From 5864d222060c75e9b4d3dddc7e59b0d13b59ebdf Mon Sep 17 00:00:00 2001
From: Zhao Zhenlong <zhaozhenlong.dev@gmail.com>
Date: Thu, 29 Nov 2018 16:39:14 +0800
Subject: [PATCH] add support for xchacha20-ietf-poly1305 set nonce to 24 for
 ChaCha20Poly1305 in botan-2

---
 lib/crypto/cipher.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/crypto/cipher.cpp b/lib/crypto/cipher.cpp
index 561d677..d7b7649 100644
--- a/lib/crypto/cipher.cpp
+++ b/lib/crypto/cipher.cpp
@@ -129,6 +129,7 @@ const std::unordered_map<std::string, Cipher::CipherInfo> Cipher::cipherInfoMap
     {"serpent-256-cfb", {"Serpent/CFB", 32, 16, Cipher::CipherType::STREAM}}
 #ifdef USE_BOTAN2
    ,{"chacha20-ietf-poly1305", {"ChaCha20Poly1305", 32, 12, Cipher::CipherType::AEAD, 32, 16}},
+    {"xchacha20-ietf-poly1305", {"ChaCha20Poly1305", 32, 24, Cipher::CipherType::AEAD, 32, 16}},
     {"aes-128-gcm", {"AES-128/GCM", 16, 12, Cipher::CipherType::AEAD, 16, 16}},
     {"aes-192-gcm", {"AES-192/GCM", 24, 12, Cipher::CipherType::AEAD, 24, 16}},
     {"aes-256-gcm", {"AES-256/GCM", 32, 12, Cipher::CipherType::AEAD, 32, 16}}