diff options
Diffstat (limited to 'src/libs/3rdparty/botan/src/lib/filters/cipher_filter.h')
-rw-r--r-- | src/libs/3rdparty/botan/src/lib/filters/cipher_filter.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/filters/cipher_filter.h b/src/libs/3rdparty/botan/src/lib/filters/cipher_filter.h new file mode 100644 index 0000000000..750385d152 --- /dev/null +++ b/src/libs/3rdparty/botan/src/lib/filters/cipher_filter.h @@ -0,0 +1,58 @@ +/* +* Filter interface for ciphers +* (C) 2013,2016 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_TRANSFORM_FILTER_H_ +#define BOTAN_TRANSFORM_FILTER_H_ + +#include <botan/cipher_mode.h> +#include <botan/key_filt.h> +#include <botan/buf_filt.h> + +namespace Botan { + +/** +* Filter interface for cipher modes +*/ +class BOTAN_PUBLIC_API(2,0) Cipher_Mode_Filter final : public Keyed_Filter, + private Buffered_Filter + { + public: + explicit Cipher_Mode_Filter(Cipher_Mode* t); + + explicit Cipher_Mode_Filter(std::unique_ptr<Cipher_Mode> t) : + Cipher_Mode_Filter(t.release()) {} + + void set_iv(const InitializationVector& iv) override; + + void set_key(const SymmetricKey& key) override; + + Key_Length_Specification key_spec() const override; + + bool valid_iv_length(size_t length) const override; + + std::string name() const override; + + private: + void write(const uint8_t input[], size_t input_length) override; + void start_msg() override; + void end_msg() override; + + void buffered_block(const uint8_t input[], size_t input_length) override; + void buffered_final(const uint8_t input[], size_t input_length) override; + + std::unique_ptr<Cipher_Mode> m_mode; + std::vector<uint8_t> m_nonce; + secure_vector<uint8_t> m_buffer; + }; + +// deprecated aliases, will be removed before 2.0 +typedef Cipher_Mode_Filter Transform_Filter; +typedef Transform_Filter Transformation_Filter; + +} + +#endif |