--- a/libidav/crypto.h	Sun Oct 19 21:20:08 2025 +0200
+++ b/libidav/crypto.h	Mon Nov 10 21:52:51 2025 +0100
@@ -159,6 +159,7 @@
 DAV_SHA_CTX* dav_sha256_create(void);
 void dav_sha256_update(DAV_SHA_CTX *ctx, const char *data, size_t len);
 void dav_sha256_final(DAV_SHA_CTX *ctx, unsigned char *buf);
+void dav_sha256_final_free(DAV_SHA_CTX *ctx, unsigned char *buf);
 
 DavKey* dav_pw2key(const char *password, const unsigned char *salt, int saltlen, int pwfunc, int enc);