The actual key, Base64 encoded, as described in RFC2045.
.TP
.B "expiry time"
-The time at which this key expires, represented as an integer number of
-seconds since 1970-01-01 00:00:00 UTC, not counting leap seconds. The
-special value \-1 signifies that this key never expires.
+The time at which this key expires, represented as an integer, in the
+format returned by the
+.BR time (2)
+system call.
.TP
.B "deletion time"
The time at which this key should be deleted, using the same