1 // Copyright 2012 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "third_party/chromium/crypto/sha2.h" 6 7 #include <algorithm> 8 #include <openssl/sha.h> 9 10 #include <base/memory/scoped_ptr.h> 11 12 namespace crypto { 13 14 void SHA256HashString(const std::string& str, uint8_t* output, size_t len) { 15 std::string hash = SHA256HashString(str); 16 len = std::min(hash.size(), len); 17 std::copy(hash.begin(), hash.begin() + len, output); 18 } 19 20 std::string SHA256HashString(const std::string& str) { 21 SHA256_CTX sha_context; 22 SHA256_Init(&sha_context); 23 SHA256_Update(&sha_context, str.data(), str.size()); 24 25 std::string hash(kSHA256Length, 0); 26 SHA256_Final(reinterpret_cast<uint8_t*>(&hash[0]), &sha_context); 27 return hash; 28 } 29 30 } // namespace crypto 31
