Add built-in SHA-1 implementation.

src/test/sha1_tests.cpp

@@ -0,0 +1,27 @@
+// Copyright (c) 2014 The Bitcoin Core developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "sha1.h"
+#include "util.h"
+
+#include <vector>
+
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_SUITE(sha1_tests)
+
+void SHA1TestVector(const std::string &in, const std::string &out) {
+    std::vector<unsigned char> hash;
+    hash.resize(20);
+    CSHA1().Write((unsigned char*)&in[0], in.size()).Finalize(&hash[0]);
+    BOOST_CHECK_EQUAL(HexStr(hash), out);
+}
+
+BOOST_AUTO_TEST_CASE(sha1_testvectors) {
+    SHA1TestVector("abc", "a9993e364706816aba3e25717850c26c9cd0d89d");
+    SHA1TestVector("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", "84983e441c3bd26ebaae4aa1f95129e5e54670f1");
+    SHA1TestVector(std::string(1000000, 'a'), "34aa973cd4c4daa4f61eeb2bdbad27316534016f");
+}
+
+BOOST_AUTO_TEST_SUITE_END()