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bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 3.1 Definitions | For the purposes of the present document, the terms and definitions given in TS 102 825-1 [6] apply. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 3.2 Abbreviations | For the purposes of the present document, the abbreviations given in TS 102 825-1 [6] apply. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 4 The CPCM System | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 4.1 General | The CPCM System provides an interoperability platform for the protection and management of "commercial" content, i.e. not user-created content, in the consumer environment. The CPCM Reference Model (TS 102 825-2 [i.3]) and the CPCM Abbreviations, Definitions and Terms (TS 102 825-1 [6]) provide the foundation upon whic... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 4.2 CPCM Security toolbox | The CPCM Security Toolbox is the set of cryptographic algorithms and methods that enables the protection of CPCM Content, as required by the provider of that content, throughout its lifetime within the CPCM System. The set of CPCM security tools in the toolbox do not provide any alternative methods for performing any p... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 4.3 CPCM Authorized Domain Management | CPCM Authorized Domain Management (ADM) comprises the rules and principles of operation of Authorized Domains in the CPCM System. It defines how CPCM Authorized Domains are created and administered, and how CPCM Devices and CPCM Instances relate to the concept of the CPCM Authorized Domain and manage their AD membershi... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 4.4 CPCM System versioning | CPCM System versioning is facilitated by the maintenance of a global CPCM_version parameter, stored in the CPCM Instance Certificate, in the CPCM Content Licence, in the CPCM Usage State Information (USI) structure, and in the CPCM Revocation List data structures. CPCM System deployments that comply with the present sp... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 4.5 CPCM Device physical interfaces | The generic part of the CPCM System Specification does not specify any particular CPCM Device physical interfaces. Rather, they are specified either implicitly or explicitly in the CPCM System adaptations. For this purpose the CPCM System Specification makes the distinction between two types of CPCM Device physical int... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 4.6 CPCM Instance Logical Interfaces | Figure 1 shows the set of CPCM Device logical interfaces, mapped from the CPCM Reference Model, applied to two hypothetical CPCM Devices for the purpose of illustration. CPCM Device physical interfaces are differentiated as described in clause 4.5. A nominal generic home network physical interface is shown in a lighter... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5 CPCM Data Types | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.1 General | This clause contains the normative definitions of the set of data types required for the CPCM System. These definitions are valid for all deployments of the CPCM System, i.e. all adaptations to home network ecosystems and application-specific physical interfaces shall implement whichever of these data type definitions ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.2 Basic types | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.2.1 CPCM witness | CPCM_witness is a 1024-bit number used for CPCM Trust Establishment and AKE. The method of calculation of this parameter is defined in TS 102 825-5 [7]. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.2.2 CPCM trust check | CPCM_trust_check is a 160-bit number used for CPCM Trust Establishment and AKE. The method of calculation of this parameter is defined in TS 102 825-5 [7]. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.2.3 CPCM Message Authentication Code (MAC) | CPCM_MAC (Message Authentication Code) is a 160-bit number used to authenticate CPCM protocol messages. A CPCM MAC can be derived either from the SAC session key or from the AD Secret. The algorithm applied for the generation of MAC is defined in TS 102 825-5 [7]. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.2.4 CPCM AD secret | CPCM_AD_secret is a 128-bit number that is the unique, permanent secret for the Authorized Domain. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.2.5 Signed CPCM Instance Certificate | Signed_CPCM_Instance_Certificate is a 2048-bit number representing the CPCM Instance Certificate, as defined in TS 102 825-5 [7]. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.2.6 CPCM playback period | CPCM_playback_period is a 16-bit number representing a number of 15-minute periods. