2 files changed, 10 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 7201868..c06dda1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -170,6 +170,8 @@ AC_SEARCH_LIBS([EVP_sha256],     [crypto], [], [AC_MSG_ERROR([OpenSSL is require
 AC_SEARCH_LIBS([EVP_sha512],     [crypto], [], [AC_MSG_ERROR([OpenSSL is required])], [])
 AC_SEARCH_LIBS([HMAC],           [crypto], [], [AC_MSG_ERROR([OpenSSL is required])], [])
 AC_CHECK_FUNCS([EVP_MD_get0_name],         [], [])
+AC_CHECK_FUNCS([EVP_sha3_256],             [], [])
+AC_CHECK_FUNCS([EVP_sha3_512],             [], [])
 
 # GNU Libtool Support
 LT_INIT(dlopen disable-fast-install)
diff --git a/lib/libotputil/lmisc.c b/lib/libotputil/lmisc.c
index 6d31ea5..4b62d1e 100644
--- a/lib/libotputil/lmisc.c
+++ b/lib/libotputil/lmisc.c
@@ -64,8 +64,12 @@ static const otputil_map_t otputil_md_list[] =
    { .map_name = "sha1",            .map_id = OTPUTIL_MD_SHA1 },
    { .map_name = "sha256",          .map_id = OTPUTIL_MD_SHA256 },
    { .map_name = "sha512",          .map_id = OTPUTIL_MD_SHA512 },
+#ifdef HAVE_EVP_SHA3_256
    { .map_name = "sha3-256",        .map_id = OTPUTIL_MD_SHA3_256 },
+#endif
+#ifdef HAVE_EVP_SHA3_512
    { .map_name = "sha3-512",        .map_id = OTPUTIL_MD_SHA3_512 },
+#endif
    { .map_name = NULL,              .map_id = 0 },
 };
 
@@ -107,8 +111,12 @@ otputil_evp_md(
       case OTPUTIL_MD_SHA1:      return(EVP_sha1());
       case OTPUTIL_MD_SHA256:    return(EVP_sha256());
       case OTPUTIL_MD_SHA512:    return(EVP_sha512());
+#ifdef HAVE_EVP_SHA3_256
       case OTPUTIL_MD_SHA3_256:  return(EVP_sha3_256());
+#endif
+#ifdef HAVE_EVP_SHA3_512
       case OTPUTIL_MD_SHA3_512:  return(EVP_sha3_512());
+#endif
       default: break;
    };
    return(NULL);