#include <aes_ni.h>

Inheritance diagram for Botan::AES_192_NI:

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

Detailed Description

AES-192 using AES-NI

Definition at line 38 of file aes_ni.h.

Member Typedef Documentation

typedef SCAN_Name Botan::BlockCipher::Spec [inherited]

Definition at line 22 of file block_cipher.h.

Member Enumeration Documentation

anonymous enum [inherited]

Definition at line 153 of file block_cipher.h.

{ BLOCK_SIZE = BS };

Member Function Documentation

size_t Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::block_size ( ) const [inline, virtual, inherited]

Returns:: block size of this algorithm

Implements Botan::BlockCipher.

Definition at line 154 of file block_cipher.h.

{ return BS; }

void Botan::AES_192_NI::clear ( ) [virtual]

Implements Botan::SymmetricAlgorithm.

Definition at line 537 of file aes_ni.cpp.

References Botan::zap().

   {
   zap(EK);
   zap(DK);
   }

BlockCipher* Botan::AES_192_NI::clone ( ) const [inline, virtual]

Returns:: new object representing the same algorithm as *this

Implements Botan::BlockCipher.

Definition at line 48 of file aes_ni.h.

{ return new AES_192_NI; }

void Botan::BlockCipher::decrypt	(	const byte	in[],
		byte	out[]
	)		const `[inline, inherited]`

Decrypt a block.

Parameters:

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.

Parameters:

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); }

template<typename Alloc >

void Botan::BlockCipher::decrypt ( std::vector< byte, Alloc > & block ) const [inline, inherited]

Decrypt one or more blocks

Parameters:

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());
         }

template<typename Alloc , typename Alloc2 >

void Botan::BlockCipher::decrypt	(	const std::vector< byte, Alloc > &	in,
		std::vector< byte, Alloc2 > &	out
	)		const `[inline, inherited]`

Decrypt one or more blocks

Parameters:

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::AES_192_NI::decrypt_n	(	const byte	in[],
		byte	out[],
		size_t	blocks
	)		const `[virtual]`

Decrypt one or more blocks

Parameters:

in	the input buffer (multiple of block_size())
out	the output buffer (same size as in)
blocks	the number of blocks to process

Implements Botan::BlockCipher.

Definition at line 406 of file aes_ni.cpp.

References AES_DEC_4_LAST_ROUNDS, and AES_DEC_4_ROUNDS.

   {
   const __m128i* in_mm = reinterpret_cast<const __m128i*>(in);
   __m128i* out_mm = reinterpret_cast<__m128i*>(out);

   const __m128i* key_mm = reinterpret_cast<const __m128i*>(&DK[0]);

   __m128i K0  = _mm_loadu_si128(key_mm);
   __m128i K1  = _mm_loadu_si128(key_mm + 1);
   __m128i K2  = _mm_loadu_si128(key_mm + 2);
   __m128i K3  = _mm_loadu_si128(key_mm + 3);
   __m128i K4  = _mm_loadu_si128(key_mm + 4);
   __m128i K5  = _mm_loadu_si128(key_mm + 5);
   __m128i K6  = _mm_loadu_si128(key_mm + 6);
   __m128i K7  = _mm_loadu_si128(key_mm + 7);
   __m128i K8  = _mm_loadu_si128(key_mm + 8);
   __m128i K9  = _mm_loadu_si128(key_mm + 9);
   __m128i K10 = _mm_loadu_si128(key_mm + 10);
   __m128i K11 = _mm_loadu_si128(key_mm + 11);
   __m128i K12 = _mm_loadu_si128(key_mm + 12);

   while(blocks >= 4)
      {
      __m128i B0 = _mm_loadu_si128(in_mm + 0);
      __m128i B1 = _mm_loadu_si128(in_mm + 1);
      __m128i B2 = _mm_loadu_si128(in_mm + 2);
      __m128i B3 = _mm_loadu_si128(in_mm + 3);

      B0 = _mm_xor_si128(B0, K0);
      B1 = _mm_xor_si128(B1, K0);
      B2 = _mm_xor_si128(B2, K0);
      B3 = _mm_xor_si128(B3, K0);

