diff -r ac5ac55b1b2e -r da2b0cc44e4f libidav/crypto.h
--- a/libidav/crypto.h	Tue Mar 12 09:35:04 2019 +0100
+++ b/libidav/crypto.h	Wed Mar 13 12:52:24 2019 +0100
@@ -97,6 +97,8 @@
     int            end;
 } AESEncrypter;
 
+typedef struct DavHashContext DavHashContext;
+
 int dav_rand_bytes(unsigned char *buf, size_t len);
 
 AESDecrypter* aes_decrypter_new(DavKey *key, void *stream, dav_write_func write_func);
@@ -116,6 +118,10 @@
 
 char* dav_create_hash(const char *data, size_t len);
 
+DAV_SHA_CTX* dav_hash_init(void);
+void dav_hash_update(DAV_SHA_CTX *ctx, const char *data, size_t len);
+void dav_hash_final(DAV_SHA_CTX *ctx, unsigned char *buf);
+
 DavKey* dav_pw2key(const char *password, const unsigned char *salt, int saltlen, int pwfunc, int enc);
 
 UcxBuffer* aes_encrypt_buffer(UcxBuffer *buf, DavKey *key);