cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

pkc_desc.c (2420B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors
      4 *
      5 * Copyright 2016 Freescale Semiconductor, Inc.
      6 *
      7 * There is no Shared Descriptor for PKC so that the Job Descriptor must carry
      8 * all the desired key parameters, input and output pointers.
      9 */
     10#include "caampkc.h"
     11#include "desc_constr.h"
     12
     13/* Descriptor for RSA Public operation */
     14void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb)
     15{
     16	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PUB_PDB);
     17	append_cmd(desc, pdb->sgf);
     18	append_ptr(desc, pdb->f_dma);
     19	append_ptr(desc, pdb->g_dma);
     20	append_ptr(desc, pdb->n_dma);
     21	append_ptr(desc, pdb->e_dma);
     22	append_cmd(desc, pdb->f_len);
     23	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY);
     24}
     25
     26/* Descriptor for RSA Private operation - Private Key Form #1 */
     27void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb)
     28{
     29	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F1_PDB);
     30	append_cmd(desc, pdb->sgf);
     31	append_ptr(desc, pdb->g_dma);
     32	append_ptr(desc, pdb->f_dma);
     33	append_ptr(desc, pdb->n_dma);
     34	append_ptr(desc, pdb->d_dma);
     35	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
     36			 RSA_PRIV_KEY_FRM_1);
     37}
     38
     39/* Descriptor for RSA Private operation - Private Key Form #2 */
     40void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb)
     41{
     42	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F2_PDB);
     43	append_cmd(desc, pdb->sgf);
     44	append_ptr(desc, pdb->g_dma);
     45	append_ptr(desc, pdb->f_dma);
     46	append_ptr(desc, pdb->d_dma);
     47	append_ptr(desc, pdb->p_dma);
     48	append_ptr(desc, pdb->q_dma);
     49	append_ptr(desc, pdb->tmp1_dma);
     50	append_ptr(desc, pdb->tmp2_dma);
     51	append_cmd(desc, pdb->p_q_len);
     52	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
     53			 RSA_PRIV_KEY_FRM_2);
     54}
     55
     56/* Descriptor for RSA Private operation - Private Key Form #3 */
     57void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb)
     58{
     59	init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F3_PDB);
     60	append_cmd(desc, pdb->sgf);
     61	append_ptr(desc, pdb->g_dma);
     62	append_ptr(desc, pdb->f_dma);
     63	append_ptr(desc, pdb->c_dma);
     64	append_ptr(desc, pdb->p_dma);
     65	append_ptr(desc, pdb->q_dma);
     66	append_ptr(desc, pdb->dp_dma);
     67	append_ptr(desc, pdb->dq_dma);
     68	append_ptr(desc, pdb->tmp1_dma);
     69	append_ptr(desc, pdb->tmp2_dma);
     70	append_cmd(desc, pdb->p_q_len);
     71	append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
     72			 RSA_PRIV_KEY_FRM_3);
     73}