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Side by Side Diff: media/cdm/json_web_key.h

Issue 1534273002: Switch to standard integer types in media/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more Created 5 years ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef MEDIA_CDM_JSON_WEB_KEY_H_ 5 #ifndef MEDIA_CDM_JSON_WEB_KEY_H_
6 #define MEDIA_CDM_JSON_WEB_KEY_H_ 6 #define MEDIA_CDM_JSON_WEB_KEY_H_
7 7
8 #include <string> 8 #include <string>
9 #include <utility> 9 #include <utility>
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/basictypes.h"
13 #include "media/base/media_export.h" 12 #include "media/base/media_export.h"
14 #include "media/base/media_keys.h" 13 #include "media/base/media_keys.h"
15 14
16 namespace media { 15 namespace media {
17 16
18 // The ClearKey license request format (ref: 17 // The ClearKey license request format (ref:
19 // https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted- media.html#clear-key) 18 // https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted- media.html#clear-key)
20 // is a JSON object containing the following members: 19 // is a JSON object containing the following members:
21 // "kids" : An array of key IDs. Each element of the array is the base64url 20 // "kids" : An array of key IDs. Each element of the array is the base64url
22 // encoding of the octet sequence containing the key ID value. 21 // encoding of the octet sequence containing the key ID value.
(...skipping 19 matching lines...) Expand all
42 // { "kty":"oct", 41 // { "kty":"oct",
43 // "alg":"A128KW", 42 // "alg":"A128KW",
44 // "kid":"AQIDBAUGBwgJCgsMDQ4PEA", 43 // "kid":"AQIDBAUGBwgJCgsMDQ4PEA",
45 // "k":"FBUWFxgZGhscHR4fICEiIw" } 44 // "k":"FBUWFxgZGhscHR4fICEiIw" }
46 45
47 // There may be other properties specified, but they are ignored. 46 // There may be other properties specified, but they are ignored.
48 // Ref: http://tools.ietf.org/html/draft-ietf-jose-json-web-key and: 47 // Ref: http://tools.ietf.org/html/draft-ietf-jose-json-web-key and:
49 // http://tools.ietf.org/html/draft-jones-jose-json-private-and-symmetric-key 48 // http://tools.ietf.org/html/draft-jones-jose-json-private-and-symmetric-key
50 49
51 // Vector of key IDs. 50 // Vector of key IDs.
52 typedef std::vector<std::vector<uint8>> KeyIdList; 51 typedef std::vector<std::vector<uint8_t>> KeyIdList;
53 52
54 // Vector of [key_id, key_value] pairs. Values are raw binary data, stored in 53 // Vector of [key_id, key_value] pairs. Values are raw binary data, stored in
55 // strings for convenience. 54 // strings for convenience.
56 typedef std::pair<std::string, std::string> KeyIdAndKeyPair; 55 typedef std::pair<std::string, std::string> KeyIdAndKeyPair;
57 typedef std::vector<KeyIdAndKeyPair> KeyIdAndKeyPairs; 56 typedef std::vector<KeyIdAndKeyPair> KeyIdAndKeyPairs;
58 57
59 // Converts a single |key|, |key_id| pair to a JSON Web Key Set. 58 // Converts a single |key|, |key_id| pair to a JSON Web Key Set.
60 MEDIA_EXPORT std::string GenerateJWKSet(const uint8* key, int key_length, 59 MEDIA_EXPORT std::string GenerateJWKSet(const uint8_t* key,
61 const uint8* key_id, int key_id_length); 60 int key_length,
61 const uint8_t* key_id,
62 int key_id_length);
62 63
63 // Converts a set of |key|, |key_id| pairs to a JSON Web Key Set. 64 // Converts a set of |key|, |key_id| pairs to a JSON Web Key Set.
