Remove platform-specific implementations of RSAPrivateKey and SignatureCreator

crypto/rsa_private_key_mac.cc

Index: crypto/rsa_private_key_mac.cc
diff --git a/crypto/rsa_private_key_mac.cc b/crypto/rsa_private_key_mac.cc
deleted file mode 100644
index fbe1491e980642eb7ffff2274b4a5a20c528a669..0000000000000000000000000000000000000000
--- a/crypto/rsa_private_key_mac.cc
+++ /dev/null
@@ -1,204 +0,0 @@
-// Copyright (c) 2012 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/rsa_private_key.h"
-
-#include <list>
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "crypto/cssm_init.h"
-
-namespace crypto {
-
-// static
-RSAPrivateKey* RSAPrivateKey::Create(uint16 num_bits) {
-  scoped_ptr<RSAPrivateKey> result(new RSAPrivateKey);
-
-  CSSM_CC_HANDLE cc_handle;
-  CSSM_RETURN crtn;
-  crtn = CSSM_CSP_CreateKeyGenContext(GetSharedCSPHandle(), CSSM_ALGID_RSA,
-                                      num_bits, NULL, NULL, NULL, NULL, NULL,
-                                      &cc_handle);
-  if (crtn) {
-    NOTREACHED() << "CSSM_CSP_CreateKeyGenContext failed: " << crtn;
-    return NULL;
-  }
-
-  CSSM_DATA label = { 9,
-      const_cast<uint8*>(reinterpret_cast<const uint8*>("temp_key")) };
-  crtn = CSSM_GenerateKeyPair(cc_handle,
-      CSSM_KEYUSE_VERIFY,
-      CSSM_KEYATTR_RETURN_DATA | CSSM_KEYATTR_EXTRACTABLE, &label,
-      result->public_key(), CSSM_KEYUSE_SIGN,
-      CSSM_KEYATTR_RETURN_DATA | CSSM_KEYATTR_EXTRACTABLE, &label, NULL,
-      result->key());
-  CSSM_DeleteContext(cc_handle);
-  if (crtn) {
-    NOTREACHED() << "CSSM_CSP_CreateKeyGenContext failed: " << crtn;
-    return NULL;
-  }
-
-  return result.release();
-}
-
-// static
-RSAPrivateKey* RSAPrivateKey::CreateSensitive(uint16 num_bits) {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-// static
-RSAPrivateKey* RSAPrivateKey::CreateFromPrivateKeyInfo(
-    const std::vector<uint8>& input) {
-  if (input.empty())
-    return NULL;
-
-  scoped_ptr<RSAPrivateKey> result(new RSAPrivateKey);
-
-  CSSM_KEY key;
-  memset(&key, 0, sizeof(key));
-  key.KeyData.Data = const_cast<uint8*>(&input.front());
-  key.KeyData.Length = input.size();
-  key.KeyHeader.Format = CSSM_KEYBLOB_RAW_FORMAT_PKCS8;
-  key.KeyHeader.HeaderVersion = CSSM_KEYHEADER_VERSION;
-  key.KeyHeader.BlobType = CSSM_KEYBLOB_RAW;
-  key.KeyHeader.AlgorithmId = CSSM_ALGID_RSA;
-  key.KeyHeader.KeyClass = CSSM_KEYCLASS_PRIVATE_KEY;
-  key.KeyHeader.KeyAttr = CSSM_KEYATTR_EXTRACTABLE;
-  key.KeyHeader.KeyUsage = CSSM_KEYUSE_ANY;
-
-  CSSM_KEY_SIZE key_size;
-  CSSM_RETURN crtn;
-  crtn = CSSM_QueryKeySizeInBits(
-      GetSharedCSPHandle(), CSSM_INVALID_HANDLE, &key, &key_size);
-  if (crtn) {
-    NOTREACHED() << "CSSM_QueryKeySizeInBits failed: " << crtn;
-    return NULL;
-  }
-  key.KeyHeader.LogicalKeySizeInBits = key_size.LogicalKeySizeInBits;
-
-  // Perform a NULL unwrap operation on the key so that result's key_
-  // instance variable points to a key that can be released via CSSM_FreeKey().
-  CSSM_ACCESS_CREDENTIALS creds;
-  memset(&creds, 0, sizeof(CSSM_ACCESS_CREDENTIALS));
-  CSSM_CC_HANDLE cc_handle;
-  crtn = CSSM_CSP_CreateSymmetricContext(GetSharedCSPHandle(), CSSM_ALGID_NONE,
-      CSSM_ALGMODE_NONE, &creds, NULL, NULL, CSSM_PADDING_NONE, 0, &cc_handle);
-  if (crtn) {
-    NOTREACHED() << "CSSM_CSP_CreateSymmetricContext failed: " << crtn;
-    return NULL;
-  }
-  CSSM_DATA label_data, desc_data = { 0, NULL };
-  label_data.Data =
-      const_cast<uint8*>(reinterpret_cast<const uint8*>("unwrapped"));
-  label_data.Length = 9;
-  crtn = CSSM_UnwrapKey(cc_handle, NULL, &key, CSSM_KEYUSE_ANY,
-      CSSM_KEYATTR_RETURN_DATA | CSSM_KEYATTR_EXTRACTABLE, &label_data,
-      NULL, result->key(), &desc_data);
-  if (crtn) {
-    NOTREACHED() << "CSSM_UnwrapKey failed: " << crtn;
-    return NULL;
-  }
-
-  // Extract a public key from the private key.
