#include <aes_ssse3.h>

Inheritance diagram for Botan::AES_128_SSSE3:

Public Types
enum

Public Member Functions
	AES_128_SSSE3 ()
size_t	block_size () const
void	clear ()
BlockCipher *	clone () const
void	decrypt (byte block[]) const
void	decrypt (const byte in[], byte out[]) const
void	decrypt_n (const byte in[], byte out[], size_t blocks) const
void	encrypt (byte block[]) const
void	encrypt (const byte in[], byte 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
virtual size_t	parallelism () const
void	set_key (const byte key[], size_t length)
void	set_key (const SymmetricKey &key)
bool	valid_keylength (size_t length) const

Detailed Description

AES-128 using SSSE3

Definition at line 18 of file aes_ssse3.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

inherited

Definition at line 107 of file block_cipher.h.

107{ BLOCK_SIZE = BS };

Botan::Block_Cipher_Fixed_Params

Definition block_cipher.h:105

Constructor & Destructor Documentation

◆ AES_128_SSSE3()

Botan::AES_128_SSSE3::AES_128_SSSE3 ( )

inline

Definition at line 28 of file aes_ssse3.h.

28: EK(44), DK(44) {}

Referenced by clone().

Member Function Documentation

◆ block_size()

size_t Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0, 1 >::block_size ( ) const

inlinevirtualinherited

Returns: block size of this algorithm

Implements Botan::BlockCipher.

Definition at line 108 of file block_cipher.h.

108{ return BS; }

◆ clear()

void Botan::AES_128_SSSE3::clear ( )

inlinevirtual

Zeroize internal state

Implements Botan::Algorithm.

Definition at line 24 of file aes_ssse3.h.

24{ zeroise(EK); zeroise(DK); }

Botan::zeroise

void zeroise(MemoryRegion< T > &vec)

Definition secmem.h:428

References Botan::zeroise().

◆ clone()

BlockCipher * Botan::AES_128_SSSE3::clone ( ) const

inlinevirtual

Get a new object representing the same algorithm as *this

Implements Botan::BlockCipher.

Definition at line 26 of file aes_ssse3.h.

26{ return new AES_128_SSSE3; }

Botan::AES_128_SSSE3::AES_128_SSSE3

AES_128_SSSE3()

Definition aes_ssse3.h:28

References AES_128_SSSE3().

◆ decrypt() [1/2]

void Botan::BlockCipher::decrypt ( byte block[] ) const

inlineinherited

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 74 of file block_cipher.h.

74{ decrypt_n(block, block, 1); }

Botan::BlockCipher::decrypt_n

virtual void decrypt_n(const byte in[], byte out[], size_t blocks) const =0

References decrypt_n().

◆ decrypt() [2/2]

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

inlineinherited

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 57 of file block_cipher.h.

58 { decrypt_n(in, out, 1); }

References decrypt_n().

◆ decrypt_n()

void Botan::AES_128_SSSE3::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 357 of file aes_ssse3.cpp.

   {
   const __m128i* in_mm = reinterpret_cast<const __m128i*>(in);
   __m128i* out_mm = reinterpret_cast<__m128i*>(out);
 
   const __m128i* keys = reinterpret_cast<const __m128i*>(&DK[0]);
 
   for(size_t i = 0; i != blocks; ++i)
      {
      __m128i B = _mm_loadu_si128(in_mm + i);
      _mm_storeu_si128(out_mm + i, aes_ssse3_decrypt(B, keys, 10));
      }
   }

◆ encrypt() [1/2]

void Botan::BlockCipher::encrypt ( byte block[] ) const

inlineinherited

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 66 of file block_cipher.h.

66{ encrypt_n(block, block, 1); }

Botan::BlockCipher::encrypt_n

virtual void encrypt_n(const byte in[], byte out[], size_t blocks) const =0

References encrypt_n().

◆ encrypt() [2/2]

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

inlineinherited

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 47 of file block_cipher.h.

48 { encrypt_n(in, out, 1); }

References encrypt_n().

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

◆ encrypt_n()

void Botan::AES_128_SSSE3::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 340 of file aes_ssse3.cpp.

   {
   const __m128i* in_mm = reinterpret_cast<const __m128i*>(in);
   __m128i* out_mm = reinterpret_cast<__m128i*>(out);
 
   const __m128i* keys = reinterpret_cast<const __m128i*>(&EK[0]);
 
   for(size_t i = 0; i != blocks; ++i)
      {
      __m128i B = _mm_loadu_si128(in_mm + i);
      _mm_storeu_si128(out_mm + i, aes_ssse3_encrypt(B, keys, 10));
      }
   }

◆ key_spec()

Key_Length_Specification Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0, 1 >::key_spec ( ) const

inlinevirtualinherited

Returns: object describing limits on key size

Implements Botan::SymmetricAlgorithm.

