man
diff --git a/man/man3/dsa.3 b/man/man3/dsa.3
index c29d287..41532b8 100644
--- a/man/man3/dsa.3
+++ b/man/man3/dsa.3
@@ -1,6 +1,6 @@
.TH DSA 3
.SH NAME
-dsagen, dsasign, dsaverify, dsapuballoc, dsapubfree, dsaprivalloc, dsaprivfree, dsasigalloc, dsasigfree, dsaprivtopub - digital signature algorithm
+asn1toDSApriv, dsagen, dsasign, dsaverify, dsapuballoc, dsapubfree, dsaprivalloc, dsaprivfree, dsasigalloc, dsasigfree, dsaprivtopub - digital signature algorithm
.SH SYNOPSIS
.B #include <u.h>
.br
@@ -39,6 +39,9 @@
.PP
.B
DSApub* dsaprivtopub(DSApriv*)
+.PP
+.B
+DSApriv* asn1toDSApriv(uchar *priv, int npriv)
.SH DESCRIPTION
.PP
DSA is the NIST approved digital signature algorithm. The owner of a key publishes
@@ -120,6 +123,13 @@
and
.I dsasigfree
are provided to manage signature storage.
+.PP
+.I Asn1toDSApriv
+converts an ASN1 formatted DSA private key into the corresponding
+.B DSApriv
+structure; see
+.IR rsa (3)
+for other ASN1 routines.
.SH SOURCE
.B \*9/src/libsec
.SH SEE ALSO
