9#ifndef BOTAN_AEAD_OCB_H_
10#define BOTAN_AEAD_OCB_H_
12#include <botan/aead.h>
14#include <botan/assert.h>
15#include <botan/block_cipher.h>
37 std::string
name()
const override final;
47 size_t tag_size() const override final {
return m_tag_size; }
49 void clear() override final;
51 void reset() override final;
53 bool has_keying_material() const override final;
72 std::unique_ptr<L_computer>
m_L;
80 void start_msg(
const uint8_t nonce[],
size_t nonce_len)
override final;
82 void key_schedule(std::span<const uint8_t> key)
override final;
86 const size_t m_tag_size;
87 const size_t m_block_size;
88 const size_t m_par_blocks;
109 void encrypt(uint8_t input[],
size_t blocks);
110 size_t process_msg(uint8_t buf[],
size_t size)
override;
131 void decrypt(uint8_t input[],
size_t blocks);
132 size_t process_msg(uint8_t buf[],
size_t size)
override;
#define BOTAN_ASSERT(expr, assertion_made)
size_t output_length(size_t input_length) const override
size_t minimum_final_size() const override
OCB_Decryption(std::unique_ptr< BlockCipher > cipher, size_t tag_size=16)
OCB_Encryption(std::unique_ptr< BlockCipher > cipher, size_t tag_size=16)
size_t minimum_final_size() const override
size_t output_length(size_t input_length) const override
std::string name() const override final
size_t block_size() const
size_t par_blocks() const
size_t tag_size() const override final
size_t ideal_granularity() const override final
bool valid_nonce_length(size_t) const override final
secure_vector< uint8_t > m_checksum
std::unique_ptr< BlockCipher > m_cipher
secure_vector< uint8_t > m_ad_hash
void set_associated_data_n(size_t idx, std::span< const uint8_t > ad) override final
size_t update_granularity() const override final
Key_Length_Specification key_spec() const override final
OCB_Mode(std::unique_ptr< BlockCipher > cipher, size_t tag_size)
std::unique_ptr< L_computer > m_L
std::vector< T, secure_allocator< T > > secure_vector