The HashAlgorithm property refers only to the signature hash algorithm used to sign the PKCS 10. It is not to be confused with the hash algorithm used to sign the certificate. The enrollment control currently only supports SHA1 (the default), MD5, and MD2.
"SHA1" (the default)
[C++] HRESULT get_HashAlgorithm (BSTR);
HRESULT put_HashAlgorithm (BSTR);
|S_OK||The property read/write completed successfully.|