Location: Symbol Reference > Classes > TJwCryptKey Class > TJwCryptKey Methods > TJwCryptKey.Decrypt Method
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JWSCL Documentation
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TJwCryptKey.Decrypt Method
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JWSCL Documentation
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procedure Decrypt(const Hash: TJwHash; FinalBlock: Boolean; Flags: TJwKeyFlagSet; Data: Pointer; var DataLen: Cardinal); overload;
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Parameters |
Description |
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const Hash: TJwHash |
Specify an instance of TJwHash to decrypt and hash data simultaneously, e.g. for verifying a signature. This parameter can be nil. |
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FinalBlock: Boolean |
Use this parameter to indicate that this is the last block in a stream of data to decrypt. |
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Flags: TJwKeyFlagSet |
Special decryption flags |
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Data: Pointer |
Pointer to the data to be decrypted. The plaintext is also returned in this buffer. |
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var DataLen: Cardinal |
The length of the ciphertext. The length of the plaintext is returned here as well. |
This function decrypts a data block. It trashes the encrypted data.
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Exceptions |
Description |
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will be raised if the underlying Windows call fails. |
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