add some more krb5_c functions

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12482 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/krb5_c_make_checksum.3

@@ -41,13 +41,17 @@
 .Nm krb5_c_encrypt_length ,
 .Nm krb5_c_enctype_compare ,
 .Nm krb5_c_get_checksum ,
+.Nm krb5_c_is_coll_proof_cksum ,
+.Nm krb5_c_is_keyed_cksum ,
 .Nm krb5_c_make_checksum ,
 .Nm krb5_c_make_random_key ,
 .Nm krb5_c_set_checksum ,
+.Nm krb5_c_valid_cksumtype ,
+.Nm krb5_c_valid_enctype ,
 .Nm krb5_c_verify_checksum ,
 .Nm krb5_copy_checksum ,
 .Nm krb5_free_checksum ,
-.Nm krb5_free_checksum_contents
+.Nm krb5_free_checksum_contents ,
 .Nd kerberos crypto API
 .Sh LIBRARY
 Kerberos 5 Library (libkrb5, -lkrb5)
@@ -152,6 +156,22 @@ Kerberos 5 Library (libkrb5, -lkrb5)
 .Fa "krb5_cksumtype type"
 .Fa "const krb5_data *data"
 .Fc
+.Ft krb5_boolean
+.Fo krb5_c_valid_enctype
+.Fa krb5_enctype etype"
+.Fc
+.Ft krb5_boolean
+.Fo krb5_c_valid_cksumtype
+.Fa "krb5_cksumtype ctype"
+.Fc
+.Ft krb5_boolean
+.Fo krb5_c_is_coll_proof_cksum
+.Fa "krb5_cksumtype ctype"
+.Fc
+.Ft krb5_boolean
+.Fo krb5_c_is_keyed_cksum
+.Fa "krb5_cksumtype ctype"
+.Fc
 .Sh DESCRIPTION
 The
 .Li krb5_checksum
@@ -269,6 +289,26 @@ or
 is not needed for the application, 
 .Dv NULL
 can be passed in.
+.Pp
+.Fn krb5_c_valid_enctype
+returns true if
+.Fa etype
+is a valid encryption type.
+.Pp
+.Fn krb5_c_valid_cksumtype
+returns true if
+.Fa ctype
+is a valid checksum type.
+.Pp
+.Fn krb5_c_is_keyed_cksum
+return true if
+.Fa ctype
+is a keyed checksum type.
+.Pp
+.Fn krb5_c_is_coll_proof_cksum
+returns true if
+.Fa ctype
+is a collition proof checksum type.
 .Sh SEE ALSO
 .Xr krb5 3 ,
 .Xr krb5_free_data 3 ,

lib/krb5/mit_glue.c

@@ -135,6 +135,30 @@ krb5_checksum_free(krb5_context context, krb5_checksum *cksum)
     free_Checksum(cksum);
 }
 
+krb5_boolean
+krb5_c_valid_enctype (krb5_enctype etype)
+{
+    return krb5_enctype_valid(NULL, etype);
+}
+
+krb5_boolean
+krb5_c_valid_cksumtype(krb5_cksumtype ctype)
+{
+    return krb5_cksumtype_valid(NULL, ctype);
+}
+
+krb5_boolean
+krb5_c_is_coll_proof_cksum(krb5_cksumtype ctype)
+{
+    return krb5_checksum_is_collision_proof(NULL, ctype);
+}
+
+krb5_boolean
+krb5_c_is_keyed_cksum(krb5_cksumtype ctype)
+{
+    return krb5_checksum_is_keyed(NULL, ctype);
+}
+
 krb5_error_code
 krb5_copy_checksum (krb5_context context,
 		    const krb5_checksum *old,