COMPAT_OLD_DES3
ctx->more_flags |= COMPAT_OLD_DES3;
ctx->more_flags |= COMPAT_OLD_DES3;
ctx->more_flags &= ~COMPAT_OLD_DES3;
if (ctx->more_flags & COMPAT_OLD_DES3)
COMPAT_OLD_DES3 = 4,
ctx->more_flags |= COMPAT_OLD_DES3;
ctx->more_flags &= ~COMPAT_OLD_DES3;