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-rwxr-xr-xcontrib/commands/ukm8
1 files changed, 4 insertions, 4 deletions
diff --git a/contrib/commands/ukm b/contrib/commands/ukm
index 8a2d361..3683154 100755
--- a/contrib/commands/ukm
+++ b/contrib/commands/ukm
@@ -220,10 +220,10 @@ sub cd_temp_clone {
# compute the fingerprint from the full path of a pubkey file
sub fingerprint {
- my $fp = `ssh-keygen -l -f $_[0]`;
- die "does not seem to be a valid pubkey\n"
- unless $fp =~ /(([0-9a-f]+:)+[0-9a-f]+) /i;
- return $1;
+ my ($fp, $output) = ssh_fingerprint_file(shift);
+ # Do not print the output of $output to an untrusted destination.
+ die "does not seem to be a valid pubkey\n" unless $fp;
+ return $fp;
}