content/child/webcrypto/openssl/ec_algorithm_openssl.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_OPENSSL_EC_ALGORITHM_OPENSSL_H_
   6 #define CONTENT_CHILD_WEBCRYPTO_OPENSSL_EC_ALGORITHM_OPENSSL_H_
   7
   8 #include "content/child/webcrypto/algorithm_implementation.h"
   9
  10 namespace content {
  11
  12 namespace webcrypto {
  13
  14 // Base class for an EC algorithm. Provides functionality for generating,
  15 // importing, and exporting keys.
  16 class EcAlgorithm : public AlgorithmImplementation {
  17  public:
  18   // |all_public_key_usages| and |all_private_key_usages| are the set of
  19   // WebCrypto key usages that are valid for created keys (public and private
  20   // respectively).
  21   EcAlgorithm(blink::WebCryptoKeyUsageMask all_public_key_usages,
  22               blink::WebCryptoKeyUsageMask all_private_key_usages)
  23       : all_public_key_usages_(all_public_key_usages),
  24         all_private_key_usages_(all_private_key_usages) {}
  25
  26   // For instance "ES256".
  27   virtual const char* GetJwkAlgorithm(
  28       const blink::WebCryptoNamedCurve curve) const = 0;
  29
  30   Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
  31                      bool extractable,
  32                      blink::WebCryptoKeyUsageMask usages,
  33                      GenerateKeyResult* result) const override;
  34
  35   Status VerifyKeyUsagesBeforeImportKey(
  36       blink::WebCryptoKeyFormat format,
  37       blink::WebCryptoKeyUsageMask usages) const override;
  38
  39   Status ImportKeyPkcs8(const CryptoData& key_data,
  40                         const blink::WebCryptoAlgorithm& algorithm,
  41                         bool extractable,
  42                         blink::WebCryptoKeyUsageMask usages,
  43                         blink::WebCryptoKey* key) const override;
  44
  45   Status ImportKeySpki(const CryptoData& key_data,
  46                        const blink::WebCryptoAlgorithm& algorithm,
  47                        bool extractable,
  48                        blink::WebCryptoKeyUsageMask usages,
  49                        blink::WebCryptoKey* key) const override;
  50
  51   Status ImportKeyJwk(const CryptoData& key_data,
  52                       const blink::WebCryptoAlgorithm& algorithm,
  53                       bool extractable,
  54                       blink::WebCryptoKeyUsageMask usages,
  55                       blink::WebCryptoKey* key) const override;
  56
  57   Status ExportKeyPkcs8(const blink::WebCryptoKey& key,
  58                         std::vector<uint8_t>* buffer) const override;
  59
  60   Status ExportKeySpki(const blink::WebCryptoKey& key,
  61                        std::vector<uint8_t>* buffer) const override;
  62
  63   Status ExportKeyJwk(const blink::WebCryptoKey& key,
  64                       std::vector<uint8_t>* buffer) const override;
  65
  66   Status SerializeKeyForClone(
  67       const blink::WebCryptoKey& key,
  68       blink::WebVector<uint8_t>* key_data) const override;
  69
  70   Status DeserializeKeyForClone(const blink::WebCryptoKeyAlgorithm& algorithm,
  71                                 blink::WebCryptoKeyType type,
  72                                 bool extractable,
  73                                 blink::WebCryptoKeyUsageMask usages,
  74                                 const CryptoData& key_data,
  75                                 blink::WebCryptoKey* key) const override;
  76
  77  private:
  78   const blink::WebCryptoKeyUsageMask all_public_key_usages_;
  79   const blink::WebCryptoKeyUsageMask all_private_key_usages_;
  80 };
  81
  82 }  // namespace webcrypto
  83
  84 }  // namespace content
  85
  86 #endif  // CONTENT_CHILD_WEBCRYPTO_OPENSSL_EC_ALGORITHM_OPENSSL_H_