crypto: ensure documented RSA-PSS saltLength default is used #836

Job	Run time
Build slim tarball	1m 37s
x86_64-darwin: with shared libraries	47m 46s
aarch64-darwin: with shared libraries	35m 7s
x86_64-linux: with shared libraries	31m 21s
aarch64-linux: with shared libraries	26m 5s
	2h 21m 56s

Provide feedback