add utilities for calculating http digest hashes

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/uclient-utils.h b/uclient-utils.h
index a7eaf1c..83ab09a 100644
--- a/uclient-utils.h
+++ b/uclient-utils.h
@@ -3,14 +3,28 @@
 
 #include <stdbool.h>
 
+struct http_digest_data {
+	const char *uri;
+	const char *method;
+
+	const char *auth_hash; /* H(A1) */
+	const char *qop;
+	const char *nc;
+	const char *nonce;
+	const char *cnonce;
+};
+
 static inline int base64_len(int len)
 {
 	return ((len + 2) / 3) * 4;
 }
 
 void base64_encode(const void *inbuf, unsigned int len, void *out);
+void bin_to_hex(char *dest, const void *buf, int len);
 
 int uclient_urldecode(const char *in, char *out, bool decode_plus);
 
+void http_digest_calculate_auth_hash(char *dest, const char *user, const char *realm, const char *password);
+void http_digest_calculate_response(char *dest, const struct http_digest_data *data);
 
 #endif