TP_CrlVerify
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SYNOPSIS
# include <cssm.h>
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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 certificates to be verified. If no certificate library module is specified, the TP module uses an assumed CL module, if required. | ||||||
| CSPHandle (input/optional) | ||||||
The handle referencing a Cryptographic Service Provider to be used to verify signatures on the signer's certificate and on the CRL. The TP module is responsible for creating the cryptographic context structure required to perform the verification operation. If no CSP is specified, the TP module uses an assumed CSP to perform the operations. | ||||||
| CrlToBeVerified (input) | ||||||
A pointer to the CSSM_DATA structure containing a signed certificate revocation list to be verified. The CRL type and encoding are included in this structure. | ||||||
| SignerCertGroup (input) | ||||||
A pointer to the CSSM_CERTGROUP structure containing one or more related certificates that paretially or fully represent the signer of the certificate revocation list. The first certificate in the group is the target certificate representing the CRL signer. Use of subsequent certificates is specific to the trust domain. For example, in a hierarchical trust model subsequent members are intermediate certificates of a certificate chain - the caller can specify additional points of trust represented by anchor certificates in the VerifyContext. The trust policy module can use these additional points of trust in the verification process. | ||||||
| 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. 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. | ||||||
| RevokerVerifyResult (output/optional) | ||||||
A pointer to a structure containing information generation during the verification process. The information can include:
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DESCRIPTION
This function verifies the integrity of the certificate revocation list and determines whether it is trusted. The conditions for trust are part of the trust policy module. It can include conditions such as validity of the signer's certificate, verification of the signature on the CRL, the identity of the signer, the identity of the sender of the CRL, date the CRL was issued, the effective dates on the CRL, and so on.
The caller can specify additional points of trust represented by anchor certificates in the VerifyContext. The trust policy module can use these additional points of trust in the verification process.
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.
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