Definition at line 110 of file block_cipher.h.

         {
         return Key_Length_Specification(KMIN, KMAX, KMOD);
         }

◆ maximum_keylength()

size_t Botan::SymmetricAlgorithm::maximum_keylength ( ) const

inlineinherited

Returns: minimum allowed key length

Definition at line 33 of file sym_algo.h.

         {
         return key_spec().maximum_keylength();
         }

References key_spec().

◆ minimum_keylength()

size_t Botan::SymmetricAlgorithm::minimum_keylength ( ) const

inlineinherited

Returns: maxmium allowed key length

Definition at line 41 of file sym_algo.h.

         {
         return key_spec().minimum_keylength();
         }

References key_spec().

◆ name()

std::string Botan::AES_128_SSSE3::name ( ) const

inlinevirtual

Returns: name of this algorithm

Implements Botan::Algorithm.

Definition at line 25 of file aes_ssse3.h.

25{ return "AES-128"; }

◆ parallel_bytes()

size_t Botan::BlockCipher::parallel_bytes ( ) const

inlineinherited

Returns: prefererred parallelism of this cipher in bytes

Definition at line 35 of file block_cipher.h.

         {
         return parallelism() * block_size() * BOTAN_BLOCK_CIPHER_PAR_MULT;
         }

References block_size(), and parallelism().

◆ parallelism()

virtual size_t Botan::BlockCipher::parallelism ( ) const

inlinevirtualinherited

Returns: native parallelism of this cipher in blocks

Reimplemented in Botan::AES_128_NI, Botan::AES_192_NI, Botan::AES_256_NI, Botan::IDEA_SSE2, Botan::Noekeon_SIMD, Botan::Serpent_SIMD, and Botan::XTEA_SIMD.

Definition at line 30 of file block_cipher.h.

30{ return 1; }

Referenced by parallel_bytes().

◆ set_key() [1/2]

void Botan::SymmetricAlgorithm::set_key	(	const byte	key[],
		size_t	length )

inlineinherited

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 68 of file sym_algo.h.

         {
         if(!valid_keylength(length))
            throw Invalid_Key_Length(name(), length);
         key_schedule(key, length);
         }

References Botan::Algorithm::name(), and valid_keylength().

◆ set_key() [2/2]

void Botan::SymmetricAlgorithm::set_key ( const SymmetricKey & key )

inlineinherited

Set the symmetric key of this object.

Parameters

key	the SymmetricKey to be set.

Definition at line 60 of file sym_algo.h.

61 { set_key(key.begin(), key.length()); }

Botan::SymmetricAlgorithm::set_key

void set_key(const SymmetricKey &key)

Definition sym_algo.h:60

References Botan::OctetString::begin(), Botan::OctetString::length(), and set_key().

Referenced by Botan::aont_package(), Botan::aont_unpackage(), Botan::MAC_Filter::MAC_Filter(), Botan::MAC_Filter::MAC_Filter(), Botan::EAX_Base::set_key(), set_key(), Botan::Record_Reader::set_keys(), Botan::Record_Writer::set_keys(), Botan::StreamCipher_Filter::StreamCipher_Filter(), and Botan::StreamCipher_Filter::StreamCipher_Filter().

◆ valid_keylength()

bool Botan::SymmetricAlgorithm::valid_keylength ( size_t length ) const

inlineinherited

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 51 of file sym_algo.h.

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

References key_spec().

Referenced by Botan::aont_package(), Botan::aont_unpackage(), set_key(), and Botan::EAX_Base::valid_keylength().

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

src/block/aes_ssse3/aes_ssse3.h
src/block/aes_ssse3/aes_ssse3.cpp

Public Types

Public Member Functions

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ AES_128_SSSE3()

Member Function Documentation

◆ block_size()

◆ clear()

◆ clone()

◆ decrypt() [1/2]

◆ decrypt() [2/2]

◆ decrypt_n()

◆ encrypt() [1/2]

◆ encrypt() [2/2]

◆ encrypt_n()

◆ key_spec()

◆ maximum_keylength()

◆ minimum_keylength()

◆ name()

◆ parallel_bytes()

◆ parallelism()

◆ set_key() [1/2]

◆ set_key() [2/2]

◆ valid_keylength()