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.3 CPCM identifiers | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.3.1 CPCM Instance identifier | The CPCM_instance_id is a 64-bit number assigned to each CPCM Instance by the manufacturer. Its purpose is to securely bind the CPCM Instance Certificate to its CPCM Instance. Device manufacturers can freely assign CPCM Instance identifiers, but each CPCM Instance identifier shall be unique. |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.3.2 CPCM Certificate identifier | The CPCM Certificate Identifier is a unique number assigned to each CPCM Certificate associated with a CPCM Instance, based on the IEEE 64-bit Extended Unique Identifier (EUI-64), which consists of the 24-bit company_id of the issuer of the CPCM Certificate, assigned by the IEEE Registration Authority committee (RAC) [... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.3.3 CPCM Authorized Domain Identifier | The CPCM Authorized Domain Identifier (ADID) is a 72-bit unique number used to identify an Authorized Domain. The method of ADID allocation is defined in TS 102 825-7 [8]. The value of ADID set to zero is reserved to mean "not an AD member" so this value shall not be assigned as an ADID. ETSI ETSI TS 102 825-4 V1.2.1 (... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.3.4 CPCM Content Licence Identifier | CPCM_content_licence_identifier (CLID) is a 128-bit number that provides a link between the CPCM Content Licence and the associated CPCM Content item within the CPCM System. The CLID is generated upon Acquisition of the corresponding CPCM Content item. Since there is no global registration foreseen for CPCM Content Lic... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4 CPCM data structures | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.1 CPCM date and time | CPCM_date_time is a structure containing an absolute date and time setting. The format is as defined for use in DVB Service Information (EN 300 468 [1]). Table 3 shows the format of CPCM_date_time based on this definition. Table 3: CPCM Date and Time Syntax Bits Identifier CPCM_date_time(){ MJD 16 uimsbf UTC 24 uimsbf ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.2 CPCM Instance Certificate Body | Table 4 shows the format of the CPCM Instance Certificate body. The total length of the CPCM Instance Certificate body is 896 bits. Table 4: Unsigned CPCM Instance Certificate Syntax Bits Identifier CPCM_instance_certificate_body(){ CPCM_version = 0x01 8 uimsbf CPCM_instance_id 64 bslbf CPCM_instance_certificate_id 64 ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.3 CPCM Instance Certificate chain | CPCM_instance_certificate_chain is a variable length structure containing, in principle, a concatenation of up to 15 chained CPCM Instance Certificates (CIC). Its structure shall be such that the first CIC contained is the leaf certificate and each further certificate contained is the parent certificate of the precedin... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.4 CPCM Content Licence | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.4.1 General | The CPCM Content Licence is a variable-length structure, with two possible optional fields, as shown in table 6. Due to the variability in length of the mandatory fields RL_index_list and usage_state_information, the length field is included to enable easier parsing of the Content Licence from the end of its contents. ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.4.2 CPCM Descrambler information | The CPCM Descrambler Information is a 7-bit field set by the Acquisition Point to indicate which CPCM Scrambler parameters have been applied to the associated CPCM Content item. This information is necessary for content descrambling. Table 7 shows the format of the CPCM Descrambler Information. Table 7: CPCM Descramble... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.4.3 CPCM Usage State Information | CPCM Usage State Information (USI) is CPCM Content metadata that signals the Authorized Usage for each CPCM Content item. The set of CPCM USI is defined in detail in TS 102 825-3 [10]. Table 8 shows the structure of CPCM USI. Table 8: CPCM USI Syntax Bits Identifier CPCM_usage_state_information(){ length 8 uimsbf copy_... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.5 CPCM delivery signalling | CPCM delivery signalling is CPCM Content metadata that signals the Authorized Usage to be applied to CPCM Content during Acquisition. Carriage of CPCM delivery signalling is defined in detail in TS 102 825-9 [5]. Table 12 shows the structure of CPCM delivery signalling. Table 12: Version 1 CPCM delivery signalling Synt... