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Subject: [Bug 204552] security/openct: [patch] Don't truncate received APDU
 when talking to pcsc-lite 1.8.14
Date: Sun, 15 Nov 2015 00:34:20 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204552

            Bug ID: 204552
           Summary: security/openct: [patch] Don't truncate received APDU
                    when talking to pcsc-lite 1.8.14
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: ale@FreeBSD.org
          Reporter: saper@saper.info
          Keywords: patch
             Flags: maintainer-feedback?(ale@FreeBSD.org)
          Assignee: ale@FreeBSD.org

Created attachment 163130
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=163130&action=edit
Bump PORTREVISION to 2

pcsc-lite starting from 1.8.14 provides 65548 byte
receive buffers to IFDHTransmitToICC(), which is
a maximal extended APDU size. Unfortunately this
is more than CT API can use (16 bits).

If more than 65536 bytes are about to be sent,
return IFD_PROTOCOL_NOT_SUPPORTED.

Receive at most 65536 bytes. pcsc-lite will always
specify 65548 buffer, even if the client application
requests less; therefore we cannot return an error
in this case.

Discussion:
https://lists.alioth.debian.org/pipermail/pcsclite-muscle/Week-of-Mon-20151109/000493.html

Also submitted as:

https://github.com/OpenSC/openct/pull/5

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