2 files changed, 48 insertions, 1 deletions
diff --git a/lib/public_key/doc/src/notes.xml b/lib/public_key/doc/src/notes.xml
index c4d930c01f..74d1a57936 100644
--- a/lib/public_key/doc/src/notes.xml
+++ b/lib/public_key/doc/src/notes.xml
@@ -35,6 +35,23 @@
     <file>notes.xml</file>
   </header>
 
+<section><title>Public_Key 1.3</title>
+
+    <section><title>Improvements and New Features</title>
+      <list>
+        <item>
+          <p>
+	    New function
+	    <c>public_key:ssh_hostkey_fingerprint/1,2</c> to
+	    calculate the SSH host key fingerprint string.</p>
+          <p>
+	    Own Id: OTP-13888 Aux Id: OTP-13887 </p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
 <section><title>Public_Key 1.2</title>
 
     <section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml
index 385604677c..c503230d70 100644
--- a/lib/public_key/doc/src/public_key.xml
+++ b/lib/public_key/doc/src/public_key.xml
@@ -5,7 +5,7 @@
   <header>
     <copyright>
       <year>2008</year>
-      <year>2015</year>
+      <year>2016</year>
       <holder>Ericsson AB, All Rights Reserved</holder>
     </copyright>
     <legalnotice>
@@ -822,6 +822,36 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
   </func>
 
   <func>
+    <name>ssh_hostkey_fingerprint(HostKey) -> string()</name>
+    <name>ssh_hostkey_fingerprint(DigestType, HostKey) -> string()</name>
+    <fsummary>Calculates a ssh fingerprint for a hostkey.</fsummary>
+    <type>
+      <v>Key = public_key()</v>
+      <v>DigestType = digest_type()</v>
+    </type>
+  <desc>
+    <p>Calculates a ssh fingerprint from a public host key as openssh does.</p>
+    <p>The algorithm in <c>ssh_hostkey_fingerprint/1</c> is md5 to be compatible with older
+    ssh-keygen commands. The string from the second variant is prepended by the algorithm name
+    in uppercase as in newer ssh-keygen commands.</p>
+    <p>Examples:</p>
+    <code>
+ 2> public_key:ssh_hostkey_fingerprint(Key).    
+ "f5:64:a6:c1:5a:cb:9f:0a:10:46:a2:5c:3e:2f:57:84"
+
+ 3> public_key:ssh_hostkey_fingerprint(md5,Key).
+ "MD5:f5:64:a6:c1:5a:cb:9f:0a:10:46:a2:5c:3e:2f:57:84"
+
+ 4> public_key:ssh_hostkey_fingerprint(sha,Key).
+ "SHA1:bSLY/C4QXLDL/Iwmhyg0PGW9UbY"
+
+ 5> public_key:ssh_hostkey_fingerprint(sha256,Key).
+ "SHA256:aZGXhabfbf4oxglxltItWeHU7ub3Dc31NcNw2cMJePQ"
+    </code>
+  </desc>
+  </func>
+
+  <func>
     <name>verify(Msg, DigestType, Signature, Key) -> boolean()</name>
     <fsummary>Verifies a digital signature.</fsummary>
     <type>