From f4f588683dce36c4470171cb6af74763778498ff Mon Sep 17 00:00:00 2001
From: Yuki Ito <yuki@gnnk.net>
Date: Fri, 25 Mar 2016 17:55:17 +0900
Subject: crypto: Enable AES-GCM tag length to change

This commit enables AES-GCM encryption/decryption to change its tag
length between 1 to 16 bytes.
---
 lib/crypto/doc/src/crypto.xml | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib/crypto/doc/src')

diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml
index d3e827b3e6..9cb9587964 100644
--- a/lib/crypto/doc/src/crypto.xml
+++ b/lib/crypto/doc/src/crypto.xml
@@ -203,6 +203,7 @@
     <func>
       <name>block_encrypt(Type, Key, Ivec, PlainText) -> CipherText</name>
       <name>block_encrypt(AeadType, Key, Ivec, {AAD, PlainText}) -> {CipherText, CipherTag}</name>
+      <name>block_encrypt(aes_gcm, Key, Ivec, {AAD, PlainText, TagLength}) -> {CipherText, CipherTag}</name>
       <fsummary>Encrypt <c>PlainText</c> according to <c>Type</c> block cipher</fsummary>
       <type>
 	<v>Type = block_cipher() </v>
@@ -210,6 +211,7 @@
 	<v>Key = block_key() </v>
         <v>PlainText = iodata() </v>
         <v>AAD = IVec = CipherText = CipherTag = binary()</v>
+        <v>TagLength = 1..16</v>
       </type>
       <desc>
         <p>Encrypt <c>PlainText</c> according to <c>Type</c> block cipher.
-- 
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