FC_VerifyRecover

Name

FC_VerifyRecover - Verify data in a single recoverable operation.

Syntax

CK_RV FC_VerifyRecover(
  CK_SESSION_HANDLE hSession,
  CK_BYTE_PTR pSignature,
  CK_ULONG usSignatureLen,
  CK_BYTE_PTR pData,
  CK_ULONG_PTR pusDataLen
);

Parameters

hSession

[in] session handle.

pSignature

[in] mechanism to be used for the signing operation.

usSignatureLen

[in] handle of the key to be usedn.

pData

[out] pointer to the buffer or NULL.

pusDataLen

[in, out] pointer to the size of the output buffer, replaced by the length of the signature if the operation is successful.

Description

FC_VerifyRecover verifies data in a single operation where the (digest) data can be recovered from the signature. If pSignature is NULL only the length of the signature is returned in *pusSignatureLen.

A user must log into the token (to assume the NSS User role) before calling FC_VerifyRecover.