Tudor Ambarus | 8c41977 | 2016-07-04 13:12:08 +0300 | [diff] [blame] | 1 | /* |
| 2 | * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors |
| 3 | * |
| 4 | * Copyright 2016 Freescale Semiconductor, Inc. |
| 5 | * |
| 6 | * There is no Shared Descriptor for PKC so that the Job Descriptor must carry |
| 7 | * all the desired key parameters, input and output pointers. |
| 8 | */ |
| 9 | #include "caampkc.h" |
| 10 | #include "desc_constr.h" |
| 11 | |
| 12 | /* Descriptor for RSA Public operation */ |
| 13 | void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb) |
| 14 | { |
| 15 | init_job_desc_pdb(desc, 0, sizeof(*pdb)); |
| 16 | append_cmd(desc, pdb->sgf); |
| 17 | append_ptr(desc, pdb->f_dma); |
| 18 | append_ptr(desc, pdb->g_dma); |
| 19 | append_ptr(desc, pdb->n_dma); |
| 20 | append_ptr(desc, pdb->e_dma); |
| 21 | append_cmd(desc, pdb->f_len); |
| 22 | append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSAENC_PUBKEY); |
| 23 | } |
| 24 | |
| 25 | /* Descriptor for RSA Private operation - Private Key Form #1 */ |
| 26 | void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb) |
| 27 | { |
| 28 | init_job_desc_pdb(desc, 0, sizeof(*pdb)); |
| 29 | append_cmd(desc, pdb->sgf); |
| 30 | append_ptr(desc, pdb->g_dma); |
| 31 | append_ptr(desc, pdb->f_dma); |
| 32 | append_ptr(desc, pdb->n_dma); |
| 33 | append_ptr(desc, pdb->d_dma); |
| 34 | append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY | |
| 35 | RSA_PRIV_KEY_FRM_1); |
| 36 | } |