diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index e6ac53ddb..eec033476 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -277,6 +277,7 @@ enum {
 typedef struct krb5_auth_context_data{
   int32_t flags;
   krb5_cksumtype cksumtype;
+  krb5_enctype enctype;
 
   krb5_address local_address;
   krb5_address remote_address;
@@ -753,6 +754,35 @@ krb5_net_write (krb5_context context,
 		const void *buf,
 		size_t len);
 
+krb5_error_code
+krb5_encrypt (krb5_context context,
+	      void *ptr,
+	      size_t len,
+	      int etype,
+	      krb5_keyblock *keyblock,
+	      krb5_data *result);
+
+krb5_error_code
+krb5_decrypt (krb5_context context,
+	      void *ptr,
+	      size_t len,
+	      int etype,
+	      const krb5_keyblock *keyblock,
+	      krb5_data *result);
+
+krb5_error_code
+krb5_create_checksum (krb5_context context,
+		      krb5_cksumtype type,
+		      void *ptr,
+		      size_t len,
+		      Checksum *result);
+
+krb5_error_code
+krb5_verify_checksum (krb5_context context,
+		      void *ptr,
+		      size_t len,
+		      Checksum *sum);
+
 #include "cache.h"
 
 #include "keytab.h"