Botan 2.19.1
Crypto and TLS for C&
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#include <ghash.h>
Public Member Functions | |
void | add_final_block (secure_vector< uint8_t > &x, size_t ad_len, size_t pt_len) |
void | clear () override |
secure_vector< uint8_t > | final () |
void | final (uint8_t out[], size_t out_len) |
void | ghash_update (secure_vector< uint8_t > &x, const uint8_t input[], size_t input_len) |
Key_Length_Specification | key_spec () const override |
size_t | maximum_keylength () const |
size_t | minimum_keylength () const |
std::string | name () const override |
secure_vector< uint8_t > | nonce_hash (const uint8_t nonce[], size_t nonce_len) |
void | nonce_hash (secure_vector< uint8_t > &y0, const uint8_t nonce[], size_t len) |
std::string | provider () const |
void | reset () |
void | set_associated_data (const uint8_t ad[], size_t ad_len) |
template<typename Alloc > | |
void | set_key (const std::vector< uint8_t, Alloc > &key) |
void | set_key (const SymmetricKey &key) |
void | set_key (const uint8_t key[], size_t length) |
void | start (const uint8_t nonce[], size_t len) |
void | update (const uint8_t in[], size_t len) |
void | update_associated_data (const uint8_t ad[], size_t len) |
bool | valid_keylength (size_t length) const |
Protected Member Functions | |
void | verify_key_set (bool cond) const |
GCM's GHASH This is not intended for general use, but is exposed to allow shared code between GCM and GMAC
void Botan::GHASH::add_final_block | ( | secure_vector< uint8_t > & | x, |
size_t | ad_len, | ||
size_t | pt_len | ||
) |
Definition at line 189 of file ghash.cpp.
References ghash_update(), and hash.
Referenced by final(), and nonce_hash().
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overridevirtual |
Reset the state.
Implements Botan::SymmetricAlgorithm.
Definition at line 221 of file ghash.cpp.
References reset(), and Botan::zap().
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inline |
void Botan::GHASH::final | ( | uint8_t | out[], |
size_t | out_len | ||
) |
Definition at line 201 of file ghash.cpp.
References add_final_block(), and BOTAN_ARG_CHECK.
void Botan::GHASH::ghash_update | ( | secure_vector< uint8_t > & | x, |
const uint8_t | input[], | ||
size_t | input_len | ||
) |
Definition at line 88 of file ghash.cpp.
References Botan::copy_mem(), Botan::secure_scrub_memory(), and Botan::SymmetricAlgorithm::verify_key_set().
Referenced by add_final_block(), nonce_hash(), set_associated_data(), update(), and update_associated_data().
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inlineoverridevirtual |
Implements Botan::SymmetricAlgorithm.
Definition at line 58 of file ghash.h.
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inlineinherited |
Definition at line 120 of file sym_algo.h.
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inlineinherited |
Definition at line 128 of file sym_algo.h.
Referenced by botan_block_cipher_get_keyspec(), and botan_mac_get_keyspec().
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inlineoverridevirtual |
Implements Botan::SymmetricAlgorithm.
Definition at line 65 of file ghash.h.
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inline |
Definition at line 28 of file ghash.h.
void Botan::GHASH::nonce_hash | ( | secure_vector< uint8_t > & | y0, |
const uint8_t | nonce[], | ||
size_t | len | ||
) |
Definition at line 213 of file ghash.cpp.
References add_final_block(), BOTAN_ASSERT, and ghash_update().
std::string Botan::GHASH::provider | ( | ) | const |
Definition at line 17 of file ghash.cpp.
References Botan::CPUID::has_carryless_multiply(), and Botan::CPUID::has_vperm().
void Botan::GHASH::reset | ( | ) |
Definition at line 228 of file ghash.cpp.
References Botan::zeroise().
Referenced by clear().
void Botan::GHASH::set_associated_data | ( | const uint8_t | ad[], |
size_t | ad_len | ||
) |
Definition at line 164 of file ghash.cpp.
References ghash_update(), and Botan::zeroise().
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inlineinherited |
Definition at line 153 of file sym_algo.h.
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inlineinherited |
Set the symmetric key of this object.
key | the SymmetricKey to be set. |
Definition at line 147 of file sym_algo.h.
References Botan::OctetString::begin(), and Botan::OctetString::length().
Referenced by Botan::aont_package(), Botan::aont_unpackage(), botan_block_cipher_set_key(), botan_cipher_set_key(), botan_mac_set_key(), Botan::Sodium::crypto_stream_salsa20(), Botan::Sodium::crypto_stream_salsa20_xor_ic(), Botan::Sodium::crypto_stream_xsalsa20(), Botan::Sodium::crypto_stream_xsalsa20_xor_ic(), Botan::FPE::fe1_decrypt(), Botan::FPE::fe1_encrypt(), and Botan::Sodium::randombytes_buf_deterministic().
