content/child/webcrypto/generate_key_result.h

   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 #ifndef CONTENT_CHILD_WEBCRYPTO_GENERATE_KEY_RESULT_H_
   6 #define CONTENT_CHILD_WEBCRYPTO_GENERATE_KEY_RESULT_H_
   7
   8 #include "content/common/content_export.h"
   9 #include "third_party/WebKit/public/platform/WebCrypto.h"
  10
  11 namespace content {
  12
  13 namespace webcrypto {
  14
  15 // This is the result object when generating keys. It encapsulates either a
  16 // secret key, or a public/private key pair.
  17 class CONTENT_EXPORT GenerateKeyResult {
  18  public:
  19   enum Type {
  20     // An empty (or "null") result.
  21     TYPE_NULL,
  22
  23     // The result is a secret key, accessible through secret_key()
  24     TYPE_SECRET_KEY,
  25
  26     // The result is a public/private key pair, accessible through public_key()
  27     // and private_key()
  28     TYPE_PUBLIC_PRIVATE_KEY_PAIR
  29   };
  30
  31   // Initializes a "null" instance.
  32   GenerateKeyResult();
  33
  34   Type type() const;
  35
  36   const blink::WebCryptoKey& secret_key() const;
  37   const blink::WebCryptoKey& public_key() const;
  38   const blink::WebCryptoKey& private_key() const;
  39
  40   void AssignSecretKey(const blink::WebCryptoKey& key);
  41   void AssignKeyPair(const blink::WebCryptoKey& public_key,
  42                      const blink::WebCryptoKey& private_key);
  43
  44   // Sends the key(s) to the Blink result. Should not be called for "null"
  45   // results.
  46   void Complete(blink::WebCryptoResult* out) const;
  47
  48  private:
  49   Type type_;
  50
  51   blink::WebCryptoKey secret_key_;
  52   blink::WebCryptoKey public_key_;
  53   blink::WebCryptoKey private_key_;
  54 };
  55
  56 }  // namespace webcrypto
  57
  58 }  // namespace content
  59
  60 #endif  // CONTENT_CHILD_WEBCRYPTO_GENERATE_KEY_RESULT_H_