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-rw-r--r--crypto/ec_private_key_openssl.cc238
1 files changed, 0 insertions, 238 deletions
diff --git a/crypto/ec_private_key_openssl.cc b/crypto/ec_private_key_openssl.cc
deleted file mode 100644
index 35403f39ce..0000000000
--- a/crypto/ec_private_key_openssl.cc
+++ /dev/null
@@ -1,238 +0,0 @@
-// Copyright (c) 2012 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/ec_private_key.h"
-
-#include <openssl/ec.h>
-#include <openssl/evp.h>
-#include <openssl/pkcs12.h>
-#include <openssl/x509.h>
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "crypto/openssl_util.h"
-#include "crypto/scoped_openssl_types.h"
-
-namespace crypto {
-
-namespace {
-
-// Function pointer definition, for injecting the required key export function
-// into ExportKeyWithBio, below. |bio| is a temporary memory BIO object, and
-// |key| is a handle to the input key object. Return 1 on success, 0 otherwise.
-// NOTE: Used with OpenSSL functions, which do not comply with the Chromium
-// style guide, hence the unusual parameter placement / types.
-typedef int (*ExportBioFunction)(BIO* bio, const void* key);
-
-using ScopedPKCS8_PRIV_KEY_INFO =
- ScopedOpenSSL<PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_free>;
-using ScopedX509_SIG = ScopedOpenSSL<X509_SIG, X509_SIG_free>;
-
-// Helper to export |key| into |output| via the specified ExportBioFunction.
-bool ExportKeyWithBio(const void* key,
- ExportBioFunction export_fn,
- std::vector<uint8>* output) {
- if (!key)
- return false;
-
- ScopedBIO bio(BIO_new(BIO_s_mem()));
- if (!bio.get())
- return false;
-
- if (!export_fn(bio.get(), key))
- return false;
-
- char* data = NULL;
- long len = BIO_get_mem_data(bio.get(), &data);
- if (!data || len < 0)
- return false;
-
- output->assign(data, data + len);
- return true;
-}
-
-// Function pointer definition, for injecting the required key export function
-// into ExportKey below. |key| is a pointer to the input key object,
-// and |data| is either NULL, or the address of an 'unsigned char*' pointer
-// that points to the start of the output buffer. The function must return
-// the number of bytes required to export the data, or -1 in case of error.
-typedef int (*ExportDataFunction)(const void* key, unsigned char** data);
-
-// Helper to export |key| into |output| via the specified export function.
-bool ExportKey(const void* key,
- ExportDataFunction export_fn,
- std::vector<uint8>* output) {
- if (!key)
- return false;
-
- int data_len = export_fn(key, NULL);
- if (data_len < 0)
- return false;
-
- output->resize(static_cast<size_t>(data_len));
- unsigned char* data = &(*output)[0];
- if (export_fn(key, &data) < 0)
- return false;
-
- return true;
-}
-
-} // namespace
-
-ECPrivateKey::~ECPrivateKey() {
- if (key_)
- EVP_PKEY_free(key_);
-}
-
-ECPrivateKey* ECPrivateKey::Copy() const {
- scoped_ptr<ECPrivateKey> copy(new ECPrivateKey);
- if (key_)
- copy->key_ = EVP_PKEY_up_ref(key_);
- return copy.release();
-}
-
-// static
-bool ECPrivateKey::IsSupported() { return true; }
-
-// static
-ECPrivateKey* ECPrivateKey::Create() {
- OpenSSLErrStackTracer err_tracer(FROM_HERE);
-
- ScopedEC_KEY ec_key(EC_KEY_new_by_curve_name(NID_X9_62_prime256v1));
- if (!ec_key.get() || !EC_KEY_generate_key(ec_key.get()))
- return NULL;
-
- scoped_ptr<ECPrivateKey> result(new ECPrivateKey());
- result->key_ = EVP_PKEY_new();
- if (!result->key_ || !EVP_PKEY_set1_EC_KEY(result->key_, ec_key.get()))
- return NULL;
-
- CHECK_EQ(EVP_PKEY_EC, EVP_PKEY_type(result->key_->type));
- return result.release();
-}
-
-// static
-ECPrivateKey* ECPrivateKey::CreateFromEncryptedPrivateKeyInfo(
- const std::string& password,
- const std::vector<uint8>& encrypted_private_key_info,
- const std::vector<uint8>& subject_public_key_info) {
- // NOTE: The |subject_public_key_info| can be ignored here, it is only
- // useful for the NSS implementation (which uses the public key's SHA1
- // as a lookup key when storing the private one in its store).
