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new wipeable_string class to replace std::string passphrases

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moneromooo-monero 2017-11-25 14:50:15 +00:00
parent 7a2a574118
commit 3dffe71b72
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GPG key ID: 686F07454D6CEFC3
15 changed files with 293 additions and 68 deletions
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5
src/cryptonote_basic/cryptonote_format_utils.cpp
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@ -32,6 +32,7 @@
using namespace epee;
#include <atomic>
#include "wipeable_string.h"
#include "cryptonote_format_utils.h"
#include "cryptonote_config.h"
#include "crypto/crypto.h"
@ -994,7 +995,7 @@ namespace cryptonote
block_hashes_cached = block_hashes_cached_count;
}
//---------------------------------------------------------------
crypto::secret_key encrypt_key(crypto::secret_key key, const std::string &passphrase)
crypto::secret_key encrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase)
{
crypto::hash hash;
crypto::cn_slow_hash(passphrase.data(), passphrase.size(), hash);
@ -1002,7 +1003,7 @@ namespace cryptonote
return key;
}
//---------------------------------------------------------------
crypto::secret_key decrypt_key(crypto::secret_key key, const std::string &passphrase)
crypto::secret_key decrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase)
{
crypto::hash hash;
crypto::cn_slow_hash(passphrase.data(), passphrase.size(), hash);

9
src/cryptonote_basic/cryptonote_format_utils.h
View file

@ -38,6 +38,11 @@
#include "crypto/hash.h"
#include <unordered_map>
namespace epee
{
class wipeable_string;
}
namespace cryptonote
{
//---------------------------------------------------------------
@ -226,8 +231,8 @@ namespace cryptonote
bool is_valid_decomposed_amount(uint64_t amount);
void get_hash_stats(uint64_t &tx_hashes_calculated, uint64_t &tx_hashes_cached, uint64_t &block_hashes_calculated, uint64_t & block_hashes_cached);
crypto::secret_key encrypt_key(crypto::secret_key key, const std::string &passphrase);
crypto::secret_key decrypt_key(crypto::secret_key key, const std::string &passphrase);
crypto::secret_key encrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase);
crypto::secret_key decrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase);
#define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \
CHECK_AND_ASSERT_MES(variant_var.type() == typeid(specific_type), fail_return_val, "wrong variant type: " << variant_var.type().name() << ", expected " << typeid(specific_type).name()); \
specific_type& variable_name = boost::get<specific_type>(variant_var);