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.6 CPCM status information | The CPCM_status_information structure is used to communicate the status of a CPCM Instance as a result of a request from another CPCM Instance. It is a structure containing a collection of static information duplicated from the CPCM Instance Certificate (CIC), defined in clause 5.4.2, and the status of dynamic ADM-rela... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.7 CPCM Content handling operation | The CPCM_content_handling_operation structure is used to signal the application of one or more of the five CPCM content handling operations (APECS), as defined in the CPCM Reference Model (TS 102 825-2 [i.3]). Table 14 shows the structure of CPCM Content Handling Operation. Table 14: CPCM Content handling operation Syn... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.8 CPCM Revocation List | Table 15 shows the format of the CPCM Revocation List. Table 15: Revocation List format Syntax Bits Identifier CPCM_revocation_list(){ CPCM_version 8 uimsbf RL_index 32 uimsbf C_and_R_regime_mask 8 bslbf certificate_generation_index 8 uimsbf for(i=0; i<certificate_generation_index; i++){ certificate_generation_RL_index... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.9 CPCM Auxiliary Data | The CPCM_auxiliary_data structure is used to carry CPCM Auxiliary Data as shown in table 16. The CPCM Auxiliary Data structure is securely bound to the CL but transported independently as specified in table 16. Table 16: CPCM Auxiliary Data structure Syntax Bits Identifier CPCM_auxiliary_data(){ content_licence_identif... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.10 CPCM geographic location information | The CPCM geographic information structure carries the geographic area to which MGAD or VGAD restriction applies. Its structure is shown in table 18. Table 18: CPCM geographic location information structure Syntax Bits Identifier CPCM_geographic_location_information(){ geo_location_format 8 CPCM_geo_location_format_code... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.11 CPCM geographic location formats list | The CPCM_geographic_location_formats_list structure carries a list of geographic location format identifiers, as shown in table 20. Table 20: CPCM geographic format codes list structure Syntax Bits Identifier CPCM_geographic_format_codes_list(){ format_code_count 8 uimsbf for (i=0; i<format_code_count; i++){ CPCM_geogr... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.12 CPCM geographic area format | The CPCM_geographic_area structure carries a list of geographic location, as shown in table 21. ETSI ETSI TS 102 825-4 V1.2.1 (2011-02) 35 Table 21: CPCM geographic area structure Syntax Bits Identifier CPCM_geographic_area(){ location_count 8 uimsbf for (i=0; i<location_count; i++){ CPCM_geographic_location_informatio... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.13 Other CPS Export data | The other_CPS_export_data structure carries data that is specific to another CPS to which CPCM Content can be Exported. Its structure is shown in table 22. CPCM Instances that do not implement the indicated other CPS shall ignore the associated private data. Table 22: Other CPS export data structure Syntax Bits Identif... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.14 CPCM rights issuer URL | The CPCM_rights_issuer_URL structure carries the URL (Uniform Resource Locator) where additional Authorized Usage rights for the associated Content Item can be obtained. Its structure is shown in table 23. Table 23: CPCM rights issuer URL structure Syntax Bits Identifier CPCM_rights_issuer_URL(){ URL_length 8 uimsbf fo... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.15 CLC private data | The CLC_private_data structure carries data that is specific to a proprietary system, for example the CA system from which the CPCM Content Item was Acquired. Its structure is shown in table 24. CPCM Instances that do not implement the indicated CA system shall ignore the associated private data. Table 24: CLC private ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.16 Revocation List locator | The RL_locator structure carries location information about a given Revocation List. The interpretation of the location is dependent about the home network ecosystem adaptation layer and described in TS 102 825-9 [5]. Its structure is shown in table 25. Table 25: CPCM Revocation List locator structure Syntax Bits Ident... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.17 AD name | The AD_name structure is used to store the name of an Authorized Domain (AD) as shown in table 26. Table 26: AD name structure Syntax Bits Identifier AD_name(){ reserved 3 bslbf AD_name_length 5 uimsbf for (i=0; i<AD_name_length; i++){ char 8 bslbf } } Semantics for AD_name: The reserved bits shall be set to zero. Futu... