+config CRYPTO_ECB
+ tristate "ECB support"
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ default m
+ help
+ ECB: Electronic CodeBook mode
+ This is the simplest block cipher algorithm. It simply encrypts
+ the input block by block.
+
+config CRYPTO_CBC
+ tristate "CBC support"
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_MANAGER
+ default m
+ help
+ CBC: Cipher Block Chaining mode
+ This block cipher algorithm is required for IPSec.
+