Index: crypto/symmetric_key_openssl.cc |
diff --git a/crypto/symmetric_key_openssl.cc b/crypto/symmetric_key_openssl.cc |
deleted file mode 100644 |
index 5aef1d4ffc11f2da50fa1a89e68141643bd18fbf..0000000000000000000000000000000000000000 |
--- a/crypto/symmetric_key_openssl.cc |
+++ /dev/null |
@@ -1,105 +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/symmetric_key.h" |
- |
-#include <openssl/evp.h> |
-#include <openssl/rand.h> |
-#include <stddef.h> |
-#include <stdint.h> |
- |
-#include <algorithm> |
-#include <memory> |
- |
-#include "base/logging.h" |
-#include "base/strings/string_util.h" |
-#include "crypto/openssl_util.h" |
- |
-namespace crypto { |
- |
-SymmetricKey::~SymmetricKey() { |
- std::fill(key_.begin(), key_.end(), '\0'); // Zero out the confidential key. |
-} |
- |
-// static |
-SymmetricKey* SymmetricKey::GenerateRandomKey(Algorithm algorithm, |
- size_t key_size_in_bits) { |
- DCHECK_EQ(AES, algorithm); |
- |
- // Whitelist supported key sizes to avoid accidentaly relying on |
- // algorithms available in NSS but not BoringSSL and vice |
- // versa. Note that BoringSSL does not support AES-192. |
- if (key_size_in_bits != 128 && key_size_in_bits != 256) |
- return NULL; |
- |
- size_t key_size_in_bytes = key_size_in_bits / 8; |
- DCHECK_EQ(key_size_in_bits, key_size_in_bytes * 8); |
- |
- if (key_size_in_bytes == 0) |
- return NULL; |
- |
- OpenSSLErrStackTracer err_tracer(FROM_HERE); |
- std::unique_ptr<SymmetricKey> key(new SymmetricKey); |
- uint8_t* key_data = reinterpret_cast<uint8_t*>( |
- base::WriteInto(&key->key_, key_size_in_bytes + 1)); |
- |
- int rv = RAND_bytes(key_data, static_cast<int>(key_size_in_bytes)); |
- return rv == 1 ? key.release() : NULL; |
-} |
- |
-// static |
-SymmetricKey* SymmetricKey::DeriveKeyFromPassword(Algorithm algorithm, |
- const std::string& password, |
- const std::string& salt, |
- size_t iterations, |
- size_t key_size_in_bits) { |
- DCHECK(algorithm == AES || algorithm == HMAC_SHA1); |
- |
- if (algorithm == AES) { |
- // Whitelist supported key sizes to avoid accidentaly relying on |
- // algorithms available in NSS but not BoringSSL and vice |
- // versa. Note that BoringSSL does not support AES-192. |
- if (key_size_in_bits != 128 && key_size_in_bits != 256) |
- return NULL; |
- } |
- |
- size_t key_size_in_bytes = key_size_in_bits / 8; |
- DCHECK_EQ(key_size_in_bits, key_size_in_bytes * 8); |
- |
- if (key_size_in_bytes == 0) |
- return NULL; |
- |
- OpenSSLErrStackTracer err_tracer(FROM_HERE); |
- std::unique_ptr<SymmetricKey> key(new SymmetricKey); |
- uint8_t* key_data = reinterpret_cast<uint8_t*>( |
- base::WriteInto(&key->key_, key_size_in_bytes + 1)); |
- int rv = PKCS5_PBKDF2_HMAC_SHA1( |
- password.data(), password.length(), |
- reinterpret_cast<const uint8_t*>(salt.data()), salt.length(), iterations, |
- static_cast<int>(key_size_in_bytes), key_data); |
- return rv == 1 ? key.release() : NULL; |
-} |
- |
-// static |
-SymmetricKey* SymmetricKey::Import(Algorithm algorithm, |
- const std::string& raw_key) { |
- if (algorithm == AES) { |
- // Whitelist supported key sizes to avoid accidentaly relying on |
- // algorithms available in NSS but not BoringSSL and vice |
- // versa. Note that BoringSSL does not support AES-192. |
- if (raw_key.size() != 128/8 && raw_key.size() != 256/8) |
- return NULL; |
- } |
- |
- std::unique_ptr<SymmetricKey> key(new SymmetricKey); |
- key->key_ = raw_key; |
- return key.release(); |
-} |
- |
-bool SymmetricKey::GetRawKey(std::string* raw_key) { |
- *raw_key = key_; |
- return true; |
-} |
- |
-} // namespace crypto |