Botan
1.11.15
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#include <noekeon_simd.h>
Public Types | |
enum | |
typedef SCAN_Name | Spec |
Public Member Functions | |
size_t | block_size () const |
void | clear () |
BlockCipher * | clone () const |
void | decrypt (const byte in[], byte out[]) const |
void | decrypt (byte block[]) const |
template<typename Alloc > | |
void | decrypt (std::vector< byte, Alloc > &block) const |
template<typename Alloc , typename Alloc2 > | |
void | decrypt (const std::vector< byte, Alloc > &in, std::vector< byte, Alloc2 > &out) const |
void | decrypt_n (const byte in[], byte out[], size_t blocks) const |
void | encrypt (const byte in[], byte out[]) const |
void | encrypt (byte block[]) const |
template<typename Alloc > | |
void | encrypt (std::vector< byte, Alloc > &block) const |
template<typename Alloc , typename Alloc2 > | |
void | encrypt (const std::vector< byte, Alloc > &in, std::vector< byte, Alloc2 > &out) const |
void | encrypt_n (const byte in[], byte out[], size_t blocks) const |
Key_Length_Specification | key_spec () const |
size_t | maximum_keylength () const |
size_t | minimum_keylength () const |
std::string | name () const |
size_t | parallel_bytes () const |
size_t | parallelism () const |
void | set_key (const SymmetricKey &key) |
template<typename Alloc > | |
void | set_key (const std::vector< byte, Alloc > &key) |
void | set_key (const byte key[], size_t length) |
bool | valid_keylength (size_t length) const |
Protected Member Functions | |
const secure_vector< u32bit > & | get_DK () const |
const secure_vector< u32bit > & | get_EK () const |
Static Protected Attributes | |
static const byte | RC [17] |
Noekeon implementation using SIMD operations
Definition at line 18 of file noekeon_simd.h.
typedef SCAN_Name Botan::BlockCipher::Spec [inherited] |
Definition at line 22 of file block_cipher.h.
anonymous enum [inherited] |
Definition at line 153 of file block_cipher.h.
{ BLOCK_SIZE = BS };
size_t Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::block_size | ( | ) | const [inline, virtual, inherited] |
Implements Botan::BlockCipher.
Definition at line 154 of file block_cipher.h.
{ return BS; }
void Botan::Noekeon::clear | ( | ) | [virtual, inherited] |
Implements Botan::SymmetricAlgorithm.
Definition at line 207 of file noekeon.cpp.
References Botan::zap().
BlockCipher* Botan::Noekeon_SIMD::clone | ( | ) | const [inline, virtual] |
Reimplemented from Botan::Noekeon.
Definition at line 26 of file noekeon_simd.h.
{ return new Noekeon_SIMD; }
void Botan::BlockCipher::decrypt | ( | const byte | in[], |
byte | out[] | ||
) | const [inline, inherited] |
Decrypt a block.
in | The ciphertext block to be decypted as a byte array. Must be of length block_size(). |
out | The byte array designated to hold the decrypted block. Must be of length block_size(). |
Definition at line 59 of file block_cipher.h.
Referenced by Botan::Camellia_128::decrypt_n(), Botan::DESX::decrypt_n(), Botan::Camellia_192::decrypt_n(), Botan::Camellia_256::decrypt_n(), Botan::XTS_Decryption::finish(), and Botan::CTS_Decryption::finish().
{ decrypt_n(in, out, 1); }
void Botan::BlockCipher::decrypt | ( | byte | block[] | ) | const [inline, inherited] |
Decrypt a block.
block | the ciphertext block to be decrypted Must be of length block_size(). Will hold the result when the function has finished. |
Definition at line 76 of file block_cipher.h.
{ decrypt_n(block, block, 1); }
void Botan::BlockCipher::decrypt | ( | std::vector< byte, Alloc > & | block | ) | const [inline, inherited] |
Decrypt one or more blocks
block | the input/output buffer (multiple of block_size()) |
Definition at line 93 of file block_cipher.h.
{ return decrypt_n(&block[0], &block[0], block.size() / block_size()); }
void Botan::BlockCipher::decrypt | ( | const std::vector< byte, Alloc > & | in, |
std::vector< byte, Alloc2 > & | out | ||
) | const [inline, inherited] |
Decrypt one or more blocks
in | the input buffer (multiple of block_size()) |
out | the output buffer (same size as in) |
Definition at line 116 of file block_cipher.h.
{ return decrypt_n(&in[0], &out[0], in.size() / block_size()); }
void Botan::Noekeon_SIMD::decrypt_n | ( | const byte | in[], |
byte | out[], | ||
size_t | blocks | ||
) | const [virtual] |
Decrypt one or more blocks
in | the input buffer (multiple of block_size()) |
out | the output buffer (same size as in) |
blocks | the number of blocks to process |
Reimplemented from Botan::Noekeon.
Definition at line 126 of file noekeon_simd.cpp.