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.18 AD capability | The AD_capability structure carries the replication of the five AD and ADM capability fields of the CPCM Instance Certificate, in the same order as in the certificate, as shown in table 27. Table 27: AD capability structure Syntax Bits Identifier AD_capability(){ reserved 3 bslbf AD_aware 1 bslbf ADM_capable 1 bslbf AD... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.19 ADSE values | The ADSE_values structure, shown in table 28, carries the current state of the ADSE variables associated with an AD. Each of these variables is defined in the ADM specification (TS 102 825-7 [8]). Table 28: ADSE values structure Syntax Bits Identifier ADSE_values(){ total_count 16 uimsbf total_ceiling 16 uimsbf remote_... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.20 DC ADSE value list | The DC_ADSE_values_list structure carries a list of Domain Controllers and their respective ADSE values structures, as shown in table 29. Table 29: DC ADSE Values list structure Syntax Bits Identifier DC_ADSE_values(){ DC_count 8 uimsbf for (i=0; i<DC_count; i++){ DC_id 64 CPCM_instance_certificate_id DC_ADSE_values() ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.21 DC Local identifiers list | This structure is used to carry a list of Domain Controller (DC) local identifiers, as shown in table 30. Table 30: DC Local identifiers list information element structure Syntax Bits Identifier DC_local_id_list(){ local_id_count 8 uimsbf for (i=0; i<local_id_count; i++){ DC_local_id 8 uimsbf } } Semantics for DC_local... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.22 AD internal record | The AD_internal_record structure is used to carry an AD internal record. Table 31: Domain Internal Record Information Element Structure Syntax Bits Identifier AD_internal_record(){ ADID 72 bslbf AD_controller_id 64 CPCM_instance_certificate_id AD_controller_local_id() 8 bslbf internal_record_index 16 uimsbf ADSE_values... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.23 AD internal record list | The AD_internal_record_list structure is used to carry a list of Domain internal records. Table 32: Merged DC Local identifiers list information element structure Syntax Bits Identifier AD_internal_record_list(){ internal_record_count 8 uimsbf for (i=0; i< count_internal_record; i++){ internal_record() AD_internal_reco... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.24 CPCM extension data element | This structure allows data to be sent to a CPCM Extension. Table 33: CPCM extension data element structure Syntax Bits Identifier CPCM_extension_element(){ CPCM_extension_identifier 16 bslbf CPCM_extension_data_length 16 uimsbf CPCM_extension_data } Semantics for CPCM_extension_element: CPCM_extension_identifier: The i... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.25 Private element structure | This structure, if present, allows specific implementations to add message elements that are not part of the CPCM specification. Table 34: Private data element structure Syntax Bits Identifier private_element(){ private_element_identifier 32 uimsbf private_element_data_length 16 uimsbf private_element_data } ETSI ETSI ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.26 Key Recovery Information structure | This structure, if present in auxiliary data, allows an Authorized Authenticated Agent to recover content scrambling keys. The format and actual mechanism to used by the Authorized Authenticated Agent to recover the key is decided by the AAA and thus out of the scope of the present document. Table 35: Key recovery info... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 5.4.27 External scrambling information structure (optional) | This structure, if present in auxiliary data, allows passing to an Acquisition Point the necessary key material to descramble and possibly CPCM scramble the content. More information on how to use thisfield is given in TR 102 825-12 [i.6]. Table 36: Broadcast scrambling key structure Syntax Bits Identifier broadcast_sc... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6 CPCM protocols | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.1 General | This clause provides a normative, generic specification of the protocols needed to implement the CPCM System. Clause 6.2 defines the generic CPCM protocol message framework, which includes a facility for protocol transactions. The set of CPCM protocols is divided into several categories for convenience, according to th... