diff options
author | Jay Berkenbilt <ejb@ql.org> | 2013-11-30 18:02:56 +0100 |
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committer | Jay Berkenbilt <ejb@ql.org> | 2013-12-14 21:17:35 +0100 |
commit | 5e3bad2f86665b35155095b91a2d672fc7335870 (patch) | |
tree | 984d4830ee0dd3b8e90bae913f411a84c8e876d4 /libqpdf/qpdf | |
parent | e9a319fb9536347aeab076cdb18e1ff97eb66c07 (diff) | |
download | qpdf-5e3bad2f86665b35155095b91a2d672fc7335870.tar.zst |
Refactor random data generation
Add new RandomDataProvider object and implement existing random number
generation in terms of that. This enables end users to supply their
own random data providers.
Diffstat (limited to 'libqpdf/qpdf')
-rw-r--r-- | libqpdf/qpdf/InsecureRandomDataProvider.hh | 27 | ||||
-rw-r--r-- | libqpdf/qpdf/SecureRandomDataProvider.hh | 22 |
2 files changed, 49 insertions, 0 deletions
diff --git a/libqpdf/qpdf/InsecureRandomDataProvider.hh b/libqpdf/qpdf/InsecureRandomDataProvider.hh new file mode 100644 index 00000000..530ee3cb --- /dev/null +++ b/libqpdf/qpdf/InsecureRandomDataProvider.hh @@ -0,0 +1,27 @@ +#ifndef __INSECURERANDOMDATAPROVIDER_HH__ +#define __INSECURERANDOMDATAPROVIDER_HH__ + +#include <qpdf/RandomDataProvider.hh> +#include <qpdf/DLL.h> + +class InsecureRandomDataProvider: public RandomDataProvider +{ + public: + QPDF_DLL + InsecureRandomDataProvider(); + QPDF_DLL + virtual ~InsecureRandomDataProvider(); + + QPDF_DLL + virtual void provideRandomData(unsigned char* data, size_t len); + + QPDF_DLL + static RandomDataProvider* getInstance(); + + private: + long random(); + + bool seeded_random; +}; + +#endif // __INSECURERANDOMDATAPROVIDER_HH__ diff --git a/libqpdf/qpdf/SecureRandomDataProvider.hh b/libqpdf/qpdf/SecureRandomDataProvider.hh new file mode 100644 index 00000000..178c73c0 --- /dev/null +++ b/libqpdf/qpdf/SecureRandomDataProvider.hh @@ -0,0 +1,22 @@ +#ifndef __SECURERANDOMDATAPROVIDER_HH__ +#define __SECURERANDOMDATAPROVIDER_HH__ + +#include <qpdf/RandomDataProvider.hh> +#include <qpdf/DLL.h> + +class SecureRandomDataProvider: public RandomDataProvider +{ + public: + QPDF_DLL + SecureRandomDataProvider(); + QPDF_DLL + virtual ~SecureRandomDataProvider(); + + QPDF_DLL + virtual void provideRandomData(unsigned char* data, size_t len); + + QPDF_DLL + static RandomDataProvider* getInstance(); +}; + +#endif // __SECURERANDOMDATAPROVIDER_HH__ |