ITU-T X.690 (08/2015) / ISO/IEC 8825-1:2015 (as amended) — Information technology — ASN.1 Encoding Rules: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER) [ITU-T X.690 (08/2015) / ISO/IEC 8825-1:2015] | SpecAtlas