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import { isoCBOR } from './iso/index.ts';
/**
* Convert an AttestationObject buffer to a proper object
*
* @param base64AttestationObject Attestation Object buffer
*/
export function decodeAttestationObject(
attestationObject: Uint8Array,
): AttestationObject {
return _decodeAttestationObjectInternals.stubThis(
isoCBOR.decodeFirst<AttestationObject>(attestationObject),
);
}
export type AttestationFormat =
| 'fido-u2f'
| 'packed'
| 'android-safetynet'
| 'android-key'
| 'tpm'
| 'apple'
| 'none';
export type AttestationObject = {
get(key: 'fmt'): AttestationFormat;
get(key: 'attStmt'): AttestationStatement;
get(key: 'authData'): Uint8Array;
};
/**
* `AttestationStatement` will be an instance of `Map`, but these keys help make finite the list of
* possible values within it.
*/
export type AttestationStatement = {
get(key: 'sig'): Uint8Array | undefined;
get(key: 'x5c'): Uint8Array[] | undefined;
get(key: 'response'): Uint8Array | undefined;
get(key: 'alg'): number | undefined;
get(key: 'ver'): string | undefined;
get(key: 'certInfo'): Uint8Array | undefined;
get(key: 'pubArea'): Uint8Array | undefined;
// `Map` properties
readonly size: number;
};
// Make it possible to stub the return value during testing
export const _decodeAttestationObjectInternals = {
stubThis: (value: AttestationObject) => value,
};
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