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#include <qpdf/QPDFCrypto_native.hh>
#include <qpdf/QUtil.hh>
#ifdef USE_INSECURE_RANDOM
# include <qpdf/InsecureRandomDataProvider.hh>
#endif
#include <qpdf/SecureRandomDataProvider.hh>
static RandomDataProvider* getRandomProvider()
{
#ifdef USE_INSECURE_RANDOM
static RandomDataProvider* insecure_random_data_provider =
InsecureRandomDataProvider::getInstance();
#else
static RandomDataProvider* insecure_random_data_provider = 0;
#endif
static RandomDataProvider* secure_random_data_provider =
SecureRandomDataProvider::getInstance();
static RandomDataProvider* provider = (
secure_random_data_provider ? secure_random_data_provider
: insecure_random_data_provider ? insecure_random_data_provider
: 0);
if (provider == 0)
{
throw std::logic_error("QPDFCrypto_native has no random data provider");
}
return provider;
}
void
QPDFCrypto_native::provideRandomData(unsigned char* data, size_t len)
{
getRandomProvider()->provideRandomData(data, len);
}
void
QPDFCrypto_native::MD5_init()
{
this->md5 = std::make_shared<MD5_native>();
}
void
QPDFCrypto_native::MD5_update(unsigned char const* data, size_t len)
{
this->md5->update(const_cast<unsigned char*>(data), len);
}
void
QPDFCrypto_native::MD5_finalize()
{
this->md5->finalize();
}
void
QPDFCrypto_native::MD5_digest(MD5_Digest d)
{
this->md5->digest(d);
}
void
QPDFCrypto_native::RC4_init(unsigned char const* key_data, int key_len)
{
this->rc4 = std::make_shared<RC4_native>(key_data, key_len);
}
void
QPDFCrypto_native::RC4_process(unsigned char* in_data, size_t len,
unsigned char* out_data)
{
this->rc4->process(in_data, len, out_data);
}
void
QPDFCrypto_native::RC4_finalize()
{
}
void
QPDFCrypto_native::SHA2_init(int bits)
{
this->sha2 = std::make_shared<SHA2_native>(bits);
}
void
QPDFCrypto_native::SHA2_update(unsigned char const* data, size_t len)
{
this->sha2->update(data, len);
}
void
QPDFCrypto_native::SHA2_finalize()
{
this->sha2->finalize();
}
std::string
QPDFCrypto_native::SHA2_digest()
{
return this->sha2->getRawDigest();
}
void
QPDFCrypto_native::rijndael_init(
bool encrypt, unsigned char const* key_data, size_t key_len,
bool cbc_mode, unsigned char* cbc_block)
{
this->aes_pdf = std::make_shared<AES_PDF_native>(
encrypt, key_data, key_len, cbc_mode, cbc_block);
}
void
QPDFCrypto_native::rijndael_process(unsigned char* in_data,
unsigned char* out_data)
{
this->aes_pdf->update(in_data, out_data);
}
void
QPDFCrypto_native::rijndael_finalize()
{
}
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