The specification should be clear on the ISO 3166 requirement for the country code in the issuer claim. My suggestion is ISO 3166-1 alpha-2. If you need to match this country code against the C RDN of a certificate the two-letter variant is necessary.
The specification should be clear on the ISO 3166 requirement for the country code in the issuer claim. My suggestion is ISO 3166-1 alpha-2. If you need to match this country code against the C RDN of a certificate the two-letter variant is necessary.