Cryptoki: a cryptographic Token Interface

C_Digest is equivalent to a sequence of C_DigestUpdate

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v201-95
pkcs11-base-v2.40-cos01

C_DigestUpdate
C_DigestKey

C_Digest is equivalent to a sequence of C_DigestUpdate operations followed by C_DigestFinal.
Return values: CKR_BUFFER_TOO_SMALL, CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_FUNCTION_CANCELED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_OK, CKR_OPERATION_NOT_INITIALIZED, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID.
Example: see C_DigestFinal for an example of similar functions.

C_DigestUpdate

CK_DEFINE_FUNCTION(CK_RV, C_DigestUpdate)(
CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pPart,
CK_ULONG ulPartLen
);
C_DigestUpdate continues a multiple-part message-digesting operation, processing another data part. hSession is the session’s handle, pPart points to the data part; ulPartLen is the length of the data part.
The message-digesting operation must have been initialized with C_DigestInit. Calls to this function and C_DigestKey may be interspersed any number of times in any order. A call to C_DigestUpdate which results in an error terminates the current digest operation.
Return values: CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_FUNCTION_CANCELED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_OK, CKR_OPERATION_NOT_INITIALIZED, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID.
Example: see C_DigestFinal.

C_DigestKey

CK_DEFINE_FUNCTION(CK_RV, C_DigestKey)(
CK_SESSION_HANDLE hSession,
CK_OBJECT_HANDLE hKey
);
C_DigestKey continues a multiple-part message-digesting operation by digesting the value of a secret key. hSession is the session’s handle; hKey is the handle of the secret key to be digested.
The message-digesting operation must have been initialized with C_DigestInit. Calls to this function and C_DigestUpdate may be interspersed any number of times in any order.
If the value of the supplied key cannot be digested purely for some reason related to its length, C_DigestKey should return the error code CKR_KEY_SIZE_RANGE.
Return values: CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_FUNCTION_CANCELED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_KEY_HANDLE_INVALID, CKR_KEY_INDIGESTIBLE, CKR_KEY_SIZE_RANGE, CKR_OK, CKR_OPERATION_NOT_INITIALIZED, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID.
Example: see C_DigestFinal.

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