Location: Symbol Reference > Classes > TJwEncryptData Class > TJwEncryptData Methods > TJwEncryptData.DecryptPointer Method
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JWSCL Documentation
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TJwEncryptData.DecryptPointer Method
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JWSCL Documentation
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class procedure DecryptPointer(const P: Pointer; const Size: Cardinal; const Entropy: PDataBlob; out Data: TJwGetMemBlob);
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Parameters |
Description |
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const P: Pointer |
Defines a pointer which must be decrypted. |
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const Size: Cardinal |
Defines how much data of P must be decrypted. Do specify exactly the amount of allocated memory of P. Otherwise the memory which is beyond the given Size can become overwritten by the decrypted data. |
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const Entropy: PDataBlob |
Defines additional data to be used to decrypt the data. The same Entropy must be specified to the encryption method EncryptPointerWithPrompt. Can be nil to use no entropy. |
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out Data: TJwGetMemBlob |
[out]. This parameter receives the decrypted data. The data can be freed using FreeMem on its Data member . |
DecryptPointer is like DecryptPointerWithPrompt but does not use a user interface. The data is also checked for manipulation.
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Exceptions |
Description |
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EjwsclCryptApiException |
if an underlying API function failed. TJwEncryptData |
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