CTS (Cipher Text Stealing)

modulename: cts.ko

configname: CONFIG_CRYPTO_CTS

Linux Kernel Configuration
└─>Cryptographic API
└─>Length-preserving ciphers and modes
└─>CTS (Cipher Text Stealing)
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
CBC-CS3 variant of CTS (Cipher Text Stealing) (NIST
Addendum to SP800-38A (October 2010))

This mode is required for Kerberos gss mechanism support
for AES encryption.

source code: