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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/crypto/caam/pkc_desc.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/crypto/caam/pkc_desc.c')
-rw-r--r-- | drivers/crypto/caam/pkc_desc.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/crypto/caam/pkc_desc.c b/drivers/crypto/caam/pkc_desc.c new file mode 100644 index 000000000..0d5ee762e --- /dev/null +++ b/drivers/crypto/caam/pkc_desc.c @@ -0,0 +1,73 @@ +// 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); +} |