      AES_DEC_4_ROUNDS(K1);
      AES_DEC_4_ROUNDS(K2);
      AES_DEC_4_ROUNDS(K3);
      AES_DEC_4_ROUNDS(K4);
      AES_DEC_4_ROUNDS(K5);
      AES_DEC_4_ROUNDS(K6);
      AES_DEC_4_ROUNDS(K7);
      AES_DEC_4_ROUNDS(K8);
      AES_DEC_4_ROUNDS(K9);
      AES_DEC_4_ROUNDS(K10);
      AES_DEC_4_ROUNDS(K11);
      AES_DEC_4_LAST_ROUNDS(K12);

      _mm_storeu_si128(out_mm + 0, B0);
      _mm_storeu_si128(out_mm + 1, B1);
      _mm_storeu_si128(out_mm + 2, B2);
      _mm_storeu_si128(out_mm + 3, B3);

      blocks -= 4;
      in_mm += 4;
      out_mm += 4;
      }

   for(size_t i = 0; i != blocks; ++i)
      {
      __m128i B = _mm_loadu_si128(in_mm + i);

      B = _mm_xor_si128(B, K0);

      B = _mm_aesdec_si128(B, K1);
      B = _mm_aesdec_si128(B, K2);
      B = _mm_aesdec_si128(B, K3);
      B = _mm_aesdec_si128(B, K4);
      B = _mm_aesdec_si128(B, K5);
      B = _mm_aesdec_si128(B, K6);
      B = _mm_aesdec_si128(B, K7);
      B = _mm_aesdec_si128(B, K8);
      B = _mm_aesdec_si128(B, K9);
      B = _mm_aesdec_si128(B, K10);
      B = _mm_aesdec_si128(B, K11);
      B = _mm_aesdeclast_si128(B, K12);

      _mm_storeu_si128(out_mm + i, B);
      }
   }

void Botan::BlockCipher::encrypt	(	const byte	in[],
		byte	out[]
	)		const `[inline, inherited]`

Encrypt a block.

Parameters:

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.

Parameters:

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); }

template<typename Alloc >

void Botan::BlockCipher::encrypt ( std::vector< byte, Alloc > & block ) const [inline, inherited]

Encrypt one or more blocks

Parameters:

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());
         }

template<typename Alloc , typename Alloc2 >

void Botan::BlockCipher::encrypt	(	const std::vector< byte, Alloc > &	in,
		std::vector< byte, Alloc2 > &	out
	)		const `[inline, inherited]`

Encrypt one or more blocks

Parameters:

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::AES_192_NI::encrypt_n	(	const byte	in[],
		byte	out[],
		size_t	blocks
	)		const `[virtual]`

Encrypt one or more blocks

Parameters:

in	the input buffer (multiple of block_size())
out	the output buffer (same size as in)
blocks	the number of blocks to process

Implements Botan::BlockCipher.

Definition at line 324 of file aes_ni.cpp.

References AES_ENC_4_LAST_ROUNDS, and AES_ENC_4_ROUNDS.

   {
   const __m128i* in_mm = reinterpret_cast<const __m128i*>(in);
   __m128i* out_mm = reinterpret_cast<__m128i*>(out);

   const __m128i* key_mm = reinterpret_cast<const __m128i*>(&EK[0]);

   __m128i K0  = _mm_loadu_si128(key_mm);
   __m128i K1  = _mm_loadu_si128(key_mm + 1);
   __m128i K2  = _mm_loadu_si128(key_mm + 2);
   __m128i K3  = _mm_loadu_si128(key_mm + 3);
   __m128i K4  = _mm_loadu_si128(key_mm + 4);
   __m128i K5  = _mm_loadu_si128(key_mm + 5);
   __m128i K6  = _mm_loadu_si128(key_mm + 6);
   __m128i K7  = _mm_loadu_si128(key_mm + 7);
   __m128i K8  = _mm_loadu_si128(key_mm + 8);
   __m128i K9  = _mm_loadu_si128(key_mm + 9);
   __m128i K10 = _mm_loadu_si128(key_mm + 10);
   __m128i K11 = _mm_loadu_si128(key_mm + 11);
   __m128i K12 = _mm_loadu_si128(key_mm + 12);

   while(blocks >= 4)
      {
      __m128i B0 = _mm_loadu_si128(in_mm + 0);
      __m128i B1 = _mm_loadu_si128(in_mm + 1);
      __m128i B2 = _mm_loadu_si128(in_mm + 2);
      __m128i B3 = _mm_loadu_si128(in_mm + 3);

