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Wipe AES key from memory after using it

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Andrew Ayer
2014-07-07 22:41:13 -07:00
parent 22bae167b0
commit 8de40f40b3
1 changed files with 3 additions and 0 deletions
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3
crypto-openssl.cpp
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@@ -37,6 +37,7 @@
#include <openssl/rand.h> #include <openssl/rand.h>
#include <openssl/err.h> #include <openssl/err.h>
#include <sstream> #include <sstream>
#include <cstring>
void init_crypto () void init_crypto ()
{ {
@@ -59,6 +60,8 @@ Aes_ecb_encryptor::~Aes_ecb_encryptor ()
{ {
// Note: Explicit destructor necessary because class contains an auto_ptr // Note: Explicit destructor necessary because class contains an auto_ptr
// which contains an incomplete type when the auto_ptr is declared. // which contains an incomplete type when the auto_ptr is declared.
std::memset(&impl->key, '\0', sizeof(impl->key));
} }
void Aes_ecb_encryptor::encrypt(const unsigned char* plain, unsigned char* cipher) void Aes_ecb_encryptor::encrypt(const unsigned char* plain, unsigned char* cipher)