Index: subversion/svn/auth-cmd.c
===================================================================
--- subversion/svn/auth-cmd.c	(revision 1616447)
+++ subversion/svn/auth-cmd.c	(working copy)
@@ -27,6 +27,8 @@
 #include <apr_getopt.h>
 #include <apr_fnmatch.h>
 #include <apr_tables.h>
+#include <apr_md5.h>
+#include <apr_sha1.h>
 
 #include "svn_private_config.h"
 
@@ -167,6 +169,34 @@
   return SVN_NO_ERROR;
 }
 
+static const char *
+format_cert_fingerprint(const svn_checksum_t *fingerprint,
+                        apr_pool_t *pool)
+{
+  apr_size_t digest_size;
+  apr_size_t i;
+  svn_stringbuf_t *buf;
+  static const char *hex = "0123456789ABCDEF";
+
+  if (fingerprint->kind == svn_checksum_md5)
+    digest_size = APR_MD5_DIGESTSIZE;
+  else if(fingerprint->kind == svn_checksum_sha1)
+    digest_size = APR_SHA1_DIGESTSIZE;
+  else
+    return NULL;
+
+  buf = svn_stringbuf_create_ensure(digest_size * 3, pool);
+
+  for (i = 0; i < digest_size; i++)
+    {
+      svn_stringbuf_appendbyte(buf, hex[fingerprint->digest[i] >> 4]);
+      svn_stringbuf_appendbyte(buf, hex[fingerprint->digest[i] & 0x0f]);
+      svn_stringbuf_appendbyte(buf, ':');
+    }
+
+  return buf->data;
+}
+
 static svn_error_t *
 show_cert(const svn_string_t *pem_cert, apr_pool_t *scratch_pool)
 {
@@ -193,10 +223,8 @@
   SVN_ERR(svn_cmdline_printf(scratch_pool, _("Issuer: %s\n"),
                              svn_x509_certinfo_get_issuer(certinfo)));
   SVN_ERR(svn_cmdline_printf(scratch_pool, _("Fingerprint: %s\n"),
-                             svn_checksum_to_cstring_display2(
+                             format_cert_fingerprint(
                                  svn_x509_certinfo_get_digest(certinfo),
-                                 SVN_CHECKSUM_CSTRING_UPPER |
-                                 SVN_CHECKSUM_CSTRING_COLONS,
                                  scratch_pool)));
 
   hostnames = svn_x509_certinfo_get_hostnames(certinfo);