diff --git a/bun.lockb b/bun.lockb
index 81df2bd..44b1963 100644
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/bunfig.toml b/bunfig.toml
new file mode 100644
index 0000000..bea1efe
--- /dev/null
+++ b/bunfig.toml
@@ -0,0 +1,2 @@
+[install.scopes]
+"@jsr" = "https://npm.jsr.io"
diff --git a/src/module/KAS.ts b/src/module/KAS.ts
index 0acc88d..b422e74 100644
--- a/src/module/KAS.ts
+++ b/src/module/KAS.ts
@@ -1,3 +1,6 @@
+//@ts-ignore
+import { createTripByKey } from "./trip";
+
 function formatUnixTime(unixTime: number): string {
   // UNIXタイムをミリ秒に変換
   const date = new Date(unixTime * 1000);
@@ -71,8 +74,8 @@ async function NES(input: string, mail: string): Promise<{ name: string, mail: s
     const convertedInput = input.replace(/[◆★\n]/g, function (m) { return map[m]; });
     let trip = '';
     if (length > 0) {
-        // trip = `◆`+await convertTrip(match, length, true);
-        trip = `◆` + `現在一時的にトリップは使用できません`
+        trip = `◆`+await createTripByKey(match[1]);
+        // trip = `◆` + `現在一時的にトリップは使用できません`
     }
     return { "name": `${convertedInput.replace(/#.*/, '')}${trip}`, "mail": mail }
 }
\ No newline at end of file
diff --git a/src/module/trip.ts b/src/module/trip.ts
new file mode 100644
index 0000000..b846b06
--- /dev/null
+++ b/src/module/trip.ts
@@ -0,0 +1,53 @@
+import * as IconvCP932 from "iconv-cp932";
+
+import { create10DigitsTrip, create12DigitsTrip, createRawKeyTrip } from './trip/index'
+
+type Options = Partial<{
+  hideWhitespace: boolean
+}>
+
+const rawKeyPettern = /^#[0-9A-Fa-f]{16}[.\/0-9A-Za-z]{0,2}$/
+
+const maskSpecialSymbols = (text: string) => text.replace(/★/g, '☆').replace(/◆/g, '◇')
+
+export const createTripByKey = (key: string) => {
+//   const encodedKeyString = convert(key, { from: 'UNICODE', to: 'SJIS', fallback: 'html-entity' })
+    const encodedKeyString = IconvCP932.encode(key).toString()
+
+  // 10 桁トリップ
+  if (encodedKeyString.length < 12) return create10DigitsTrip(key)
+
+  // 生キートリップ
+  if (encodedKeyString.startsWith('#') || encodedKeyString.startsWith('$')) {
+    // 拡張用のため ??? を返す
+    if (!rawKeyPettern.test(encodedKeyString)) return '???'
+
+    return createRawKeyTrip(key)
+  }
+
+  // 12 桁トリップ
+  return create12DigitsTrip(key)
+}
+
+export const createTripByText = (text: string, options?: Options) => {
+  const indexOfSharp = (() => {
+    const indexOfHalfWidthSharp = text.indexOf('#')
+    const indexOfFullWidthSharp = text.indexOf('＃')
+
+    if (indexOfHalfWidthSharp >= 0) return indexOfHalfWidthSharp
+    if (indexOfFullWidthSharp >= 0) return indexOfFullWidthSharp
+
+    return -1
+  })()
+
+  if (indexOfSharp < 0) return maskSpecialSymbols(text)
+
+  const name = text.substr(0, indexOfSharp)
+  const key = text.substr(indexOfSharp + 1)
+
+  const whitespaceIfNeeded = options?.hideWhitespace ? '' : ' '
+
+  return `${maskSpecialSymbols(name)}${whitespaceIfNeeded}◆${createTripByKey(key)}`
+}
+
+export const createTrip = (text: string, options?: Options) => createTripByText(text, options)
\ No newline at end of file
diff --git a/src/module/trip/10digits.ts b/src/module/trip/10digits.ts
new file mode 100644
index 0000000..616b817
--- /dev/null
+++ b/src/module/trip/10digits.ts
@@ -0,0 +1,41 @@
+import { encode } from 'iconv-cp932'
+import crypt from 'unix-crypt-td-js'
+
+/**
+ * 10 桁トリップを生成する
+ */
+export const create10DigitsTrip = (key: string) => {
+  const saltSuffixString = 'H.'
