Require Libgcrypt 1.9

* configure.ac: Require at least Libgcrypt 1.9.0.  Remove all
GCRYPT_VERSION_NUMBER dependent code.
--

Only Libgcrypt 1.9 implements EAX which is a mandatory algorithm in
RFC4880bis.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 2 insertions, 8 deletions

diff --git a/g10/misc.c b/g10/misc.c
index 147592827..cd5c1bd7a 100644
--- a/g10/misc.c
+++ b/g10/misc.c
@@ -620,20 +620,14 @@ openpgp_aead_test_algo (aead_algo_t algo)
   /* FIXME: We currently have no easy way to test whether libgcrypt
    * implements a mode.  The only way we can do this is to open a
    * cipher context with that mode and close it immediately.  That is
-   * a bit costly.  So we look at the libgcrypt version and assume
-   * nothing has been patched out.  */
+   * a bit costly.  Thus in case we add another algo we need to look
+   * at the libgcrypt version and assume nothing has been patched out.  */
   switch (algo)
     {
     case AEAD_ALGO_NONE:
       break;
 
     case AEAD_ALGO_EAX:
-#if GCRYPT_VERSION_NUMBER < 0x010900
-      break;
-#else
-      return 0;
-#endif
-
     case AEAD_ALGO_OCB:
       return 0;
     }