DSA public key certificate

I would like to use a DSA key pair for signing messages.  When the public key is given to the other party that will be validating the signature, I would like for it to be stored in a CryptLib public key database.  As I understand it, in order to store a public key in a CryptLib public key database it must be formatted as a certificate.
 
I am getting an error when I attempt to use the simple certificate creation.  The cryptSignCert function is returning error code -26 (CRYPT_ERROR_INVALID).
 
result = cryptCreateCert(&cryptCert, CRYPT_UNUSED, CRYPT_CERTTYPE_CERTIFICATE);
result = cryptSetAttribute(cryptCert, CRYPT_CERTINFO_XYZZY, 1);
result = cryptSetAttribute(cryptCert, CRYPT_CERTINFO_SUBJECTPUBLICKEYINFO, cryptContext);
result = cryptSetAttributeString(cryptCert, CRYPT_CERTINFO_COMMONNAME, commonName.c_str(), commonName.length());
result = cryptSignCert(cryptCert, cryptContext);
 
Since this is not the way to create the public key certificate two questions have come to mind.  First, can I create a public key certificate for a DSA public key?  Second, if so,  what is the correct way to do it?
 
Thanks!

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