Missing ripemd160 from cryptsetup

Installing and Using OpenWrt
1

When I use command cryptsetup --type plain --cipher=aes-xts-plain64 open /dev/sda1 ssd to open a plain device, it complains Hash algorithm ripemd160 not supported.. My router is XDR6088, is it a hardware or software issue?

root@XDR6088:~# cryptsetup benchmark
# Tests are approximate using memory only (no storage IO).
PBKDF2-sha1        81209 iterations per second for 256-bit key
PBKDF2-sha256     161617 iterations per second for 256-bit key
PBKDF2-sha512     153660 iterations per second for 256-bit key
PBKDF2-ripemd160     N/A
PBKDF2-whirlpool     N/A
2

I think you need to install an optional kernel module: https://openwrt.org/packages/pkgdata/kmod-crypto-rmd160

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