- (tim) [kex.c myproposal.h md-sha256.c openbsd-compat/sha2.c,h] Disable
sha256 when openssl < 0.9.7. Patch from djm@. Corrections/testing by me.
diff --git a/kex.c b/kex.c
index 70c2c97..8610a7d 100644
--- a/kex.c
+++ b/kex.c
@@ -44,11 +44,13 @@
#define KEX_COOKIE_LEN 16
-#ifdef HAVE_EVP_SHA256
+#if OPENSSL_VERSION_NUMBER < 0x00907000L
+# define evp_ssh_sha256() NULL
+#elif defined(HAVE_EVP_SHA256)
# define evp_ssh_sha256 EVP_sha256
-#else /* HAVE_EVP_SHA256 */
+#else
extern const EVP_MD *evp_ssh_sha256(void);
-#endif /* HAVE_EVP_SHA256 */
+#endif
/* prototype */
static void kex_kexinit_finish(Kex *);