Blowfish is a symmetric block cipher that can be used as a drop–in replacement for DES or IDEA.
It takes a variable-length key, from 32 bits to 448 bits.
Refer to https://www.schneier.com/academic/blowfish/download.html for source code examples.
This site has a number of source codes examples implemented in number of different languages.
The [Shared Encryption Key] value will be a key shared by the merchant and the payment gateway.
Please ensure your object to be encrypted is trimmed of all spaces, and is padded to be a multiple of 8–bytes for Blowfish encryption.
Use Cipher Mode: ECB and Output Type: Hex.
AES (acronym of Advanced Encryption Standard) is a symmetric encryption algorithm.
AES was designed to be efficient in both hardware and software, and supports a block length of 128 bits and key lengths of 128, 192, and 256 bits.
Refer to https://aesencryption.net/ for source code examples. This site has a number of source code examples implemented in different languages.
Twofish is a block cipher by Counterpane Labs, published in 1998.
It was one of the five Advanced Encryption Standard (AES) finalists, and was not selected as AES.
Twofish has a 128–bit block size, a key size ranging from 128 to 256 bits, and is optimized for 32–bit CPUs.
Refer to https://www.schneier.com/academic/twofish/download.html for source code examples.
This site has a number of source codes examples implemented in number of different languages.