[openssl-users] READ error during tape restore via OpenSSL on AIX
openssl-users at dukhovni.org
Fri Jan 2 20:53:31 UTC 2015
On Fri, Jan 02, 2015 at 12:44:43PM -0500, Salz, Rich wrote:
> They are I/O errors (openssl errstr is your friend here) and probably related to the tape I/O device not being ready, timing out, or something like that.
Tape devices generally require I/O operations to be in multiples
of a tape block. The output of "openssl enc" is not going to
satisfy that property. A final filter is required that "pads" the
encrypted output to a multiple of the tape block size, and strips
the padding on input.
More information about the openssl-users