drm中演算法總結

DCF

1、/* <dcf> p15, the method to encrypt "content obj" */
      DiscreteHeadersBox->commonHeaders->encryptionMethod

2、/* <dcf> p15, the method to encrypt "Content item enc key"*/
      DiscreteHeadersBox->commonHeaders->extendedHeaders->groupIdBox->gkEncryptionMethod

 

 

 

ROAP

3、/* <drm> p50, hash method, default: SHA-1(http://www.w3.org/2000/09/xmldsig#sha1) */
      Identifier->X509SPKIHash->algorithm

4、/* p54, The signature is calculated on d in accordance with the rules of the negotiated signature scheme */
      RegistrationRequest->signature

5、/* <drm> p60, MUST be SHA-1(http://www.w3.org/2000/09/xmldsig#sha1) */
      RoRequest->roInfo->singleRoInfos[i]->hashAlgorithm

6、/* SignatureType, EncryptedKeyType, only for leaveDomainTrigger */
      Trigger->signatureType
      Trigger->encKey

7、/* SignatureType */
      RoResponse->protectedRos[i]->macST

     /* SignatureType, EncryptedKeyType */
      RoResponse->protectedRos[i]->roPayload->signatureType
      RoResponse->protectedRos[i]->roPayload->encKey

8、/* EncryptedKeyType */
      JoinDomainResponse->domainInfo->domainKeys[i]->encKey

9、/* EncryptedDataType, EncryptedKeyType */
      MeteringReportSubmit->meteringReport->encryptedMeteringReport
      MeteringReportSubmit->meteringReport->encKey

 

 

 

Rights

10、/* MUST be SHA-1(http://www.w3.org/2000/09/xmldsig#sha1), <rel> p36 */
      Rights->agreement->assets[i]->digest->digestMethod

11、/* MUST be AES128 Key Wrap(http://www.w3.org/2001/04/xmlenc#kw-aes128), <rel> p35 */
      Rights->agreement->assets[i]->keyInfo2->encryptedKey->encryptionMethod