{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-payment-cryptography/refs/heads/main/json-schema/openapi-key-usage-schema.json",
  "title": "KeyUsage",
  "description": "KeyUsage schema from Amazon Payment Cryptography",
  "type": "string",
  "enum": [
    "TR31_B0_BASE_DERIVATION_KEY",
    "TR31_C0_CARD_VERIFICATION_KEY",
    "TR31_D0_SYMMETRIC_DATA_ENCRYPTION_KEY",
    "TR31_D1_ASYMMETRIC_KEY_FOR_DATA_ENCRYPTION",
    "TR31_E0_EMV_MKEY_APP_CRYPTOGRAMS",
    "TR31_E1_EMV_MKEY_CONFIDENTIALITY",
    "TR31_E2_EMV_MKEY_INTEGRITY",
    "TR31_E4_EMV_MKEY_DYNAMIC_NUMBERS",
    "TR31_E5_EMV_MKEY_CARD_PERSONALIZATION",
    "TR31_E6_EMV_MKEY_OTHER",
    "TR31_K0_KEY_ENCRYPTION_KEY",
    "TR31_K1_KEY_BLOCK_PROTECTION_KEY",
    "TR31_K3_ASYMMETRIC_KEY_FOR_KEY_AGREEMENT",
    "TR31_M3_ISO_9797_3_MAC_KEY",
    "TR31_M6_ISO_9797_5_CMAC_KEY",
    "TR31_M7_HMAC_KEY",
    "TR31_P0_PIN_ENCRYPTION_KEY",
    "TR31_P1_PIN_GENERATION_KEY",
    "TR31_S0_ASYMMETRIC_KEY_FOR_DIGITAL_SIGNATURE",
    "TR31_V1_IBM3624_PIN_VERIFICATION_KEY",
    "TR31_V2_VISA_PIN_VERIFICATION_KEY",
    "TR31_K2_TR34_ASYMMETRIC_KEY"
  ]
}