+//   const encodedKeyString = convert(key, { from: 'UNICODE', to: 'SJIS', fallback: 'html-entity' })
+    const encodedKeyString = encode(key).toString()
+
+  const salt = `${encodedKeyString}${saltSuffixString}`
+    // 1 文字目から 2 文字を取得する
+    .substr(1, 2)
+    // . から z までの文字以外を . に置換する
+    .replace(/[^\.-z]/g, '.')
+    // 配列にする
+    .split('')
+    // salt として使えない記号をアルファベットに置換する
+    .map((string) => {
+      if (string === ':') return 'A'
+      if (string === ';') return 'B'
+      if (string === '<') return 'C'
+      if (string === '=') return 'D'
+      if (string === '>') return 'E'
+      if (string === '?') return 'F'
+      if (string === '@') return 'G'
+      if (string === '[') return 'a'
+      if (string === '\\') return 'b'
+      if (string === ']') return 'c'
+      if (string === '^') return 'd'
+      if (string === '_') return 'e'
+      if (string === '`') return 'f'
+
+      return string
+    })
+    // 文字列にする
+    .join('')
+
+  return (crypt(encodedKeyString, salt) as string).substr(-10, 10)
+}
\ No newline at end of file
diff --git a/src/module/trip/12digits.ts b/src/module/trip/12digits.ts
new file mode 100644
index 0000000..4d2bbac
--- /dev/null
+++ b/src/module/trip/12digits.ts
@@ -0,0 +1,13 @@
+import { encode } from 'iconv-cp932'
+import { createHash } from 'node:crypto'
+
+/**
+ * 12 桁トリップを生成する
+ */
+export const create12DigitsTrip = (key: string) => {
+//   const arrayBuffer = convert(key, { from: 'UNICODE', to: 'SJIS', type: 'arraybuffer', fallback: 'html-entity' })
+  const arrayBuffer = encode(key)
+  const byteArray = new Uint8Array(arrayBuffer)
+
+  return createHash('sha1').update(byteArray).digest().toString('base64').replace(/\+/g, '.').substr(0, 12)
+}
\ No newline at end of file
diff --git a/src/module/trip/index.ts b/src/module/trip/index.ts
new file mode 100644
index 0000000..11a3e5b
--- /dev/null
+++ b/src/module/trip/index.ts
@@ -0,0 +1,3 @@
+export * from './10digits'
+export * from './12digits'
+export * from './raw'
\ No newline at end of file
diff --git a/src/module/trip/raw.ts b/src/module/trip/raw.ts
new file mode 100644
index 0000000..b27496c
--- /dev/null
+++ b/src/module/trip/raw.ts
@@ -0,0 +1,26 @@
+import crypt from 'unix-crypt-td-js'
+
+/**
+ * 生キートリップを生成する
+ */
+export const createRawKeyTrip = (key: string) => {
+  const saltSuffixString = '..'
+
+  const rawKey = key
+    // 2 文字目以降の全ての文字列を取得
+    .substr(1)
+    // 2 文字ごとに配列に分割する
+    .match(/.{2}/g)!
+    // ASCII コードを ASCII 文字に変換する
+    .map((hexadecimalASCIICode) => {
+      const demicalASCIICode = parseInt(hexadecimalASCIICode, 16)
+
+      return String.fromCharCode(demicalASCIICode)
+    })
+    // 文字列にする
+    .join('')
+
+  const salt = `${key}${saltSuffixString}`.substr(17, 2)
+
+  return (crypt(rawKey, salt) as string).substr(-10, 10)
+}
\ No newline at end of file