      B0 = _mm_xor_si128(B0, K0);
      B1 = _mm_xor_si128(B1, K0);
      B2 = _mm_xor_si128(B2, K0);
      B3 = _mm_xor_si128(B3, K0);

      AES_ENC_4_ROUNDS(K1);
      AES_ENC_4_ROUNDS(K2);
      AES_ENC_4_ROUNDS(K3);
      AES_ENC_4_ROUNDS(K4);
      AES_ENC_4_ROUNDS(K5);
      AES_ENC_4_ROUNDS(K6);
      AES_ENC_4_ROUNDS(K7);
      AES_ENC_4_ROUNDS(K8);
      AES_ENC_4_ROUNDS(K9);
      AES_ENC_4_ROUNDS(K10);
      AES_ENC_4_ROUNDS(K11);
      AES_ENC_4_LAST_ROUNDS(K12);

      _mm_storeu_si128(out_mm + 0, B0);
      _mm_storeu_si128(out_mm + 1, B1);
      _mm_storeu_si128(out_mm + 2, B2);
      _mm_storeu_si128(out_mm + 3, B3);

      blocks -= 4;
      in_mm += 4;
      out_mm += 4;
      }

   for(size_t i = 0; i != blocks; ++i)
      {
      __m128i B = _mm_loadu_si128(in_mm + i);

      B = _mm_xor_si128(B, K0);

      B = _mm_aesenc_si128(B, K1);
      B = _mm_aesenc_si128(B, K2);
      B = _mm_aesenc_si128(B, K3);
      B = _mm_aesenc_si128(B, K4);
      B = _mm_aesenc_si128(B, K5);
      B = _mm_aesenc_si128(B, K6);
      B = _mm_aesenc_si128(B, K7);
      B = _mm_aesenc_si128(B, K8);
      B = _mm_aesenc_si128(B, K9);
      B = _mm_aesenc_si128(B, K10);
      B = _mm_aesenc_si128(B, K11);
      B = _mm_aesenclast_si128(B, K12);

      _mm_storeu_si128(out_mm + i, B);
      }
   }

Key_Length_Specification Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::key_spec ( ) const [inline, virtual, inherited]

Returns:: object describing limits on key size

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]

Returns:: minimum allowed key length

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]

Returns:: maxmium allowed key length

Definition at line 44 of file sym_algo.h.

         {
         return key_spec().minimum_keylength();
         }

std::string Botan::AES_192_NI::name ( ) const [inline, virtual]

Implements Botan::SymmetricAlgorithm.

Definition at line 47 of file aes_ni.h.

{ return "AES-192"; }

size_t Botan::BlockCipher::parallel_bytes ( ) const [inline, inherited]

Returns:: prefererred parallelism of this cipher in bytes

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::AES_192_NI::parallelism ( ) const [inline, virtual]

Returns:: native parallelism of this cipher in blocks

Reimplemented from Botan::BlockCipher.

Definition at line 41 of file aes_ni.h.

{ return 4; }

void Botan::SymmetricAlgorithm::set_key ( const SymmetricKey & key ) [inline, inherited]

Set the symmetric key of this object.

Parameters:

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());
         }

template<typename Alloc >

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.

Parameters:

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.

Parameters:

length the key length to be checked.

Returns:: true if the key length is valid.

Definition at line 54 of file sym_algo.h.

Referenced by Botan::aont_package(), and Botan::aont_unpackage().

         {
         return key_spec().valid_keylength(length);
         }

The documentation for this class was generated from the following files:

src/lib/block/aes_ni/aes_ni.h
src/lib/block/aes_ni/aes_ni.cpp

Public Types

Public Member Functions

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Member Function Documentation