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Migration from jb-mr2 to master for Widevine CDM

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Android development of the widevine CDM has been done
on the jb-mr2 branch of the cdm code base.  This CL
contains a merge of that jb-mr2 work to CDM master, and
also reflects the evolution of the common Modular DRM
code base since jb-mr2 branched.

Change-Id: I1d7e1a12d092c00044a4298261146cb97808d4ef
This commit is contained in:
Jeff Tinker
2013-07-29 17:29:07 -07:00
parent edb987db07
commit 0190f99fb3
68 changed files with 4754 additions and 3601 deletions
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67
libwvdrmengine/cdm/core/include/crypto_session.h
View File

@@ -8,48 +8,53 @@
#include <string>
#include <map>
#include "crypto_key.h"
#include "lock.h"
#include "OEMCryptoCENC.h"
#include "wv_cdm_types.h"
namespace wvcdm {
typedef std::map<CryptoKeyId,CryptoKey*> CryptoKeyMap;
class CryptoKey;
typedef std::map<CryptoKeyId, CryptoKey*> CryptoKeyMap;
class CryptoSession {
public:
CryptoSession();
explicit CryptoSession(const std::string& sname);
~CryptoSession();
typedef enum {
kSecurityLevelUninitialized,
kSecurityLevelL1,
kSecurityLevelL2,
kSecurityLevelL3,
kSecurityLevelUnknown
} SecurityLevel;
bool ValidateKeybox();
bool GetToken(std::string* token);
SecurityLevel GetSecurityLevel();
bool GetDeviceUniqueId(std::string* device_id);
bool GetSystemId(uint32_t* system_id);
bool GetProvisioningId(std::string* provisioning_id);
bool Open();
void Close();
bool IsValid() { return valid_; }
bool IsOpen() { return open_; }
bool SuccessStatus();
CryptoResult session_status() { return session_status_; }
CryptoSessionId oec_session_id() { return oec_session_id_; }
CdmSessionId cdm_session_id() { return cdm_session_id_; }
// Key request/response
void GenerateRequestId(std::string& req_id_str);
bool PrepareRequest(const std::string& key_deriv_message,
std::string* signature,
bool is_provisioning);
bool is_provisioning, std::string* signature);
bool PrepareRenewalRequest(const std::string& message,
std::string* signature);
bool LoadKeys(const std::string& message,
const std::string& signature,
const std::string& mac_key_iv,
const std::string& mac_key,
int num_keys,
const CryptoKey* key_array);
bool LoadKeys(const std::string& message, const std::string& signature,
const std::string& mac_key_iv, const std::string& mac_key,
int num_keys, const CryptoKey* key_array);
bool LoadCertificatePrivateKey(std::string& wrapped_key);
bool RefreshKeys(const std::string& message,
const std::string& signature,
int num_keys,
const CryptoKey* key_array);
bool RefreshKeys(const std::string& message, const std::string& signature,
int num_keys, const CryptoKey* key_array);
bool GenerateNonce(uint32_t* nonce);
bool GenerateDerivedKeys(const std::string& message);
bool GenerateDerivedKeys(const std::string& message,
@@ -58,7 +63,6 @@ class CryptoSession {
const std::string& signature,
const std::string& nonce,
const std::string& enc_rsa_key,
size_t enc_rsa_key_length,
const std::string& rsa_key_iv,
std::string* wrapped_rsa_key);
@@ -74,33 +78,34 @@ class CryptoSession {
size_t decrypt_buffer_offset,
bool is_video);
private:
static const size_t kSignatureSize = 32; // size for HMAC-SHA256 signature
bool GetRandom(uint8_t* random_data, size_t data_length);
private:
void Init();
void Terminate();
void GenerateMacContext(const std::string& input_context,
std::string* deriv_context);
void GenerateEncryptContext(const std::string& input_context,
std::string* deriv_context);
bool GenerateSignature(const std::string& message,
std::string* signature,
bool use_rsa);
bool GenerateSignature(const std::string& message, bool use_rsa,
std::string* signature);
size_t GetOffset(std::string message, std::string field);
bool SetDestinationBufferType();
bool valid_;
static const size_t kSignatureSize = 32; // size for HMAC-SHA256 signature
static Lock crypto_lock_;
static bool initialized_;
static int session_count_;
bool open_;
CdmSessionId cdm_session_id_;
CryptoSessionId oec_session_id_;
CryptoResult session_status_;
OEMCryptoBufferType destination_buffer_type_;
bool is_destination_buffer_type_valid_;
CryptoKeyMap keys_;
CORE_DISALLOW_COPY_AND_ASSIGN(CryptoSession);
};
}; // namespace wvcdm
}; // namespace wvcdm
#endif // CDM_BASE_CRYPTO_SESSSION_H_