DragonFly On-Line Manual Pages
TCG Software Stack Developer's Reference
Tspi_DAA_IssueCredential - issue a DAA credential for a TCG platform
Tspi_DAA_IssueCredential is part of the DAA Issuer component. It's the
last function out of 2 in order to issue a DAA Credential for a TCG
Platform. It detects rogue TPM according to published rogue TPM DAA
keys. This is an optional function and does not require a TPM or a
The hDAA parameter is used to specify the handle of the DAA object.
The attributesIssuerLength parameter is the length of the attributesIs-
suer array, which is determined by the DAA Issuer public key (li). The
length of a single attribute is if/8.
The attributesIssuer parameter is the array of attributes to be encoded
into the DAA Credential visible to the DAA Issuer .
The credentialRequest parameter is the credential request of the Plat-
form, it contains the blinded DAA public key of the platform on which
the DAA Issuer will issue the credential the blinded attributes chosen
by the Platform.
The joinSession parameter is the structure containing the DAA Join ses-
The credIssuer parameter is the structure containing the DAA Credential
issued by the DAA Issuer, the proof of correctness of the credential
and the attributes chosen by the DAA Issuer.
Tspi_DAA_IssueCredential returns TSS_SUCCESS on success, otherwise one
of the following values is returned:
An internal SW error has been detected.
The authentication proof of the TPM is incorrect.
The TPM is rogue.
The proof of the credential request is incorrect.
Tspi_DAA_IssueCredential conforms to the Trusted Computing Group Soft-
ware Specification version 1.2
TSS 1.2 2006-09-04 Tspi_DAA_IssueCredential(3)