CTAP2 お勉強メモ#6 - Use Case ref: https://qiita.com/gebo/items/cfc6ceb1c7f9aa5fdad6

Assertionが1個の場合

{
  1: {"id": h'5674B3BE66FD4A14485AAE76648D0080', "type": "public-key"}, 
  2: h'0FA85A9CAE4160AFBCC898FC3A43010427EA3C6EC6CC07AA64424B31634C002E0400000071',
  3: h'3045022100AB1FB333AA1F9EE5462F08CEE64112CD701FA6416AF4278F17D822812D3C39210220375DB0A46EFCB6E938BECB6F7E66AB74254786B65A6C33F167B359578FAFEFFC', 
  // user.idしか取れない
  4: {"id": h'6765626F696400'}}
}

Assertionが複数個取れるとき

// ◆authenticatorGetAssertion(0x02) コマンド
// allowListは指定せず、uv=true
{
  1: "gebo7.com", 
  2: h'6B14FC9289B0DD6C6DA60EFEF105C2C5E7A22F7DC855D8207C862002372C1940', 
  5: {"up": false, "uv": true}, 6: h'BD9E1897A09F329D871DFA864CCF6C0F', 
  7: 1
}

// Response(Assertion)
{
  1: {"id": h'CA260112057A29ECE17D35C1EB5E2582', "type": "public-key"}, 
  2: h'BE17B417F210B91E276D243C3106CE19EF65F194BFB88C370BADC7D6A2B6CFA9040000006E', 
  3: h'3045022100DBA12EA384F9CDA425780006B2E86A5413541A3891D50404D139E4F6B32C9B93022033E61CB120EF88380EA1FF9183763766CA666819836E9561C8728255C1BF2D7F', 
  // user_gebo2
  4: {"id": h'31323334353637383900', "name": "user_gebo2", "displayName": "user_DISP_gebo2"}, 
  // ★0x05:numberOfCredentials　これがあると、Assertionがまだある、という意味
  5: 2
}

// authenticatorGetNextAssertion (0x08)コマンド
// パラメタ無し

// Response(Next Assertion)
{
  1: {"id": h'BBF556121B298B05DC4D1312C8A21D46', "type": "public-key"}, 
  2: h'BE17B417F210B91E276D243C3106CE19EF65F194BFB88C370BADC7D6A2B6CFA9040000006F', 
  3: h'304402201F6FBAA0ACA84F7F239B8F10D050495ECFF056DD9BF7E1A8331F6CB1ABB69EA2022028FA65C5D908287AF2E4205E25198801D51A1DBC1840D5CCD7CE8D5F13367098', 
  // user_gebo
  4: {"id": h'313233343536373800', "name": "user_gebo", "displayName": "user_DISP_gebo"}
}

publicKeyCredentialUserEntityがとれたときのAssertion

{
  1: {"id": h'BBF556121B298B05DC4D1312C8A21D46', "type": "public-key"}, 
  2: h'BE17B417F210B91E276D243C3106CE19EF65F194BFB88C370BADC7D6A2B6CFA9040000006F', 
  3: h'304402201F6FBAA0ACA84F7F239B8F10D050495ECFF056DD9BF7E1A8331F6CB1ABB69EA2022028FA65C5D908287AF2E4205E25198801D51A1DBC1840D5CCD7CE8D5F13367098', 
  4: {"id": h'313233343536373800', "name": "user_gebo", "displayName": "user_DISP_gebo"}
}