Hight Classic Cipher Information
- The user input for the key should be 128 bits and in hexadecimal format.
- The user input for plaintext or ciphertext should be 64 bits and in hexadecimal format.
- The value of plaintext or ciphertext should not exceed 64 bits. If you need to encrypt data larger than 64 bits, consider using ECB or CBC modes.
Hexadecimal Value Input
Hexadecimal values can be input with or without spaces between the characters.
Example:
Key: 00112233445566778899aabbccddeeff
Plaintext: 0000000000000000
Ciphertext: 00f418aed94f03f2