Document DSA_get0_* for individual DSA members

1 files changed, 77 insertions, 3 deletions

diff --git a/lib/libcrypto/man/DSA_get0_pqg.3 b/lib/libcrypto/man/DSA_get0_pqg.3
index e2cf7405ebf..2de976d3063 100644
--- a/lib/libcrypto/man/DSA_get0_pqg.3
+++ b/lib/libcrypto/man/DSA_get0_pqg.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: DSA_get0_pqg.3,v 1.5 2022/07/13 21:51:35 schwarze Exp $
+.\" $OpenBSD: DSA_get0_pqg.3,v 1.6 2023/03/06 13:18:38 tb Exp $
 .\" full merge up to: OpenSSL e90fc053 Jul 15 09:39:45 2017 -0400
 .\"
 .\" This file was written by Matt Caswell <matt@openssl.org>.
@@ -48,13 +48,18 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: July 13 2022 $
+.Dd $Mdocdate: March 6 2023 $
 .Dt DSA_GET0_PQG 3
 .Os
 .Sh NAME
 .Nm DSA_get0_pqg ,
+.Nm DSA_get0_p ,
+.Nm DSA_get0_q ,
+.Nm DSA_get0_g ,
 .Nm DSA_set0_pqg ,
 .Nm DSA_get0_key ,
+.Nm DSA_get0_pub_key ,
+.Nm DSA_get0_priv_key ,
 .Nm DSA_set0_key ,
 .Nm DSA_clear_flags ,
 .Nm DSA_test_flags ,
@@ -70,6 +75,18 @@
 .Fa "const BIGNUM **q"
 .Fa "const BIGNUM **g"
 .Fc
+.Ft "const BIGNUM *"
+.Fo DSA_get0_p
+.Fa "const DSA *d"
+.Fc
+.Ft "const BIGNUM *"
+.Fo DSA_get0_q
+.Fa "const DSA *d"
+.Fc
+.Ft "const BIGNUM *"
+.Fo DSA_get0_g
+.Fa "const DSA *d"
+.Fc
 .Ft int
 .Fo DSA_set0_pqg
 .Fa "DSA *d"
@@ -83,6 +100,14 @@
 .Fa "const BIGNUM **pub_key"
 .Fa "const BIGNUM **priv_key"
 .Fc
+.Ft "const BIGNUM *"
+.Fo DSA_get0_pub_key
+.Fa "const DSA *d"
+.Fc
+.Ft "const BIGNUM *"
+.Fo DSA_get0_priv_key
+.Fa "const DSA *d"
+.Fc
 .Ft int
 .Fo DSA_set0_key
 .Fa "DSA *d"
@@ -194,6 +219,25 @@ If needed, duplicate the received values using
 .Xr BN_dup 3
 and pass the duplicates.
 .Pp
+Any of the values
+.Fa p ,
+.Fa q ,
+.Fa g ,
+.Fa priv_key ,
+and
+.Fa pub_key
+can also be retrieved separately by the corresponding functions
+.Fn DSA_get0_p ,
+.Fn DSA_get0_q ,
+.Fn DSA_get0_g ,
+.Fn DSA_get0_priv_key ,
+and
+.Fn DSA_get0_pub_key ,
+respectively.
+The pointers are owned by the
+.Vt DSA
+object.
+.Pp
 .Fn DSA_clear_flags
 clears the specified
 .Fa flags
@@ -213,6 +257,17 @@ any flags already set remain set.
 For all three functions, multiple flags can be passed in one call,
 OR'ed together bitwise.
 .Sh RETURN VALUES
+.Fn DSA_get0_p ,
+.Fn DSA_get0_q ,
+.Fn DSA_get0_g ,
+.Fn DSA_get0_pub_key ,
+and
+.Fn DSA_get0_priv_key
+return a pointer owned by the
+.Vt DSA
+object if the corresponding value has been set,
+otherwise they return
+.Dv NULL .
 .Fn DSA_set0_pqg
 and
 .Fn DSA_set0_key
@@ -248,6 +303,25 @@ if no engine was set for this object.
 .Xr DSA_sign 3 ,
 .Xr DSA_size 3
 .Sh HISTORY
-These functions first appeared in OpenSSL 1.1.0
+.Fn DSA_get0_pqg ,
+.Fn DSA_set0_pqg ,
+.Fn DSA_get0_key ,
+.Fn DSA_set0_key ,
+.Fn DSA_clear_flags ,
+.Fn DSA_test_flags ,
+.Fn DSA_set_flags ,
+and
+.Fn DSA_get0_engine
+first appeared in OpenSSL 1.1.0
 and have been available since
 .Ox 6.3 .
+.Pp
+.Fn DSA_get0_p ,
+.Fn DSA_get0_q ,
+.Fn DSA_get0_g ,
+.Fn DSA_get0_pub_key ,
+and
+.Fn DSA_get0_priv_key
+first appeared in OpenSSL 1.1.1
+and have been available since
+.Ox 7.1 .