NULL);
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+ if (PK11_IsFIPS()) {
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+ c->key = PK11_ImportSymKey_FIPS(slot, CKM_AES_CTR, PK11_OriginUnwrap,
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+ CKA_ENCRYPT, &keyItem, NULL);
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+ } else {
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+ c->key = PK11_ImportSymKey(slot, CKM_AES_CTR, PK11_OriginUnwrap,
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+ CKA_ENCRYPT, &keyItem, NULL);
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+ }
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PK11_FreeSlot(slot);
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if (!c->key) {
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return srtp_err_status_cipher_fail;
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}
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diff --git a/third_party/libsrtp/src/crypto/include/nss_fips.h b/third_party/libsrtp/src/crypto/include/nss_fips.h
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new file mode 100644
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--- /dev/null
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+++ b/third_party/libsrtp/src/crypto/include/nss_fips.h
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@@ -0,0 +1,148 @@
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+/*
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+ * Copyright (c) 2024, Red Hat, Inc.
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions
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+ * are met:
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+ *
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+ * Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ *
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+ * Redistributions in binary form must reproduce the above
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+ * copyright notice, this list of conditions and the following
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+ * disclaimer in the documentation and/or other materials provided
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+ * with the distribution.
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+ *
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+ * Neither the name of the Red Hat, Inc. nor the names of its
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+ * contributors may be used to endorse or promote products derived
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+ * from this software without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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+ * OF THE POSSIBILITY OF SUCH DAMAGE.
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+*/
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+
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+/*
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+ Adapted from Red Hat Ceph patch by
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+ Radoslaw Zarzynski <rzarzyns@redhat.com>
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+
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+ PK11_ImportSymKey() is a part of NSS API that becomes unavailable
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+ in the FIPS mode. Apparently NSS targets stricter restrictions
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+ than those coming from Level 1 of FIPS 140-2. In the consequence,
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+ loading a symmetric key from plain keyring or key db fails.
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+
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+ A raw crypto key is in-memory wrapped with fresh, random wrapping
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+ key just before being imported via PK11_UnwrapSymKey(). Of course,
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+ this effectively lowers to FIPS level 1. Still, this would be no
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+ different from what OpenSSL gives in the matter.
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+*/
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+
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+#ifndef NSS_FIPS_H
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+#define NSS_FIPS_H
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+
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+static PK11SymKey *PK11_ImportSymKey_FIPS(
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+ PK11SlotInfo * const slot,
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+ const CK_MECHANISM_TYPE type,
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+ const PK11Origin origin,
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+ const CK_ATTRIBUTE_TYPE operation,
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+ SECItem * const raw_key,
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+ void * const wincx)
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+{
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+ PK11SymKey* wrapping_key = NULL;
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+ PK11Context *wrap_key_crypt_context = NULL;
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+ SECItem *raw_key_aligned = NULL;
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+ CK_MECHANISM_TYPE wrap_mechanism = 0;
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+
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+ struct {
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+ unsigned char data[256];
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+ int len;
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+ } wrapped_key;
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+
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+ #define SCOPE_DATA_FREE() \
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+ { \
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+ PK11_FreeSymKey(wrapping_key); \
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+ PK11_DestroyContext(wrap_key_crypt_context, PR_TRUE); \
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+ SECITEM_FreeItem(raw_key_aligned, PR_TRUE); \
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+ }
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+
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+ if(raw_key->len > sizeof(wrapped_key.data)) {
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+ return NULL;
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+ }
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+
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+ // getting 306 on my system which is CKM_DES3_ECB.
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+ wrap_mechanism = PK11_GetBestWrapMechanism(slot);
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+
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+ // Generate a wrapping key. It will be used exactly twice over the scope:
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+ // * to encrypt raw_key giving wrapped_key,
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+ // * to decrypt wrapped_key in the internals of PK11_UnwrapSymKey().
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+ wrapping_key = PK11_KeyGen(slot, wrap_mechanism, NULL,
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+ PK11_GetBestKeyLength(slot, wrap_mechanism), NULL);
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+ if (wrapping_key == NULL) {
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+ return NULL;
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+ }
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+
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+ // Prepare a PK11 context for the raw_key -> wrapped_key encryption.
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+ SECItem tmp_sec_item;
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+ memset(&tmp_sec_item, 0, sizeof(tmp_sec_item));
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+ wrap_key_crypt_context = PK11_CreateContextBySymKey(
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+ wrap_mechanism,
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+ CKA_ENCRYPT,
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+ wrapping_key,
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+ &tmp_sec_item);
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+ if (wrap_key_crypt_context == NULL) {
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+ SCOPE_DATA_FREE();
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+ return NULL;
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+ }
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+
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+ // Finally wrap the key. Important note is that the wrapping mechanism
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+ // selection (read: just grabbing a cipher) offers, at least in my NSS
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+ // copy, mostly CKM_*_ECB ciphers (with 3DES as the leading one, see
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+ // wrapMechanismList[] in pk11mech.c). There is no CKM_*_*_PAD variant
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+ // which means that plaintext we are providing to PK11_CipherOp() must
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+ // be aligned to cipher's block size. For 3DES it's 64 bits.
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+ raw_key_aligned = PK11_BlockData(raw_key, PK11_GetBlockSize(wrap_mechanism, NULL));
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+ if (raw_key_aligned == NULL) {
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+ SCOPE_DATA_FREE();
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+ return NULL;
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+ }
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+
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+ if (PK11_CipherOp(wrap_key_crypt_context, wrapped_key.data, &wrapped_key.len,
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+ sizeof(wrapped_key.data), raw_key_aligned->data,
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+ raw_key_aligned->len) != SECSuccess) {
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+ SCOPE_DATA_FREE();
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+ return NULL;
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+ }
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+
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+ if (PK11_Finalize(wrap_key_crypt_context) != SECSuccess) {
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+ SCOPE_DATA_FREE();
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+ return NULL;
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+ }
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+
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+ // Key is wrapped now so we can acquire the ultimate PK11SymKey through
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+ // unwrapping it. Of course these two opposite operations form NOP with
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+ // a side effect: FIPS level 1 compatibility.
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+ memset(&tmp_sec_item, 0, sizeof(tmp_sec_item));
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+
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+ SECItem wrapped_key_item;
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+ memset(&wrapped_key_item, 0, sizeof(wrapped_key_item));
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+ wrapped_key_item.data = wrapped_key.data;
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+ wrapped_key_item.len = wrapped_key.len;
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+
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+ PK11SymKey *ret = PK11_UnwrapSymKey(wrapping_key, wrap_mechanism,
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+ &tmp_sec_item, &wrapped_key_item, type,
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+ operation, raw_key->len);
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+ SCOPE_DATA_FREE();
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+ return ret;
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+ }
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+
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+#endif // NSS_FIPS_H
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@ -1,9 +0,0 @@
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[Global]
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id=redhat
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version=1.0
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about=Mozilla Firefox for Red Hat Enterprise Linux
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[Preferences]
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app.distributor=redhat
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app.distributor.channel=redhat
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app.partner.redhat=redhat
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@ -0,0 +1,9 @@
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[Global]
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id=__ID__
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version=1.0
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about=Mozilla Firefox for __NAME__
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[Preferences]
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app.distributor=__ID__
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app.distributor.channel=__ID__
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app.partner.__ID__=__ID__
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