64 MEDIA_EXPORT std::string GenerateJWKSet(const KeyIdAndKeyPairs& keys, 65 MEDIA_EXPORT std::string GenerateJWKSet(const KeyIdAndKeyPairs& keys,
65 MediaKeys::SessionType session_type); 66 MediaKeys::SessionType session_type);
66 67
67 // Extracts the JSON Web Keys from a JSON Web Key Set. If |input| looks like 68 // Extracts the JSON Web Keys from a JSON Web Key Set. If |input| looks like
68 // a valid JWK Set, then true is returned and |keys| and |session_type| are 69 // a valid JWK Set, then true is returned and |keys| and |session_type| are
69 // updated to contain the values found. Otherwise return false. 70 // updated to contain the values found. Otherwise return false.
70 MEDIA_EXPORT bool ExtractKeysFromJWKSet(const std::string& jwk_set, 71 MEDIA_EXPORT bool ExtractKeysFromJWKSet(const std::string& jwk_set,
71 KeyIdAndKeyPairs* keys, 72 KeyIdAndKeyPairs* keys,
72 MediaKeys::SessionType* session_type); 73 MediaKeys::SessionType* session_type);
73 74
74 // Extracts the Key Ids from a Key IDs Initialization Data 75 // Extracts the Key Ids from a Key IDs Initialization Data
75 // (https://w3c.github.io/encrypted-media/keyids-format.html). If |input| looks 76 // (https://w3c.github.io/encrypted-media/keyids-format.html). If |input| looks
76 // valid, then true is returned and |key_ids| is updated to contain the values 77 // valid, then true is returned and |key_ids| is updated to contain the values
77 // found. Otherwise return false and |error_message| contains the reason. 78 // found. Otherwise return false and |error_message| contains the reason.
78 MEDIA_EXPORT bool ExtractKeyIdsFromKeyIdsInitData(const std::string& input, 79 MEDIA_EXPORT bool ExtractKeyIdsFromKeyIdsInitData(const std::string& input,
79 KeyIdList* key_ids, 80 KeyIdList* key_ids,
80 std::string* error_message); 81 std::string* error_message);
81 82
82 // Creates a license request message for the |key_ids| and |session_type| 83 // Creates a license request message for the |key_ids| and |session_type|
83 // specified. |license| is updated to contain the resulting JSON string. 84 // specified. |license| is updated to contain the resulting JSON string.
84 MEDIA_EXPORT void CreateLicenseRequest(const KeyIdList& key_ids, 85 MEDIA_EXPORT void CreateLicenseRequest(const KeyIdList& key_ids,
85 MediaKeys::SessionType session_type, 86 MediaKeys::SessionType session_type,
86 std::vector<uint8>* license); 87 std::vector<uint8_t>* license);
87 88
88 // Creates a keyIDs init_data message for the |key_ids| specified. 89 // Creates a keyIDs init_data message for the |key_ids| specified.
89 // |key_ids_init_data| is updated to contain the resulting JSON string. 90 // |key_ids_init_data| is updated to contain the resulting JSON string.
90 MEDIA_EXPORT void CreateKeyIdsInitData(const KeyIdList& key_ids, 91 MEDIA_EXPORT void CreateKeyIdsInitData(const KeyIdList& key_ids,
91 std::vector<uint8>* key_ids_init_data); 92 std::vector<uint8_t>* key_ids_init_data);
92 93
93 // Extract the first key from the license request message. Returns true if 94 // Extract the first key from the license request message. Returns true if
94 // |license| is a valid license request and contains at least one key, 95 // |license| is a valid license request and contains at least one key,
95 // otherwise false and |first_key| is not touched. 96 // otherwise false and |first_key| is not touched.
96 MEDIA_EXPORT bool ExtractFirstKeyIdFromLicenseRequest( 97 MEDIA_EXPORT bool ExtractFirstKeyIdFromLicenseRequest(
97 const std::vector<uint8>& license, 98 const std::vector<uint8_t>& license,
98 std::vector<uint8>* first_key); 99 std::vector<uint8_t>* first_key);
99 100
100 } // namespace media 101 } // namespace media
101 102
102 #endif // MEDIA_CDM_JSON_WEB_KEY_H_ 103 #endif // MEDIA_CDM_JSON_WEB_KEY_H_
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