• libcrypto patch available for DSA security issue

    From Bob Beck@21:1/5 to All on Mon Jun 6 19:05:01 2016
    Fixes are available to correct a problem that prevents the DSA signing algorithm from running in constant time even if the flag
    BN_FLG_CONSTTIME is set.

    This issue was reported by Cesar Pereida (Aalto University), Billy
    Brumley (Tampere University of Technology), and Yuval Yarom (The
    University of Adelaide and NICTA). The fix was developed by Cesar
    Pereida.

    Patches are available for 5.8 and 5.9 at:

    http://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/017_crypto.patch.sig http://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/011_crypto.patch.sig

    and have been commmitted to -current.

    Portably LibreSSL releases will appear shortly.

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