Location: Symbol Reference > Classes > TJwHash Class > TJwHash Methods > Sign Method > TJwHash.Sign Method (Cardinal, TJwKeyPairType)
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JWSCL Documentation
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TJwHash.Sign Method (Cardinal, TJwKeyPairType)
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JWSCL Documentation
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function Sign(out Len: Cardinal; Key: TJwKeyPairType = kptSignature): Pointer; overload;
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Parameters |
Description |
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out Len: Cardinal |
The length of the returned buffer |
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Key: TJwKeyPairType = kptSignature |
A CSP usually has two key pairs. This parameter specifies which should be used. |
The buffer containing the signature. It should be freed using FreeBuffer when it is no longer needed.
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. The buffer returned by this function must be freed using FreeBuffer .
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Exceptions |
Description |
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will be raised if the underlying Windows call fails. |
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