diff options
Diffstat (limited to 'SoftHSMv2/m4/acx_botan_ecc.m4')
-rw-r--r-- | SoftHSMv2/m4/acx_botan_ecc.m4 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/SoftHSMv2/m4/acx_botan_ecc.m4 b/SoftHSMv2/m4/acx_botan_ecc.m4 new file mode 100644 index 0000000..9bce21d --- /dev/null +++ b/SoftHSMv2/m4/acx_botan_ecc.m4 @@ -0,0 +1,51 @@ +AC_DEFUN([ACX_BOTAN_ECC],[ + AC_MSG_CHECKING(for Botan ECC support) + + tmp_CPPFLAGS=$CPPFLAGS + tmp_LIBS=$LIBS + + CPPFLAGS="$CPPFLAGS $CRYPTO_INCLUDES" + LIBS="$CRYPTO_LIBS $LIBS" + + AC_LANG_PUSH([C++]) + AC_RUN_IFELSE([ + AC_LANG_SOURCE([[ + #include <botan/init.h> + #include <botan/ec_group.h> + #include <botan/oids.h> + #include <botan/version.h> + int main() + { + Botan::LibraryInitializer::initialize(); + const std::string name("secp256r1"); + const Botan::OID oid(Botan::OIDS::lookup(name)); + const Botan::EC_Group ecg(oid); + try { +#if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,11,0) + const std::vector<Botan::byte> der = + ecg.DER_encode(Botan::EC_DOMPAR_ENC_OID); +#else + const Botan::SecureVector<Botan::byte> der = + ecg.DER_encode(Botan::EC_DOMPAR_ENC_OID); +#endif + } catch(...) { + return 1; + } + return 0; + } + ]]) + ],[ + AC_MSG_RESULT([Found P256]) + ],[ + AC_MSG_RESULT([Cannot find P256]) + AC_MSG_ERROR([ +Botan library has no valid ECC support. Please upgrade to a later version +of Botan, above or including version 1.10.6 or 1.11.5. +Alternatively disable ECC support in SoftHSM with --disable-ecc +]) + ],[]) + AC_LANG_POP([C++]) + + CPPFLAGS=$tmp_CPPFLAGS + LIBS=$tmp_LIBS +]) |