simrs-iso7816

simrs-iso7816

ISO/IEC 7816 APDU types, CLA parsing, status words, instruction constants.

Layer: Foundation | no_std: yes | Status: Implemented

Standards

Spec	Clause	Coverage
ISO/IEC 7816-4:2020	5	APDU structure, status words
ETSI TS 102 221 V18.3.0	10.1.1	CLA byte, command set
GSM 11.11 v4.21.1	9	GSM CLA=A0

Dependencies

None (leaf crate).

Dependents

Crate	Uses
simrs-fs	File selection, FCP construction
simrs-pin	VERIFY/UNBLOCK status words
simrs-proactive	FETCH/ENVELOPE INS codes
simrs-gsm	GSM APDU dispatch
simrs-usim	3GPP APDU dispatch
simrs-sim	Top-level event routing
simrs-transport	Transport trait types
simrs-peripheral	Peripheral trait types
simrs-hle	C-ABI APDU exchange
simrs-fuzz	APDU-aware mutation

API

• Command::parse(&[u8]) -> Result<Command, ApduError> -- zero-copy APDU parser
• StatusWord enum -- 16 variants with const fn encode/decode
• ClassByte enum -- interindustry vs proprietary routing
• ins::* -- 19 instruction code constants

Specs

• BDD: specs/iso7816.feature
• Architecture
• Standards map