CHANGES - changes for libtpms

version 0.8.0
  - updated to TPM 2 code release 159
    - X509 support is enabled
      - SM2 signing of ceritificates is NOT supported
    - Authenticated timers are disabled
  - Due to fixes in the TPM 2 prime number generation code in rev155 it is not
    possible to downgrade from libtpms version 0.8.0 to some previous version.
    The seeds are now associated with an age so that older seeds use the old
    TPM 2 prime number generation code while newer seed use the newer code.

version 0.7.0
  - use OpenSSL crypto for AES, TDES, EC, and RSA operations when possible

version 0.6.0
  - added TPM 2 support (revision 150)

  - New API calls:
    - TPMLIB_CancelCommand
    - TPMLIB_ChooseTPMVersion
    - TPMLIB_SetDebugFD
    - TPMLIB_SetDebugLevel
    - TPMLIB_SetDebugPrefix
    - TPMLIB_SetBufferSize
    - TPMLIB_ValidateState
    - TPMLIB_SetState
    - TPMLIB_GetState

version 0.5.1
  first public release

  - release 7 increased NVRAM area for being able to store more data in
    the TPM's NVRAM areas, i.e., X.509 certificates

  - release 9 added two more APIs:
    - TPM_Free
    - TPMLIB_DecodeBlob