content/child/webcrypto/openssl/sym_key_openssl.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/child/webcrypto/openssl/sym_key_openssl.h"
   6
   7 #include <vector>
   8 #include <openssl/rand.h>
   9
  10 #include "content/child/webcrypto/crypto_data.h"
  11 #include "content/child/webcrypto/openssl/key_openssl.h"
  12 #include "content/child/webcrypto/status.h"
  13 #include "crypto/openssl_util.h"
  14 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
  15
  16 namespace content {
  17
  18 namespace webcrypto {
  19
  20 Status GenerateSecretKeyOpenSsl(const blink::WebCryptoKeyAlgorithm& algorithm,
  21                                 bool extractable,
  22                                 blink::WebCryptoKeyUsageMask usage_mask,
  23                                 unsigned keylen_bytes,
  24                                 blink::WebCryptoKey* key) {
  25   crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
  26
  27   std::vector<unsigned char> random_bytes(keylen_bytes, 0);
  28
  29   if (keylen_bytes > 0) {
  30     if (!(RAND_bytes(&random_bytes[0], keylen_bytes)))
  31       return Status::OperationError();
  32   }
  33
  34   *key =
  35       blink::WebCryptoKey::create(new SymKeyOpenSsl(CryptoData(random_bytes)),
  36                                   blink::WebCryptoKeyTypeSecret,
  37                                   extractable,
  38                                   algorithm,
  39                                   usage_mask);
  40   return Status::Success();
  41 }
  42
  43 Status ImportKeyRawOpenSsl(const CryptoData& key_data,
  44                            const blink::WebCryptoKeyAlgorithm& algorithm,
  45                            bool extractable,
  46                            blink::WebCryptoKeyUsageMask usage_mask,
  47                            blink::WebCryptoKey* key) {
  48   *key = blink::WebCryptoKey::create(new SymKeyOpenSsl(key_data),
  49                                      blink::WebCryptoKeyTypeSecret,
  50                                      extractable,
  51                                      algorithm,
  52                                      usage_mask);
  53   return Status::Success();
  54 }
  55
  56 }  // namespace webcrypto
  57
  58 }  // namespace content