Update SoftHSM v2.0 to the latest version

[aaf/sshsm.git] / SoftHSMv2 / m4 / acx_botan_eddsa.m4

diff --git a/SoftHSMv2/m4/acx_botan_eddsa.m4 b/SoftHSMv2/m4/acx_botan_eddsa.m4
new file mode 100644 (file)
index 0000000..88090b7
--- /dev/null
+++ b/SoftHSMv2/m4/acx_botan_eddsa.m4
@@ -0,0 +1,49 @@
+AC_DEFUN([ACX_BOTAN_EDDSA],[
+       AC_MSG_CHECKING(for Botan EDDSA support)
+
+       tmp_CPPFLAGS=$CPPFLAGS
+       tmp_LIBS=$LIBS
+
+       CPPFLAGS="$CPPFLAGS $CRYPTO_INCLUDES"
+       LIBS="$CRYPTO_LIBS $LIBS"
+
+       AC_LANG_PUSH([C++])
+       AC_CACHE_VAL([acx_cv_lib_botan_eddsa_support],[
+               acx_cv_lib_botan_eddsa_support=no
+               AC_RUN_IFELSE([
+                       AC_LANG_SOURCE([[
+                               #include <botan/init.h>
+                               #include <botan/ed25519.h>
+                               #include <botan/version.h>
+                               int main()
+                               {
+                                       Botan::secure_vector<uint8_t> k(32);
+                                       try {
+                                               Botan::Ed25519_PrivateKey* key =
+                                               new Botan::Ed25519_PrivateKey(k);
+                                       } catch(...) {
+                                               return 1;
+                                       }
+                                       return 0;
+                               }
+                       ]])
+               ],[
+                       AC_MSG_RESULT([Found Ed25519])
+                       acx_cv_lib_botan_eddsa_support=yes
+               ],[
+                       AC_MSG_RESULT([Cannot find Ed25519])
+                       AC_MSG_ERROR([
+Botan library has no valid EDDSA support. Please upgrade to a later version
+of Botan with EDDSA support.
+Alternatively disable EDDSA support in SoftHSM with --disable-eddsa
+])
+               ],[
+                       AC_MSG_WARN([Cannot test, assuming EDDSA])
+                       acx_cv_lib_botan_eddsa_support=yes
+               ])
+       ])
+       AC_LANG_POP([C++])
+
+       CPPFLAGS=$tmp_CPPFLAGS
+       LIBS=$tmp_LIBS
+])