Contents 

QuickCrypt Library
QuickCrypt Library Overview
QuickCrypt Library Installation
Register QuickCrypt Library
DES
CDES ( C++ Interface )
CDES Class Members
DES API ( QuickCrypt API )
DES API Functions
DES-EDE2
CDES_EDE2 ( C++ Interface )
CDES_EDE2 Class Members
DES-EDE2 API ( QuickCrypt API )
DES-EDE2 API Functions
DES-EDE3
CDES_EDE3 ( C++ Interface )
CDES_EDE3 Class Members
DES-EDE3 API ( QuickCrypt API )
DES-EDE3 API Functions
DESX
CDESX ( C++ Interface )
CDESX Class Members
DESX API ( QuickCrypt API )
DESX API Functions
Rijndael (AES)
CRijndael ( C++ Interface )
CRijndael Class Members
Rijndael (AES) API ( QuickCrypt API )
Rijndael (AES) API Functions
Blowfish
CBlowfish ( C++ Interface )
CBlowfish Class Members
Blowfish API ( QuickCrypt API )
Blowfish API Functions
GOST
CGOST ( C++ Interface )
CGOST Class Members
GOST API ( QuickCrypt API )
GOST API Functions
ECB Mode
C++ Interface
QuickCrypt API
CBC Mode
CCBCMode ( C++ Interface )
CCBCMode Class Members
CBC Mode API ( QuickCrypt API )
CBC Mode API Functions
CFB Mode
CCFBMode ( C++ Interface )
CCFBMode Class Members
CFB Mode API ( QuickCrypt API )
CFB Mode API Functions
OFB Mode
COFBMode ( C++ Interface )
COFBMode Class Members
OFB Mode API ( QuickCrypt API )
OFB Mode API Functions
CTR Mode
CCounterMode ( C++ Interface )
CCounterMode Class Members
CTR Mode API ( QuickCrypt API )
CTR Mode API Functions
QuickCrypt Library Run-Time Dynamic Linking
License Agreement
Samples

SlavaSoft QuickCrypt Library Online Help

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QuickCrypt Library API

SL_CTR_Seek

void SL_CRYPTCALL SL_CTR_Seek( void* pContext, unsigned int nPos );

Parameters

 pContext

    [in] Pointer to the context.

 nPos

    [in] Position from the beginning of encrypted/decrypted sequence of bytes. The position is specified in bytes.

Remarks

Call this function to encrypt/decrypt any subsequence of a decrypted/encrypted sequence of bytes. To encrypt/decrypt a subsequence call the SL_CTR_Seek function with a relative position of the first byte of the subsequence before calling the SL_CTR_Process method.

Examples

DES encryption/decryption of a part of memory buffer in Counter mode

 

 

CTR Mode API Overview   |   CTR Mode Functions   |   Useful Links

 

See Also    SL_CTR_Init, SL_CTR_Process


 

 

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