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inherited |
Set the symmetric key of this object.
key | the to be set as a byte array. |
length | in bytes of key param |
Definition at line 17 of file sym_algo.cpp.
References Botan::SymmetricAlgorithm::name(), and Botan::SymmetricAlgorithm::valid_keylength().
void Botan::GHASH::start | ( | const uint8_t | nonce[], |
size_t | len | ||
) |
Definition at line 157 of file ghash.cpp.
References BOTAN_ARG_CHECK.
void Botan::GHASH::update | ( | const uint8_t | in[], |
size_t | len | ||
) |
Definition at line 182 of file ghash.cpp.
References ghash_update(), and Botan::SymmetricAlgorithm::verify_key_set().
void Botan::GHASH::update_associated_data | ( | const uint8_t | ad[], |
size_t | len | ||
) |
Definition at line 175 of file ghash.cpp.
References ghash_update(), and Botan::SymmetricAlgorithm::verify_key_set().
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inlineinherited |
Check whether a given key length is valid for this algorithm.
length | the key length to be checked. |
Definition at line 138 of file sym_algo.h.
Referenced by Botan::aont_package(), Botan::aont_unpackage(), and Botan::SymmetricAlgorithm::set_key().
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inlineprotectedinherited |
Definition at line 171 of file sym_algo.h.
Referenced by Botan::ChaCha::cipher(), Botan::CTR_BE::cipher(), Botan::RC4::cipher(), Botan::Salsa20::cipher(), Botan::SHAKE_128_Cipher::cipher(), Botan::AES_128::decrypt_n(), Botan::AES_192::decrypt_n(), Botan::AES_256::decrypt_n(), Botan::ARIA_128::decrypt_n(), Botan::ARIA_192::decrypt_n(), Botan::ARIA_256::decrypt_n(), Botan::Blowfish::decrypt_n(), Botan::Camellia_128::decrypt_n(), Botan::Camellia_192::decrypt_n(), Botan::Camellia_256::decrypt_n(), Botan::CAST_128::decrypt_n(), Botan::CAST_256::decrypt_n(), Botan::DES::decrypt_n(), Botan::TripleDES::decrypt_n(), Botan::DESX::decrypt_n(), Botan::GOST_28147_89::decrypt_n(), Botan::IDEA::decrypt_n(), Botan::KASUMI::decrypt_n(), Botan::Lion::decrypt_n(), Botan::MISTY1::decrypt_n(), Botan::Noekeon::decrypt_n(), Botan::SEED::decrypt_n(), Botan::Serpent::decrypt_n(), Botan::SHACAL2::decrypt_n(), Botan::SM4::decrypt_n(), Botan::Threefish_512::decrypt_n(), Botan::Twofish::decrypt_n(), Botan::XTEA::decrypt_n(), Botan::AES_128::encrypt_n(), Botan::AES_192::encrypt_n(), Botan::AES_256::encrypt_n(), Botan::ARIA_128::encrypt_n(), Botan::ARIA_192::encrypt_n(), Botan::ARIA_256::encrypt_n(), Botan::Blowfish::encrypt_n(), Botan::Camellia_128::encrypt_n(), Botan::Camellia_192::encrypt_n(), Botan::Camellia_256::encrypt_n(), Botan::CAST_128::encrypt_n(), Botan::CAST_256::encrypt_n(), Botan::DES::encrypt_n(), Botan::TripleDES::encrypt_n(), Botan::DESX::encrypt_n(), Botan::GOST_28147_89::encrypt_n(), Botan::IDEA::encrypt_n(), Botan::KASUMI::encrypt_n(), Botan::Lion::encrypt_n(), Botan::MISTY1::encrypt_n(), Botan::Noekeon::encrypt_n(), Botan::SEED::encrypt_n(), Botan::Serpent::encrypt_n(), Botan::SHACAL2::encrypt_n(), Botan::SM4::encrypt_n(), Botan::Threefish_512::encrypt_n(), Botan::Twofish::encrypt_n(), Botan::XTEA::encrypt_n(), Botan::OCB_Encryption::finish(), Botan::OCB_Decryption::finish(), ghash_update(), Botan::CFB_Encryption::process(), Botan::CFB_Decryption::process(), Botan::ChaCha::seek(), Botan::CTR_BE::seek(), Botan::Salsa20::seek(), Botan::OCB_Mode::set_associated_data(), Botan::ChaCha::set_iv(), Botan::Salsa20::set_iv(), update(), update_associated_data(), and Botan::ChaCha::write_keystream().