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