Interface for one direction (encryption or decryption) of a block cipher. More...
#include <cryptlib.h>
Inheritance diagram for BlockCipher:
Protected Member Functions | |
| const Algorithm & | GetAlgorithm () const |
| Returns the base class Algorithm. | |
 Protected Member Functions inherited from SimpleKeyingInterface | |
| virtual void | UncheckedSetKey (const byte *key, unsigned int length, const NameValuePairs ¶ms)=0 |
| Sets the key for this object without performing parameter validation. | |
| void | ThrowIfInvalidKeyLength (size_t length) |
| Validates the key length. | |
| void | ThrowIfResynchronizable () |
| Validates the object. | |
| void | ThrowIfInvalidIV (const byte *iv) |
| Validates the IV. | |
| size_t | ThrowIfInvalidIVLength (int length) |
| Validates the IV length. | |
| const byte * | GetIVAndThrowIfInvalid (const NameValuePairs ¶ms, size_t &size) |
| Retrieves and validates the IV. | |
| void | AssertValidKeyLength (size_t length) const |
| Validates the key length. | |
Additional Inherited Members | |
| Public Types inherited from SimpleKeyingInterface | |
| enum | IV_Requirement { UNIQUE_IV = 0 , RANDOM_IV , UNPREDICTABLE_RANDOM_IV , INTERNALLY_GENERATED_IV , NOT_RESYNCHRONIZABLE } |
| Secure IVs requirements as enumerated values. More... | |
| Public Types inherited from BlockTransformation | |
| enum | FlagsForAdvancedProcessBlocks { BT_InBlockIsCounter =1 , BT_DontIncrementInOutPointers =2 , BT_XorInput =4 , BT_ReverseDirection =8 , BT_AllowParallel =16 } |
| Bit flags that control AdvancedProcessBlocks() behavior. More... | |
| Public Member Functions inherited from SimpleKeyingInterface | |
| virtual size_t | MinKeyLength () const =0 |
| Returns smallest valid key length. | |
| virtual size_t | MaxKeyLength () const =0 |
| Returns largest valid key length. | |
| virtual size_t | DefaultKeyLength () const =0 |
| Returns default key length. | |
| virtual size_t | GetValidKeyLength (size_t keylength) const =0 |
| Returns a valid key length for the algorithm. | |
| virtual bool | IsValidKeyLength (size_t keylength) const |
| Returns whether keylength is a valid key length. | |
| virtual void | SetKey (const byte *key, size_t length, const NameValuePairs ¶ms=g_nullNameValuePairs) |
| Sets or reset the key of this object. | |
| void | SetKeyWithRounds (const byte *key, size_t length, int rounds) |
| Sets or reset the key of this object. | |
| void | SetKeyWithIV (const byte *key, size_t length, const byte *iv, size_t ivLength) |
| Sets or reset the key of this object. | |
| void | SetKeyWithIV (const byte *key, size_t length, const byte *iv) |
| Sets or reset the key of this object. | |
| virtual IV_Requirement | IVRequirement () const =0 |
| Minimal requirement for secure IVs. | |
| bool | IsResynchronizable () const |
| Determines if the object can be resynchronized. | |
| bool | CanUseRandomIVs () const |
| Determines if the object can use random IVs. | |
| bool | CanUsePredictableIVs () const |
| Determines if the object can use random but possibly predictable IVs. | |
| bool | CanUseStructuredIVs () const |
| Determines if the object can use structured IVs. | |
| virtual unsigned int | IVSize () const |
| Returns length of the IV accepted by this object. | |
| unsigned int | DefaultIVLength () const |
| Provides the default size of an IV. | |
| virtual unsigned int | MinIVLength () const |
| Provides the minimum size of an IV. | |
| virtual unsigned int | MaxIVLength () const |
| Provides the maximum size of an IV. | |
| virtual void | Resynchronize (const byte *iv, int ivLength=-1) |
| Resynchronize with an IV. | |
| virtual void | GetNextIV (RandomNumberGenerator &rng, byte *iv) |
| Retrieves a secure IV for the next message. | |
| Public Member Functions inherited from BlockTransformation | |
| virtual void | ProcessAndXorBlock (const byte *inBlock, const byte *xorBlock, byte *outBlock) const =0 |
| Encrypt or decrypt a block. | |
| void | ProcessBlock (const byte *inBlock, byte *outBlock) const |
| Encrypt or decrypt a block. | |
| void | ProcessBlock (byte *inoutBlock) const |
| Encrypt or decrypt a block in place. | |
| virtual unsigned int | BlockSize () const =0 |
| virtual unsigned int | OptimalDataAlignment () const |
| Provides input and output data alignment for optimal performance. | |
| virtual bool | IsPermutation () const |
| Determines if the transformation is a permutation. | |
| virtual bool | IsForwardTransformation () const =0 |
| Determines if the cipher is being operated in its forward direction. | |
| virtual unsigned int | OptimalNumberOfParallelBlocks () const |
| Determines the number of blocks that can be processed in parallel. | |
| virtual size_t | AdvancedProcessBlocks (const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const |
| Encrypt and xor multiple blocks using additional flags. | |
| CipherDir | GetCipherDirection () const |
| Provides the direction of the cipher. | |
| Public Member Functions inherited from Algorithm | |
| Algorithm (bool checkSelfTestStatus=true) | |
| Interface for all crypto algorithms. | |
| virtual std::string | AlgorithmName () const |
| Provides the name of this algorithm. | |
| virtual std::string | AlgorithmProvider () const |
| Retrieve the provider of this algorithm. | |
| Public Member Functions inherited from Clonable | |
| virtual Clonable * | Clone () const |
| Copies this object. | |
Detailed Description
Interface for one direction (encryption or decryption) of a block cipher.
These objects usually should not be used directly. See BlockTransformation for more details.
Definition at line 1282 of file cryptlib.h.
Member Function Documentation
◆ GetAlgorithm()
|
inlineprotectedvirtual |
Returns the base class Algorithm.
- Returns
- the base class Algorithm
Implements SimpleKeyingInterface.
Definition at line 1285 of file cryptlib.h.
The documentation for this class was generated from the following file:
- G:/work/subversion/scol-technologies/trunk/scol/plugins/security/cryptopp/cryptlib.h
