From 98b02209a438ddd4358eda58870100287c3924d1 Mon Sep 17 00:00:00 2001
From: George Marques
Date: Thu, 23 Jun 2016 13:57:45 -0300
Subject: Add sha256_buffer() function to String

---
 core/ustring.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'core/ustring.cpp')

diff --git a/core/ustring.cpp b/core/ustring.cpp
index ea9a9d903..43e3a9a0b 100644
--- a/core/ustring.cpp
+++ b/core/ustring.cpp
@@ -2419,6 +2419,23 @@ Vector<uint8_t> String::md5_buffer() const {
 	return ret;
 };
 
+Vector<uint8_t> String::sha256_buffer() const {
+	CharString cs = utf8();
+	unsigned char hash[32];
+	sha256_context ctx;
+	sha256_init(&ctx);
+	sha256_hash(&ctx, (unsigned char*)cs.ptr(), cs.length());
+	sha256_done(&ctx, hash);
+
+	Vector<uint8_t> ret;
+	ret.resize(32);
+	for (int i = 0; i < 32; i++) {
+		ret[i] = hash[i];
+	}
+
+	return ret;
+}
+
 
 String String::insert(int p_at_pos,String p_string) const {
 
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