{
    "id": "https://letsencrypt.org/schema/01/jwk#",
    "$schema": "http://json-schema.org/draft-04/schema#",
    "description": "Schema for a jwk (**kty RSA/e=65537 ONLY**)",
    "type": "object",
    "required": [
        "kty",
        "e",
        "n"
    ],
    "properties": {
        "kty": {
            "enum": [
                "RSA"
            ]
        },
        "e": {
            "enum": [
                "AQAB"
            ]
        },
        "n": {
            "type": "string",
            "pattern": "^[-_=0-9A-Za-z]+$"
        }
    }
}