FC_DecryptUpdate

Name

FC_DecryptUpdate - decrypt a block of a multi-part encryption operation.

Syntax

CK_RV FC_DecryptUpdate(
  CK_SESSION_HANDLE hSession,
  CK_BYTE_PTR pEncryptedPart,
  CK_ULONG usEncryptedPartLen,
  CK_BYTE_PTR pPart,
  CK_ULONG_PTR pusPartLen
);

Parameters

hSession

[in] session handle.

pEncryptedPart

[in] pointer to the next block of data to be decrypted.

usEncryptedPartLen

[in] length of data block in bytes.

pPart

[out] pointer to location where recovered block is to be stored.

pusPartLen

[in,out] pointer the location where the number of bytes of recovered data is to be stored.

Description

FC_DecryptUpdate decrypts a block of data according to the attributes of the previous call to FC_DecryptInit. The block may be part of a multi-part decryption operation.

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

Return value

Examples

See also

• FC_DecryptInit, NSC_DecryptUpdate