References Botan::Noekeon::get_DK(), Botan::load_be(), NOK_SIMD_GAMMA, NOK_SIMD_THETA, and Botan::Noekeon::RC.
{ const secure_vector<u32bit>& DK = this->get_DK(); SIMD_32 K0 = SIMD_32(DK[0]); SIMD_32 K1 = SIMD_32(DK[1]); SIMD_32 K2 = SIMD_32(DK[2]); SIMD_32 K3 = SIMD_32(DK[3]); while(blocks >= 4) { SIMD_32 A0 = SIMD_32::load_be(in ); SIMD_32 A1 = SIMD_32::load_be(in + 16); SIMD_32 A2 = SIMD_32::load_be(in + 32); SIMD_32 A3 = SIMD_32::load_be(in + 48); SIMD_32::transpose(A0, A1, A2, A3); for(size_t i = 0; i != 16; ++i) { NOK_SIMD_THETA(A0, A1, A2, A3, K0, K1, K2, K3); A0 ^= SIMD_32(RC[16-i]); A1.rotate_left(1); A2.rotate_left(5); A3.rotate_left(2); NOK_SIMD_GAMMA(A0, A1, A2, A3); A1.rotate_right(1); A2.rotate_right(5); A3.rotate_right(2); } NOK_SIMD_THETA(A0, A1, A2, A3, K0, K1, K2, K3); A0 ^= SIMD_32(RC[0]); SIMD_32::transpose(A0, A1, A2, A3); A0.store_be(out); A1.store_be(out + 16); A2.store_be(out + 32); A3.store_be(out + 48); in += 64; out += 64; blocks -= 4; } if(blocks) Noekeon::decrypt_n(in, out, blocks); }
void Botan::BlockCipher::encrypt | ( | const byte | in[], |
byte | out[] | ||
) | const [inline, inherited] |
Encrypt a block.
in | The plaintext block to be encrypted as a byte array. Must be of length block_size(). |
out | The byte array designated to hold the encrypted block. Must be of length block_size(). |
Definition at line 49 of file block_cipher.h.
Referenced by Botan::aont_package(), Botan::aont_unpackage(), Botan::Camellia_128::encrypt_n(), Botan::DESX::encrypt_n(), Botan::Camellia_192::encrypt_n(), Botan::Camellia_256::encrypt_n(), Botan::XTS_Encryption::finish(), Botan::CTS_Encryption::finish(), Botan::CFB_Encryption::update(), Botan::CBC_Encryption::update(), and Botan::CFB_Decryption::update().
{ encrypt_n(in, out, 1); }
void Botan::BlockCipher::encrypt | ( | byte | block[] | ) | const [inline, inherited] |
Encrypt a block.
block | the plaintext block to be encrypted Must be of length block_size(). Will hold the result when the function has finished. |
Definition at line 68 of file block_cipher.h.
{ encrypt_n(block, block, 1); }
void Botan::BlockCipher::encrypt | ( | std::vector< byte, Alloc > & | block | ) | const [inline, inherited] |
Encrypt one or more blocks
block | the input/output buffer (multiple of block_size()) |
Definition at line 83 of file block_cipher.h.
{ return encrypt_n(&block[0], &block[0], block.size() / block_size()); }
void Botan::BlockCipher::encrypt | ( | const std::vector< byte, Alloc > & | in, |
std::vector< byte, Alloc2 > & | out | ||
) | const [inline, inherited] |
Encrypt one or more blocks
in | the input buffer (multiple of block_size()) |
out | the output buffer (same size as in) |
Definition at line 104 of file block_cipher.h.
{ return encrypt_n(&in[0], &out[0], in.size() / block_size()); }
void Botan::Noekeon_SIMD::encrypt_n | ( | const byte | in[], |
byte | out[], | ||
size_t | blocks | ||
) | const [virtual] |
Encrypt one or more blocks
in | the input buffer (multiple of block_size()) |
out | the output buffer (same size as in) |
blocks | the number of blocks to process |
Reimplemented from Botan::Noekeon.
Definition at line 69 of file noekeon_simd.cpp.
References Botan::Noekeon::get_EK(), Botan::load_be(), NOK_SIMD_GAMMA, NOK_SIMD_THETA, and Botan::Noekeon::RC.
