9#ifndef BOTAN_AEAD_CCM_H_
10#define BOTAN_AEAD_CCM_H_
12#include <botan/aead.h>
13#include <botan/block_cipher.h>
26 size_t process(uint8_t buf[],
size_t sz)
override;
32 std::string
name()
const override;
42 void clear()
override;
44 void reset()
override;
46 size_t tag_size()
const override {
return m_tag_size; }
51 size_t L()
const {
return m_L; }
55 void encode_length(uint64_t len, uint8_t out[]);
66 void start_msg(
const uint8_t nonce[],
size_t nonce_len)
override;
68 void key_schedule(
const uint8_t key[],
size_t length)
override;
70 const size_t m_tag_size;
73 std::unique_ptr<BlockCipher> m_cipher;
96 {
return input_length +
tag_size(); }
#define BOTAN_ASSERT(expr, assertion_made)
virtual void set_associated_data(const uint8_t ad[], size_t ad_len)=0
size_t default_nonce_length() const override
size_t output_length(size_t input_length) const override
CCM_Decryption(BlockCipher *cipher, size_t tag_size=16, size_t L=3)
size_t minimum_final_size() const override
size_t minimum_final_size() const override
size_t output_length(size_t input_length) const override
CCM_Encryption(BlockCipher *cipher, size_t tag_size=16, size_t L=3)
bool associated_data_requires_key() const override
secure_vector< uint8_t > & msg_buf()
const BlockCipher & cipher() const
const secure_vector< uint8_t > & ad_buf() const
size_t tag_size() const override
virtual void start_msg(const uint8_t nonce[], size_t nonce_len)=0
virtual size_t process(uint8_t msg[], size_t msg_len)=0
virtual void finish(secure_vector< uint8_t > &final_block, size_t offset=0)=0
virtual size_t tag_size() const
virtual size_t update_granularity() const =0
virtual bool valid_nonce_length(size_t nonce_len) const =0
virtual std::string name() const =0
virtual Key_Length_Specification key_spec() const =0
int(* final)(unsigned char *, CTX *)
#define BOTAN_PUBLIC_API(maj, min)
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
std::vector< T, secure_allocator< T > > secure_vector