For the third step, substitution:
- The input text must be of 32 characters.
- It must not contain any blank spaces.
- Example input: 003C6E471F4E22740E081B3154590B1A
For the fourth step, shift row:
- The input text must be of 32 characters.
- It must not contain any blank spaces.
- Example input: 87F24D97EC6E4C904AC346E78CD895A6
For the fifth step, mix column:
- The input must be in hexadecimal format('0x' prefix)
- It must not contain any blank spaces.
- Example input: 0x870xF20x4D0x970x6E0x4C0x900xEC0x460xE70x4A0xC30xA60x8C0xD80x95