/*
* meta_DigestKey
*
* NOTE: This function can fail under certain circumstances!
* Unlike the other crypto functions, we didn't get the key object
* when the operation was initialized with C_DigestInit().
* Thus, the slot we're using for the digest operation may
* not be the slot containing the key -- if the key is extractible we can
* deal with it, but if it's not the operation will FAIL.
*/
CK_RV
meta_DigestKey(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hKey)
{
CK_RV rv;
meta_session_t *session;
meta_object_t *key;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_handle2object(hKey, &key);
if (rv != CKR_OK) {
REFRELEASE(session);
return (rv);
}
/* meta_do_operation() will clone the key, if needed. */
rv = meta_do_operation(OP_DIGEST, MODE_UPDATE_WITHKEY, session, key,
NULL, 0, NULL, NULL);
OBJRELEASE(key);
REFRELEASE(session);
return (rv);
}
/*
* meta_Encrypt
*
*/
CK_RV
meta_Encrypt(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pData, CK_ULONG ulDataLen,
CK_BYTE_PTR pEncryptedData, CK_ULONG_PTR pulEncryptedDataLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pData == NULL || pulEncryptedDataLen == NULL) {
meta_operation_cleanup(session, CKF_ENCRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(CKF_ENCRYPT, MODE_SINGLE, session, NULL,
pData, ulDataLen, pEncryptedData, pulEncryptedDataLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_EncryptInit
*
*/
CK_RV
meta_EncryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
CK_OBJECT_HANDLE hKey)
{
CK_RV rv;
meta_session_t *session;
meta_object_t *key;
if (pMechanism == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_handle2object(hKey, &key);
if (rv != CKR_OK) {
REFRELEASE(session);
return (rv);
}
rv = meta_operation_init_defer(CKF_ENCRYPT, session, pMechanism, key);
OBJRELEASE(key);
REFRELEASE(session);
return (rv);
}
/*
* meta_DecryptUpdate
*
*/
CK_RV
meta_DecryptUpdate(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pEncryptedPart, CK_ULONG ulEncryptedPartLen,
CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pEncryptedPart == NULL || pulPartLen == NULL) {
meta_operation_cleanup(session, CKF_DECRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(CKF_DECRYPT, MODE_UPDATE, session, NULL,
pEncryptedPart, ulEncryptedPartLen, pPart, pulPartLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_DigestInit
*
*/
CK_RV
meta_DigestInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism)
{
CK_RV rv;
meta_session_t *session;
if (pMechanism == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_operation_init(OP_DIGEST, session, pMechanism, NULL);
REFRELEASE(session);
return (rv);
}
/*
* meta_DigestFinal
*
*/
CK_RV
meta_DigestFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pDigest,
CK_ULONG_PTR pulDigestLen)
{
CK_RV rv;
meta_session_t *session;
if (pulDigestLen == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_do_operation(OP_DIGEST, MODE_FINAL, session, NULL,
NULL, 0, pDigest, pulDigestLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_DigestUpdate
*
*/
CK_RV
meta_DigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
CK_ULONG ulPartLen)
{
CK_RV rv;
meta_session_t *session;
if (pPart == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_do_operation(OP_DIGEST, MODE_UPDATE, session, NULL,
pPart, ulPartLen, NULL, NULL);
REFRELEASE(session);
return (rv);
}
/*
* meta_DecryptFinal
*
*/
CK_RV
meta_DecryptFinal(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pLastPart, CK_ULONG_PTR pulLastPartLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pulLastPartLen == NULL) {
meta_operation_cleanup(session, CKF_DECRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(CKF_DECRYPT, MODE_FINAL, session, NULL,
NULL, 0, pLastPart, pulLastPartLen);
REFRELEASE(session);
return (rv);
}