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2 CPCM protocol message framework | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.1 General | This clause defines the generic CPCM protocol messaging framework upon which all message-based implementations of the CPCM protocols are based. A CPCM protocol corresponds to a function, or transaction, to be performed within the CPCM System. A CPCM protocol may consist of one or more CPCM protocol steps, which corresp... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.2 CPCM protocol message | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.2.1 General | CPCM protocol message is the generic structure used to exchange information between two CPCM Instances. This generic structure is used to define the CPCM protocols in the form of dedicated messages corresponding to each CPCM protocol step. The generic structure of CPCM protocol message is shown in table 39. The default... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.2.2 Conditional elements | The conditional_elements structure is used to carry additional mandatory data fields within CPCM protocol messages as defined for each individual CPCM protocol message where they are needed. Possible conditional elements are systematically given in each message structure definition. Table 40: Conditional Elements Struc... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.2.3 Optional elements | In general, the format of any given field or structure shall remain unchanged for all future versions of the present document. Where it is necessary to carry additional information, new fields or structures shall be defined for this purpose and included in the optional elements structure where necessary. Optional eleme... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.2.4 Element identifiers | Whenever it is necessary to carry one or more elements in either the conditional, or optional elements structures, the carried elements shall be identified by the element identifiers as listed in table 42. Table 42: CPCM protocol element identifiers Element Identifier Element Name Bits Identifier Description 1 ADID 72 ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.2.5 CPCM protocol message type | The CPCM protocol message type is a 16-bit code that identifies the protocol call of the message packet in which it appears. The CPCM protocol message type is structured such that the first 8 bits denote the message category and the last 8 bits the protocol call within that category, as shown in table 43. Table 43: CPC... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.2.6 Control field | The control_field structure contains flags that indicate which CPCM security tools have been applied to protect the message. Table 45 shows the structure of control_field. Table 45: Control field Syntax Bits Identifier control_field(){ reserved 4 bslbf payload_signed_SAC 1 bslbf payload_signed_ADS 1 bslbf payload_encry... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.3 Generic atomic transaction | Some CPCM protocols require the use of a transaction mechanism, so that a CPCM protocol can be backed out if an error occurs at any step in the protocol. A multi-phase 'prepare and commit' transaction mechanism is defined for this purpose. Table 46: Generic atomic transaction message types Message type Function and use... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.4 CPCM protocol timeouts | The CPCM System specification does not define any maximum time during which a CPCM Instance shall wait for a response to a message. This is left to implementation choice. Waiting duration is likely to vary regarding the nature of the sent or broadcasted message and consequently the possible actions the peer CPCM Instan... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.2.5 CPCM protocol bridging | The CPCM System is agnostic as regards network and interface technologies, but any deployment of CPCM must apply at least one of the CPCM System adaptation layers for home network ecosystems (see TS 102 825-9 [5]) or application-specific physical interfaces (see TS 102 825-9 [5]). If a CPCM Device deploys more than one... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.3 General CPCM protocol messages | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.3.1 General | The category of general CPCM protocol messages consists of: • CPCM protocol error message; and • CPCM protocol transaction rollback message. Table 47 lists the protocol-specific message codes for general CPCM protocol messages. Table 47: General CPCM protocol message codes Message code Message 0x00 reserved 0x01 CPCM_e... