Classe TDWDCP_cipher
Unit
Declaração
type TDWDCP_cipher = class(TComponent)
Descrição
Hierarquia
- TObject
- TPersistent
- TComponent
- TDWDCP_cipher
Visão Geral
Campos
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fInitialized: boolean; |
Métodos
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procedure DeadInt(Value: integer); |
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procedure DeadStr(Value: string); |
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class function GetId: integer; virtual; |
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class function GetAlgorithm: string; virtual; |
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class function GetMaxKeySize: integer; virtual; |
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class function SelfTest: boolean; virtual; |
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procedure Init(const Key; Size: longword; InitVector: pointer); virtual; |
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procedure InitStr(const Key: DWDCPRawString; HashType: TDWDCP_hashclass); overload; |
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procedure InitStr(const Key: DWDCPUnicodeString; HashType: TDWDCP_hashclass); overload; |
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procedure Burn; virtual; |
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procedure Reset; virtual; |
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procedure Encrypt(const Indata; var Outdata; Size: longword); virtual; |
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procedure Decrypt(const Indata; var Outdata; Size: longword); virtual; |
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function EncryptStream(InStream, OutStream: TStream; Size: longword): longword; |
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function DecryptStream(InStream, OutStream: TStream; Size: longword): longword; |
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function EncryptString(const Str: DWDCPRawString): DWDCPRawString; overload; virtual; |
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function DecryptString(const Str: DWDCPRawString): DWDCPRawString; overload; virtual; |
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function EncryptString(const Str: DWDCPUnicodeString): DWDCPUnicodeString; overload; virtual; |
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function DecryptString(const Str: DWDCPUnicodeString): DWDCPUnicodeString; overload; virtual; |
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function PartialEncryptStream(AStream: TMemoryStream; Size: longword) : longword; |
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function PartialDecryptStream(AStream: TMemoryStream; Size: longword) : longword; |
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constructor Create(AOwner: TComponent); override; |
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destructor Destroy; override; |
Propriedades
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property Initialized: boolean read fInitialized; |
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property Id: integer read _GetId write DeadInt; |
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property Algorithm: string read _GetAlgorithm write DeadStr; |
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property MaxKeySize: integer read _GetMaxKeySize write DeadInt; |
Descrição
Campos
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fInitialized: boolean; |
Métodos
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procedure DeadInt(Value: integer); |
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Whether or not the key setup has been done yet | |
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procedure DeadStr(Value: string); |
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Knudge to display vars in the object inspector | |
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class function GetId: integer; virtual; |
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class function GetAlgorithm: string; virtual; |
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Get the algorithm id | |
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class function GetMaxKeySize: integer; virtual; |
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Get the algorithm name | |
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class function SelfTest: boolean; virtual; |
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Get the maximum key size (in bits) | |
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procedure Init(const Key; Size: longword; InitVector: pointer); virtual; |
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Tests the implementation with several test vectors | |
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procedure InitStr(const Key: DWDCPRawString; HashType: TDWDCP_hashclass); overload; |
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Do key setup based on the data in Key, size is in bits | |
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procedure InitStr(const Key: DWDCPUnicodeString; HashType: TDWDCP_hashclass); overload; |
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Do key setup based on a hash of the key string | |
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procedure Burn; virtual; |
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Do key setup based on a hash of the key string | |
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procedure Reset; virtual; |
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Clear all stored key information | |
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procedure Encrypt(const Indata; var Outdata; Size: longword); virtual; |
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Reset any stored chaining information | |
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procedure Decrypt(const Indata; var Outdata; Size: longword); virtual; |
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Encrypt size bytes of data and place in Outdata | |
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function EncryptStream(InStream, OutStream: TStream; Size: longword): longword; |
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Decrypt size bytes of data and place in Outdata | |
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function DecryptStream(InStream, OutStream: TStream; Size: longword): longword; |
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Encrypt size bytes of data from InStream and place in OutStream | |
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function EncryptString(const Str: DWDCPRawString): DWDCPRawString; overload; virtual; |
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Decrypt size bytes of data from InStream and place in OutStream | |
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function DecryptString(const Str: DWDCPRawString): DWDCPRawString; overload; virtual; |
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Encrypt a string and return Base64 encoded | |
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function EncryptString(const Str: DWDCPUnicodeString): DWDCPUnicodeString; overload; virtual; |
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Decrypt a Base64 encoded string | |
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function DecryptString(const Str: DWDCPUnicodeString): DWDCPUnicodeString; overload; virtual; |
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Encrypt a Unicode string and return Base64 encoded | |
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function PartialEncryptStream(AStream: TMemoryStream; Size: longword) : longword; |
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Decrypt a Base64 encoded Unicode string | |
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function PartialDecryptStream(AStream: TMemoryStream; Size: longword) : longword; |
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Partially Encrypt up to 16K bytes of data in AStream | |
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constructor Create(AOwner: TComponent); override; |
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Partially Decrypt up to 16K bytes of data in AStream | |
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destructor Destroy; override; |
Propriedades
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property Initialized: boolean read fInitialized; |
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property Id: integer read _GetId write DeadInt; |
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property Algorithm: string read _GetAlgorithm write DeadStr; |
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property MaxKeySize: integer read _GetMaxKeySize write DeadInt; |
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