{ const secure_vector<u32bit>& EK = this->get_EK(); SIMD_32 K0 = SIMD_32(EK[0]); SIMD_32 K1 = SIMD_32(EK[1]); SIMD_32 K2 = SIMD_32(EK[2]); SIMD_32 K3 = SIMD_32(EK[3]); while(blocks >= 4) { SIMD_32 A0 = SIMD_32::load_be(in ); SIMD_32 A1 = SIMD_32::load_be(in + 16); SIMD_32 A2 = SIMD_32::load_be(in + 32); SIMD_32 A3 = SIMD_32::load_be(in + 48); SIMD_32::transpose(A0, A1, A2, A3); for(size_t i = 0; i != 16; ++i) { A0 ^= SIMD_32(RC[i]); NOK_SIMD_THETA(A0, A1, A2, A3, K0, K1, K2, K3); A1.rotate_left(1); A2.rotate_left(5); A3.rotate_left(2); NOK_SIMD_GAMMA(A0, A1, A2, A3); A1.rotate_right(1); A2.rotate_right(5); A3.rotate_right(2); } A0 ^= SIMD_32(RC[16]); NOK_SIMD_THETA(A0, A1, A2, A3, K0, K1, K2, K3); SIMD_32::transpose(A0, A1, A2, A3); A0.store_be(out); A1.store_be(out + 16); A2.store_be(out + 32); A3.store_be(out + 48); in += 64; out += 64; blocks -= 4; } if(blocks) Noekeon::encrypt_n(in, out, blocks); }
const secure_vector<u32bit>& Botan::Noekeon::get_DK | ( | ) | const [inline, protected, inherited] |
Definition at line 41 of file noekeon.h.
Referenced by decrypt_n().
{ return DK; }
const secure_vector<u32bit>& Botan::Noekeon::get_EK | ( | ) | const [inline, protected, inherited] |
Definition at line 36 of file noekeon.h.
Referenced by encrypt_n().
{ return EK; }
Key_Length_Specification Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::key_spec | ( | ) | const [inline, virtual, inherited] |
Implements Botan::SymmetricAlgorithm.
Definition at line 156 of file block_cipher.h.
{
return Key_Length_Specification(KMIN, KMAX, KMOD);
}
size_t Botan::SymmetricAlgorithm::maximum_keylength | ( | ) | const [inline, inherited] |
Definition at line 36 of file sym_algo.h.
References Botan::Key_Length_Specification::maximum_keylength().
{ return key_spec().maximum_keylength(); }
size_t Botan::SymmetricAlgorithm::minimum_keylength | ( | ) | const [inline, inherited] |
Definition at line 44 of file sym_algo.h.
{ return key_spec().minimum_keylength(); }
std::string Botan::Noekeon::name | ( | ) | const [inline, virtual, inherited] |
Implements Botan::SymmetricAlgorithm.
Definition at line 25 of file noekeon.h.
{ return "Noekeon"; }
size_t Botan::BlockCipher::parallel_bytes | ( | ) | const [inline, inherited] |
Definition at line 37 of file block_cipher.h.
Referenced by Botan::XTS_Mode::update_granularity(), Botan::CBC_Mode::update_granularity(), and Botan::ECB_Mode::update_granularity().
{ return parallelism() * block_size() * BOTAN_BLOCK_CIPHER_PAR_MULT; }
size_t Botan::Noekeon_SIMD::parallelism | ( | ) | const [inline, virtual] |
Reimplemented from Botan::BlockCipher.
Definition at line 21 of file noekeon_simd.h.
{ return 4; }
void Botan::SymmetricAlgorithm::set_key | ( | const SymmetricKey & | key | ) | [inline, inherited] |
Set the symmetric key of this object.
key | the SymmetricKey to be set. |
Definition at line 63 of file sym_algo.h.
References Botan::OctetString::begin(), and Botan::OctetString::length().
Referenced by Botan::aont_package(), Botan::aont_unpackage(), botan_mac_set_key(), Botan::TLS::Session::decrypt(), Botan::TLS::Session::encrypt(), and Botan::pbkdf2().
{ set_key(key.begin(), key.length()); }
void Botan::SymmetricAlgorithm::set_key | ( | const std::vector< byte, Alloc > & | key | ) | [inline, inherited] |
Definition at line 69 of file sym_algo.h.
{ set_key(&key[0], key.size()); }
void Botan::SymmetricAlgorithm::set_key | ( | const byte | key[], |
size_t | length | ||
) | [inline, 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 79 of file sym_algo.h.
{ if(!valid_keylength(length)) throw Invalid_Key_Length(name(), length); key_schedule(key, length); }
bool Botan::SymmetricAlgorithm::valid_keylength | ( | size_t | length | ) | const [inline, inherited] |
Check whether a given key length is valid for this algorithm.
length | the key length to be checked. |
Definition at line 54 of file sym_algo.h.
Referenced by Botan::aont_package(), and Botan::aont_unpackage().
{ return key_spec().valid_keylength(length); }
const byte Botan::Noekeon::RC [static, protected, inherited] |
{ 0x80, 0x1B, 0x36, 0x6C, 0xD8, 0xAB, 0x4D, 0x9A, 0x2F, 0x5E, 0xBC, 0x63, 0xC6, 0x97, 0x35, 0x6A, 0xD4 }
The Noekeon round constants
Definition at line 31 of file noekeon.h.
Referenced by Botan::Noekeon::decrypt_n(), decrypt_n(), Botan::Noekeon::encrypt_n(), and encrypt_n().