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.3.2 CPCM protocol error | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.3.2.1 General | void CPCM_protocol_error_message ( CPCM_protocol_message_type message_type_request, error_code error, [delegating_instance_id] delegating_id ); CPCM_protocol_error_message is a generic CPCM protocol message that is used to indicate an error condition upon a previously received CPCM protocol message. Table 48 shows the ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.3.2.2 CPCM protocol generic error codes | Error codes in response to a CPCM protocol message request are divided into two categories - generic error codes valid alike for all CPCM protocols, and protocol-specific error codes. The values zero to 31 (0x1F) for error_code are reserved for generic error codes. The values of 32 to 255 (0x20 to 0xFF) are reserved fo... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.3.3 CPCM protocol transaction rollback | void CPCM_protocol_transaction_rollback_message ( CPCM_protocol protocol, error_code error, [delegating_instance_id] delegating_id, [SAC_secret_signature] ); This message shall be sent by any Instance involved in a transaction in the case of an error or rejection. This can occur either before or after a SAC has been es... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4 CPCM security control protocols | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.1 General | The CPCM Security Control (SEC) protocols consist of the following functions, specified in the following clauses: • CPCM Authenticated Key Exchange (AKE) (or SAC establishment). • CPCM AD Secret management. Table 53 lists the protocol-specific message codes for CPCM Security Control (SEC). Table 53: CPCM security contr... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2 SAC establishment | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.1 General | The CPCM AKE protocol enables two CPCM Instances (A and B) to authenticate each other according to the algorithms, defined in TS 102 825-5 [7], and to establish a Secure Authenticated Channel, whereby nominal CPCM Instance A initiates the AKE process with nominal CPCM Instance B. Figure 11 shows the protocol sequence f... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.2 CPCM AKE initiation | void CPCM_AKE_init_message ( CPCM_witness witness_A, CPCM_instance_certificate_chain certificate_chain_A ); Table 55 specifies the CPCM protocol message for CPCM AKE initiation. ETSI ETSI TS 102 825-4 V1.2.1 (2011-02) 61 Table 55: CPCM AKE initiation Syntax Bits Identifier CPCM_AKE_init_message(){ CPCM_protocol_message... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.3 CPCM AKE commit | void CPCM_AKE_commit_message ( CPCM_witness witness_B, CPCM_instance_certificate_chain certificate_chain_B, CPCM_trust_check check_B ); Table 57 specifies the CPCM protocol message for CPCM AKE commit. Table 57: CPCM AKE commit Syntax Bits Identifier CPCM_AKE_commit_message(){ CPCM_protocol_message_type = 0x0102 16 bsl... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.4 CPCM AKE renew | void CPCM_AKE_renew_message ( CPCM_witness witness_A, CPCM_instance_certificate_id instance_id_A ); Table 59 specifies the CPCM protocol message for CPCM AKE renew. Table 59: CPCM AKE renew Syntax Bits Identifier CPCM_AKE_renew_message(){ CPCM_protocol_message_type = 0x0103 16 bslbf control_field = 0x00 8 bslbf message... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.5 CPCM AKE commit renew | void CPCM_AKE_commit_renew_message ( CPCM_witness witness_B, CPCM_instance_certificate_id instance_id_B, CPCM_trust_check check_B ); Table 61 specifies the CPCM protocol message for CPCM AKE commit renew. Table 61: CPCM AKE commit renew Syntax Bits Identifier CPCM_AKE_renew_message(){ CPCM_protocol_message_type = 0x010... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.6 CPCM AKE confirm | void CPCM_AKE_confirm ( CPCM_trust_check check_A ); Table 63 specifies the CPCM protocol message for CPCM AKE confirm. Table 63: CPCM AKE Confirm Syntax Bits Identifier CPCM_AKE_confirm_message(){ CPCM_protocol_message_type = 0x0105 16 bslbf control_field = 0x00 8 bslbf message_payload_length 16 uimsbf check_A 160 CPCM... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.7 CPCM AKE confirm response | void CPCM_AKE_confirm_response_message ( void ); Table 65 specifies the CPCM protocol message for CPCM AKE confirm response. Table 65: CPCM AKE confirm response Syntax Bits Identifier CPCM_AKE_confirm_response_message(){ CPCM_protocol_message_type = 0x0106 16 bslbf control_field = 0x08 8 bslbf message_payload_length 16... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.2.8 CPCM AKE terminate | void CPCM_AKE_terminate_message ( void ); Table 66 specifies the CPCM protocol message for CPCM AKE terminate. Table 66: CPCM AKE Terminate Syntax Bits Identifier CPCM_AKE_termninate_message(){ CPCM_protocol_message_type = 0x0107 16 bslbf control_field = 0x08 8 bslbf message_payload_length 16 uimsbf SAC_secret_signatur... