Move crypto files out of base, to a top level directory.

base/crypto/signature_verifier_nss.cc

Index: base/crypto/signature_verifier_nss.cc
===================================================================
--- base/crypto/signature_verifier_nss.cc	(revision 80572)
+++ base/crypto/signature_verifier_nss.cc	(working copy)
@@ -1,113 +0,0 @@
-// Copyright (c) 2009 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 "base/crypto/signature_verifier.h"
-
-#include <cryptohi.h>
-#include <keyhi.h>
-#include <stdlib.h>
-
-#include "base/logging.h"
-#include "base/nss_util.h"
-
-namespace base {
-
-SignatureVerifier::SignatureVerifier() : vfy_context_(NULL) {
-  EnsureNSSInit();
-}
-
-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);
-
-  CERTSubjectPublicKeyInfo* spki = NULL;
-  SECItem spki_der;
-  spki_der.type = siBuffer;
-  spki_der.data = const_cast<uint8*>(public_key_info);
-  spki_der.len = public_key_info_len;
-  spki = SECKEY_DecodeDERSubjectPublicKeyInfo(&spki_der);
-  if (!spki)
-    return false;
-  SECKEYPublicKey* public_key = SECKEY_ExtractPublicKey(spki);
-  SECKEY_DestroySubjectPublicKeyInfo(spki);  // Done with spki.
-  if (!public_key)
-    return false;
-
-  PLArenaPool* arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
-  if (!arena) {
-    SECKEY_DestroyPublicKey(public_key);
-    return false;
-  }
-
-  SECItem sig_alg_der;
-  sig_alg_der.type = siBuffer;
-  sig_alg_der.data = const_cast<uint8*>(signature_algorithm);
-  sig_alg_der.len = signature_algorithm_len;
-  SECAlgorithmID sig_alg_id;
-  SECStatus rv;
-  rv = SEC_QuickDERDecodeItem(arena, &sig_alg_id, SECOID_AlgorithmIDTemplate,
-                              &sig_alg_der);
-  if (rv != SECSuccess) {
-    SECKEY_DestroyPublicKey(public_key);
-    PORT_FreeArena(arena, PR_TRUE);
-    return false;
-  }
-
-  SECItem sig;
-  sig.type = siBuffer;
-  sig.data = const_cast<uint8*>(signature);
-  sig.len = signature_len;
-  SECOidTag hash_alg_tag;
-  vfy_context_ = VFY_CreateContextWithAlgorithmID(public_key, &sig,
-                                                  &sig_alg_id, &hash_alg_tag,
-                                                  NULL);
-  SECKEY_DestroyPublicKey(public_key);  // Done with public_key.
-  PORT_FreeArena(arena, PR_TRUE);  // Done with sig_alg_id.
-  if (!vfy_context_) {
-    // A corrupted RSA signature could be detected without the data, so
-    // VFY_CreateContextWithAlgorithmID may fail with SEC_ERROR_BAD_SIGNATURE
-    // (-8182).
-    return false;
-  }
-
-  rv = VFY_Begin(vfy_context_);
-  if (rv != SECSuccess) {
-    NOTREACHED();
-    return false;
-  }
-  return true;
-}
-
-void SignatureVerifier::VerifyUpdate(const uint8* data_part,
-                                     int data_part_len) {
-  SECStatus rv = VFY_Update(vfy_context_, data_part, data_part_len);
-  DCHECK(rv == SECSuccess);
-}
-
-bool SignatureVerifier::VerifyFinal() {
-  SECStatus rv = VFY_End(vfy_context_);
-  Reset();
-
-  // If signature verification fails, the error code is
-  // SEC_ERROR_BAD_SIGNATURE (-8182).
-  return (rv == SECSuccess);
-}
-
-void SignatureVerifier::Reset() {
-  if (vfy_context_) {
-    VFY_DestroyContext(vfy_context_, PR_TRUE);
-    vfy_context_ = NULL;
-  }
-  signature_.clear();
-}
-
-}  // namespace base