9 #ifndef BOTAN_AEAD_SIV_H_
10 #define BOTAN_AEAD_SIV_H_
12 #include <botan/aead.h>
13 #include <botan/stream_cipher.h>
20 class MessageAuthenticationCode;
28 size_t process(uint8_t buf[],
size_t size)
override;
45 std::string
name()
const override;
53 void clear()
override;
55 void reset()
override;
57 size_t tag_size()
const override {
return 16; }
74 void start_msg(
const uint8_t nonce[],
size_t nonce_len)
override;
76 void key_schedule(
const uint8_t key[],
size_t length)
override;
79 std::unique_ptr<StreamCipher> m_ctr;
80 std::unique_ptr<MessageAuthenticationCode> m_mac;
82 std::vector<secure_vector<uint8_t>> m_ad_macs;
100 {
return input_length +
tag_size(); }
secure_vector< uint8_t > & msg_buf()
size_t output_length(size_t input_length) const override
virtual size_t maximum_associated_data_inputs() const
int(* final)(unsigned char *, CTX *)
virtual size_t update_granularity() const =0
#define BOTAN_PUBLIC_API(maj, min)
SIV_Encryption(BlockCipher *cipher)
virtual void start_msg(const uint8_t nonce[], size_t nonce_len)=0
size_t block_size() const
#define BOTAN_ASSERT(expr, assertion_made)
std::vector< T, secure_allocator< T >> secure_vector
size_t minimum_final_size() const override
SIV_Decryption(BlockCipher *cipher)
virtual std::string name() const =0
void set_associated_data(const uint8_t ad[], size_t ad_len) override
size_t tag_size() const override
virtual Key_Length_Specification key_spec() const =0
virtual size_t process(uint8_t msg[], size_t msg_len)=0
virtual void set_associated_data_n(size_t i, const uint8_t ad[], size_t ad_len)
size_t output_length(size_t input_length) const override
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
virtual bool valid_nonce_length(size_t nonce_len) const =0
virtual void finish(secure_vector< uint8_t > &final_block, size_t offset=0)=0
size_t minimum_final_size() const override