Remove CUP from google_apis

google_apis/cup/client_update_protocol_nss.cc

Index: google_apis/cup/client_update_protocol_nss.cc
diff --git a/google_apis/cup/client_update_protocol_nss.cc b/google_apis/cup/client_update_protocol_nss.cc
deleted file mode 100644
index 1d3ff24d4f7b115acb37c7e981becd7ae6737ac2..0000000000000000000000000000000000000000
--- a/google_apis/cup/client_update_protocol_nss.cc
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "google_apis/cup/client_update_protocol.h"
-
-#include <keyhi.h>
-#include <pk11pub.h>
-#include <seccomon.h>
-
-#include "base/logging.h"
-#include "crypto/nss_util.h"
-#include "crypto/scoped_nss_types.h"
-
-typedef scoped_ptr<CERTSubjectPublicKeyInfo,
-                   crypto::NSSDestroyer<CERTSubjectPublicKeyInfo,
-                                        SECKEY_DestroySubjectPublicKeyInfo> >
-    ScopedCERTSubjectPublicKeyInfo;
-
-ClientUpdateProtocol::~ClientUpdateProtocol() {
-  if (public_key_)
-    SECKEY_DestroyPublicKey(public_key_);
-}
-
-bool ClientUpdateProtocol::LoadPublicKey(const base::StringPiece& public_key) {
-  crypto::EnsureNSSInit();
-
-  // The binary blob |public_key| is expected to be a DER-encoded ASN.1
-  // Subject Public Key Info.
-  SECItem spki_item;
-  spki_item.type = siBuffer;
-  spki_item.data =
-      reinterpret_cast<unsigned char*>(const_cast<char*>(public_key.data()));
-  spki_item.len = static_cast<unsigned int>(public_key.size());
-
-  ScopedCERTSubjectPublicKeyInfo spki(
-      SECKEY_DecodeDERSubjectPublicKeyInfo(&spki_item));
-  if (!spki.get())
-    return false;
-
-  public_key_ = SECKEY_ExtractPublicKey(spki.get());
-  if (!public_key_)
-    return false;
-
-  if (!PublicKeyLength())
-    return false;
-
-  return true;
-}
-
-size_t ClientUpdateProtocol::PublicKeyLength() {
-  if (!public_key_)
-    return 0;
-
-  return SECKEY_PublicKeyStrength(public_key_);
-}
-
-bool ClientUpdateProtocol::EncryptKeySource(
-    const std::vector<uint8>& key_source) {
-  // WARNING: This call bypasses the usual PKCS #1 padding and does direct RSA
-  // exponentiation.  This is not secure without taking measures to ensure that
-  // the contents of r are suitable.  This is done to remain compatible with
-  // the implementation on the Google Update servers; don't copy-paste this
-  // code arbitrarily and expect it to work and/or remain secure!
-  if (!public_key_)
-    return false;
-
-  size_t keysize = SECKEY_PublicKeyStrength(public_key_);
-  if (key_source.size() != keysize)
-    return false;
-
-  encrypted_key_source_.resize(keysize);
-  return SECSuccess == PK11_PubEncryptRaw(
-      public_key_,
-      &encrypted_key_source_[0],
-      const_cast<unsigned char*>(&key_source[0]),
-      key_source.size(),
-      NULL);
-}
-