-  // Apple doesn't accept CSSM_KEYBLOB_RAW_FORMAT_X509 as a valid key
-  // format when attempting to generate certs, so use PKCS1 instead.
-  PrivateKeyInfoCodec codec(true);
-  std::vector<uint8> private_key_data;
-  private_key_data.assign(key.KeyData.Data,
-                          key.KeyData.Data + key.KeyData.Length);
-  if (!codec.Import(private_key_data)) {
-    return NULL;
-  }
-  std::vector<uint8> public_key_data;
-  if (!codec.ExportPublicKey(&public_key_data)) {
-    return NULL;
-  }
-
-  CSSM_KEY* public_key = result->public_key();
-  size_t size = public_key_data.size();
-  public_key->KeyData.Data = reinterpret_cast<uint8*>(CSSMMalloc(size));
-  if (!public_key->KeyData.Data) {
-    NOTREACHED() << "CSSMMalloc failed";
-    return NULL;
-  }
-  memcpy(public_key->KeyData.Data, &public_key_data.front(), size);
-  public_key->KeyData.Length = size;
-  public_key->KeyHeader.Format = CSSM_KEYBLOB_RAW_FORMAT_PKCS1;
-  public_key->KeyHeader.HeaderVersion = CSSM_KEYHEADER_VERSION;
-  public_key->KeyHeader.BlobType = CSSM_KEYBLOB_RAW;
-  public_key->KeyHeader.AlgorithmId = CSSM_ALGID_RSA;
-  public_key->KeyHeader.KeyClass = CSSM_KEYCLASS_PUBLIC_KEY;
-  public_key->KeyHeader.KeyAttr = CSSM_KEYATTR_EXTRACTABLE;
-  public_key->KeyHeader.KeyUsage = CSSM_KEYUSE_ANY;
-
-  crtn = CSSM_QueryKeySizeInBits(
-      GetSharedCSPHandle(), CSSM_INVALID_HANDLE, public_key, &key_size);
-  if (crtn) {
-    DLOG(ERROR) << "CSSM_QueryKeySizeInBits failed " << crtn;
-    return NULL;
-  }
-  public_key->KeyHeader.LogicalKeySizeInBits = key_size.LogicalKeySizeInBits;
-
-  return result.release();
-}
-
-// static
-RSAPrivateKey* RSAPrivateKey::CreateSensitiveFromPrivateKeyInfo(
-    const std::vector<uint8>& input) {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-// static
-RSAPrivateKey* RSAPrivateKey::FindFromPublicKeyInfo(
-    const std::vector<uint8>& input) {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-RSAPrivateKey::RSAPrivateKey() {
-  memset(&key_, 0, sizeof(key_));
-  memset(&public_key_, 0, sizeof(public_key_));
-
-  EnsureCSSMInit();
-}
-
-RSAPrivateKey::~RSAPrivateKey() {
-  if (key_.KeyData.Data) {
-    CSSM_FreeKey(GetSharedCSPHandle(), NULL, &key_, CSSM_FALSE);
-  }
-  if (public_key_.KeyData.Data) {
-    CSSM_FreeKey(GetSharedCSPHandle(), NULL, &public_key_, CSSM_FALSE);
-  }
-}
-
-RSAPrivateKey* RSAPrivateKey::Copy() const {
-  std::vector<uint8> key_bytes;
-  if (!ExportPrivateKey(&key_bytes))
-    return NULL;
-  return CreateFromPrivateKeyInfo(key_bytes);
-}
-
-bool RSAPrivateKey::ExportPrivateKey(std::vector<uint8>* output) const {
-  if (!key_.KeyData.Data || !key_.KeyData.Length) {
-    return false;
-  }
-  output->clear();
-  output->insert(output->end(), key_.KeyData.Data,
-                 key_.KeyData.Data + key_.KeyData.Length);
-  return true;
-}
-
-bool RSAPrivateKey::ExportPublicKey(std::vector<uint8>* output) const {
-  PrivateKeyInfoCodec private_key_info(true);
-  std::vector<uint8> private_key_data;
-  private_key_data.assign(key_.KeyData.Data,
-                          key_.KeyData.Data + key_.KeyData.Length);
-  return (private_key_info.Import(private_key_data) &&
-          private_key_info.ExportPublicKeyInfo(output));
-}
-
-}  // namespace crypto