- if (encrypted_private_key_info.empty())
- return NULL;
-
- OpenSSLErrStackTracer err_tracer(FROM_HERE);
-
- const uint8_t* data = &encrypted_private_key_info[0];
- const uint8_t* ptr = data;
- ScopedX509_SIG p8_encrypted(
- d2i_X509_SIG(NULL, &ptr, encrypted_private_key_info.size()));
- if (!p8_encrypted || ptr != data + encrypted_private_key_info.size())
- return NULL;
-
- ScopedPKCS8_PRIV_KEY_INFO p8_decrypted;
- if (password.empty()) {
- // Hack for reading keys generated by an older version of the OpenSSL
- // code. OpenSSL used to use "\0\0" rather than the empty string because it
- // would treat the password as an ASCII string to be converted to UCS-2
- // while NSS used a byte string.
- p8_decrypted.reset(PKCS8_decrypt_pbe(
- p8_encrypted.get(), reinterpret_cast<const uint8_t*>("\0\0"), 2));
- }
- if (!p8_decrypted) {
- p8_decrypted.reset(PKCS8_decrypt_pbe(
- p8_encrypted.get(),
- reinterpret_cast<const uint8_t*>(password.data()),
- password.size()));
- }
-
- if (!p8_decrypted)
- return NULL;
-
- // Create a new EVP_PKEY for it.
- scoped_ptr<ECPrivateKey> result(new ECPrivateKey);
- result->key_ = EVP_PKCS82PKEY(p8_decrypted.get());
- if (!result->key_ || EVP_PKEY_type(result->key_->type) != EVP_PKEY_EC)
- return NULL;
-
- return result.release();
-}
-
-bool ECPrivateKey::ExportEncryptedPrivateKey(
- const std::string& password,
- int iterations,
- std::vector<uint8>* output) {
- OpenSSLErrStackTracer err_tracer(FROM_HERE);
- // Convert into a PKCS#8 object.
- ScopedPKCS8_PRIV_KEY_INFO pkcs8(EVP_PKEY2PKCS8(key_));
- if (!pkcs8.get())
- return false;
-
- // Encrypt the object.
- // NOTE: NSS uses SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC
- // so use NID_pbe_WithSHA1And3_Key_TripleDES_CBC which should be the OpenSSL
- // equivalent.
- ScopedX509_SIG encrypted(PKCS8_encrypt_pbe(
- NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
- reinterpret_cast<const uint8_t*>(password.data()),
- password.size(),
- NULL,
- 0,
- iterations,
- pkcs8.get()));
- if (!encrypted.get())
- return false;
-
- // Write it into |*output|
- return ExportKeyWithBio(encrypted.get(),
- reinterpret_cast<ExportBioFunction>(i2d_PKCS8_bio),
- output);
-}
-
-bool ECPrivateKey::ExportPublicKey(std::vector<uint8>* output) {
- OpenSSLErrStackTracer err_tracer(FROM_HERE);
- return ExportKeyWithBio(
- key_, reinterpret_cast<ExportBioFunction>(i2d_PUBKEY_bio), output);
-}
-
-bool ECPrivateKey::ExportRawPublicKey(std::string* output) {
- // i2d_PublicKey will produce an ANSI X9.62 public key which, for a P-256
- // key, is 0x04 (meaning uncompressed) followed by the x and y field
- // elements as 32-byte, big-endian numbers.
- static const int kExpectedKeyLength = 65;
-
- int len = i2d_PublicKey(key_, NULL);
- if (len != kExpectedKeyLength)
- return false;
-
- uint8 buf[kExpectedKeyLength];
- uint8* derp = buf;
- len = i2d_PublicKey(key_, &derp);
- if (len != kExpectedKeyLength)
- return false;
-
- output->assign(reinterpret_cast<char*>(buf + 1), kExpectedKeyLength - 1);
- return true;
-}
-
-bool ECPrivateKey::ExportValue(std::vector<uint8>* output) {
- OpenSSLErrStackTracer err_tracer(FROM_HERE);
- ScopedEC_KEY ec_key(EVP_PKEY_get1_EC_KEY(key_));
- return ExportKey(ec_key.get(),
- reinterpret_cast<ExportDataFunction>(i2d_ECPrivateKey),
- output);
-}
-
-bool ECPrivateKey::ExportECParams(std::vector<uint8>* output) {
- OpenSSLErrStackTracer err_tracer(FROM_HERE);
- ScopedEC_KEY ec_key(EVP_PKEY_get1_EC_KEY(key_));
- return ExportKey(ec_key.get(),
- reinterpret_cast<ExportDataFunction>(i2d_ECParameters),
- output);
-}
-
-ECPrivateKey::ECPrivateKey() : key_(NULL) {}
-
-} // namespace crypto
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