OneTimePasswordImpl provides only MD5 and SHA1 hash algorithms

           "otp" => {
                "type" => OBJECT,
                "description" => "A one-time password, used by the OTP SASL mechanism.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "value-type" => {
                    "algorithm" => {
                        "type" => STRING,
                        "description" => "The algorithm used to encrypt the password.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "default" => "otp-sha1",
                        "allowed" => [
                            "otp-md5",
                            "otp-sha1"
                        ]
                    },
                    "hash" => {
                        "type" => STRING,
                        "description" => "The hash represented by this password.",
                        "expressions-allowed" => true,
                        "required" => true,
                        "nillable" => false,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "seed" => {
                        "type" => STRING,
                        "description" => "The seed used to generate the hash.",
                        "expressions-allowed" => true,
                        "required" => true,
                        "nillable" => false,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "sequence" => {
                        "type" => INT,
                        "description" => "The sequence number used to generate the hash.",
                        "expressions-allowed" => true,
                        "required" => true,
                        "nillable" => false
                    }
                }
            }