The TRIFID method encrypts or decrypts a text using the TRIFID algorithm.

The parameters are

• text: string
• block size: number
• mode: number
  • 0: decrypt
  • 1: encrypt
• polybiosMode: number
  • 0: user-defined
  • 1: A-Z 0-9
  • 2: Z-A 9-0
  • 3: x 9-0 Z – A
  • 4: x 0 – 9 – A – Z
• alphabet: string

TRIFID(character string, number, number, character string, number) => character string