Location: Symbol Reference > Classes > TJwHash Class > TJwHash Methods > Sign Method > TJwHash.Sign Method (Pointer, Cardinal, TJwKeyPairType)
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JWSCL Documentation
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TJwHash.Sign Method (Pointer, Cardinal, TJwKeyPairType)
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JWSCL Documentation
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procedure Sign(Signature: Pointer; var Len: Cardinal; Key: TJwKeyPairType = kptSignature); overload;
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Parameters |
Description |
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Signature: Pointer |
The buffer the signature is stored in |
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var Len: Cardinal |
The length of the buffer specified in Signature. The actual size of the signature is returned here. |
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Key: TJwKeyPairType = kptSignature |
A CSP usually has two key pairs. This parameter specifies which should be used. |
Sign computes a signature of the data in the hash. The used CSP must have permanent key pairs and thus have not been created with the ccfVerifyContext flag.
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Exceptions |
Description |
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will be raised if the underlying Windows call fails because the specified buffer is to small or for other reasons. |
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