Files
cubelinux-kernel/drivers/crypto/caam/pkc_desc.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

74 lines
2.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* caam - Freescale FSL CAAM support for Public Key Cryptography descriptors
*
* Copyright 2016 Freescale Semiconductor, Inc.
*
* There is no Shared Descriptor for PKC so that the Job Descriptor must carry
* all the desired key parameters, input and output pointers.
*/
#include "caampkc.h"
#include "desc_constr.h"
/* Descriptor for RSA Public operation */
void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb)
{
init_job_desc_pdb(desc, 0, SIZEOF_RSA_PUB_PDB);
append_cmd(desc, pdb->sgf);
append_ptr(desc, pdb->f_dma);
append_ptr(desc, pdb->g_dma);
append_ptr(desc, pdb->n_dma);
append_ptr(desc, pdb->e_dma);
append_cmd(desc, pdb->f_len);
append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY);
}
/* Descriptor for RSA Private operation - Private Key Form #1 */
void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb)
{
init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F1_PDB);
append_cmd(desc, pdb->sgf);
append_ptr(desc, pdb->g_dma);
append_ptr(desc, pdb->f_dma);
append_ptr(desc, pdb->n_dma);
append_ptr(desc, pdb->d_dma);
append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
RSA_PRIV_KEY_FRM_1);
}
/* Descriptor for RSA Private operation - Private Key Form #2 */
void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb)
{
init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F2_PDB);
append_cmd(desc, pdb->sgf);
append_ptr(desc, pdb->g_dma);
append_ptr(desc, pdb->f_dma);
append_ptr(desc, pdb->d_dma);
append_ptr(desc, pdb->p_dma);
append_ptr(desc, pdb->q_dma);
append_ptr(desc, pdb->tmp1_dma);
append_ptr(desc, pdb->tmp2_dma);
append_cmd(desc, pdb->p_q_len);
append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
RSA_PRIV_KEY_FRM_2);
}
/* Descriptor for RSA Private operation - Private Key Form #3 */
void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb)
{
init_job_desc_pdb(desc, 0, SIZEOF_RSA_PRIV_F3_PDB);
append_cmd(desc, pdb->sgf);
append_ptr(desc, pdb->g_dma);
append_ptr(desc, pdb->f_dma);
append_ptr(desc, pdb->c_dma);
append_ptr(desc, pdb->p_dma);
append_ptr(desc, pdb->q_dma);
append_ptr(desc, pdb->dp_dma);
append_ptr(desc, pdb->dq_dma);
append_ptr(desc, pdb->tmp1_dma);
append_ptr(desc, pdb->tmp2_dma);
append_cmd(desc, pdb->p_q_len);
append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
RSA_PRIV_KEY_FRM_3);
}