NAME

CL_CertGetKeyInfo

SYNOPSIS

CSSM_KEY_PTR CSSMCLI CL_CertGetKeyInfo
    (CSSM_CL_HANDLE CLHandle,
    const CSSM_DATA_PTR Cert)

DESCRIPTION

This function obtains information about the certificate's public key. Ideally, this information comprises the key fields the application needs to create a cryptographic context that uses this certificate's key.

PARAMETERS

CLHandle (input)

The handle that describes the add-in certificate library module used to perform this function.

Cert (input)

A pointer to the CSSM_DATA structure containing the certificate from which to extract the public key information.

RETURN VALUE

A pointer to the CSSM_KEY structure containing the public key and possibly other key information. If the pointer is NULL, an error has occurred. Use CSSM_GetError to obtain the error code.

ERRORS

CSSM_CL_INVALID_CL_HANDLE

Invalid Certificate Library Handle.

CSSM_CL_INVALID_DATA_POINTER

Invalid pointer input.

CSSM_CL_UNKNOWN_FORMAT

Unrecognized certificate format.

CSSM_CL_UNKNOWN_TAG

Unknown field tag.

CSSM_CL_MEMORY_ERROR

Not enough memory.

CSSM_CL_CERT_GET_KEY_INFO_FAIL

Unable to get key information.

SEE ALSO

CL_CertGetFirstFieldValue