1 // Copyright (c) 2011 The Chromium 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 "net/base/keygen_handler.h" 6 7 #include <openssl/ssl.h> 8 9 #include "base/logging.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "crypto/openssl_util.h" 12 #include "crypto/rsa_private_key.h" 13 #include "net/base/openssl_private_key_store.h" 14 15 namespace net { 16 17 std::string KeygenHandler::GenKeyAndSignChallenge() { 18 scoped_ptr<crypto::RSAPrivateKey> key( 19 crypto::RSAPrivateKey::Create(key_size_in_bits_)); 20 EVP_PKEY* pkey = key->key(); 21 22 if (stores_key_) 23 OpenSSLPrivateKeyStore::GetInstance()->StorePrivateKey(url_, pkey); 24 25 crypto::ScopedOpenSSL<NETSCAPE_SPKI, NETSCAPE_SPKI_free> spki( 26 NETSCAPE_SPKI_new()); 27 ASN1_STRING_set(spki.get()->spkac->challenge, 28 challenge_.data(), challenge_.size()); 29 NETSCAPE_SPKI_set_pubkey(spki.get(), pkey); 30 // Using MD5 as this is what is required in HTML5, even though the SPKI 31 // structure does allow the use of a SHA-1 signature. 32 NETSCAPE_SPKI_sign(spki.get(), pkey, EVP_md5()); 33 char* spkistr = NETSCAPE_SPKI_b64_encode(spki.get()); 34 35 std::string result(spkistr); 36 OPENSSL_free(spkistr); 37 38 return result; 39 } 40 41 } // namespace net 42 43