X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/45c0fd363937c6e9b05da04a9167e9912c05ca0c..a6864ad907239985bd1f6eab414cec6171930d46:/dsa.h

diff --git a/dsa.h b/dsa.h
index 3cd65f5..43ff845 100644
--- a/dsa.h
+++ b/dsa.h
@@ -176,6 +176,22 @@ extern int dsa_gen(dsa_param */*dp*/, unsigned /*ql*/, unsigned /*pl*/,
 extern int dsa_checkparam(keycheck */*kc*/, const dsa_param */*dp*/,
 			  const dsa_seed */*ds*/);
 
+/* --- @dsa_h2n@ --- *
+ *
+ * Arguments:	@mp *d@ = destination integer
+ *		@mp *r@ = order of the DSA group
+ *		@const void *h@ = pointer to message hash
+ *		@size_t hsz@ = size (in bytes) of the hash output
+ *
+ * Returns:	Resulting integer.
+ *
+ * Use:		Converts a hash to an integer in the demented way necessary
+ *		for DSA/ECDSA.  This is, of course, completely insane, but
+ *		there you go.
+ */
+
+extern mp *dsa_h2n(mp */*d*/, mp */*r*/, const void */*h*/, size_t /*hsz*/);
+
 /* --- @dsa_mksig@ --- *
  *
  * Arguments:	@const dsa_param *dp@ = pointer to DSA parameters