Index: crypto/rsa_private_key_openssl.cc |
=================================================================== |
--- crypto/rsa_private_key_openssl.cc (revision 0) |
+++ crypto/rsa_private_key_openssl.cc (revision 0) |
@@ -0,0 +1,135 @@ |
+// Copyright (c) 2011 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "crypto/rsa_private_key.h" |
+ |
+#include <openssl/evp.h> |
+#include <openssl/pkcs12.h> |
+#include <openssl/rsa.h> |
+ |
+#include "base/logging.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "base/stl_util-inl.h" |
+#include "crypto/openssl_util.h" |
+ |
+namespace crypto { |
+ |
+namespace { |
+ |
+// Function pointer definition, for injecting the required key export function |
+// into ExportKey, below. The supplied function should export EVP_PKEY into |
+// the supplied BIO, returning 1 on success or 0 on failure. |
+typedef int (ExportFunction)(BIO*, EVP_PKEY*); |
+ |
+// Helper to export |key| into |output| via the specified ExportFunction. |
+bool ExportKey(EVP_PKEY* key, |
+ ExportFunction export_fn, |
+ std::vector<uint8>* output) { |
+ if (!key) |
+ return false; |
+ |
+ OpenSSLErrStackTracer err_tracer(FROM_HERE); |
+ ScopedOpenSSL<BIO, BIO_free_all> bio(BIO_new(BIO_s_mem())); |
+ |
+ int res = export_fn(bio.get(), key); |
+ if (!res) |
+ return false; |
+ |
+ char* data = NULL; |
+ long len = BIO_get_mem_data(bio.get(), &data); |
+ if (!data || len < 0) |
+ return false; |
+ |
+ STLAssignToVector(output, reinterpret_cast<const uint8*>(data), len); |
+ return true; |
+} |
+ |
+} // namespace |
+ |
+// static |
+RSAPrivateKey* RSAPrivateKey::Create(uint16 num_bits) { |
+ OpenSSLErrStackTracer err_tracer(FROM_HERE); |
+ |
+ ScopedOpenSSL<RSA, RSA_free> rsa_key(RSA_new()); |
+ ScopedOpenSSL<BIGNUM, BN_free> bn(BN_new()); |
+ if (!rsa_key.get() || !bn.get() || !BN_set_word(bn.get(), 65537L)) |
+ return NULL; |
+ |
+ if (!RSA_generate_key_ex(rsa_key.get(), num_bits, bn.get(), NULL)) |
+ return NULL; |
+ |
+ scoped_ptr<RSAPrivateKey> result(new RSAPrivateKey); |
+ result->key_ = EVP_PKEY_new(); |
+ if (!result->key_ || !EVP_PKEY_set1_RSA(result->key_, rsa_key.get())) |
+ return NULL; |
+ |
+ return result.release(); |
+} |
+ |
+// static |
+RSAPrivateKey* RSAPrivateKey::CreateSensitive(uint16 num_bits) { |
+ NOTIMPLEMENTED(); |
+ return NULL; |
+} |
+ |
+// static |
+RSAPrivateKey* RSAPrivateKey::CreateFromPrivateKeyInfo( |
+ const std::vector<uint8>& input) { |
+ OpenSSLErrStackTracer err_tracer(FROM_HERE); |
+ |
+ // BIO_new_mem_buf is not const aware, but it does not modify the buffer. |
+ char* data = reinterpret_cast<char*>(const_cast<uint8*>( |
+ vector_as_array(&input))); |
+ ScopedOpenSSL<BIO, BIO_free_all> bio(BIO_new_mem_buf(data, input.size())); |
+ if (!bio.get()) |
+ return NULL; |
+ |
+ // Importing is a little more involved than exporting, as we must first |
+ // PKCS#8 decode the input, and then import the EVP_PKEY from Private Key |
+ // Info structure returned. |
+ ScopedOpenSSL<PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_free> p8inf( |
+ d2i_PKCS8_PRIV_KEY_INFO_bio(bio.get(), NULL)); |
+ if (!p8inf.get()) |
+ return NULL; |
+ |
+ scoped_ptr<RSAPrivateKey> result(new RSAPrivateKey); |
+ result->key_ = EVP_PKCS82PKEY(p8inf.get()); |
+ if (!result->key_) |
+ return NULL; |
+ |
+ return result.release(); |
+} |
+ |
+// static |
+RSAPrivateKey* RSAPrivateKey::CreateSensitiveFromPrivateKeyInfo( |
+ const std::vector<uint8>& input) { |
+ NOTIMPLEMENTED(); |
+ return NULL; |
+} |
+ |
+// static |
+RSAPrivateKey* RSAPrivateKey::FindFromPublicKeyInfo( |
+ const std::vector<uint8>& input) { |
+ NOTIMPLEMENTED(); |
+ return NULL; |
+} |
+ |
+RSAPrivateKey::RSAPrivateKey() |
+ : key_(NULL) { |
+} |
+ |
+RSAPrivateKey::~RSAPrivateKey() { |
+ if (key_) |
+ EVP_PKEY_free(key_); |
+} |
+ |
+bool RSAPrivateKey::ExportPrivateKey(std::vector<uint8>* output) { |
+ return ExportKey(key_, i2d_PKCS8PrivateKeyInfo_bio, output); |
+} |
+ |
+bool RSAPrivateKey::ExportPublicKey(std::vector<uint8>* output) { |
+ return ExportKey(key_, i2d_PUBKEY_bio, output); |
+} |
+ |
+} // namespace crypto |
Property changes on: crypto\rsa_private_key_openssl.cc |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |