From c212ae94dce33e150bc384db54a3c4d471c75bd7 Mon Sep 17 00:00:00 2001
From: Timo Weingärtner <timo@tiwe.de>
Date: Sat, 7 Mar 2026 18:44:02 +0100
Subject: follow API break of nettle 4

---
 ssh-agent-filter.C | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ssh-agent-filter.C b/ssh-agent-filter.C
index 3fe4801..8a2772d 100644
--- a/ssh-agent-filter.C
+++ b/ssh-agent-filter.C
@@ -77,6 +77,7 @@ using std::pair;
 #include <sys/un.h>
 #include <sys/wait.h>
 #include <sysexits.h>
+#include <nettle/version.h>
 #include <nettle/md5.h>
 #include <nettle/base64.h>
 #include <nettle/base16.h>
@@ -112,7 +113,11 @@ string md5_hex (string const & s) {
 	md5_init(&ctx);
 	md5_update(&ctx, s.size(), reinterpret_cast<uint8_t const *>(s.data()));
 	std::array<uint8_t, MD5_DIGEST_SIZE> bin;
+#if (NETTLE_VERSION_MAJOR >= 4)
+	md5_digest(&ctx, bin.data());
+#else
 	md5_digest(&ctx, MD5_DIGEST_SIZE, bin.data());
+#endif
 	std::array<char, BASE16_ENCODE_LENGTH(MD5_DIGEST_SIZE)> hex;
 	base16_encode_update(hex.data(), MD5_DIGEST_SIZE, bin.data());
 	return {begin(hex), end(hex)};
-- 
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