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.3 CPCM AD Secret management | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.3.1 General | The CPCM AD secret management protocol is used in the following circumstances: • to provide the AD secret to a CPCM Instance that has successfully joined an AD, as shown in figure 14; and • to ensure that the AD secret has been erased by a CPCM Instance that has left the AD, as shown in figure 15. Figure 14: AD Secret ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.3.2 Deliver AD Secret | void deliver_AD_secret_message { AD_secret secret }; The deliver_AD_secret_message is used to provide the AD Secret to a CPCM Instance that has joined an AD. ETSI ETSI TS 102 825-4 V1.2.1 (2011-02) 66 Table 68: Deliver AD secret message Syntax Bits Identifier deliver_AD_secret_message(){ CPCM_protocol_message_type = 0x... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.3.3 Deliver AD Secret response | void deliver_AD_secret_response_message ( void ); The deliver_AD_secret_response_message is used by the newly joined CPCM Instance to confirm the delivery of the AD Secret. Table 70: Deliver AD Secret response message Syntax Bits Identifier deliver_AD_secret_reponse_message(){ CPCM_protocol_message_type = 0x109 16 bslb... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.3.4 Erase AD Secret | void erase_AD_secret_message ( void ); The erase_AD_secret_message is used to command a CPCM Instance that has left an AD to erase the AD Secret for that AD. Table 71: Erase AD secret message Syntax Bits Identifier erase_AD_secret_message(){ CPCM_protocol_message_type = 0x010A 16 bslbf control_field = 0x08 8 bslbf mess... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.4.3.5 Erase AD Secret response | void erase_AD_secret_response_message ( void ); The erase_AD_secret_response_message is used to confirm the erasure of the AD Secret. Table 73: Erase AD secret response message Syntax Bits Identifier erase_AD_secret_response_message(){ CPCM_protocol_message_type = 0x010B 16 bslbf control_field = 0x08 8 bslbf message_pa... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5 CPCM System and Content Management Protocols | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.1 General | The CPCM System and Content Management (SYS) protocols consist of the following functions, specified in the following clauses: • CPCM Discovery protocol. • CPCM Instance status enquiry. • CPCM Content Licence exchange. • CPCM Content operation permission. • CPCM Content Item status enquiry. • CPCM Device proximity chec... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.2 CPCM instance status | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.2.1 General | This protocol is used by a CPCM Instance to enquire the current status of another CPCM Instance. The CPCM status enquiry response contains static information from the CPCM Instance Certificate and dynamic information like ADM status variables (if applicable). The CPCM status enquiry protocol is shown in figure 16. ETSI... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.2.2 CPCM Instance status enquiry | void CPCM_instance_status_enquiry_message ( void ); Table 76 specifies the CPCM protocol message for CPCM Instance status enquiry. Table 76: CPCM Instance status enquiry Syntax Bits Identifier CPCM_instance_status_enquiry_message(){ CPCM_protocol_message_type = 0x4001 16 bslbf control_field = 0x00 8 bslbf message_paylo... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.2.3 CPCM Instance status enquiry response | void CPCM_instance_status_enquiry_response_message ( CPCM_status_information instance_CPCM_status, ADM_status_information instance_ADM_status ); Table 77 specifies the CPCM protocol message for CPCM Instance status enquiry response. Table 77: CPCM Instance status enquiry response Syntax Bits Identifier CPCM_instance_st... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.3 CPCM Content Licence exchange | |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.3.1 General | CPCM Content Licence (CL) exchange can be performed in two different ways, namely in CL pull or push modes. CPCM_get_CL (pull mode) is used when CPCM Instance wishing to receive a CPCM Content item requests the associated CPCM Content Licence for that Content item from the CPCM Instance advertising the availability of ... |
bd3d0428f407f7867a0c202a7c97ce88 | 102 825-4 | 6.5.3.2 CPCM get Content Licence | void CPCM_get_CL_message ( CPCM_content_licence_id cl_id, CPCM_content_handling_operation operation [CPCM_instance_certificate_id_sink] sink_instance ); Table 78 specifies the CPCM protocol message for CPCM get Content Licence. Table 78: CPCM get Content Licence Syntax Bits Identifier CPCM_get_CL_message(){ CPCM_protoc... |
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