default or selected kernelversion does not have config value CONFIG_CRYPTO_CFB.
Result is shown for kernelversion 6.9.9
CFB (Cipher Feedback)
modulename: cfb.ko
configname: CONFIG_CRYPTO_CFB
Linux Kernel Configuration
└─>Cryptographic API
└─>Length-preserving ciphers and modes
└─>CFB (Cipher Feedback)
In linux kernel since version 3.10 (release Date: 2013-06-30)
CFB (Cipher Feedback) mode (NIST SP800-38A)
This block cipher mode is required for TPM2 Cryptography.
This block cipher mode is required for TPM2 Cryptography.