ideas for utility library

[williamcroberts]

• Routines to convert from PEM files to TPM structures and back
  • Including key blob format for the engine
• routine for populating a TPM2B_PUBLIC with the provisioning spec details:
  • https://trustedcomputinggroup.org/wp-content/uploads/TCG-TPM-v2.0-Provisioning-Guidance-Published-v1r1.pdf
  • https://trustedcomputinggroup.org/wp-content/uploads/Credential_Profile_EK_V2.0_R14_published.pdf

[AndreasFuchsTPM]

From #1567

const char * _alg_id_to_string (TPM2_ALG_ID hash_kind)
uint32_t _alg_id_get_size (TPM2_ALG_ID hash_kind)

[AndreasFuchsTPM]

TPM2B_Private from PEM and pfx Mergeing Public keys (PEM, DER, CRT) into existing TPM2B_Publics