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TP_CertGroupVerify(3)
NAME
  TP_CertGroupVerify, CSSM_TP_CertGroupVerify - Determine if a certificate is
  trusted (CDSA)

SYNOPSIS
  # include <cdsa/cssm.h>

       API:
       CSSM_RETURN CSSMAPI CSSM_TP_CertGroupVerify
       (CSSM_TP_HANDLE TPHandle,
       CSSM_CL_HANDLE CLHandle,
       CSSM_CSP_HANDLE CSPHandle,
       const CSSM_CERTGROUP *CertGroupToBeVerified,
       const CSSM_TP_VERIFY_CONTEXT *VerifyContext,
       CSSM_TP_VERIFY_CONTEXT_RESULT_PTR VerifyContextResult)
       SPI:
       CSSM_RETURN CSSMTPI TP_CertGroupVerify
       (CSSM_TP_HANDLE TPHandle,
       CSSM_CL_HANDLE CLHandle,
       CSSM_CSP_HANDLE CSPHandle,
       const CSSM_CERTGROUP *CertGroupToBeVerified,
       const CSSM_TP_VERIFY_CONTEXT *VerifyContext,
       CSSM_TP_VERIFY_CONTEXT_RESULT_PTR VerifyContextResult)

LIBRARY
  Common Security Services Manager library (libcssm.so)

PARAMETERS
  TPHandle (input)
	  The handle that describes the add-in trust policy module used to
	  perform this function.

  CLHandle (input/optional)
	  The handle that describes the add-in certificate library module
	  that can be used to manipulate the subject certificate and anchor
	  certificates. If no certificate library module is specified, the TP
	  module uses an assumed CL module, if required.

  CSPHandle (input/optional)
	  The handle that describes the add-in cryptographic service provider
	  module that can be used to perform the cryptographic operations
	  required to carry out the verification. If no CSP handle is
	  specified, the TP module allocates a suitable CSP.

  CertGroupToBeVerified (input)
	  A group of one or more certificates to be verified.  The first
	  certificate in the group is the primary target certificate for
	  verification.	 Use of the subsequent certificates during the
	  verification process is specific to the trust domain.

  VerifyContext (input/optional)
	  A structure containing credentials, policy information, and
	  contextual information to be used in the verification process. All
	  of the input values in the context are optional except Action. The
	  service provider can define default values or can attempt to
	  operate without input for all the other fields of this input
	  structure. The operation can fail if a necessary input value is
	  omitted and the service module can not define an appropriate
	  default value.

  VerifyContextResult (output/optional)
	  A pointer to a structure containing information generated during
	  the verification process. The information can include:

	  Evidence	      .PP (output/optional)
	  NumberOfEvidences   .PP (output/optional)

DESCRIPTION
  This function determines whether the certificate is trusted. The actions
  performed by this function differ based on the trust policy domain. The
  factors include practices, procedures and policies defined by the
  certificate issuer.

  Typically certificate verification involves the verification of multiple
  certificates. The first certificate in the group is the target of the
  verification process. The other certificates in the group are used in the
  verification process to connect the target certificate with one or more
  anchors of trust.  The supporting certificates can be contained in the
  provided certificate group or can be stored in the data stores specified in
  the VerifyContext DBList. This allows the trust policy module to construct
  a certificate group and perform verification in one operation. The data
  stores specified by DBList can also contain certificate revocation lists
  used in the verification process. It is also possible to provide a data
  store of anchor certificates.	 Typically the points of Trust are few in
  number and are embedded in the caller or in the TPM during software
  manufacturing or at runtime

  The caller can select to be notified incrementally as each certificate is
  verified. The CallbackWithVerifiedCert parameter (in the VerifyContext) can
  specify a caller function to be invoked at the end of each certificate
  verification, returning the verified certificate for use by the caller.

  Anchor certificates are a list of implicitly trusted certificates. These
  include root certificates, cross certified certificates, and locally
  defined sources of trust. These certificates form the basis to determine
  trust in the subject certificate.

  A policy identifier can specify an additional set of conditions that must
  be satisfied by the subject certificate in order to meet the trust
  criteria.  The name space for policy identifiers is defined by the
  application domains to which the policy applies. This is outside of CSSM. A
  list of policy identifiers can be specified and the stopping condition for
  evaluating that set of conditions.

  The evaluation and verification process can produce a list of evidence.
  The evidence can be selected values from the certificates examined in the
  verification process, entire certificates from the process or other
  pertinent information that forms an audit trail of the verification
  process. This evidence is returned to the caller after all steps in the
  verification process have been completed.

  If verification succeeds, the trust policy module may carry out the action
  on the specified data or may return approval for the action requiring the
  caller to perform the action. The caller must consult TP module
  documentation outside of this specification to determine all module-
  specific side effects of this operation.

RETURN VALUE
  A CSSM_RETURN value indicating success or specifying a particular error
  condition. The value CSSM_OK indicates success. All other values represent
  an error condition.

ERRORS
  Errors are described in the CDSA technical standard.	See CDSA_intro(3).

       CSSMERR_TP_INVALID_CL_HANDLE
       CSSMERR_TP_INVALID_CSP_HANDLE
       CSSMERR_TP_INVALID_CERTGROUP_POINTER
       CSSMERR_TP_INVALID_CERTGROUP
       CSSMERR_TP_INVALID_CERTIFICATE
       CSSMERR_TP_INVALID_ACTION
       CSSMERR_TP_INVALID_ACTION_DATA
       CSSMERR_TP_VERIFY_ACTION_FAILED
       CSSMERR_TP_INVALID_CRLGROUP_POINTER
       CSSMERR_TP_INVALID_CRLGROUP
       CSSMERR_TP_INVALID_CRL_AUTHORITY
       CSSMERR_TP_INVALID_CALLERAUTH_CONTEXT_POINTER
       CSSMERR_TP_INVALID_POLICY_IDENTIFIERS
       CSSMERR_TP_INVALID_TIMESTRING
       CSSMERR_TP_INVALID_STOP_ON_POLICY
       CSSMERR_TP_INVALID_CALLBACK
       CSSMERR_TP_INVALID_ANCHOR_CERT
       CSSMERR_TP_CERTGROUP_INCOMPLETE
       CSSMERR_TP_INVALID_DL_HANDLE
       CSSMERR_TP_INVALID_DB_HANDLE
       CSSMERR_TP_INVALID_DB_LIST_POINTER
       CSSMERR_TP_INVALID_DB_LIST
       CSSMERR_TP_AUTHENTICATION_FAILED
       CSSMERR_TP_INSUFFICIENT_CREDENTIALS
       CSSMERR_TP_NOT_TRUSTED
       CSSMERR_TP_CERT_REVOKED
       CSSMERR_TP_CERT_SUSPENDED
       CSSMERR_TP_CERT_EXPIRED
       CSSMERR_TP_CERT_NOT_VALID_YET
       CSSMERR_TP_INVALID_CERT_AUTHORITY
       CSSMERR_TP_INVALID_SIGNATURE
       CSSMERR_TP_INVALID_NAME

SEE ALSO
  Books

  Intel CDSA Application Developer's Guide (see CDSA_intro(3))

  Reference Pages

Index for Section 3

Alphabetical listing for T

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