crypto: remove unused Mac SignatureVerifier.

crypto/signature_verifier_mac.cc

Index: crypto/signature_verifier_mac.cc
diff --git a/crypto/signature_verifier_mac.cc b/crypto/signature_verifier_mac.cc
deleted file mode 100644
index 90e7196ee92172c19b100a096bc48e57193559d4..0000000000000000000000000000000000000000
--- a/crypto/signature_verifier_mac.cc
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright (c) 2011 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 "crypto/signature_verifier.h"
-
-#include <stdlib.h>
-
-#include "base/logging.h"
-#include "crypto/cssm_init.h"
-
-namespace crypto {
-
-SignatureVerifier::SignatureVerifier() : sig_handle_(0) {
-  memset(&public_key_, 0, sizeof(public_key_));
-  EnsureCSSMInit();
-}
-
-SignatureVerifier::~SignatureVerifier() {
-  Reset();
-}
-
-bool SignatureVerifier::VerifyInit(const uint8* signature_algorithm,
-                                   int signature_algorithm_len,
-                                   const uint8* signature,
-                                   int signature_len,
-                                   const uint8* public_key_info,
-                                   int public_key_info_len) {
-  signature_.assign(signature, signature + signature_len);
-  public_key_info_.assign(public_key_info,
-                          public_key_info + public_key_info_len);
-
-  CSSM_ALGORITHMS key_alg = CSSM_ALGID_RSA;  // TODO(wtc): hardcoded.
-
-  memset(&public_key_, 0, sizeof(public_key_));
-  public_key_.KeyData.Data = const_cast<uint8*>(&public_key_info_[0]);
-  public_key_.KeyData.Length = public_key_info_.size();
-  public_key_.KeyHeader.HeaderVersion = CSSM_KEYHEADER_VERSION;
-  public_key_.KeyHeader.BlobType = CSSM_KEYBLOB_RAW;
-  public_key_.KeyHeader.Format = CSSM_KEYBLOB_RAW_FORMAT_X509;
-  public_key_.KeyHeader.AlgorithmId = key_alg;
-  public_key_.KeyHeader.KeyClass = CSSM_KEYCLASS_PUBLIC_KEY;
-  public_key_.KeyHeader.KeyAttr = CSSM_KEYATTR_EXTRACTABLE;
-  public_key_.KeyHeader.KeyUsage = CSSM_KEYUSE_VERIFY;
-  CSSM_KEY_SIZE key_size;
-  CSSM_RETURN crtn;
-  crtn = CSSM_QueryKeySizeInBits(GetSharedCSPHandle(), NULL,
-                                 &public_key_, &key_size);
-  if (crtn) {
-    NOTREACHED() << "CSSM_QueryKeySizeInBits failed: " << crtn;
-    return false;
-  }
-  public_key_.KeyHeader.LogicalKeySizeInBits = key_size.LogicalKeySizeInBits;
-
-  // TODO(wtc): decode signature_algorithm...
-  CSSM_ALGORITHMS sig_alg = CSSM_ALGID_SHA1WithRSA;
-
-  crtn = CSSM_CSP_CreateSignatureContext(GetSharedCSPHandle(), sig_alg, NULL,
-                                         &public_key_, &sig_handle_);
-  if (crtn) {
-    NOTREACHED();
-    return false;
-  }
-  crtn = CSSM_VerifyDataInit(sig_handle_);
-  if (crtn) {
-    NOTREACHED();
-    return false;
-  }
-  return true;
-}
-
-void SignatureVerifier::VerifyUpdate(const uint8* data_part,
-                                     int data_part_len) {
-  CSSM_DATA data;
-  data.Data = const_cast<uint8*>(data_part);
-  data.Length = data_part_len;
-  CSSM_RETURN crtn = CSSM_VerifyDataUpdate(sig_handle_, &data, 1);
-  DCHECK_EQ(CSSM_OK, crtn);
-}
-
-bool SignatureVerifier::VerifyFinal() {
-  CSSM_DATA sig;
-  sig.Data = const_cast<uint8*>(&signature_[0]);
-  sig.Length = signature_.size();
-  CSSM_RETURN crtn = CSSM_VerifyDataFinal(sig_handle_, &sig);
-  Reset();
-
-  // crtn is CSSMERR_CSP_VERIFY_FAILED if signature verification fails.
-  return (crtn == CSSM_OK);
-}
-
-void SignatureVerifier::Reset() {
-  CSSM_RETURN crtn;
-  if (sig_handle_) {
-    crtn = CSSM_DeleteContext(sig_handle_);
-    DCHECK_EQ(CSSM_OK, crtn);
-    sig_handle_ = 0;
-  }
-  signature_.clear();
-
-  // Can't call CSSM_FreeKey on public_key_ because we constructed
-  // public_key_ manually.
-}
-
-}  // namespace crypto
-