Add support for calculating SKS style key hashes

[onak.git] / keyid.h

diff --git a/keyid.h b/keyid.h
index d25447c6971c85f0d30508862c211d6900c64dff..202a4a053d019b7960e45d3ecc2d003bff36df5f 100644 (file)
--- a/keyid.h
+++ b/keyid.h
@@ -9,7 +9,6 @@
 #ifndef __KEYID_H__
 #define __KEYID_H__
 
-// #include <stdint.h>
 #include <inttypes.h>
 
 #include "keystructs.h"
@@ -22,6 +21,20 @@
  */
 uint64_t get_keyid(struct openpgp_publickey *publickey);
 
+/**
+ *     get_fingerprint - Given a public key returns the fingerprint.
+ *     @publickey: The key to calculate the id for.
+ *     @fingerprint: The fingerprint (must be at least 20 bytes of space). 
+ *     @len: The length of the returned fingerprint.
+ *
+ *     This function returns the fingerprint for a given public key. As Type 3
+ *     fingerprints are 16 bytes and Type 4 are 20 the len field indicates
+ *     which we've returned.
+ */
+unsigned char *get_fingerprint(struct openpgp_packet *packet,
+       unsigned char *fingerprint,
+       size_t *len);
+
 /**
  *     get_packetid - Given a PGP packet returns the keyid.
  *     @packet: The packet to calculate the id for.
@@ -30,4 +43,16 @@ uint64_t get_keyid(struct openpgp_publickey *publickey);
  */
 uint64_t get_packetid(struct openpgp_packet *packet);
 
+/**
+ *     get_skshash - Given a public key returns the SKS hash for it.
+ *     @publickey: The key to calculate the hash for.
+ *     @skshash: Hash structure to sort the result in.
+ *
+ *     This function returns the SKS hash for a given public key. This
+ *     is an MD5 hash over a sorted list of all of the packets that
+ *     make up the key. The caller should allocate the memory for the
+ *     hash.
+ */
+void get_skshash(struct openpgp_publickey *publickey, struct skshash *hash);
+
 #endif /* __KEYID_H__ */