Fix compatibility with LibreSSL and OpenSSL < 1.1.

[tinc] / src / openssl / digest.c

diff --git a/src/openssl/digest.c b/src/openssl/digest.c
index d51dcaa..9569f3c 100644 (file)
--- a/src/openssl/digest.c
+++ b/src/openssl/digest.c
@@ -66,8 +66,13 @@ digest_t *digest_open_by_nid(int nid, int maclength) {
 }
 
 bool digest_set_key(digest_t *digest, const void *key, size_t len) {
+#ifdef HAVE_HMAC_CTX_NEW
        digest->hmac_ctx = HMAC_CTX_new();
        HMAC_Init_ex(digest->hmac_ctx, key, len, digest->digest, NULL);
+#else
+       digest->hmac_ctx = xzalloc(sizeof(*digest->hmac_ctx));
+       HMAC_Init(digest->hmac_ctx, key, len, digest->digest);
+#endif
 
        if(!digest->hmac_ctx) {
                abort();
@@ -85,10 +90,16 @@ void digest_close(digest_t *digest) {
                EVP_MD_CTX_destroy(digest->md_ctx);
        }
 
+#ifdef HAVE_HMAC_CTX_NEW
+
        if(digest->hmac_ctx) {
                HMAC_CTX_free(digest->hmac_ctx);
        }
 
+#else
+       free(digest->hmac_ctx);
+#endif
+
        free(digest);
 }