--- crypto/Kconfig

+++ crypto/Kconfig

@@ -302,6 +302,7 @@ comment "Digest"

config CRYPTO_CRC32C

tristate "CRC32c CRC algorithm"

select CRYPTO_HASH

+ select CRC32

help

Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used

by iSCSI for header and data digests and by others.