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-rw-r--r--SoftHSMv2/m4/acx_botan_eddsa.m449
1 files changed, 49 insertions, 0 deletions
diff --git a/SoftHSMv2/m4/acx_botan_eddsa.m4 b/SoftHSMv2/m4/acx_botan_eddsa.m4
new file mode 100644
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
+])