contactmethod: Cache the sha1 as it is now required more often
contactmethod: Cache the sha1 as it is now required more often

Refs #75963

Change-Id: I51ae8724929aab660d2f78ad558701fac7fc13bf

savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc