Please note that the key used to sign the SHASUMS.asc for the current release is now expired:
pub rsa4096 2015-06-24 [SC] [expired: 2019-02-14] 01EA5486DE18A882D4C2684590C8019E36C2E964 uid [ expired] Wladimir J. van der Laan (Bitcoin Core binary release signing key) laanwj@gmail.com