9#ifndef BOTAN_AEAD_GCM_H_
10#define BOTAN_AEAD_GCM_H_
12#include <botan/aead.h>
13#include <botan/sym_algo.h>
31 std::string
name()
const override;
39 size_t tag_size()
const override {
return m_tag_size; }
41 void clear()
override;
43 void reset()
override;
45 std::string
provider()
const override;
51 static const size_t GCM_BS = 16;
56 std::unique_ptr<StreamCipher>
m_ctr;
59 void start_msg(
const uint8_t nonce[],
size_t nonce_len)
override;
61 void key_schedule(
const uint8_t key[],
size_t length)
override;
80 {
return input_length +
tag_size(); }
84 size_t process(uint8_t buf[],
size_t size)
override;
110 size_t process(uint8_t buf[],
size_t size)
override;
#define BOTAN_ASSERT(expr, assertion_made)
virtual void set_associated_data(const uint8_t ad[], size_t ad_len)=0
virtual void start_msg(const uint8_t nonce[], size_t nonce_len)=0
virtual std::string provider() const
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
size_t minimum_final_size() const override
GCM_Decryption(BlockCipher *cipher, size_t tag_size=16)
size_t output_length(size_t input_length) const override
size_t output_length(size_t input_length) const override
GCM_Encryption(BlockCipher *cipher, size_t tag_size=16)
size_t minimum_final_size() const override
std::unique_ptr< GHASH > m_ghash
const std::string m_cipher_name
std::unique_ptr< StreamCipher > m_ctr
size_t tag_size() const override
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